Daniels Electronics Ltd. OST-3H035, MT-3, OST-3A128, OSR-3A149, OST-3H141 Instruction Manual

TM

DANIELS

ELECTRONICS LTD.

MT-3 RADIO SYSTEMS

ENHANCED AM/FM

SYNTHESIZER

INSTRUCTION MANUAL

OS(R/T)-3(A/H) 29 - 470 MHz

Covers models:

OST-3H035, OST-3H045, OSR-3H061

OST-3A128, OSR-3A149

OST-3H141, OST-3H162, OSR-3H141, OSR-3H162

OST-3H440, OSR-3H440

Copyright © 2000 Daniels Electronics Ltd. All rights reserved. No part of this publication may be
reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic,
mechanical, photocopying, recording or otherwise, without the prior written consent of Daniels
Electronics Ltd.

DE™ is a registered trademark of Daniels Electronics Ltd. registered in the United States Patent and
Trademark Office.

Issue: 3 Previous Issue: 2
Issue Date: March 2000 Previous Issue Date: March 1998 Daniels Electronics Ltd.
Printing Date: March 2000 Victoria, BC.
Part No.: IM10-OS3AH PRINTED IN CANADA

Reviewed By:

Quality Assurance:
Claudia Boorman _________________

Name Signature Date

NOTE:

The user's authority to operate this equipment could be revoked through any
changes or modifications not expressly approved by Daniels Electronics Ltd.

The design of this equipment is subject to change due to continuous development.
This equipment may incorporate minor changes in detail from the information
contained in this manual.

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ii Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

TABLE OF CONTENTS

Page

1 GENERAL..........................................................................................1-1

1.1 Introduction...................................................................................1-1

1.2 OS(R/T)-3(A/H) Enhanced Synthesizer Family Models ................................1-1

1.3 Performance Specifications.................................................................1-3

1.4 Printed Circuit Board Numbering Convention ...........................................1-4

2 THEORY OF OPERATION......................................................................2-1

2.1 Internal Power and Control (Digital Board)...............................................2-1

2.2 Synthesizer Analog Circuitry (Analog Board)............................................2-1

2.2.1 Common Analog Board Circuitry.......................................................2-1

2.2.2 29 - 71.4 MHz Analog Board Circuitry................................................2-3

2.2.3 118 - 159.4 MHz Multichannel AM Analog Board Circuitry........................2-3

2.2.4 128 - 174 MHz Analog Board Circuitry................................................2-4

2.2.5 406 - 470 MHz Analog Board Circuitry................................................2-5

2.3 Synthesizer Digital Circuitry (Digital Board) .............................................2-6

2.4 Frequency Control...........................................................................2-6

2.4.1 BCD Switch Frequency Control ........................................................2-6

2.4.2 Frequency Select Handle Frequency Control..........................................2-7

2.5 Synthesizer Base and Frequency Increment Table.......................................2-7

2.6 5.0/6.25 kHz Channelization...............................................................2-8

2.7 8.333 kHz Channelization. .................................................................2-8

2.8 12.5 kHz Channelization....................................................................2-9

3 SYNTHESIZER ALIGNMENT.................................................................3-1

3.1 General ........................................................................................3-1

3.2 Repair Note...................................................................................3-1

3.3 Recommended Test Equipment.............................................................3-1

3.4 OS(R/T)-3(A/H) Synthesizer Factory Configuration....................................3-1

3.5 OS(R/T)-3(A/H) Synthesizer Alignment..................................................3-2

3.5.1 General.....................................................................................3-2

3.5.2 Synthesizer Test P oints...................................................................3-2

3.5.3 Synthesizer Removal and Installation...................................................3-3

3.5.4 Circuit Board Removal...................................................................3-3

3.5.5 Frequency Adjustment and Channel Selection.........................................3-3

3.5.5.1 VHF OS(R/T)-3H 29 - 71.4 MHz VCO Alignment ...............................3-4

3.5.5.2 VHF OS( R/T)-3A 118 - 159.4 MHz Alignment ...................................3-5

3.5.5.3 VHF OS(R/T)-3H 128 - 174 MHz VCO Alignment...............................3-5

3.5.5.4 UHF OS(R/T)-3H 406 - 470 MHz VCO Alignment...............................3-6

3.5.5.5 Reference Frequency Alignment .....................................................3-6

3.5.6 Jumper Configuration ....................................................................3-6

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4 ILLUSTRATIONS AND SCHEMATIC DIAGRAMS.......................................4-1

4.1 OS(R/T)-3H 29 - 71.4 MHz Analog Board Diagrams.................................. 4-1

4.1.1 OS(R/T)-3H 29 - 71.4 MHz Analog Board Component Layout (Bottom)........ 4-1

4.1.2 OS(R/T)-3H 29 - 71.4 MHz Analog Board Component Layout (Top)............ 4-2

4.1.3 OS(R/T)-3H 29 - 71.4 MHz Analog Board Schematic Diagram....................4-3

4.2 OS(R/T)-3A 118 – 159.4 MHz Analog Board Diagrams...............................4-5

4.2.1 OS(R/T)-3A 118 – 159.4 MHz Analog Board Compone nt Layout (Bottom).....4-5

4.2.2 OS(R/T)-3A 118 – 159.4 MHz Analog Board Component Layout (Top).........4-6

4.2.3 OS(R/T)-3A 118 – 159.4 MHz Analog Board Schematic Diagram ................ 4-7

4.3 OS(R/T)-3H 128 - 174 MHz Analog Board Diagrams..................................4-9

4.3.1 OS(R/T)-3H 128 - 174 MHz Analog Board Component Layout (Bottom)........4-9

4.3.2 OS(R/T)-3H 128 - 174 MHz Analog Board Component Layout (Top)...........4-10

4.3.3 OS(R/T)-3H 128 - 174 MHz Analog Board Schematic Diagram..................4-11

4.4 OS(R/T)-3H 406 - 470 MHz Analog Board Diagrams.................................4-13

4.4.1 OS(R/T)-3H 406 - 470 MHz Analog Board Component Layout (Bottom).......4-13

4.4.2 OS(R/T)-3H 406 - 470 MHz Analog Board Component Layout (Top)...........4-14

4.4.3 OS(R/T)-3H 406 - 470 MHz Analog Board Schematic Diagram..................4-15

4.5 OS(R/T)-3(A/H) Digital Board Diagrams................................................4-17

4.5.1 OS(R/T)-3(A/H) Digital Board Component Layout (Bottom)......................4-17

4.5.2 OS(R/T)-3(A/H) Digital Board Component Layout (Top)..........................4-18

4.5.3 OS(R/T)-3(A/H) Digital Board Schematic Diagram .................................4-19

5 PARTS LISTS..................................................................................... 5-1

5.1 OS(R/T)-3H 29 - 71.4 MHz Analog Board Electrical Parts List.......................5-1

5.2 OS(R/T)-3(A/H) 118 – 159.4 MHz Analog Board Electrical Parts List .............. 5-5

5.3 OS(R/T)-3H 128 - 174 MHz Analog Board Electrical Parts List...................... 5-8

5.4 OS(R/T)-3H 406 - 470 MHz Analog Board Electrical Parts List.....................5-11

5.5 OS(R/T)-3(A/H) Digital Board Electrical Parts List ....................................5-14

5.6 OS(R/T)-3(A/H) Synthesizer Mechanical Parts List....................................5-15

6 REVISION HISTORY............................................................................6-1

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1 GENERAL

1.1 Introduction

The OS-3A/H Synthesizer Module produces a low distortion, high stability, FM modulated (FM
transmitter) or unmodulated (receiver LO, AM transmitter) RF signal covering the frequency bands
of 29 - 50 MHz, 118 - 159.4 MHz, 118 - 174 MHz and 406 - 470 MHz. It achieves ±1 ppm
frequency stability from -40°C to +60°C with its own internal reference, or it can be slaved to an
external 10/9.6 MHz reference signal of desired stability. The OS-3H Synthesizer Module is
provided in eleven models covering three primary frequency bands (see section 1.2). A synthesizer
module can be easily removed for programming, calibration, or repair. Each synthesizer module
contains two circuit boards providing digital and analog functionality. The analog RF circuitry i s
fully isolated in a shielded compartment. Three inter-board filtered wire connections provide signal
and power interface. Digital signal and power control is provided through five photo-logic optical
transceivers, further enhancing electrical noise isolation.

1.2 OS(R/T)-3(A/H) Enhanced Synthesizer Family Models

The OS-3A/H Synthesizer module family forms an integral component of the MT-3 receiver and
transmitter product line. In transmitters, the OS-3A/H synthesizer provides a modulated low level
RF signal to the Power Amplifier module. In receivers, the OS-3A/H synthesizer provides a low
noise local oscillator signal that either directly drives the mixer circuitry or drives a buffer amplifier
in order to achieve higher LO mixer drive required for enhanced intermodulation capability. There
are eleven distinct models in the OS-3H Enhanced Synthesizer Family. Note that this manual
provides service and operating information for all eleven synthesizer family members. It is
important to establish the correct synthesizer model number of interest in order to direct attention to
specific documented information. The specific model number is printed on the synthesizer module
top cover.

The eleven models are described as follows:

Frequency Band: 29 - 50 MHz, Common OS-3H0xx Analog

• OST-3H035 - synthesized, installed in transmitter, 29 - 38 MHz RF output.

• OST-3H045 - synthesized, installed in transmitter, 38 - 50 MHz RF output.

• OSR-3H061 - synthesized, installed in receiver, 50.4 - 71.4 MHz RF output.

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Board

Frequency Band: 118 - 159.4 MHz, AM Multichannel OS-3H1xx Analog

• OST-3A128 - synthesized, installed in AM transmitter, 118 - 138 MHz RF output.

• OSR-3A149 - synthesized, installed in AM receiver, 139.4 - 159.4 MHz RF output.

Board

Frequency Band: 118 - 174 MHz, Common OS-3H1xx Analog

Board

• OST-3H141 - synthesized, installed in FM transmitter, 128 – 152.6 MHz RF output.

• OST-3H162 - synthesized, installed in FM transmitter, 150 - 174 MHz RF output.

• OSR-3H141 - synthesized, installed in FM receiver, 128 – 152.6 MHz RF output.

• OSR-3H162 - synthesized, installed in FM receiver, 150 - 174 MHz RF output.

Frequency Band: 406 - 470 MHz, Common OS-3H4xx Analog

Board

• OST-3H440 - synthesized, installed in FM transmitter, 406 - 470 MHz RF output.

• OSR-3H440 - synthesized, installed in FM receiver, 427.4 - 451.4 MHz RF output.

The OS-3A/H Enhanced Synthesizer models are very similar; all models use the same dig i ta l board
and mechanical construction. The significant differences between the models relate to the analog
board. There are four different analog boards covering the four frequency bands of 29 - 50 MHz,
118 - 159.4 MHz, 128 - 174 MHz and 406 - 470 MHz respectively. Each model’s specific sub
band of operation in a given frequency band is determined by select components on the
corresponding analog board.

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1.3 Performance Specifications

Type: NBFM Single loop synthesizer module. Utilizing low noise

VCO and PLL technology. Compatible with Daniels MT-3
series transmitter and receiver modules.

Frequency Range: 29 MHz - 38 MHz [± 0.5 MHz] (OST-3H035)
Tuning range with no adjustment 38 MHz - 50 MHz [± 1.0 MHz] (OST-3H045)
shown in [ ] brackets. 50.4 MHz - 71.4 MHz [± 1.0 MHz] (OSR-3H061)

118 MHz -138 MHz [Full band] (OST-3A128)
128 MHz – 152.6 MHz [± 2.0 MHz] (OST-3H141, OSR-3H141)

139.4 MHz - 159.4 MHz [Full band] (OSR-3A149)
150 MHz - 174 MHz [± 2.0 MHz] (OST-3H162, OSR-3H162)
406 MHz - 470 MHz [Full band] (OST-3H440)

427.4 MHz - 451.4 MHz [Full band] (OSR-3H440)

Output Power: +5 dBm ±2 dBm into 50Ω

Harmonics: <-30 dBc

Spurious: <-90 dBc

<-70 dBc above 400 MHz

Attack Time: <50 ms (Power down mode)

Hum and Noise: -55 dB

Modulation Sensitivity: 3.0 kHz peak deviation / 400 mVrms input

External Reference Input: External reference input signal via SMB connector J1

Input level 0 dBm ± 3 dB.
Input impedance 50Ω
Input frequency 10.0 MHz or 9.6 MHz selected through
digital board jumper JU1.

Power Requirements: +9.5 Vdc @ 160 mA for FM and 65 mA for AM

Standby mode, TCXO enabled:
+9.5 Vdc @ 14 mA for FM and 4 mA for AM

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1.4 Printed Circuit Board Numbering Convention

To ease troubleshooting and maintenance procedures, Daniels Electronics Limited has adopted a
printed circuit board (PCB) numbering convention in which the last two digits of the circuit board
number represent the circuit board version. For example:

• PCB number 43-9120 10 indicates circuit board version 1.0;

• PCB number 50002- 02 indicates circuit board version 2.0.

All PCB's manufactured by Daniels Electronics are identified by one of the above conventions.

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1-4 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

2 THEORY OF OPERATION

2.1 Internal Power and Control (Digital Board)

Refer to "OS(R/T)-3(A/H) Digital Board Schematic Diagram" in section 4 page 19. The
synthesizer operates from +9.5 Vdc applied to connector pin P1-2. Total current drain is
approximately 160 mA (65 ma for AM). Power Down control (P2-4) controls the +5.0 Vdc
microcontroller regulator U2 through power MOSFET switch U1. For receiver applications, the
synthesizer is always operating with the enable line P2-4 permanently connected to +9.5 Vdc. In
transmitter applications, pin P2-4 is controlled by MT-3 Transmitter Board jumper J18 which
selects the synthesizer's standby mode. In low current standby mode (< 16/4 mA) approximately
50 ms of transmitter turn on delay from PTT activation must be tolerated (lock time of
synthesizer). For transmitter applications requiring less than 10 ms of turn on delay, the
synthesizer can be made to run continuously. This capability comes at the expense of an additional
160 (65 mA for AM) of transmitter standby current.

2.2 Synthesizer Analog Circuitry (Analog Board)

There are four separate analog circuit boards covering the four frequencies bands of 29 - 50 MHz,
118 - 159.4 MHz, 128 - 174 MHz and 406 - 470 MHz respectively. All four analog boards are
similar in operation and circuit topology with the VCO, Loop Filter, and Output Lowpass Filter
sections being band specific. Refer to "OS(R/T)-3(A/H) Analog Board Schematic Diagram” in
section of this manual.

2.2.1 Common Analog Board Circuitry

This section describes the circuitry common to all versions of the FM Synthesizer Analog Board.

The Analog Board utilizes four optical receivers (U1 - U4), and one optical transmitter (U5) to
provide an isolated data interface to the digital board. In normal operating modes, +9.5 Vdc
Regulator IC U8 provides continuous +5.0 Vdc to the internal TCXO and power control optical
receiver U1. This results in a standby current level of ≈ 10 mA for FM and 4 mA for AM. Primary
power is controlled through activation of optical receiver U1 under control of the digital board
micro controller U4. Regulator U6 provides switched +8.0 Vdc with regulator U7 providing
switched +5.0 Vdc to all analog supply points. Power MOSFET IC U9 works as a clamping
circuit to quickly discharge VCO filter capacitors C32 and C33 when powered down, resulting in
immediate suppression of RF output from the VCO.

The OS-3H enhanced synthesizer is formed around a low power, single chip MC145190
(MC145191) synthesizer IC U10. A 9.6 MHz reference signal is provided from either the internal
TCXO (JU1-B Analog Board), or an external source via SMB connector J1 with jumper JU1-A

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(Analog Board) and jumper JU2 (AM Analog Board only) installed. The external reference source
may be 9.6 MHz or 10.0 MHz through selection of jumper JU2 (Digital Board); install jumper
JU2 (Digital Board) for 10.0 MHz reference selection. If an external signal is used for the
reference source, it must be of low phase noise, high stability, with a level of 0 dBm ± 3 dB. A
sinusoidal signal shape is required for an external reference source. A poor quality reference
source will degrade receiver/transmitter performance to unacceptable levels. Transistor Q2 forms a
buffer amplifier having 50Ω input impedance at 10.0 MHz. The internal 9.6 MHz TCXO provides
better than 1 ppm frequency stability from -30°C to +60°C. Fine frequency adjustment is made
through frequency control potentiometer RV1, which is accessible through the synthesizer top
cover.

The 9.6 MHz reference source is divided down to establish a channel selection step size of

5.0/6.25, 12.5, or 25.0 kHz depending on the particular synthesizer model type. A third order
passive loop filter comprised of C37, C38, C39, C45, C49, R36 and R32, is employed to achieve
the required noise performance, modulation, and worst case switching time of 50 ms. A small
sample of RF energy is coupled from the VCO output buffer U16 on the FM analog board or from
Q6 on the AM analog board to the synthesizer IC U10 prescaler input (pin 11). FM modulation of
the VCO from ≈ 100 Hz to 3 kHz, is provided through the baseband input pin P1-1 on Digital
Board. A 1 kHz sine wave with a level of approximately 400 mVrms at P1-1 provides FM
deviation of 3.0 kHz. SMB connector J2 provides an RF output level of approximately +5 dBm
into a 50Ω load.

An optional modulation input is provided through connection P1-18 (Digital Board) and routed to
the Analog board via connection P3. This connection must be coupled to a low impedance, dc
coupled source and provides a phase modulated bandwidth from 0 (DC) to ≈ 50 Hz (PLL loop
filter bandwidth) allowing for specialized applications such as paging or trunking where a separate
low frequency digital/analog modulation channel is required. Phase modulation input pin P1-18 is
routed to the transmitter audio processor spare pin P4-2 via JA4-2 on the MT-3 transmitter main
board. It should be noted that any application of the direct TCXO modulation port transfers the
control of the synthesizer steady state frequency setting to the external modulating source.
Frequency control potentiometer RV1 is effectively removed from the frequency adjust circuitry.

A lock detect LED (LED1) indicates an unlocked PLL condition. An unlocked PLL condition
normally indicates that the VCO is not tuned within the lock in range of the desired channel
frequency. When used in a transmitter, the loss of lock will prevent PTT from keying the power
amplifier module. This prevents transmission of a spurious, unlocked output signal. Adjustment of
tuning capacitor C24 will normally reestablish frequency lock within the synthesizer design
frequency range. Optical transmitter U5 is additionally activated in unlocked conditions and
enables the micro-controller (digital board) to respond to the unlocked PLL state. Note that the
118 – 159.4 MHz and the 406 - 470 MHz Analog Board does not incorporate a VCO tuning
capacitor; the VCO covers the full frequency range without tuning. An unlocked condition in this
case would indicate an attempt to synthesize an invalid channel frequency outside the installed
VCO frequency range.

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2.2.2 29 - 71.4 MHz Analog Board Circuitry

Refer to the "OS(R/T)-3H 2 9 - 71.4 MHz Analog Board Schematic Diagram" located in section 4
page 3 of this manual.

Field effect transistor Q5 provides a VHF negative resistance amplifier/oscillator that is tuned on
frequency by the combination of resonator L5 and a total capacitive reactance presented across L5
through capacitors C62, C63, C64, C23 (Select), variable capacitor C24, and varactor diodes D1
and D2. Fine frequency adjustment is provided by multi-turn trimmer capacitor C24 in conjunction
with coarse frequency jumper selections JU2, JU3, and JU4. Select capacitor values are chosen to
position the operating frequency in one of three bands; 29 - 38 MHz, 38 - 50 MHz, and 50.4 -

71.4 MHz. Varactor diodes D1 and D2 provide oscillator frequency control. PLL voltage feedback
control from the output of the lowpass loop filter controls the VCO frequency through the reverse
biasing of varactor diodes D1 and D2. The PLL control voltage can range from ≈ +1.0 Vdc to
+7.0 Vdc and is normally set to ≈ +4.5 Vdc for the nominal programmed synthesizer center
frequency. Setting the PLL control voltage set point (TP4) is made by adjusting fine frequency
variable capacitor C24 combined with binary weighted lumped capacitor coarse frequency jumpers
(JU2, JU3, JU4). External baseband frequency modulation is provided through connection P1
and a voltage divider network formed by R21 and R22. A large signal division ratio, established
by the resistive dividers R21 and R22, allows low deviation (less than 5 kHz) direct frequency
modulation of the VCO output signal.

The PLL lowpass filter is formed from select component values C37, C38, C39, C45, R32, and
R36. The loop filter response is optimized for switching time, noise, and modulation requirements
specific to each sub-band within the 29 - 71.4 MHz frequency range. The select component values
(including the loop filter) can be found in tabular format as part of the VHF OS-3H 29 - 71.4 MHz
Analog Board Schematic diagram.

RF output power is taken from the source of Q5 and amplified/buffered by U11. U15 provides
further amplification and isolation while delivering ≈ +10 dBm to a six pole lowpass/notch output
filter formed from C53, C57, C58, C59, L11, and L13. The six pole output filter provides a 50
MHz (OST-3H035, OST-3H045 TX) or 80 MHz (OSR-3H061 RX) cutoff frequency which
reduces harmonic output to acceptable levels. SMB connector J2 provides interconnection to the
companion transmitter or receiver with an output level of ≈ +5 dBm.

2.2.3 118 - 159.4 MHz Multichannel AM Analog Board Circuitry

Refer to the "OS(R/T)-3H 118 - 159.4 MHz Analog Board Schematic Diagram" located in section
4 page 7 of this manual.

Field effect transistor Q5 provides a VHF negative resistance amplifier/oscillator that is tuned on
frequency by the combination of tapped resonator L5 and a total capacitive reactance presented
across L5 through capacitors C40 and/or C23 (Select), varactor diodes D6, D7, and varactor

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diodes D1 and D2. Coarse frequency adjustment is provided by varactor diodes D6, D7. Select
capacitor values C40 or C23 are chosen to position the operating frequency in one of two bands;
118 - 138 MHz, and 139.4 - 159.4.MHz. Varactor diodes D1 and D2 provide fine oscillator
frequency control. PLL voltage feedback control from the output of the lowpass loop filter controls
the VCO frequency through the reverse biasing of diodes D1 and D2. The PLL control voltage can
range from ≈ +1.0 Vdc t o +4.7 Vdc and is normally set to ≈ +3.3 Vdc for the whole range of
synthesizer frequencies. Setting the PLL control voltage set point (TP4) is made by adjusting the
capacitance of varactor diodes D6, D7, which are controlled by a microcontroller U18 through a
digital to analog converter U17. The microcontroller U18 controls the test point TP4, the outpu t of
the PLL Low Pass Filter, and adjusts the output voltage of D/A converter so that the TP4 voltage is
approximately is 3.3Vdc at any frequencies. The microcontroller than goes sleep in order to keep
the power consumption at the low level.

The PLL lowpass filter is formed from select component values C37, C38, C39, C45, R32, and
R36. The loop filter response is optimized for switching time, noise, and modulation requirements
specific to each sub-band within the 118 - 159.4 MHz frequency range. The select component
values (including the loop filter) can be found in tabular format as part of the VHF OS(R/T)­3(A/H) 118 - 159.4 MHz Analog Board Schematic diagram.

RF output power is taken from the source of Q5 and amplified/buffered by Q6. U11 provides
further amplification and isolation while delivering ≈ +10 dBm to a five pole lowpass output filter
formed from C53, C58, C59, L11, and L12. The five pole lowpass output filter provides a 190
MHz low pass cutoff frequency which reduces harmonic output to acceptable levels. SMB
connector J2 provides interconnection to the companion transmitter or receiver with an output level
of ≈ +5 dBm.

2.2.4 128 - 174 MHz Analog Board Circuitry

Refer to the "OS(R/T)-3(A/H) 128 - 174 MHz Analog Board Schematic Diagram" located in
section 4 page 11 of this manual.

Field effect transistor Q5 provides a VHF negative resistance amplifier/oscillator that is tuned on
frequency by the combination of tapped resonator L5 and a total capacitive reactance presented
across L5 through capacitors C40 and/or C23 (Select), variable capacitor C24, and varactor diodes
D1 and D2. Fine frequency adjustment is provided by multi-turn trimmer capacitor C24. Select
capacitor values C40 or C23 are chosen to position the operating frequency in one of two bands;
128 – 152.6 MHz and 150 - 174 MHz. Varactor diodes D1 and D2 provide oscillator frequency
control. PLL voltage feedback control from the output of the lowpass loop filter controls the VCO
frequency through the reverse biasing of diodes D1 and D2. The PLL control voltage can range
from ≈ +1.0 Vdc to +7.0 Vdc and is normally set to ≈ +4.5 Vdc for the nominal programmed
synthesizer center frequency. Setting the PLL control voltage set point (TP4) is made by adjusting
fine frequency variable capacitor C24. External baseband frequency modulation is provided
through connection P1 and a voltage divider network formed by R21 and R22. A large signal

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division ratio, established by the resistive dividers R21 and R22, allows low deviation (less than 5
kHz) direct frequency modulation of the VCO output signal.

The PLL lowpass filter is formed from select component values C37, C38, C39, C45, R32, and
R36. The loop filter response is optimized for switching time, noise, and modulation requirements
specific to each sub-band within the 128 - 174 MHz frequency range. The select component
values (including the loop filter) can be found in tabular format as part of the VHF OS(R/T)­3(A/H) 128 - 174 MHz Analog Board Schematic diagram.

RF output power is taken from the source of Q5 and amplified/buffered by U11. U15 provides
further amplification and isolation while delivering ≈ +10 dBm to a five pole lowpass output filter
formed from C53, C58, C59, L11, and L12. The five pole lowpass output filter provides
a 190 MHz low pass cutoff frequency which reduces harmonic output to acceptable levels. SMB
connector J2 provides interconnection to the companion transmitter or receiver with an output level
of ≈ +5 dBm.

2.2.5 406 - 470 MHz Analog Board Circuitry

Refer to the "OS(R/T)-3H 406 - 470 MHz Analog Board Schematic Diagram" located in section 4
page 15 of this manual.

The UHF OS(R/T)-3H 406 - 470 MHz synthesizer employs integrated surface mount VCO
modules (designated U17) for full frequency band coverage. Two VCO modules are used to cover
406 - 470 MHz (TX) and 427.4 - 451.4 MHz (RX) for transmitter and receiver UHF applications
respectively. The receiver VCO module is optimized for low phase noise, while the transmitter
VCO is configured with modulation input capability. PLL voltage feedback control from the output
of the lowpass loop filter controls the VCO frequency through Mod I/P (pin 2). The PLL control
voltage can range from ≈ +1.0 Vdc to +7.0 Vdc depending on the selected operating frequency.
External baseband frequency modulation is provided through connection P1 and VCO Mod input
pin 6.

The PLL lowpass filter is formed from select component values C37, C38, C39, C45, R32, and
R36. The loop filter response is optimized for switching time, noise, and modulation requirements
specific to each sub-band within the 406 - 470 MHz frequency range. The select component values
(including the loop filter and VCO type) can be found in tabular format as part of the UHF
OS(R/T)-3H 406 - 470 MHz Analog Board Schematic diagram.

RF output power is taken from the VCO RF output and amplified/buffered by U11. U15 provides
further amplification and isolation while delivering ≈ +10 dBm to a five pole lowpass output filter
formed from C53, C58, C59, L11, and L12. The five pole lowpass output filter provides
a 530 MHz low pass cutoff frequency which reduces harmonic output to acceptable levels. SMB
connector J2 provides interconnection to the companion transmitter or receiver with an output level
of ≈ +5 dBm.

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2.3 Synthesizer Digital Circuitry (Digital Board)

Refer to the "OS(R/T)-3(A/H) Digital Board Schematic Diagram" on page 4-19. Microcontroller
U4 provides control of the synthesizer module. It communicates with synthesizer IC U10,
monitors the synthesizer lock detect, manages PTT input/output, and determines the operating
frequency from either four rotary BCD switches or four externally driven channel select lines. The
rotary BCD channel switches are located on the main MT-3 Transmitter or Receiver circuit board.
The Microcontroller U4 also communicates with an external factory programmer through I/O l ines
TX DATA (P1-17), RX DATA (P1-9), and BOOTSTRAP (P2-2). The external programmer
places the operating program in non volatile microprocessor memory. It is also used to program 15
user defined c ha n ne l s e le ct i on s. A n i nt e rn al "watchdog" timer provides robust software protection
in all operating modes.

Data communication between the digital and analog circuit boards is provided by four optical
transmitters (U5 through U8) and one optical receiver (U9). The optical interface provides a fully
isolated inter-board data link designed to eliminate digital noise from disturbing sensitive PLL
circuitry.

2.4 Frequency Control

2.4.1 BCD Switch Frequency Control

Selection of the desired synthesizer output frequency is straight forward. If all four of the channel
select lines CHAN SEL3 - CHAN SEL0 are pulled low (grounded), the synthesizer will scan four
BCD switches connected to SW1 COM - SW4 COM and PC4 - PC7 to establish the operating
frequency. The BCD switches are located on the receiver and transmitter main circuit boards.

* Note: The four channel select lines , CHAN SEL3 - Chan SEL0, are connected via the MT-3
transmitter or receiver main board module connector to the M3 motherboard subrack. These lines
may be used for external frequency control. They are normally pulled low via jumper sets located
on the M3 motherboard subrack.

If the channel select lines are pulled high to +9.5 Vdc in any combination resulting in a binary code
greater than 0000 (all low), then the frequency is established as the preprogrammed entry in a table
containing 15 separate frequency settings. For example; if all the channel select lines are pulled
high then a binary code of 1111 results which selects the frequency entry from the 15th table
position. CHAN SEL3 is the most significant bit of the binary channel selection code. The channel
table is normally programmed at the factory for those applications requiring specialized remote
control of frequency. These programmed channel assignments are stored in non-volatile
microprocessor EEPROM and are not susceptible to inadvertent erasure.

In transmitters, the synthesizer operating frequency is the transmitter operating frequency;
however, for receivers, an IF Offset correction factor (21.4 MHz typically) must be added to or

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subtracted from the synthesizer operating frequency in order to determine the actual receive
frequency. Refer to the channel designation table documentation provided with the transmitter or
receiver modules for simplified channel number and frequency information.

2.4.2 Frequency Select Handle Frequency Control

For operation in this mode the external channel select must be set to channel #16. Channel
selection is achieved by pushing the buttons Frequency Increase Ø and Frequency Decrease Œ on
the Frequency Select Handle. The Frequency Select Handle is located on the Front Panel. The user
interface consists of an 8 digit display and 3 pushbuttons. On power up or key press, the
synthesizer is interrogated for the current channel number and channel frequencies. This
information is used to generate the display, and update the synthesizer itself. The module
communicates with the synthesizer using a standard 2 wire serial interface (9600 Baud, 8 bits, no
parity, 1 stop bit). The command protocols are simple ASCII, both to and from the synthesizer.

The frequency value and the channel are displayed on the Front Panel for several seconds only, in
order to conserve power. Another dedicated line allows the handle to temporarily wake up the
synthesizer if it has been powered down. (This is currently only used on the transmitters)

For the detailed information about changing frequency see the "Frequency Select Handle
Instruction Manual".

2.5 Synthesizer Base and Frequency Increment Table

The OS-3A/H Synthesizer operates in frequency increments of 5.0 / 6.25 kHz, 12.5 kHz, or 25
kHz depending on the particular model and band of operation. The Base Frequency is the lowest
frequency of any given synthesizer model.

Model Number

Freq. Range

Base Frequency

Freq. Increment

OST-3H035 29 - 38 MHz 29 MH z 5.0/6.25 kHz
OST-3H045 38 - 50 MHz 29 MH z 5.0/6.25 kHz
OSR-3H061 50.4 - 71.4 MHz 50.4 MHz 5.0/6.25 kHz
OST-3A128 118 - 138 MHz 118 MHz 25/8.333 kHz
OST-3H141 128 – 152.6 MHz 128 MHz 5.0/6.25 kHz
OST-3H162 150 - 174 MHz 150 MHz 5.0/6.25 kHz
OSR-3H141 128 - 153 MHz 128 MHz 5.0/6.25 kHz
OSR-3A149 139.4 - 159.4 MHz 139.4 MHz 25/8.333 kHz
OSR-3H162 150 - 174 MHz 150 MHz 5.0/6.25 kHz
OST-3H440 406 - 470 MHz 406 MHz 12.5 kHz
OSR-3H440 427.4 - 451.4 MHz 427.4 MHz 12.5 kHz

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2.6 5.0/6.25 kHz Channelization.

The operating frequency is determined as follows for Synthesizers having 5. 0/6.25 kHz channel
increment capability;

• for BCD switch settings (in the range of 0000
setting by 5.0 kHz and add it to the synthesizer base frequency.

to 4999 , multiply the switch

Example: An OST-3H141 synthesizer has a base frequency of 128 MHz. The
selected channel number is 0988. The synthesizer output frequency is:

((988 x 5 kHz) + 128 MHz) = 132.940 MHz

• for BCD switch settings in the range of 5000 to 9999 , subtract 5000 from the
switch setting, multiplying the result by 6.25 kHz and add it to the synthesizer
base frequency.

Example: An OSR-3H162 synthesizer has a base frequency of 150 MHz. The
selected channel number is 7205. The synthesizer output frequency is:

((7205-5000) x 6.25 kHz) + 150 MHz) = 163.78125 MHz

The key point to remember is that 5.0 kHz channel increments are selected with BCD
channel switch settings in the range of #0000 through #4999 and 6.25 kHz channel
increments are selected with BCD switch settings in the range of #5000 through #9999.

2.7 8.333 kHz Channelization.

The operating frequency is determined as follows for Synthesizers having 8.333 kHz channel
increment capability;

• Multiply the BCD switch setting by 8.333 kHz and add it to the synthesizer
base frequency.

Example: An OST-3A128 synthesizer has a base frequency of 118 MHz. The
selected channel number is 0231. The synthesizer output frequency is:

[(1200 x 8.333 kHz) + 118 MHz] = 128.000 MHz

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2.8 12.5 kHz Channelization.

The operating frequency is determined as follows for Synthesizers having 12.5 kHz channel
increment capability;

• Multiply the BCD switch setting by 12.5 kHz and add it to the synthesizer base

frequency.

Example: An OST-3H440 synthesizer has a base frequency of 406 MHz. The
selected channel number is 1978. The synthesizer output frequency is:

((1978 x 12.5 kHz) + 406 MHz) = 430.725 MHz

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3 SYNTHESIZER ALIGNMENT

3.1 General

OS(R/T)-3(A/H) enhanced synthesizer alignment is simplified by using a Type 84 subrack and RF
extender card/cable to provide receiver or transmitter power and signal interconnection.
Alternatively, +9.5 Vdc may be applied directly to a receiver or transmitter module through
positive connection to pins B6 / Z6, and negative connection to pins B30 / Z30 / B32 / Z32.
Receiver balanced audio (600 Ω) is available at pins B26 and Z26.

3.2 Repair Note

The OS(R/T)-3(A/H) synthesizer employs a high percentage of surface mount components which
should not be removed or replaced using an ordinary soldering iron. Removal and replacement of
surface mount components should be performed only with specifically designed surface mount
rework and repair stations complete with Electro Static Dissipative (ESD) protection.

When removing Surface Mount Solder Jumpers, it is recommended to use solder wick braid in
place of vacuum type desoldering tools. This will help prevent damage to the circuit boards.

3.3 Recommended Test Equipment

Alignment of the synthesizer requires the following test equipment or its equivalent.

Power supply - Regulated +9.5 Vdc at 2 A. Phillips PM 2811
Oscilloscope / Multimeter - Fluke 97 Scopemeter
Radio communications test set - Marconi Instruments 2965A

It is recommended that the radio communications test set be frequency locked to an external
reference (WWVH, GPS, Loran C) so that the internal high stability local oscillator may be
accurately set to within its ±1 ppm frequency tolerance.

3.4 OS(R/T)-3(A/H) Synthesizer Factory Configuration

The OS(R/T)-3(A/H) Synthesizer is factory configured as follows:

• Internal 9.6 MHz reference selected.

• VCO modulation by audio processor enabled (OS T TX versions only)

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The corresponding internal synthesizer jumper settings are:

Digital Board

• Jumper JU2 not installed 9.6/10 MHz reference frequency, 9.6 MHz selected

• Jumper JU1 installed AM Multichannel mode selected

Analog Board

• Jumper JU1: 'B' position Internal/External reference. Internal selected

• Jumper JU2 not installed Internal/External reference. Internal selected

3.5 OS(R/T)-3(A/H) Synthesizer Alignment

3.5.1 General

Under normal circumstances, synthesizer alignment is accomplished without removing the
synthesizer from the MT-3 Receiver IF/Audio Board or the MT-3 Transmitter Main Board.
Alignment simply involves setting the internal TCXO reference frequency (if one is installed and
the internal reference option enabled). This step is described in "Reference Frequency Alignment"
of section 3.5.5.5. A change in synthesizer operating frequency greater than the maximum tuning
range for a particular model (Refer to Specifications section 1.3) from an initial factory setting
requires a slightly more involved alignment procedure as described in sections 3.5.2 to 3.5.5. To
convert a synthesizer with an internal reference source to a synthesizer requiring an external
reference signal or vice-versa is done through the appropriate selection of jumper JU1 A or B, and
JU2 (Refer to section 3.5.6).

3.5.2 Synthesizer Test Points

Analog Board Component

Layout

(Top)

Common to all synthesizer family members.

TP1 +8.0 ± 0.3 Vdc. U6 positive regulator output.
TP2 +5.0 ± 0.1 Vdc. U7 positive regulator output.
TP3 +5.0 ± 0.1 Vdc. U8 positive regulator output (always on).
TP4 PLL error voltage. Ranges from +1.0 to +7.0 Vdc depending on frequency.

Nominally adjusted (C24) to +4.5 Vdc for tuned center channel. UHF/VHF
versions employing integrated VCO modules (OSR-3H440, OST-3H440, OSR­3A149, OST-3A128) require no adjustment.

Digital Board Component

Layout

(Bottom)

TP1 +5.0 ± 0.1 Vdc. U2 positive regulator output (controlled via pin P2-4).
TP2 Microcontroller E clock. 2 MHz logic level square wave.

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3.5.3 Synthesizer Removal and Installation

The synthesizer module is fastened to the main board (MT-3 Receiver IF/Audio Board or MT-3
Transmitter Main board) with a single counter sunk Phillips machine screw accessible from the top
cover. Remove this screw to remove the synthesizer module. Using a plastic coated lifting tool,
such as a small screwdriver with the tip covered in heat shrink material, gently lift the synthesizer
module from the main circuit board by applying pressure in a rotating fashion about four corners
of the synthesizer module. It is important to gently remove the synthesizer module "straight out" in
order to prevent damage to the connector pins. Installation of the synthesizer is performed in a
fashion reverse to the above procedure. It is important to emphasize the importance of connector
pin alignment prior to any application of reinsertion force. Four corner locating pins assist in
connector pin alignment during installation and removal.

Note: Complete synthesizer alignment can be made without removing the synthesizer. The
alignment procedure starting in section 3.5.5 may now be performed.

3.5.4 Circuit Board Removal

Note: Circuit board removal is not required for tuning purposes.
Using a vacuum desoldering station, desolder connections P1, P2, and P3. Remove SMB
connectors J1 and J2 by desoldering the center pins and removing four M2.0 machine screws.
These connection points are shown in the "OS(R/T)-3(A/H) XXX - XXX MHz Analog Board
Component Layout (Top)" diagrams. Remove seven M2.0 machine screws and carefully remove
the analog circuit board. Removal of the analog circuit board will expose three interboard wire
connections. Carefully remove three ferrite beads and six Teflon washers from the inter-board
connection wires. Attempt to maintain the position of the three interboard wires in order to simplify
re-assembly. The digital board may now be extracted by removing four M2.0 machine screws.
Follow a reverse procedure to re-assemble.

3.5.5 Frequency Adjustment and Channel Selection

Connect a radio communications test set through a short section of low loss 50 Ω coaxial cable to
the synthesizer module SMB RF output jack (J2). Select the desired channel number through the
BCD frequency selection switches on the MT-3 Transmitter Main board or the MT-3 Receiver
IF/audio board (or through .the Frequency Programming Module). Turn the power off and on and
wait a few minutes for the oscillator to completely stabilize. It should be noted that the internal
synthesizer TCXO, if installed, operates continuously (regardless of the TX PTT state) when
installed in a transmitter. This continuous operation results in approximately 10 mA of additional
standby current.

The measured RF output signal should be within ± 1.0 ppm of the specified osc i llator frequency at
an output level of +5 dBm. Note that unlocked synthesizer operation will be indicated by an

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unstable or spurious RF output signal. The "Unlocked" red LED will also be illuminated when the
PLL is unlocked. Check that the requested channel number is within the frequency range of the
particular synthesizer model. An unlocked condition may be rectified by adjusting the VCO tuning
elements as described in the following procedures (no adjustment requires for the multichannel AM
Synthesizers). Note that there are variations in alignment procedures between the three synthesizer
family members as described in the following sections.

3.5.5.1 VHF OS(R/T)-3H 29 - 71.4 MHz VCO Alignment

Refer to the "OS(R/T)-3H 29 - 71.4 MHz Analog Board Component Layout" diagrams and the
"OS(R/T)-3H 29 - 71.4 MHz Analog Board Schematic Diagram" located in section 4 on pages 1, 2
and 3.

Using a high impedance (10 MΩ) DC Voltmeter, measure the PLL control voltage at TP4 located
on the synthesizer module analog board (top). Access to TP4 is available through the synthesizer
top cover. Using a small standard blade screwdriver, carefully adjust the VCO fine frequency
"TUNE" trimmer capacitor C24 until a test point (TP4) voltage of approximately +2.3 Vdc is
obtained. Measured PLL loop control voltages below approximately +0.5 Vdc and above
approximately +4.5 Vdc indicates an "out of lock" synthesizer condition.

If a test point (TP4) voltage of approximately +2.3 Vdc is unattainable through adjustment to C24,
then the coarse frequency jumpers, JU2-JU4 require modification in order to pull the VCO tune
range within the adjustment range of fine tuning capacitor C24. The top synthesizer cover must be
removed in order to gain access to the coarse frequency jumpers. The coarse frequency jumpers
(JU2-JU4) may be considered to be a selectable binary weighted capacitor element with JU2 being
the most significant "bit" and JU4 being the least significant "bit". The tuning resolution size is
≈12 pF (JU4) . If the tuning voltage remains higher than +2.3 Vdc, decrease the tuning jumper
setting by 1 "bit" position and re-adjust C24 in an attempt to achieve +2.3 Vdc at TP4. For
example, if coarse frequency jumpers JU2-JU4 are all installed and represented by 111 then a
decrease by 1 "bit" position (12 pF) is represented b y a binary jumper selection of 110; jumper
JU4 is not installed and jumpers JU2, JU3 are installed. Continue to decrease the jumper position
one "bit" at a time until the synthesizer regains lock with TP4 adjusted (C24) for +2.3 Vdc. If the
tuning voltage remains lower than +2.3 Vdc, increase the jumper setting by 1 "bit" position and re­adjust C24 in an attempt to achieve +2.3 Vdc at TP4. Repeat this procedure until +2.3 Vdc at TP4
is achieved.

It is important to check the loop control voltage at TP4 when multiple synthesizer channels have
been programmed. All channel selections should result in a TP4 voltage within a +1.0 to +4.0 Vdc
range. Adjust the fine tuning capacitor C24 to center multiple channel voltages symmetrically about
+2.3 Vdc. Channel selections beyond the tuning range capability of the synthesizer will result in
unlocked operation. The tuning range capability of all synthesizer models is listed in the
Specifications section (1.3) of this manual.

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3.5.5.2 VHF OS(R/T)-3A 118 - 159.4 MHz Alignment

Refer to the "OS(R/T)-3A 118 - 159.4 MHz Analog Board Component Layout" diagrams and the
"OS(R/T)-3A 118 - 159.4 MHz Analog Board Schematic Diagram" located in section 4 on pages
5, 6, and 7.

Using a high impedance (10 MΩ) DC Voltmeter, measure the PLL control voltage at TP4 located
on the synthesizer module analog board (top). Access to TP4 is available through the synthesizer
top cover. The VHF synthesizers operating in the 118 - 159.4 MHz frequency range employ a PIC
microcontroller having no frequency adjustment capability. The OST-3A128 and OSR-3A149
models cover 118-138 MHz, and 139.4 - 159.4 MHz respectively and provide full band coverage
without tuning adjustment.

All channel selections might result in a TP4 voltage within the +3.1 to +3.5 Vdc range. Channel
selections beyond the tuning range capability of the synthesizer will result in unlocked operation
over the temperature range - 40C to + 60C. The tuning range capability of all synthesizer models is
listed in the Specifications section of this manual.

3.5.5.3 VHF OS(R/T)-3H 128 - 174 MHz VCO Alignment

Refer to the "OS(R/T)-3H 128 - 174 MHz Analog Board Component Layout" diagrams and the
"OS(R/T)-3H 128 - 174 MHz Analog Board Schematic Diagram" located in section 4 on pages 9 ,
10 and 11.

Using a high impedance (10 MΩ) DC Voltmeter, measure the PLL control voltage at TP4 located
on the synthesizer module analog board (top). Access to TP4 is available through the synthesizer
top cover. Using a small standard blade screwdriver, carefully adjust the VCO fine frequency
"TUNE" trimmer capacitor C24 until a test point (TP4) voltage of approximately +2.3 Vdc is
obtained. Measured PLL loop control voltages below approximately +0.5 Vdc and above
approximately +4.5 Vdc indicates an "out of lock" synthesizer condition.

It is important to check the loop control voltage at TP4 when multiple synthesizer channels have
been programmed. All channel selections should result in a TP4 voltage wi thin the +1.0 to +4.0
Vdc range. Adjust the fine tuning capacitor C24 to center multiple channel voltages symmetrically
about +2.3 Vdc. Channel selections beyond the tuning range capability of the synthesizer will
result in unlocked operation. The tuning range capability of all synthesizer models is listed in the
Specifications section of this manual.

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3.5.5.4 UHF OS(R/T)-3H 406 - 470 MHz VCO Alignment

Refer to the "OS(R/T)-3H 406 - 470 MHz Analog Board Component Layout" diagrams and the
"OS(R/T)-3H 406 - 470 MHz Analog Board Schematic Diagram" located in section 4 on pages 13,
14 and 15.

Using a high impedance (10 MΩ) DC Voltmeter, measure the PLL control voltage at TP4 located
on the synthesizer module analog board (top). Access to TP4 is available through the synthesizer
top cover. The UHF synthesizers operating in the 406 - 470 MHz frequency range employ
integrated VCO modules having no frequency adjustment capability. The OST-3H440 and OSR­3H440 models cover 406-470 MHz, and 427.4 - 470 MHz respectively and provide full band
coverage without tuning adjustment. Measured PLL loop control voltages below approximately
+0.5 Vdc and above approximately +7.0 Vdc indicates an "out of lock" synthesizer condition.

It is important to check the loop control voltage at TP4 when multiple synthesizer channels have
been programmed. All channel selections should result in a TP4 voltage within the +1.0 to +7.0
Vdc range. Channel selections beyond the tuning range capability of the synthesizer will result in
unlocked operation. The tuning range capability of all synthesizer models is listed in the
Specifications section of this manual.

3.5.5.5 Reference Frequency Alignment

Adjust the synthesizer TCXO fine frequency potentiometer RV1 until the correct output frequency
is achieved. Access to this potentiometer is made available through an opening in the synthesizer
top cover. An RF power level o f approximately +5 dBm should be measured at the synthesizer
module output connector and the frequency should be within ±1 ppm from the desired operating
frequency. Reference frequency adjustments should be made at room temperature (+20°C) after te n
minutes.

3.5.6 Jumper Configuration

Solder jumpers are clearly marked on both the synthesizer digital and analog circuit boards. Refer
the "OS(R/T)-3(A/H) Digital Board Component Layout (Bottom)" diagram in section 4 page 1 4 ,
and the applicable "OS(R/T)-3(A/H) Analog Board Component Layout (Top)" diagram for jumper
locations. The following list details the required jumper configuration for the two synthesizer
operating modes:

1) Internal reference . Install jumper JU1-B, on Analog Board (Standard). The internal
temperature compensated crystal oscillator (TCXO) provides the reference signal
with a stability less than ±1 ppm from -30°C (Optional -40°C) to + 60°C. (Located
on the Analog Board)

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2) External reference input

. Install jumper JU1-A, JU2 on Analog Board. This mode

is used in applications requiring better than ±1 ppm frequency stability. An external

9.6/10.0 MHz reference signal must be provided at synthesizer SMB connector J1.
(Located on the Analog Board)

3) Reference Frequency

10.0 MHz reference frequency. When not installed, the reference frequency

Select . Install jumper JU2 on Digital Board to select a

selected is 9.6 MHz. JU2 must not be installed when using the internal 9.6 MHz
TCXO reference. JU2 is used by the microcontroller to establish the correct
reference frequency division ratio. (Located on the Digital Board; The Synthesizer
module must be removed to change jumper JU2)

4) AM Multichannel Synthesizer Select

. Install jumper JU1 on Digital Board to select
AM Multichannel Synthesizer with Frequency Select Handle. (Located on the Front
Panel)

Remember : Care must be exercised when installing the reconfigured synthesizer module back into
the transmitter board or the IF/audio board. Pay careful attention to pin alignment before pressing
the synthesizer module into its mating sockets.

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PCB 50038-02

DATE: FEB 26, 1997

DWG No: OS3H040AT2A

DANIELS

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VICTORIA, B.C.

TITLE: OS-3H050 ANALOG BOARD THROUGH HOLE BOTTOM LAYOUT

BOARD No.:
DWG REV DATE: JAN 6/99

50038-02

Q5
J211

L4
10µH

L6
10µH

R26
1R2

L9

1.5µH

L8

1.5µH

L10

1.5µH

L3
10µH

L2
10µH

R51
220R

C54
22µF

+

C50
22µF

+

C42
22µF

+

R50
180R

R40
180R

C45
470nF

L7

4.7µH

C24
1-14pF

C37

1.0µF

C39

1.0µF

L5
SEL

L1
10µH

C38

1.0µF

R36
R32
R33

15K
680R

2K7

LED1

+

TITLE: OS-3H050 ANALOG BOARD THROUGH HOLE BOTTOM DESIGNATION

C48 SEL

C49 22nF

R2
330R

L12

4.7µH

DESIG.

TX 29 - 40 MHz

OST - 3H035

C48

TX 39 - 50 MHz

OST - 3H045

RX 50.4 - 71.4 MHz

OSR - 3H061

TRANSMITTER RECEIVER

260 nH

L5

68 nF

197 nH

68 nF

138 nH

Not Installed

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4 ILLUSTRATIONS AND SCHEMATIC DIAGRAMS

4.1 OS(R/T)-3H 29 - 71.4 MHz Analog Board Diagrams

4.1.1 OS(R/T)-3H 29 - 71.4 MHz Analog Board Component Layout (Bottom)

OS3050M1

PCB 50038-02

DATE: FEB 27, 1997

DWG No:OS3HANA040AS1A

DANIELS
ELECTRONICS VICTORIA, B.C.

TITLE: OS-3H040 ANALOG BOARD SURFACE MOUNT TOP LAYOUT

BOARD No.:

DWG REV DATE: JANUARY 6/1999

50038-02

TITLE: OS-3H040 ANALOG BOARD GENERIC SM TOP DESIGNATIONS

C1
1nF

R14
10k0

R13
11k8

C6
47µF

C2
1nF

C7

10nF

C12

U6

LT1129-IS8

4.7µF

Q1

BC817

R3

10k0

C3
1nF

R4

10k0

R34

10k010k0

R35

10k0

C19

10nF

R23
10R0

U7

LP2951

U8

LP2951

U10

MC145191

C21
10nF

C22

10nF

C20

4.7µF

C29
47µF

C30

10nF

R29

18k2

U9

SI9945DY

R15

10R010R0

R24

10R0

4.7µF

C13

4.7µF

C15

4.7µF

C27

4.7µF

R12

10k0

1µF

C22

10nF

C26
1nF

R10

10k0

10k0

R18

C11

Q3
BC807

100nF

C5

Q4

BC817

10k0

R11

47µF

C18

100nF

C10

10k0

R19

D5

BAS16

JU1

1nF

C16

5k11

R17

5k11

R16

100nF

C8

100R

R5R5

5k0

RV1

C26

1nF

C31

R9

1k00

R6

1k00

R7

10k0

C14

10nF

Q2

BC817

R8

10k0

10nF

C9

1nF

C25

49R9

R1

20k0

R21

10k0

R53

10R0

R25

10nF

C4

1nF

C17

0R0

R39

D1 D2

MMBV609L

MMBV609L

10R0

R20

15K0

R27

C28

1nF

MMBD701L

SEL

C23

D3

SEL

C34

C35

3.3pF

C36

330pF

R31
49R9

R30

10R0

C44

330pF

C47

330pF

R41

18R2

R47

47R5

R48

27R4

R49

33R2

C44

C55

10nF

R52

49R9

C56
330pF

R28

N/I

U11

MSA-0611

U16

MSA-0611

MSA-0611

U15

SEL

L13

SEL

L11

C57

SEL

274R

R55

274R

R56

18R2

R54

SEL

C58

SEL

C52
330pF

C53

C46

330pF330pF

C51
10nF

27R4

R45

10nF

C43

47R5

R44

47R5

R46

33R2

D4

BYD17J

47pF

C62

JU2 JU3 JU4

22pF

C63

12pF

C64

SEL

C61

33pF

C40

49R9

R38

C41
1nF

SEL

C59

10nF

R22

DESIG.

TX 29 - 40 MHz

OST - 3H035

C23 150 pF

15 pF

C53

56 pF

C57

150 pF

C34

C61

TX 39 - 50 MHz

OST - 3H045

RX 50.4 - 71.4 MHz

OSR - 3H061

TRANSMITTER RECEIVER

33 pFC59

33 pFC58

56 pF

100 pF

15 pF

47 pF

100 pF

33 pF

33 pF

56 pF

56 pF

68 pF

33 pF

56 pF

100 pF

68 pF

Not Installed

100 nH
100 nH

L11
L13

100 nH
100nH

120 nH
120 nH

DWG No:OS3HANA040AS2A

475R

TCXO1

TITLE: OS-3H040 ANALOG BOARD TH TOP LAYOUT

U2
OPL550

U3
OPL550U4OPL550U1OPL550U5OP140A

J1

J2

TITLE: OS-3H040 ANALOG BOARD TH TOP DESIGNATION

DE

DANIELS
ELECTRONICS

BAR located on
bottom side of TCXO

4-2

4.1.2 OS(R/T)-3H 29 - 71.4 MHz Analog Board Component Layout (Top)

TP2

TP3

TP1

TP4

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29-470 MHz

OS3050M2B

Desolder three board
interconnect points to
separate analog and
digital boards..

Remove seven M2.0
machine screws to
remove analog board.

A

B

JU1 position B selected
for internal 9.6 MHz

P2

P1

P3

LOCK DETECT

LED

DESIGNATION

OST-3H035

TX 29 - 40 MHz

C23

TRANSMITTER

OST-3H045

TX 39 - 50 MHz

OSR-3H061

TX 50.4 - 71.4 MHz

RECEIVER

L5

C61

C48
C53

C58
C59

L11

C34

C57

L13

150 pF

260 nH *

150 pF

68nF *
56 pF

33 pF
33 pF

56 pF

15pF

56 pF

138 nH *

56 pF

Not Installed

68 pF
100 pF

120 nH

33 pF

120nH

Not Installed

68 pF

100 pF
47 pF
68nF *
56 pF
15pF
33 pF
33 pF
100 pF

100 nH
100 nH

197 nH *

* Thru Hole Component

100 nH
100 nH

VICTORIA B.C.

DE

DANIELS
ELECTRONICS

DE

DANIELS
ELECTRONICS

DWG REV DATE: 7 MAR 00

TP4 LOOP CONTROL
SET FOR ≈ 2.3 VDC

DWG No: OS3050M3B
BOARD No: 50038-02

4.1.3 OS(R/T)-3H 29 - 71.4 MHz Analog Board Schematic Diagram

TITLE: OS(R/T)-3H 29 - 71.4 MHz ANALOG BOARD SCHEMATIC DIAGRAM

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

4-3

-----

-----

U12 - U14

L13

BOARD REV: 1

DATE: 24 FEB 97 DWN BY: COLIN GUNN

LED1

C64

-----

-----

R42, R43R37

A

B

U16TCXO1RV1

R56Q5

D5

APRVD:

----- -----

UNUSED REFERENCE DESIGNATORS

HIGHEST REFERENCE DESIGNATORS

RF OUTPUT

3.5 dB Pad

LOCK DETECT
OUTPUT
ACTIVATED WHEN
UNLOCKED

NC

NC

NC

MODULATION INPUT

POWER CNTRL

ID≈10 mA

LOCK DETECT

DATA INPUT

CLK

ENABLE
ACTIVE HIGH

TO ALL +8VA SUPPLY POINTS

EXTERNAL REFERENCE
INPUT (50Ω)

FREQ CONTROL

TCXO MOD INPUT

+9.5 VDC SUPPLY

TO ALL +5VA SUPPLY POINTS

NC

NC

REFOUT

LD
øR
øV

VPD

PDOUT

GND

RX

TEST 1

FIN

REFIN
DIN

CLK

ENB

OUTPUTA
OUTPUTB

VDD

TEST 2
VCC
FIN

1
2
3
4
5
6
7
8
9
1011

12

13

14

15

16

17

18

19

20

U10
MC145191

AGND

AGND

GND

VCNTRL

OUTPUT

VCC

1

4

2

3

9.6 MHz

TCXO1

AGND

1.0nF

C31

18K2

R29

OUTPUT

SENSE
5VTAP

FB

INPUT
ERROR
SHDN
GND

1
2
6
74

3

5

8

LP2951

U8

AGND

+

4.7uF

C15

AGND

10R0

R15

+

47uF

C18

AGND

5K11

R16

5K11

R17

AGND

5K0

RV1

AGND

1.0nF

C16

+

47uF

C6

AGND AGND

10nF

C7

10K0

R19

10nF

C14

AGND

2

1

3

JU1

10nF

C19

+5VA Z2

AGND

10nF

C22

AGND

10nF

C21

10R0

R23

10R0

R24

+

4.7uF

C27

AGND

+

4.7uF

C20

AGND

+5VA

+5VA

49R9

R31

AGND

+

100uF

C32

AGND

10R0

R30

330pF

C36

AGND

IN

OUT

GND

13

42

MSA-0611

U11

180R

R40

1.5uH

L8

+

22uF

C42

AGND

10nF

C43

AGND

+8VA

330pF

C44

18R2

R41

47R5

R44

47R5

R47

33R2

R46

AGND

330pF

C46

AGND

IN

OUT

GND

13

42

MSA-0611

U15

180R

R50

1.5uH

L9

+

22uF

C50

AGND

10nF

C51

AGND

+8VA

330pF

C52

27R4

R45

330pF

C47

AGND

IN

OUT

GND

13

42

MSA-0611

U16

220R

R51

1.5uH

L10

+

22uF

C54

AGND

10nF

C55

AGND

+8VA

330pF

C56

27R4

R48

33R2

R49

AGND

49R9

R52

AGND

274

R55

AGND

18R2

R54

274

R56

AGNDJ2AGND

2

1

3

MMBV609L

D2

2

13MMBV609L

D1

10uH

L4

10R0

R20

AGND

10R0

R25

10uH

L6

1.0nF

C25

AGND

SEL

C23

10uH

L2

AGND

1.0nF

C2

P2

OUTPUT

SENSE
5VTAP

FB

INPUT
ERROR
SHDN
GND

1
2
6
74

3

5

8

LP2951

U7

AGND

+

4.7uF

C13

AGND

10uH

L3

AGND

1.0nF

C3

P3

E

B

C

BC817

Q2

J1

10K0

R7

1K00

R6

1K00

R9

AGNDAGND

10nF

C4

10nF

C9

AGND

49R9

R1

AGND

100R

R5

100nF

C8

AGND

+5VA

VCC
OUT
GND

1
2
3

OPL550

U1

VCC
OUT
GND

1
2
3

OPL550

U2

VCC
OUT
GND

1
2
3

OPL550

U3

VCC
OUT
GND

1
2
3

OPL550

U4

AGND

AGND

AGND

+5VA

100nF

C10

AGND

OUTB

OUTA

ENB

CLK

DIN

AGND

AGND

11K8

R13

10K0

R14

AGND

+

4.7uF

C12

AGND

+8VA

AGND

+5VB

100nF

C5

AGND

+5VB

TP1

TP2

TP3

E

B

C

BC817

Q1

AGND

10K0

R4

10K0

R3

OUTPUT

ADJ

GND

NC

VIN
GND
GND
SHDN

8
7
6
54

3

2

1

U6
LT1129-IS8

+

100uF

C33

AGND

BYD17J

D4

1R2

R26

AGND

E

B

C

BC817

Q4

10K0

R11

AGND

10K0

R18

+5VA

ENB

CLK

1

2

U5
OP140A

10K0

R12

AGND

AGND

E

B

C

Q3
BC807

10K0

R10

330R

R2

1.0uF

C37

AGND

+8VA

N/I

R28

+

47uF

C29

AGND AGND

10nF

C30

OUTB

L1
10uH

AGND

C1

1.0nF

P1

AGND

475R

R22

AGND

R21
20K0

C26

1.0nF

D1
D1
D2
D2

S1
G1
S2
G2

1
2
3
45

6

7

8

U9
SI9945DY

AGND

R39
0R00

10K0

R8

R34
10K0

R35
10K0

+5VA

+5VA

AGND

+ C11

1.0uF

D5
BAS16

R53
10K0

TP4

1.0uF

C38

AGND AGND

DIN

LTL-93BEK1

LED1

AGND

680R

R33

GSDJ211

Q5

4.7uH

L7

15K0

R27

MMBD701

D3

33pF

C40

SEL

C34

49R9

R38

1.0nF

C28

+8VA

1.0nF

C41

SEL

L5

1-14pF

C24

JU2

C61
SEL

SEL

C59

SEL

C53

SEL

L11

SEL

C58

AGND AGND

C48
SEL

AGND AGND AGND AGND AGND

AGND

AGND

AGND

AGND

JU3 JU4

L13
SEL

C57
SEL

AGND

1nF

C17

47pF

C62

22pF

C63

12pF

C64

15K0

R32

C39

1.0uF

R36
2K7

470nF

C45

22nF

C49

4.7uH

L12

3.3pF

C35

+5VA

D

This Page Intentionally Left Blank

DANIELS

ELECTRONICS

E

4-4 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

DATE: APR 18, 1999

DWG No:TBA

DANIELS

ELECTRONICS VICTORIA, B.C.

TITLE: OS-3A130 ANALOG BOARD OUTLINE

BOARD No.:

DWG REV DATE: 22 DEC 99

50082-05

PCB 50082-05

DWG No:TBA

TITLE: OS-3A130 ANALOG BOARD BOTTOM THROUGH HOLE LAYOUT

L4

1.5µH

L6

1.5uH

R26
1R2

L8

1.5uH

L3
10uH

L2
10uH

C42
22uF

+

C45
SEL

L7

1.5uH

C37
SEL

C39
SEL

L5

R2

330R
C38
SEL

C49 SEL

R36
R32
R33

SEL
680R

SEL

LED1

+

AM TX

118 - 138 MHz

OST - 3A130-10

AM RX

139.4 - 159.4 MHz
OSR - 3A130-10

DESIG.

C39
C45
C49
R32
R36

SELECT COMPONENTS

NOT INSTALLED

22 nF2.2 nF

1.0 µF

330 nF 470 nF

15K68K
1K88K2

C38 100 nF 1.0 µF

C37 470 nF 1.0 µF

Q5
J211

- --

L13

1.5uH

C63
680nF

DWG No:TBA

TITLE: OS-3A130 AM WIDEBAND ANALOG BOARD BOTTOM T.H. DESIGNATIONS

DWG No:OS3A130AT5

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz 4-5

4.2 OS(R/T)-3A 118 - 159.6 MHz Analog Board Diagrams

4.2.1 OS(R/T)-3A 118 - 159.6 MHz Analog Board Component Layout (Bottom)

OS3130M1A

DE

DANIELS

ELECTRONICS

DATE: APR 18, 1999

DWG No:OS3AxxxxxS1A

DANIELS

ELECTRONICS VICTORIA, B.C.

TITLE: OS-3A130 ANALOG BOARD OUTLINE

BOARD No.:

DWG REV DATE: FEB 23/2000

50082-05

PCB 50082-05

DWG No:OS3A130S6

TITLE: OS-3A130 ANALOG BOARD SURFACE MOUNT LAYOUT

C51

R14
10k0

R13
11k8

C6
47µF

C2
1nF

C7

10nF

C12

U6

LT1129-IS8

4.7µF

Q1

BC817

R3

10k0

C3
1nF

R4

10k0

R34

10k010k0

R35

10k0

C19

10nF

R23
10R0

U7

LP2951

U8

LP2951

U10

MC145191

C21
10nF

C22

10nF

C20

4.7µF

C29
47µF

C30

10nF

R29

18k2

U9

SI9945DY

R15

10R010R0

R24

10R0

4.7µF

C13

4.7µF

C15

4.7µF

C27

4.7µF

R12

10k0

1µF

C22

10nF

C26
1nF

R10
10k0

10k0

R18

C11

Q3
BC807

100nF

C5

Q4

BC817

137k

R53

47µF

C18

137k

R42

10k0

R19

D5

BAS16

JU1

1nF

C16

5k11

R17

5k11

R16

100nF

C8

100R

R5R5

5k0

RV1

C26

1nF

C31

R9

1k00

R6

1k00

R7
10k0

C50
100nF

Q2

BC817

R8

10k0

10nF

C9

N/I

C25

49R9

R1

10R0

R25

10nF

C4

0R0

R39

D1

D2

MMBV609L

MMBV609L

10R0

R20

SEL

C23

11k8

R27

C28

6.8µF

MMBD701L

SEL

C40

D3

C34

10nF

C35
SEL

C36

3.3pF

R31

49R9

R30

10R0

100nF

C47

330pF

R41
20k0

C52
10nF

C41

R28
10R0

MSA-0611

U11

47nH

L12

47nH

L11

27pF

C59
27pF

47pF

C58

27pF

C44

330pF

C53

C46

100nF

18R2

R45

10nF

R44
1k82

R46

475R

D4

BYD17J

D6

SEL

4.7µF

C61

10nF

C62

274K

R57

4k75

R62

C60

2.2µF

U17

LTC1257I

U19

MC33172

U18

PIC12C672

SEL

R60

R58
825K

R59

10K0

R63

10R0

137k

R43

R37
49k9

100µF

C32

100µF

C33

D7

SEL

1nF

C1

1nF

C17

100nF

C48

10nF

C14

U20

74HC14

100nF

C10

137k

R22

10k

R11

100nF

R38

49k9

JU2

20K0

R61

1nF

C24

Q6
MMBR901

C43

Factory Installed Jumpers

DWG No:OS3A130S5

TITLE: OS-3A130 ANALOG BOARD SURFACE MOUNT DESIGNATIONS

DWG No:OS3A130AT1

TITLE: OS-3A130 AM WIDEBAND ANALOG BOARD TOP T. H. LAYOUT

U2
OPL950U3OPL950U4OPL950U1OPL950

U5
OP140A

TCXO1

R40

SEL

DWG No:OS3A130AT2

TITLE: OS-3A130 AM WIDEBAND ANALOG BOARD TOP T. H. DESIGNATIONS

C23

SELECT COMPONENTS

AM TX

118 -138 MHz

OST - 3A128

AM RX

139.4 -159.4 MHz
OSR - 3A149

SMV1211

Not Installed

10pF Not Installed

8.2pF

D6-SMV1212, D7-N/I

68K139K2R60

D6,D7

C40

330R220RR40

C35

3.3pF 5.6pF

DESIG.

DE

DANIELS
ELECTRONICS

BAR located on
bottom side of TCXO

4-6

4.2.2 OS(R/T)-3A 118 - 159.6 MHz Analog Board Component Layout (Top)

TP2

TP3

TP1

TP4

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

OS3130M2A

Desolder three board
interconnect points to
separate analog and
digital boards..

Remove seven M2.0
machine screws to
remove analog board.

Select values

A

B

JU1 position B selected
for internal 9.6 MHz

P2

P1

P3

LOCK DETECT

LED

J1

J2

DESIG.

C23 *

C39

R36

R32

C49

C40 *

C37
C38

10 pF

NOT INSTALLED

8K2

68K

2.2 nF

NOT INSTALLED

470 nF
100 nF

NOT INSTALLED

1.0 µF

1K8

15K

22 nF

8.2 pF

1.0 µF

1.0 µF

AM RX 139.4-159.4 MHz

OSR-3A149

* - Surface Mount Components

D6*, D7* SMV1211 D6 - SMV1212, D7 - N/I

R60 * 39K2 68K1

AM TX 118-138 MHz

OST-3A128

C45 330 nF 470 nF

R40 220R 330R

C35 * 3.3pF 5.6pF

VICTORIA B.C.

DE

DANIELS
ELECTRONICS

DE

DANIELS
ELECTRONICS

4.2.3 OS(R/T)-3A 118 - 159.4 MHz Analog Board Schematic Diagram

BOARD REV: 5.0

TITLE: OS(R/T)-3(A/H) 118 - 159.6 MHz ANALOG BOARD SCHEMATIC DIAGRAM

DWG No: OS3130M3 DWG REV DATE: 22 FEB 2000
BOARD No: 50082-05

TP4 LOOP CONTROL
SET FOR ≈3.3 VDC

DWN BY: STAN POLYAKOV

C63

R54-R56

R21, R47-R52

U12 - U16

L1, L9, L10C54 - C57

U20

R63Q6

L13D7

DATE: 06 JULY 99

C32 AND C33 ARE SURFACE MOUNT
OR THROUGH HOLE PARTS

TO ALL +5VB SUPPLY POINTS

TO ALL +5VA SUPPLY POINTS

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

4-7

A

B

TCXO1RV1

LED1

APRVD:

----- -----

-----

-----

UNUSED REFERENCE DESIGNATORS

HIGHEST REFERENCE DESIGNATORS

RF OUTPUT

LOCK DETECT
OUTPUT
ACTIVATED WHEN
UNLOCKED

NC

NC

NC

POWER CNTRL

ID≈10 mA

LOCK DETECT

DATA INPUT

CLK

ENABLE
ACTIVE HIGH

TO ALL +8VA SUPPLY POINTS

EXTERNAL REFERENCE
INPUT (50Ω)

FREQ CONTROL

TCXO MOD INPUT

+9.5 VDC SUPPLY

NC

NC

REFOUT

LD
øR
øV

VPD

PDOUT

GND

RX

TEST 1

FIN

REFIN
DIN
CLK

ENB

OUTPUTA
OUTPUTB

VDD

TEST 2
VCC
FIN

1
2
3
4
5
6
7
8
9
1011

12

13

14

15

16

17

18

19

20

MC145191

U10

AGND

AGND

GND

VCNTRL

OUTPUT

VCC

1

4

2

3

TCXO1

9.6 MHz

AGND

C31

1.0nF

OUTPUT

SENSE
5VTAP

FB

INPUT
ERROR
SHDN
GND

1
2
6
74

3

5

8

U8
LP2951

AGND

+

C15

4.7uF

AGND

R15
10R0

+

C18
47uF

AGND

R16
5K11

R17
5K11

AGND

3

2

1

RV1
5K0

AGND

C16

1.0nF

+C6

47uF

AGND AGND

C7
10nF

R19
10K0

C14
10nF

AGND

2

1

3

JU1

C19
10nF

+5VA Z2

AGND

C22
10nF

AGND

C21
10nF

R23
10R0

R24
10R0

+

C27

4.7uF

AGND

+

C20

4.7uF

AGND

+5VA

+5VA

G

S

D

Q5
J211

AGND

C34
10nF

AGND

L7

1.5uH

+

C32
100uF

AGND

R30
10R0

+8VA

AGND

L8

1.5uH

+ C42

22uF

AGND

C43
10nF

AGND

+8VA

C44
330pF

L11
47nH

L12
47nH

C53
27pF

C58
47pF

C59
27pF

AGND AGND AGND

J2

AGND

2

1

3

D2
MMBV609L

2

1

3

D1
MMBV609L

L4

1.5uH

R20
10R0

AGND

R25
10R0

C25
SEL

AGND

C23
SEL

L2
10uH

AGND

C2

1.0nF

P2

OUTPUT

SENSE
5VTAP

FB

INPUT
ERROR
SHDN
GND

1
2
6
74

3

5

8

U7
LP2951

AGND

+ C13

4.7uF

AGND

L3
10uH

AGND

C3

1.0nF

P3

E

B

C

Q2
BC817

J1

R7
10K0

R6
1K00

R9
1K00

AGND

AGND

C4
10nF

C9
10nF

AGND

R1
49R9

AGND

R5
100R

C8
100nF

AGND

+5VA

AGND

AGND

AGND

AGND

AGND

R13
11K8

R14
10K0

AGND

+ C12

4.7uF

AGND

Z1

+8VA

AGND

+5VB

AGND

+5VB

TP1

TP2

TP3

E

B

C

Q1
BC817

AGND

R4
10K0

R3
10K0

OUTPUT

ADJ

GND

NC

VIN
GND
GND
SHDN

8
7
6
54

3

2

1

LT1129-IS8

U6

+

C33
100uF

AGND

D4
BYD17J

R26
1R2

E

B

C

Q4
BC817

R11
10K0

AGND

+5VA

1

2

OP140A

U5

R12
10K0

AGND

AGND

E

B

C

BC807

Q3

R10
10K0

R2
330R

C45
SEL

R36
SEL

C37
SEL

AGND

R28
10R0

+C29

47uF

AGND AGND

C30
10nF

AGND

1.0nF

C26

D1
D1
D2
D2

S1
G1
S2
G2

1
2
3
45

6

7

8

SI9945DY

U9

AGND

R39
0R0

R8
10K0

10K0

R34

+5VA

+5VA

SEL

C49

AGND

+

1.0uF

C11

BAS16

D5

SEL

R32

TP4

C38
SEL

C39
SEL

AGND AGND

SEL

C40

DIN

AGND

R33
680R

AGND

C62
10nF

AGND AGND

4

3

2

1

8

U19
MC33172

6

5

7

U19
MC33172

b

R61
20K0

R59
10K0

AGND

C60

2.2uF

R63
10R0

AGND

AGND

VOUT
REF

CLK

DOUT

DIN

LOAD

GND

VCC

1
2

3

4

5

6

7

8

U17
LTC1257I

AGND

R27
11K8

+

C28

6.8uF

1

3

2

MMBD701L

D3

+5VB +5VB

R58
825K0

AGND

AGND

GP5 GP2

GP3

GND

VDD

GP0

GP4

GP1

7

4

8

6

1

3

52

PIC12C672

U18

IN

OUT

GND

13

42

U11
MSA-0611

+5VA

49K9

R38

49K9

R37

9.5V

9.5V

L6

1.5uH

AGND

1.0nF

C17

1.0nF

C1

AGND

1.0nF

C24

AGND

R60
SEL

A

C

U1
OP950

21

14

7

U20
74HC14

a

AGND

A

C

U2
OP950

A

C

U3
OP950

A

C

U4
OP950

JU2

43

U20
74HC14

b

65

cU20

74HC14

89

dU20

74HC14

AGND

C5
100nF

LED1

C10
100nF

10K0

R35

R18
10K0

1011

74HC14

U20e

1213

74HC14

U20f

AGND

ENB

CLK

DIN
CLK
ENB

330pF

C47

R40
SEL

100nF

C48

AGND

AGND

100nF

C50

100nF

C51

+5VA

E

B

C

MMBR901

Q6

AGND

+8VA

1K82

R44

18R2

R45

AGND

AGND

475R0

R46

3.3pF

C36

SEL

C35

100nF

C41

AGND

10nF

C46

C52
10nF

AGND

R62
4K75

AGND

D6

SEL

D7

SEL

1

4

3

2

L5

AGND

+5VB

+5VB

+5VB

L13

1.5uH

4.7uF

C61

680nF

C63

R22
137K0

R42
137K0

R43
137K0

R53
137K0

20K0

R41

+5VA

R57
274K0

R29
18K2

49R9

R31

D

This Page Intentionally Left Blank

DANIELS

ELECTRONICS

E

4-8 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

PCB 50025-02

DATE: MARCH 22, 1996

DWG No:TBA

DANIELS

ELECTRONICS VICTORIA, B.C.

TITLE: OS-3H ANALOG BOARD THROUGH HOLE BOTTOM LAYOUT

BOARD No.:

DWG REV DATE: 15 MARCH 2000

50025-02

L5

C33
100µF

C32
100µF

L4

1.5µH

L6

1.5µH

R26
1R2

1.5µH

L8

1.5µH

L10

1.5µH

L3
10uH

L2
10µH

R51
220R

C54
22µF

+

C50
22µF

+

+

+

C42
22µF

+

R50
180R

R40
180R

C45
SEL

L7

1.5µH

C24
1-14pF

C37

1.0 µF

C39
SEL

L1
10µH

R2

330R
C38
SEL

C49 SEL

R36
R32
R33

SEL
680R

SEL

LED1

+

TITLE: OS-3H ANALOG BOARD THROUGH HOLE BOTTOM DESIGNATION

L9

VHF LOW BAND

128 - 153 MHz

OSx - 3H141

VHF HIGH BAND

150 - 174 MHz

OSx - 3H162

DESIG.

C39

22 nF

C45

33 nF

NOT INSTALLED

C49

220 nF

15K12KR32
6K22K2R36

SELECT COMPONENTS

C38 1.0 µF 470 nF

1.0 µF
470 nF

Q5
J211

L5

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz 4-9

4.3 OS(R/T)-3H 128 - 174 MHz Analog Board Diagrams

4.3.1 OS(R/T)-3H 128 - 174 MHz Analog Board Component Layout (Bottom)

OS3150M1B

DE

DANIELS
ELECTRONICS

PCB 50025-02

DATE: FEB 24, 1996

DWG No:OS3HANA150AS1A

DANIELS
ELECTRONICS VICTORIA, B.C.

TITLE: OS-3H150 ANALOG BOARD ECO #584 CHANGES

BOARD No.:

DWG REV DATE: MARCH 10, 2000

50025-02

Not Inastalled (installed during final assembly)

Factory Installed Jumpers

TITLE: OS-3H150 ANALOG BOARD SURFACE MOUNT TOP DESIGNATIONS

C1
1nF

R14
10k0

R13
11k8

C6
47µF

C2
1nF

C7

10nF

C12

U6

LT1129-IS8

4.7µF

Q1

BC817

R3

10k0

C3
1nF

R4

10k0

R34

10k010k0

R35

10k0

C19

10nF

R23
10R0

U7

LP2951

U8

LP2951

U10

MC145191

C21
10nF

C22

10nF

C20

4.7µF

C29
47µF

C30

10nF

R29

18k2

U9

SI9945DY

R15

10R010R0

R24

10R0

4.7µF

C13

4.7µF

C15

4.7µF

C27

4.7µF

R12

10k0

1µF

C22

10nF

C26
1nF

R10
10k0

10k0

R18

C11

Q3
BC807

100nF

C5

Q4
BC817

10k0

R11

47µF

C18

100nF

C10

10k0

R19

D5

BAS16

JU1

1nF

C16

5k11

R17

5k11

R16

100nF

C8

100R

R5R5

5k0

RV1

C26

1nF

C31

R9

1k00

R6

1k00

R7

10k0

C14

10nF

Q2

BC817

R8

10k0

10nF

C9

1nF

C25

49R9

R1

20k0

R21

10k0

R53

10R0

R25

10nF

C4

1nF

C17

0R0

R39

100R

R22

D1 D2

MMBV609L

N/I

10R0

R20

SEL

C23

11k8

R27

C28

6.8µF

MMBD701L

SEL

C40

D3

10nF

C34

10nF

C35

SEL

C36

330pF

R31
49R9

R30

10R0

C44

330pF

C47

330pF

R41

18R2

R47
47R5

R48

47R5

R49

10R0

C44

C55
10nF

R52
N/I

C56

330pF

R28
N/I

U11

MSA-0611

U16

MSA-0611MSA-0611

MSA-0611

U15

47nH

L12

47nH

L11

27pF

C59

27pF

274R

R55

274R

R56

18R2

R54

47pF

C58

27pF

C52
330pF

C53

C46

330pF330pF

C51

10nF

27R4

R45

10nF

C43

47R5

R44

47R5

R46

33R2

D4

BYD17J

DWG No:OS3HANA150AS2A

TITLE: OS-3H ANALOG BOARD THROUGH HOLE LAYOUT

DWG No:OS3HANA150AT1

U2
OPL550U3OPL550U4OPL550U1OPL550U5OP140A

TITLE: OS-3H ANALOG BOARD THROUGH HOLE DESIGNATION

DWG No:OS3HANA150AT2

C23

C40

12 pF

SELECT COMPONENTS

6.8 pF

6.8 pF

VHF LOW BAND

128 - 153 MHz

OSx - 3H141

12 pF

VHF HIGH BAND

150 - 174 MHz

OSx - 3H162

C35

3.3 pF

8.2 pF

DE

DANIELS
ELECTRONICS

C24 Fine Frequency Adjust

BAR located on
bottom side of TCXO

4-10

4.3.2 OS(R/T)-3H 128 - 174 MHz Analog Board Component Layout (Top)

TP2

TP3

TP1

TP4

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

OS3150M2B

Desolder three board
interconnect points to
separate analog and
digital boards..

Remove seven M2.0
machine screws to
remove analog board.

Select values

A

B

JU1 position B Selected
for internal 9.6 MHz

P2

P1

P3

LOCK DETECT

LED

J1

J2

SEL

C35

DESIG. LOW BAND 128-153 MHz

OSx-3H141

C23 *

12 pF

6.8 pF

C45 470nF 330 nF

C39 1.0uF 220nF

R36 2K2 3K3

R32 12K 15K

C49 33nF 22nF

C40 * 12 pF 6.8 pF

C38 1.0 µF 1.0 µF

HIGH BAND 150-174 MHz

OSx-3H162

* - Surface Mount Components

C35 * 3.3 pF 8.2 pF

VICTORIA B.C.

DE

DANIELS
ELECTRONICS

DE

DANIELS
ELECTRONICS

4.3.3 OS(R/T)-3H 128 - 174 MHz Analog Board Schematic Diagram

TITLE: OS(R/T)-3(A/H) 128.6 - 174 MHz ANALOG BOARD SCHEMATIC DIAGRAM

TP4 LOOP CONTROL
SET FOR ≈ 2.3 VDC

DWG REV DATE: 7 MAR 00 DWG No: OS3150M3B

4-11

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

A

B

U12 - U14R42,R43

R37,R38C57C41,C48

U16TCXO1RV1

R56Q5LED1

L12D5C59

BOARD REV: 2BOARD No: 50025-02

DWN BY: COLIN GUNNDATE: 21 FEB 96 APRVD:

----- -----

-----

-----

UNUSED REFERENCE DESIGNATORS

HIGHEST REFERENCE DESIGNATORS

RF OUTPUT

3.5 dB Pad

LOCK DETECT
OUTPUT
ACTIVATED WHEN
UNLOCKED

NC

NC

NC

MODULATION INPUT

POWER CNTRL

ID≈10 mA

LOCK DETECT

DATA INPUT

CLK

ENABLE
ACTIVE HIGH

TO ALL +8VA SUPPLY POINTS

EXTERNAL REFERENCE
INPUT (50Ω)

FREQ CONTROL

TCXO MOD INPUT

+9.5 VDC SUPPLY

TO ALL +5VA SUPPLY POINTS

NC

NC

REFOUT

LD
øR
øV

VPD

PDOUT

GND

RX

TEST 1

FIN

REFIN
DIN
CLK

ENB

OUTPUTA
OUTPUTB

VDD

TEST 2
VCC
FIN

1
2
3
4
5
6
7
8
9
1011

12

13

14

15

16

17

18

19

20

U10
MC145191

AGND

AGND

GND

VCNTRL

OUTPUT

VCC

1

4

2

3

9.6 MHz

TCXO1

AGND

1.0nF

C31

18K2

R29

OUTPUT

SENSE
5VTAP

FB

INPUT
ERROR
SHDN
GND

1
2
6
74

3

5

8

LP2951

U8

AGND

+

4.7uF

C15

AGND

10R0

R15

+

47uF

C18

AGND

5K11

R16

5K11

R17

AGND

3

2

1

5K0

RV1

AGND

1.0nF

C16

+

47uF

C6

AGND AGND

10nF

C7

10K0

R19

10nF

C14

AGND

2

1

3

JU1

10nF

C19

+5VA Z2

AGND

10nF

C22

AGND

10nF

C21

10R0

R23

10R0

R24

+

4.7uF

C27

AGND

+

4.7uF

C20

AGND

+5VA

+5VA

G

S

D

J211

Q5

SEL

C35

49R9

R31

AGND

11K8

R27

1

4

3

2

L5

AGND

+

6.8uF

C28

10nF

C34

AGND

1

3

2

D3
MMBD701L

1.5uH

L7

+

100uF

C32

AGND

10R0

R30

330pF

C36

C24
1-14pF

AGND

+8VA

AGND

IN

OUT

GND

13

42

MSA-0611

U11

180R

R40

1.5uH

L8

+

22uF

C42

AGND

10nF

C43

AGND

+8VA

330pF

C44

18R2

R41

47R5

R44

47R5

R47

33R2

R46

AGND

330pF

C46

AGND

IN

OUT

GND

13

42

MSA-0611

U15

180R

R50

1.5uH

L9

+

22uF

C50

AGND

10nF

C51

AGND

+8VA

330pF

C52

27R4

R45

330pF

C47

AGND

IN

OUT

GND

13

42

MSA-0611

U16

220R

R51

1.5uH

L10

+

22uF

C54

AGND

10nF

C55

AGND

+8VA

330pF

C56

47R5

R48

10R0

R49

AGND

N/I

R52

AGND

47nH

L11

47nH

L12

27pF

C53

47pF

C58

27pF

C59

AGND AGND AGND

274

R55

AGND

18R2

R54

274

R56

AGNDJ2AGND

2

1

3

MMBV609L

D2

2

1

3

N/I

D1

1.5uH

L4

10R0

R20

AGND

10R0

R25

1.5uH

L6

1.0nF

C25

AGND

SEL

C23

10uH

L2

AGND

1.0nF

C2

P2

OUTPUT

SENSE
5VTAP

FB

INPUT
ERROR
SHDN
GND

1
2
6
74

3

5

8

LP2951

U7

AGND

+

4.7uF

C13

AGND

10uH

L3

AGND

1.0nF

C3

P3

E

B

C

BC817

Q2

J1

10K0

R7

1K00

R6

1K00

R9

AGNDAGND

10nF

C4

10nF

C9

AGND

49R9

R1

AGND

100R

R5

100nF

C8

AGND

+5VA

VCC
OUT
GND

1
2
3

OPL550

U1

VCC
OUT
GND

1
2
3

OPL550

U2

VCC
OUT
GND

1
2
3

OPL550

U3

VCC
OUT
GND

1
2
3

OPL550

U4

AGND

AGND

AGND

+5VA

100nF

C10

AGND

OUTB

OUTA

ENB

CLK

DIN

AGND

AGND

11K8

R13

10K0

R14

AGND

+

4.7uF

C12

AGND

Z1

+8VA

AGND

+5VB

100nF

C5

AGND

+5VB

TP1

TP2

TP3

E

B

C

BC817

Q1

AGND

10K0

R4

10K0

R3

OUTPUT

ADJ

GND

NC

VIN
GND
GND
SHDN

8
7
6
54

3

2

1

U6
LT1129-IS8

+

100uF

C33

AGND

BYD17J

D4

1R2

R26

AGND

E

B

C

BC817

Q4

10K0

R11

AGND

10K0

R18

+5VA

ENB

CLK

1

2

U5
OP140A

10K0

R12

AGND

AGND

E

B

C

Q3
BC807

10K0

R10

330R

R2

SEL

C45

SEL

R36

1.0uF

C37

AGND

+8VA

R28
N/I

+

47uF

C29

AGND AGND

10nF

C30

OUTB

L1
10uH

AGND

C1

1.0nF

P1

AGND

C17
1nF

R22
100R

AGND

R21
20K0

C26

1.0nF

D1
D1
D2
D2

S1
G1
S2
G2

1
2
3
45

6

7

8

U9
SI9945DY

AGND

R39
0R0

10K0

R8

R34
10K0

R35
10K0

+5VA

+5VA

C49
SEL

AGND

+ C11

1.0uF

D5
BAS16

R32
SEL

R53
10K0

TP4

SEL

C38

SEL

C39

AGND AGND

C40
SEL

DIN

LED1

AGND

680R

R33

+5VA

D

This Page Intentionally Left Blank

DANIELS

ELECTRONICS

E

4-12 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

DATE: MARCH 22, 1996

DWG No:TBA

DANIELS

ELECTRONICS VICTORIA, B.C.

TITLE: OS-3H ANALOG BOARD THROUGH HOLE BOTTOM LAYOUT

BOARD No.:

DWG REV DATE: 13 Aug 1997 GM

50028-02

C33
100µF

C32
100µF

L6

1.5µH

R26
1R2

L9

1.5µH

L8

1.5µH

L10

1.5µH

L3
10µH

L2
10µH

R51
220R

C54
22uF

+

C50
22µF

+

+

+

C42
22µF

+

R50
180R

R40
180R

C45
SEL

L7

1.5µH

C37
1µF

C39
SEL

L1
10µH

R2
330R

C38
SEL

C49 SEL

R36

R32
R33

SEL
680R

SEL

LED1

+

TITLE: OS-3H ANALOG BOARD THROUGH HOLE BOTTOM DESIGNATION

U17
VCO

1

VCO INSTALLED (U17)

LVCO-2309 TEV VCO-190-435 MT

RX 427.4 - 451.4 MHz TX 406 - 470 MHz

R21
SEL

C60
SEL

C16
100nF

DESIGNATION

OSR-3H440

RX 427.4 - 451.4 MHz

OST-3H440

TX 406 - 470 MHz
C38
C39
C45
C49
C60
R21
R32
R36

1.0 µF

1.0 µF

470 nF

33 nF
Not Installed
Not Installed

4k7
1k5

Not Installed
Not Installed

220 nF

22 nF

100 nF

2k7
5k6
2k2

DE

DANIELS
ELECTRONICS

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz 4-13

4.4 OS(R/T)-3H 406 - 470 MHz Analog Board Diagrams

4.4.1 OS(R/T)-3H 406 - 470 MHz Analog Board Component Layout (Bottom)

OS3450M1B

PCB 50028-02

DATE: FEB 24, 1996

DWG No:OS3HANA440AS1

DANIELS

ELECTRONICS

VICTORIA, B.C.

TITLE: UHF OS-3H ANALOG BOARD SURFACE MOUNT TOP LAYOUT

BOARD No.:

DWG REV DATE: APR 23, 1997

50028-02

TITLE: OS-3H UHF ANALOG BOARD SURFACE MOUNT TOP DESIGNATIONS

C1
1nF

R14
10k0

R13
11k8

C6
47µF

C2
1nF

C7

10nF

C12

U6

LT1129-IS8

4.7µF

Q1

BC817

R3

10k0

C3
1nF

R4

10k0

R34

10k010k0

R35

10k0

C19

10nF

R23
10R0

U7

LP2951

U8

LP2951

U10

MC145190

C21
10nF

C22

10nF

C20

4.7µF

C29
47µF

C30

10nF

R29

36k5

U9

SI9945DY

R15

10R010R0

R24

10R0

4.7µF

C13

4.7µF

C15

4.7µF

C27

4.7µF

R12

10k0

1µF

C22

10nF

C26
1nF

R10
10k0

10k0

R18

C11

Q3
BC807

100nF

C5

Q4
BC817

10k0

R11

47µF

C18

100nF

C10

10k0

R19

D5

BAS16

JU1

5k11

R17

5k11

R16

100nF

C8

100R

R5R5

5k0

RV1

C26

1nF

C31

R9

1k00

R6

1k00

R7

10k0

C14

10nF

Q2

BC817

R8

10k0

10nF

C9

1nF

C25

49R9

R1

10k0

R53

10nF

C4

1nF

C17

0R0

R39

10R0

R25

10nF

C34

C35
100pF

C36

330pF

R31
274R

R30

10R0

C44

330pF

C47

330pF

R41
18R2

R47

47R5

R48

27R4

R49

33R2

C44

C55

10nF

R52

49R9

C56

330pF

R28
10R0

U11

MSA-0611

U16

MSA-0611MSA-0611

U15

18nH

L12

18nH

L11

C59

10pF

274R

R55

274R

R56

18R2

R54

15pF

C58

10pF

C52

330pF

C53

C46

330pF

C51

10nF

27R4

R45

10nF

C43

47R5

R44

47R5

R46

33R2

D4

BYD17J

R57
18R2

R58
274R

MSA-0611

Factory Installed Jumpers

DWG No:OS3HANA440AS2

TITLE: UHF OS-3H ANALOG BOARD THOUGH HOLE TOP LAYOUT

U2
OPL550U3OPL550U4OPL550U1OPL550U5OP140A

J1

J2

TITLE: UHF OS-3H ANALOG BOARD THOUGH HOLE TOP DESIGNATIONS

TCXO1

DE

DANIELS
ELECTRONICS

BAR located on
bottom side of TCXO

4-14

4.4.2 OS(R/T)-3H 406 - 470 MHz Analog Board Component Layout (Top)

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

OS3450M2

Desolder three board
interconnect points to
separate analog and
digital boards..

JU1 position B selected
for internal 9.6 MHz

P2

P1

P3

TP3

TP1

TP4

A

B

LOCK DETECT

LED

TP2

PCB 50028-02

DESIGNATION

OSR-3H440

RX 427.4 - 451.4 MHz

OST-3H440

TX 406 - 470 MHz
C38
C39
C45
C49
C60
R32
R36

R21
R32
R36

1.0 µF

1.0 µF
470 nF

33 nF
Not Installed
Not Installed

4k7
1k5

Not Installed
Not Installed

220 nF
22 nF
100 nF

2k7
5k6
2k2

VCO INSTALLED (U17)

LVCO-2309 TEV VCO-190-435 MT

RX 427.4 - 451.4 MHz TX 406 - 470 MHz

VICTORIA B.C.

DE

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ELECTRONICS

DE

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ELECTRONICS

4-15

4.4.3 OS(R/T)-3H 406 - 470 MHz Analog Board Schematic Diagram

07 MARCH 00

DWG No: OS3450M3B

BOARD REV: 2.0

A

B

TITLE: OS(R/T)-3H 406 - 470 MHz ANALOG BOARD SCHEMATIC DIAGRAM

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

C57, R22

C60

L4, L5

J2, JU1

R58, RV1

BOARD No: 50028-02

U17

R38,R42,R43R20,R27,R37

Q4

D1 - D3

C40,C41,C48C23,C24,C28

U12 - U14

DWG REV DATE:

DATE: 23 MAY 96

TCXO1

LED1

L12D5

DWN BY: COLIN GUNN

APRVD:

-----

UNUSED REFERENCE DESIGNATORS

HIGHEST REFERENCE DESIGNATORS

TP4 LOOP CONTROL
SET FOR ≈ 4.5 VDC

RF OUTPUT

3.5 dB Pad

LOCK DETECT
OUTPUT
ACTIVATED WHEN
UNLOCKED

NC

NC

NC

MODULATION INPUT

POWER CNTRL

ID≈10 mA

LOCK DETECT

DATA INPUT

CLK

ENABLE
ACTIVE HIGH

TO ALL +8VA SUPPLY POINTS

EXTERNAL REFERENCE
INPUT (50Ω)

FREQ CONTROL

TCXO MOD INPUT

+9.5 VDC SUPPLY

TO ALL +5VA SUPPLY POINTS

NC

NC

REFOUT

LD
øR
øV

VPD

PDOUT

GND

RX

TEST 1

FIN

REFIN
DIN
CLK

ENB

OUTPUTA
OUTPUTB

VDD

TEST 2
VCC
FIN

1
2
3
4
5
6
7
8
9
1011

12

13

14

15

16

17

18

19

20

MC145190

U10

AGND

AGND

GND

VCNTRL

OUTPUT

VCC

1

4

2

3

TCXO1

9.6 MHz

AGND

C31

1.0nF

R29
36K5

OUTPUT

SENSE
5VTAP

FB

INPUT
ERROR
SHDN
GND

1
2
6
74

3

5

8

U8
LP2951

AGND

+

C15

4.7uF

AGND

R15
10R0

+

C18
47uF

AGND

R16
5K11

R17
5K11

AGND

3

2

1

RV1
5K0

AGND

C16
100nF

+C6

47uF

AGND AGND

C7
10nF

R19
10K0

C14
10nF

AGND

2

1

3

JU1

C19
10nF

+5VA Z2

AGND

C22
10nF

AGND

C21
10nF

R23
10R0

R24
10R0

+

C27

4.7uF

AGND

+

C20

4.7uF

AGND

+5VA

+5VA

C35
100pF

AGNDAGND

C34
10nF

AGND

L7

1.5uH

+

C32
100uF

AGND

R30
10R0

C36
330pF

AGND

+8VA

AGND

IN

OUT

GND

13

42

U11
MSA-0611

R40
180R

L8

1.5uH

+ C42

22uF

AGND

C43
10nF

AGND

+8VA

C44
330pF

R41
18R2

R44
47R5

R47
47R5

R46
33R2

AGND

C46
330pF

AGND

IN

OUT

GND

13

42

U15
MSA-0611

R50
180R

L9

1.5uH

+ C50

22uF

AGND

C51
10nF

AGND

+8VA

C52
330pF

R45
27R4

C47
330pF

AGND

IN

OUT

GND

13

42

U16
MSA-0611

R51
220R

L10

1.5uH

+

C54
22uF

AGND

C55
10nF

AGND

+8VA

C56
330pF

R48
27R4

R49
33R2

AGND

R52
49R9

AGND

L11
18nH

L12
18nH

C53
10pF

C58
15pF

C59
10pF

AGND AGND AGND

R55
274R

AGND

R54
18R2

R56
274R

AGND

0

1

J2

AGND

AGND

R25
10R0

L6

1.5uH

C25

1.0nF

AGND

L2
10uH

AGND

C2

1.0nF

P2

OUTPUT

SENSE
5VTAP

FB

INPUT
ERROR
SHDN
GND

1
2
6
74

3

5

8

U7
LP2951

AGND

+ C13

4.7uF

AGND

L3
10uH

AGND

C3

1.0nF

P3

E

B

C

Q2
BC817

J1

R7
10K0

R6
1K00

R9
1K00

AGNDAGND

C4
10nF

C9
10nF

AGND

R1
49R9

AGND

R5
100R

C8
100nF

AGND

+5VA

VCC
OUT
GND

1
2
3

U1
OPL550

VCC
OUT
GND

1
2
3

U2
OPL550

VCC
OUT
GND

1
2
3

U3
OPL550

VCC
OUT
GND

1
2
3

U4
OPL550

AGND

AGND

AGND

+5VA

C10
100nF

AGND

OUTB

OUTA

ENB

CLK

DIN

AGND

AGND

R13
11K8

R14
10K0

AGND

+ C12

4.7uF

AGND

Z1

+8VA

AGND

+5VB

C5
100nF

AGND

+5VB

TP1

TP2

TP3

E

B

C

Q1
BC817

AGND

R4
10K0

R3
10K0

OUTPUT

ADJ

GND

NC

VIN
GND
GND
SHDN

8
7
6
54

3

2

1

LT1129-IS8

U6

+

C33
100uF

AGND

D4
BYD17J

R26
1R2

AGND

E

B

C

Q4
BC817

R11
10K0

AGND

R18
10K0

+5VA

ENB

CLK

1

2

OP140A

U5

R12
10K0

AGND

AGND

E

B

C

BC807

Q3

R10
10K0

R2
330R

C45
SEL

R36
SEL

C37
1uF

AGND

+8VA

R28
10R0

+C29

47uF

AGND AGND

C30
10nF

OUTB

10uH

L1

AGND

1.0nF

C1

P1

AGND

1.0nF

C17

SEL

R21

1.0nF

C26

D1
D1
D2
D2

S1
G1
S2
G2

1
2
3
45

6

7

8

SI9945DY

U9

AGND

0R0

R39

R8
10K0

10K0

R34

10K0

R35

+5VA

+5VA

SEL

C49

AGND

+

1.0uF

C11

BAS16

D5

SEL

R32

10K0

R53

TP4

C38
SEL

C39
SEL

AGND AGND

DIN

LED1
LTL-93BEK1

AGND

R33
680R

AGND

AGND AGND

AGND

Band Pass Filter
(Optional)

12

F1

GND
MOD I/P
GND
GND
GND MOD GND GND

GND

RF OUT

GND

GND

GND VCCGND GND

VCO

1
2
3
4

5678

9

10

11

12

13141516

U17

274R

R58

18R2

R57

274R

R31

C60
SEL

D

This Page Intentionally Left Blank

DANIELS

ELECTRONICS

E

4-16 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

4.5 OS(R/T)-3(A/H) Digital Board Diagrams

4.5.1 OS(R/T)-3(A/H) Digital Board Component Layout (Bottom)

C9

U3
MC33064

R19

R8

27k4

6k81

P1 1ROW x 12P

1ROW x 9P

U41
68HC11E2

100nF

R6
27k4

C8

4.7uF

X1

8.0Mhz

Q9
BC817

C7
22pF

R11
10M0

C6
22pF

JU1

R10
27k4 R25

Q2

BC817

P2 1ROW x 6P

L1
10uH

C15
10uF

C3
47uF

OSx-3H

29-470 MHz

NOT INSTALLED

R4
27k4

10k0

C5
47uF

U2
LP2951

JU1

U1
SI9933Y

OSx-3A

118-159.6 MHz

INSTALLED

JU2

JU2

R39
27k4

D3
BAS16

R24
10k0

C4
47uF

OS3150M4APCB 50021-03

9.6 MHz

REFERENCE

NOT INSTALLED

U9
OPL550

U8

OP140A

U7

OP140A

U6

OP140A

U5

OP140A

10 MHz

REFERENCE

INSTALLED

DANIELS

DE

ELECTRONICS

DANIELS

ELECTRONICS VICTORIA, B.C.

TITLE: OS-3H DIGITAL BOARD SOLDER SIDE SM VALUE / DESIGNATION

TITLE: OS-3H DIGITAL BOARD SOLDER SIDE SM LAYOUT
DATE: 31 MARCH 1997
DWG No: OS3HDIGAS3A

DWG No: OS3HDIGAS4B

BOARD No.: 50021-03

REV DATE: 14 SEP 1999

REV DATE: 14 SEPTERMBER 1998

4-17Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

4.5.2 OS(R/T)-3(A/H) Digital Board Component Layout (Top)

R34
27k4

Q10
BC817

Q8
BC817

C14
100nF

C13
100nF

C12
100nF

C11
100nF

C10
100nF

R35
27k4

R36
27k4

R29
27k4

R 33
332R

R 32
332R

R 31
332R

Q4
BC817

R27
27k4

R37
27k4

R22
27k4

R28
27k4

Q7
BC817

Q6
BC817

Q5
BC817

R 30
332R

Q11
BC817

R5
27k4

R40
27k4

D4
BAS16

R12
27k4

R26
10k0

Q3
BC817

D2
BAS16

R 23
10k0

D1
BAS16

R20
27k4

R13
27k4

C2
100nF

R18
27k4

R 17
27k4

R 3
27k4

R1
0R0

R14
27k4

R15
27k4

R16
27k4

R 2
27k4

Q1
BC817

R21
27k4

R38
27K4

R9
27k4

R7
27k4

C1
100nF

R41
221k

PCB 50021-03

DANIELS

DE

ELECTRONICS

4-18

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

OS3150M5A

DANIELS

ELECTRONICS VICTORIA, B.C.

TITLE: OS-3H DIGITAL BOARD COMPONENT SIDE

TITLE: OS-3H DIGITAL BOARD COMPONENT SIDE SM LAYOUT

TITLE: OS-3H DIGITAL BOARD COMPONENT SIDE SM VALUE / DESIGNATION
DATE: 25 MARCH 1996

DWG No: OS3HDIGAS

DWG No: OS3HDIGAS1A

DWG No: OS3HDIGAS2A

BOARD No.: 50021-03
REV DATE: 14 SEP 99DWG No: OS3HDIGAS1

VICTORIA B.C.

DE

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ELECTRONICS

DE

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ELECTRONICS

4-19

4.5.3 OS(R/T)-3(A/H) Digital Board Schematic Diagram

DWG No: OS3150M6A

BOARD REV: 3.0

DWG REV DATE: 14 SEPT 99

C15

R41

BOARD No: 50021-03

TITLE: OS(R/T)-3(A/H) DIGITAL BOARD SCHEMATIC DIAGRAM

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

J4

-----

-----

JU1

JU2
Q11 U9
X1

DWN BY: STAN P

-----

-----

-----

-----

-----

-----

UNUSED REFERENCE DESIGNATORS

APRVD:DATE: 23 APRIL 1992

----- -----

HIGHEST REFERENCE DESIGNATORS

DATA OUTPUT

+12V PRG

PRIORITY COR

LOCK DETECT INPUT

POWER CONTROL

CLK

ENABLE
ACTIVE HIGH

CHAN SEL1 (I/P)

TCXO MOD INPUT

+9.5 VDC SUPPLY

MODULATION INPUT

TCXO MOD INPUT

RX MUTE

MODULATION INPUT

POWER DOWN (I/P)

TO ALL +5 VDC SUPPLY POINTS

PC7 (I/P)

PC6 (I/P)

PC5 (I/P)

PC4 (I/P)

+9.5 VDC SUPPLY

PTT (I/P) A(L)

BOOTSTRAP (I/P)

SW4 COM (O/P)

SW3 COM (O/P)

SW2 COM (O/P)

SW1 COM (O/P)

RX DATA (I/P)

TX DATA (O/P)

PTT CONTROL (O/P)

CHAN SEL0 (I/P)

CHAN SEL2 (I/P)

CHAN SEL3 (I/P)

6K81

R8

1

2

3

BC817

Q8

BC817

Q9

BC817

Q10

27K4

R27

27K4

R34

27K4

R35

27K4

R36

BC817

Q11

27K4

R22

27K4

R37

27K4

R13

100nF

C9

BC817

Q3

27K4

R2

BC817

Q1

BC817

Q2

1

2

3

BC817

Q4

BC817

Q5

BC817

Q6

ENB

CLK

DIN

LOCK

DIN

PWCTL

OUTPUT

SENSE

5VTAP

FB

INPUT
ERROR
SHDN
GND

1
2
6
74

3

5

8

U2
LP2951

P2-2

P2-1

P2-6

P2-3

P1-1

P2-4

P1-9

P1-17

VSS

MODA
AS
E
R/W
EXTAL
XTAL
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
RESET
XIRQ
IRQ
PD5
PD4
PD3
PD2
PD1
PD0
VDD

MODB

VRH

PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0

VRL

1
2
3
4
5
6
7

8
16
15
14
13
12
11
10

9
17
18
19
25
24
23
22
21
20
26 34

33

32

31

30

29

28

27

42

41

40

39

38

37

36

35

43

45

47

49

44

46

48

50

51

52

68HC811E2

U4

D1
D1
D2
D2

S1
G1
S2
G2

1
2
3
45

6

7

8

SI9933DY

U1

P1-12

P1-19

P1-11

P1-5

P1-13

P1-6

P1-14

P1-15

P1-8

P1-16

R14
27K4

R16
27K4

27K4

R17

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGNDDGND

DGND

+5VD

+5VD

+5VD

+5VD

R15
27K4

+5VD +5VD

+5VD +5VD +5VD

+5VD

DGND

+5VD

+5VD

DGND

DGND

P1-4

27K4

R5

27K4

R3

0R0

R1

27K4

R6

27K4

R4

10K0R23

10K0

R24

10K0

R25

10K0

R26

332R

R32

332R

R31

332R

R30

P1-1

P1-2

P1-4

P1-5

P1-6

P1-8

P1-9

P1-11

P1-12

P1-13

P1-14

P1-16

P1-17

P1-18

P1-19

P1-20

P1-15

C1
100nF

C2
100nF

27K4

R12

27K4

R18

27K4

R19

27K4

R20

+

4.7uF

C8

+

47uF

C5

TP1

+

47uF

C4

IN

GND

RESET

1

2

4

MC33064

U3

DGND

10.0uH

L1

+

47uF

C3

DGND

P1-20

+5VD

P1-12B

1

2

3

4

5

6

P2

1

J2

1

J1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

P1

P1-12B

DGND

LOCK

CLK

ENB

R21
27K4

DGND

R29
27K4

R9
27K4

R28
27K4

27K4

R7

R10
27K4

2

1

8.0 Mhz

X1

R11
10M0

DGND

P2-1

P2-2

P2-3

P2-4

P2-6

1

J3

P1-18

C7
22pF

TP2

P1-2

DGND DGND

R33
332R

R38
27K4

1

J4

+5VD

27K4

R39

+5VD

DGND

PWCTL

DGND

BC817

Q7

DGND

C11
100nF

C10
100nF

C12
100nF

C13
100nF

C14
100nF

DGND

DGND

C6
22pF

BAS16D1

BAS16

D2

BAS16D3

BAS16D4

+5VD

27K4

R40

JU2

DGND

221K0

R41

10uF

C15

DGND

JU1

1

2

3

OP140A

U8

DGND

1

2

3

OP140A

U7

DGND

1

2

3

OP140A

U6

DGND

1

2

3

OP140A

U5

DGND

VCC
OUT
GND

1
2
3

4

U9
OPL550

DGND

P1-17

D

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4-20 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

5 PARTS LISTS

5.1 OS(R/T)-3H 29 - 71.4 MHz Analog Board Electrical Parts List

Ref.
Desig Description Part No.

C1 - C3 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C4 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C5 CAP., SM 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C6 CAP., SM 47uF TANT., 20%, 16V 1055-6D476M16
C7 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C8 CAP., SM 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C9 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C10 CAP., SM 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C11 CAP., SM 1.0uF TANT., 10%, 16V 1055-5A105M16
C12, C13 CAP., SM 4.7uF TANT., 10%, 16V 1055-5B475K16
C14 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C15 CAP., SM 4.7uF TANT., 10%, 16V 1055-5B475K16
C16 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C17 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C18 CAP., SM 47uF TANT., 20%, 16V 1055-6D476M16
C19 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C21 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C20 CAP., SM 4.7uF TANT., 10%, 16V 1055-5B475K16
C22 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C23 CAP., SM, 150pF CER., 0805,C0G 1008-2A151J1G OST-3H035
C23 CAP., SM, 100pF CER., 0805,C0G 1008-2A101J1G OST-3H045
C23 CAP., SM, 56pF CER., 0805, C0G 1008-1A560J1G OSR-3H061
C24 CAP., 1-14pF TRIM., STAND. >6 1082-A1R0014J
C25 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C26 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C27 CAP., SM 4.7uF TANT., 10%, 16V 1055-5B475K16
C28 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C29 CAP., SM 47uF TANT., 20%, 16V 1055-6D476M16
C30 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C31 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C32, C33 CAP., SM, 100uF TANT., 20%,16V 1055-7D107M16
C34 CAP., SM, 56pF CER., 0805, C0G 1008-1A560J1G OST-3H035
C34 CAP., SM, 47pF CER., 0805, C0G 1008-1A470J1G OST-3H045
C34 CAP., SM, 33pF CER., 0805, C0G 1008-1A330J1G OSR-3H061
C35 CAP., SM 10pF CER., 0805, COG 1008-1A100J1G
C36 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C37, C38 CAP., 1.0uF FILM, MMK5, 10%, 63V 1016-6D105K50
C39 CAP., 1.0uF FILM, MMK5,10%,50V 1016-6D105K50
C40 CAP., SM 33pF CER., 0805, COG 1008-1A330J1G
C41 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C42 CAP., 22uF DIP. TANT., 20%, 20V 1054-6G226M20
C43 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C44 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C45 CAP., 470nF FILM, MMK5,10%,63V 1016-5D474K63
C46 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C47 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C48 CAP., 68nF FILM, MMK5, 10%,63V 1016-4A683K63 OST-3H035

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Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz 5-1

D

Ref.
Desig Description Part No.

C48 CAP., 68nF FILM, MMK5, 10%,63V 1016-4A683K63 OST-3H045
C48 CAP., Not Installed Not Installed OSR-3H061
C49 CAP., 22nF FILM, MMK5, 10%,63V 1016-4A223K63
C50 CAP., 22uF DIP. TANT., 20%, 20V 1054-6G226M20
C51 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C52 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C53 CAP., SM, 56pF CER., 0805, C0G 1008-1A560J1G OST-3H035
C53 CAP., SM, 56pF CER., 0805, C0G 1008-1A560J1G OST-3H045
C53 CAP., SM, Not Installed Not Installed OSR-3H061
C54 CAP., 22uF DIP. TANT., 20%, 20V 1054-6G226M20
C55 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C56 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C57 CAP., SM, 15pF CER., 0805, COG 1008-1A150J1G OST-3H035
C57 CAP., SM, 15pF CER., 0805, COG 1008-1A150J1G OST-3H045
C57 CAP., SM, 68pF CER., 0805, C0G 1008-1A680J1G OSR-3H061
C58 CAP., SM, 33pF CER., 0805, C0G 1008-1A330J1G OST-3H035
C58 CAP., SM, 33pF CER., 0805, C0G 1008-1A330J1G OST-3H045
C58 CAP., SM, 68pF CER., 0805, C0G 1008-1A680J1G OSR-3H061
C59 CAP., SM, 33pF CER., 0805, C0G 1008-1A330J1G OST-3H035
C59 CAP., SM, 33pF CER., 0805, C0G 1008-1A330J1G OST-3H045
C59 CAP., SM, 100pF CER., 0805,C0G 1008-2A101J1G OSR-3H061
C61 CAP., SM, 150pF CER., 0805,C0G 1008-2A151J1G OST-3H035
C61 CAP., SM, 100pF CER., 0805,C0G 1008-2A101J1G OST-3H045
C61 CAP., SM, 56pF CER., 0805, C0G 1008-1A560J1G OSR-3H061
C62 CAP., SM, 47pF CER., 0805, C0G 1008-1A470J1G
C63 CAP., SM, 22pF CER., 0805, C0G 1008-1A220J1G
C64 CAP., SM, 12pF CER., 0805, C0G 1008-1A120J1G

D1, D2 DIODE, MMBV609L VARICAP, SOT-23 2106-MMBV609L
D3 DIODE, MMBD701 HOT_CARR. SOT23 2105-MMBD7010
D4 DIODE, BYD17J RECTIFIER, SOD87 2101-BYD17J00
D5 DIODE, BAS16 SWITCHING, SOT23 2100-BAS16000

L1 - L4 CHOKE, RF/MOULD.10uH 10%,.25 1251-4A00100K
L5 INDUCTOR,13.5T/260nH,MOLD.,ORG 1253-A1352603 OST-3H035
L5 INDUCTOR,11.5T/197nH,MOLD.,BRN 1253-A1151971 OST-3H045
L5 INDUCTOR, 9.5T/138nH,MOLD.,WHT 1253-A0951389 OSR-3H061
L6 CHOKE, RF/MOULD.10uH 10%,.25 1251-4A00100K
L7 CHOKE, RF/MOULD.4.7uH 10%,.25 1251-TBA
L8 - L10 CHOKE, RF/MOULD.1.5uH 10%,.25 1251-3A001R5K
L11 INDUCTOR,SM,100nH CER,10%,1008 1256-2BR1000K OST-3H035
L11 INDUCTOR,SM,100nH CER,10%,1008 1256-2BR1000K OST-3H045
L11 INDUCTOR,SM,120nH CER,10%,1008 1256-2BR12OOK OSR-3H061
L12 CHOKE, RF/MOULD.,4.7uH,10%,.25 1251-3A004R7K
L13 INDUCTOR,SM,100nH CER,10%,1008 1256-2BR1000K OST-3H035
L13 INDUCTOR,SM,100nH CER,10%,1008 1256-2BR1000K OST-3H045
L13 INDUCTOR,SM,120nH CER,10%,1008 1256-2BR12OOK OSR-3H061

PCB PCB, ANALOG,OS-3H VHF 30-50MHz 4309-26500382

LED1 LED, SUB-MIN., 2mm SQ,AXIAL,ORG 2012-S229013C

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5-2 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

Ref.
Desig Description Part No.

Q1, Q2 TRANSISTORBC817 NPN, SOT23 2120-BC817025
Q3 TRANSISTORBC807 PNP, SOT23 2120-BC807025
Q4 TRANSISTORBC817 NPN, SOT23 2120-BC817025
Q5 JFET, J211 RF N-CHAN. TO-92 2041-J2110000

RV1 POT., SM 5K0 1T, TOP ADJ 1174-AS2502J1

R1 RES., SM 49R9 0805, 1%,100ppm 1150-1A49R9FP
R2 RES.330R METAL FILM, 5%, 0.5W 1101-2A0331JP
R3, R4 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R5 RES., SM 100R 0805, 1%,100ppm 1150-2A1000FP
R6 RES., SM 1K00 0805, 1%,100ppm 1150-3A1001FP
R7, R8 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R9 RES., SM 1K00 0805, 1%,100ppm 1150-3A1001FP
R10 - R12 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R13 RES., SM 11K8 0805, 1%,100ppm 1150-4A1182FP
R14 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R15 RES., SM 10R0 0805, 1%,100ppm 1150-1A10R0FP
R16, R17 RES., SM, 5K11 0805, 1%,100ppm 1150-3A5111FP
R18, R19 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R20 RES., SM 10R0 0805, 1%,100ppm 1150-1A10R0FP
R21 RES., SM 20K0 0805, 1%,100ppm 1150-4A2002FP
R22 RES., SM, 475R 0805, 1%,100ppm 1150-2A4750FP
R23 - R25 RES., SM 10R0 0805, 1%,100ppm 1150-1A10R0FP
R26 RES.1R2 METAL FILM, 5%, 0.5W 1101-0A01R2JI
R27 RES., SM 15K0 0805, 1%,100ppm 1150-4A1502FP
R28 RES., NOT INSTALLED NOT INSTALLED
R29 RES., SM 18K2 0805, 1%,100ppm 1150-4A1822FP
R30 RES., SM 10R0 0805, 1%,100ppm 1150-1A10R0FP
R31 RES., SM 49R9 0805, 1%,100ppm 1150-1A49R9FP
R32 RES., 15K METAL FILM, 5%, 0.5W 1101-4A0153JP
R33 RES.680R METAL FILM, 5%, 0.5W 1101-2A0681JP
R34, R35 RES.10K0 METAL FILM, 5%, 0.5W 1101-4A0103JP
R36 RES., 2K7 METAL FILM, 5%, 0.5W 1101-3A0272JP
R38 RES., SM 56R2 0805, 1%,100ppm 1150-4A5622FP
R39 RES., SM 0R00 0805, ZERO OHM JUMPER 1150-0A0R0000
R40 RES.180R METAL FILM, 5%, 0.5W 1101-2A0181JP
R41 RES., SM 18R2 0805, 1%,100ppm 1150-1A18R2FP
R44 RES., SM 47R5 0805, 1%,100ppm 1150-1A47R5FP
R45 RES., SM 27R4 0805, 1%,100ppm 1150-1A27R4FP
R46 RES., SM 33R2 0805, 1%,100ppm 1150-1A33R2FP
R47 RES., SM 47R5 0805, 1%,100ppm 1150-1A47R5FP
R48 RES., SM 27R4 0805, 1%,100ppm 1150-1A27R4FP
R49 RES., SM 33R2 0805, 1%,100ppm 1150-1A33R2FP
R50 RES.180R METAL FILM, 5%, 0.5W 1101-2A0181JP
R51 RES.220R METAL FILM, 5%, 0.5W 1101-2A0221JP
R52 RES., SM 49R9 0805, 1%,100ppm 1150-1A49R9FP
R53 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R54 RES., SM 18R2 0805, 1%,100ppm 1150-1A18R2FP
R55 R56 RES., SM 274 0805, 1%,100ppm 1150-2A2740FP

TCXO1 VTCXO MODULE9.6 MHz 4 PIN, +- 1ppm 2641-09600BM5

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Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz 5-3

D

Ref.
Desig Description Part No.

U1 - U4 DIODE, OPL550 I/R SENSOR,TTL O/P,PLST 2014-1L18230T
U5 LED, OP140A I/R,GaAs,.81 x .23,PLAST. 2013-1G18230A
U6 I.C., LT1129-IS8, PROG. VOLT REG, SO8 2305-11290N08
U7 U8 I.C., LP2951 PROG. VOLT REG, SO-8 2305-29510N08
U9 MOSFET, SI9945DY, N CHAN.,SO-8 2142-SI9945DY
U10 I.C., MC145191, PLL FREQ/SYNTH, SO-20 2355-45191N20
U11 I.C., MSA-0611, MM1C AMP, SOT-143 2354-MSA06110
U15 U16 I.C., MSA-0611, MM1C AMP, SOT-143 2354-MSA06110

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5-4 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

5.2 OS(R/T)-3A 118 – 159.4 MHz Analog Board Electrical Parts List

Ref.
Desig Description Part No.

C1- C3 CAP., SM ,1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C4 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C5 CAP., SM, 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C6 CAP., SM, 47uF TANT., 20%, 16V 1055-6D476M16
C7 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C8 CAP., SM, 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C9 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C10 CAP., SM, 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C11 CAP., SM, 1.0uF TANT., 10%, 16V 1055-5A105M16
C12, C13 CAP., SM, 4.7uF TANT., 10%, 16V 1055-5B475K16
C14 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C15 CAP., SM, 4.7uF TANT., 10%, 16V 1055-5B475K16
C16, C17 CAP., SM ,1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C18 CAP., SM, 47uF TANT., 20%, 16V 1055-6D476M16
C19 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C20 CAP., SM, 4.7uF TANT., 10%, 16V 1055-5B475K16
C21, C22 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C23 CAP., SM, 10pF CER., 0805, C0G 1008-1A100J1G (OST-3A128)
C23 CAP., NOT INSTALLED NOT INSTALLED (OSR-3A149)
C24 CAP., SM ,1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C25 CAP., NOT INSTALLED NOT INSTALLED
C26 CAP., SM ,1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C27 CAP., SM, 4.7uF TANT., 10%, 16V 1055-5B475K16
C28 CAP., SM, 6.8uF TANT., 20%, 10V 1055-5B685M10
C29 CAP., SM, 47uF TANT., 20%, 16V 1055-6D476M16
C30 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C31 CAP., SM ,1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C32, C33 CAP., SM, 100uF TANT., 20%,16V 1055-7D107M16
C34 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C35 CAP., SM, 5.6pF CER., 0805, C0G 1008-0A569D1G
C36 CAP., SM, 3.3pF CER., 0805,C0G 1008-0A339J1G
C37 CAP., 470nF FILM, MMK5,10%,63V 1016-5D474K63 (OST-3A128)
C37 CAP., 1.0uF FILM, MMK5,10%,50V 1016-6D105K50 (OSR-3A149)
C38 CAP., 100nF FILM, MMK5,10%,63V 1016-5A104K63 (OST-3A128)
C38 CAP., 1.0uF FILM, MMK5,10%,50V 1016-6D105K50 (OSR-3A149)
C39 CAP., NOT INSTALLED NOT INSTALLED (OST-3A128)
C39 CAP., 1.0uF FILM, MMK5,10%,50V 1016-6D105K50 (OSR-3A149)
C40 CAP., SM, 8.2pF CER., 0805,C0G 1008-0A829J1G (OSR-3A149)
C40 CAP., NOT INSTALLED NOT INSTALLED (OST-3A128)
C41 CAP., SM, 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C42 CAP., 22uF DIP. TANT., 20%, 20V 1054-6G226M20
C43 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C44 CAP., SM, 330pF CER., 0805, COG 1008-2A331J1G
C45 CAP., 470nF FILM, MMK5,10%,63V 1016-5D474K63 (OSR-3A149)
C45 CAP., 330nF FILM, MMK5,10%,50V 1016-5B334K50 (OST-3A128)
C46 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C47 CAP., SM, 330pF CER., 0805, COG 1008-2A331J1G
C48 CAP., SM, 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C49 CAP., 22nF FILM, MMK5, 10%,63V 1016-4A223K63 (OSR-3A149)
C49 CAP., 2.2nF FILM, MMK5,10%,63V 1016-3A222K63 (OST-3A128)

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Ref.
Desig Description Part No.

C50, C51 CAP., SM, 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C52 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C53 CAP., SM, 27pF CER., 0805, COG 1008-1A270J1G
C58 CAP., SM, 47pF CER., 0805, COG 1008-1A470J1G
C59 CAP., SM, 27pF CER., 0805, COG 1008-1A270J1G
C60 CAP., SM, 2.2uF TANT., 20%, 20V 1055-5B225K20
C61 CAP., SM, 4.7uF TANT., 10%, 16V 1055-5B475K16
C62 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C63 CAP., 680nF FILM, MMK5,10%,50V 1016-5D684K50

D1, D2 DIODE, MMBV609L VARICAP, SOT-23 2106-MMBV609L
D3 DIODE, MMBD701L HOT CARR., SOT23 2105-MMBD7010
D4 DIODE, BYD17J RECTIFIER, SOD87 2101-BYD17J00
D5 DIODE, BAS16 SWITCHING, SOT23 2100-BAS16000
D6, D7 DIODE, SMV1211, VARACTOR,SOT2 2106-SMV12111 (OSR-3A149)
D6 DIODE,SMV1212-4,VARACTOR,SOT23 2106-SMV12124 (OST-3A128)
D7 DIODE, SMV1211, VARACTOR,SOT2 2106-SMV12111 (OSR-3A149)
D7 DIODE, NOT INSTALLED NOT INSTALLED (OST-3A128)

L2, L3 CHOKE, RF/MOULD., 10uH 10%,.25 1251-4A00100K
L4 CHOKE, RF/MOULD., 3.9uH 10%,.25 1251-3A003R9K
L5 BOBBIN 5.5 TURNS, 1.59 mm pitch 5791-A1010300

WIRE, COPPER, 20AWG, SILVER PLD, 10.2cm 7140-30002000 (1pc 10cm, 2pcs 10mm)
L6 – L8 CHOKE, RF/MOULD., 1.5uH 10%,.25 1251-3A001R5K
L11, L12 INDUCTOR, SM, 47nH CER,10%,1008 1256-1B47N00K
L13 CHOKE, RF/MOULD., 1.5uH 10%,.25 1251-3A001R5K

LED1 LED, SUB-MIN.,2mm SQ,AXIAL,ORG 2012-S229013C

PCB PCB, ANALOG,OS-3H AM/WB SYNTH. 4309-26500825

Q1, Q2 TRANSISTOR, BC817 NPN, SOT23 2120-BC817025
Q3 TRANSISTOR, BC807 PNP, SOT23 2120-BC807025
Q4 TRANSISTOR, BC817 NPN, SOT23 2120-BC817025
Q5 JFET, J211 RF, N-CHAN., TO-92A 2041-J2110000
Q6 TRANSISTOR, MMBR901 HIGH FREQ. 2124-MMBR9010

R1 RES., SM, 49R9 0805, 1%,100ppm 1150-1A49R9FP
R2 RES., 330R METAL FILM, 5%, 0.5W 1101-2A0331JP
R3, R4 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R5 RES., SM, 100R 0805, 1%,100ppm 1150-2A1000FP
R6 RES., SM, 1K00 0805, 1%,100ppm 1150-3A1001FP
R7, R8 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R9 RES., SM, 1K00 0805, 1%,100ppm 1150-3A1001FP
R10 – R12 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R13 RES., SM, 11K8 0805, 1%,100ppm 1150-4A1182FP
R14 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R15 RES., SM, 10R0 0805, 1%,100ppm 1150-1A10R0FP
R16, R17 RES., SM, 5K11 0805, 1%,100ppm 1150-3A5111FP
R18, R19 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R20 RES., SM, 10R0 0805, 1%,100ppm 1150-1A10R0FP
R22 RES., SM, 137K0 0805, 1%,100ppm 1150-5A1373FP

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5-6 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

Ref.
Desig Description Part No.

R23 - R25 RES., SM, 10R0 0805, 1%,100ppm 1150-1A10R0FP
R26 RES., 1R2 METAL FILM, 5%, 0.5W 1101-0A01R2JI
R27 RES., SM, 11K8 0805, 1%,100ppm 1150-4A1182FP
R28 RES., SM, 10R0 0805, 1%,100ppm 1150-1A10R0FP
R29 RES., SM, 18K2 0805, 1%,100ppm 1150-4A1822FP
R30 RES., SM, 10R0 0805, 1%,100ppm 1150-1A10R0FP
R31 RES., SM, 100R 0805, 1%,100ppm 1150-2A1000FP
R32 RES., 15K METAL FILM, 5%, 0.5W 1101-4A0153JP (OSR-3A149)
R32 RES., 68K METAL FILM, 5%, 0.5W 1101-4A0683JP (OST-3A128)
R33 RES., 680R METAL FILM, 5%, 0.5W 1101-2A0681JP
R34, R35 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R36 RES., 1K8 METAL FILM, 5%, 0.5W 1101-3A0182JP (OSR-3A149)
R36 RES., 8K2 METAL FILM, 5%, 0.5W 1101-3A0822JP (OST-3A128)
R37, R38 RES., SM, 49K9 0805, 1%,100ppm 1150-4A4992FP
R39 RES., SM, 0R00 0805, ZERO OHM JUMPER 1150-0A0R0000
R40 RES., 330R METAL FILM, 5%,0.5W 1101-2A0391JP
R41 RES., SM, 20K0 0805, 1%,100ppm 1150-4A2002FP
R42, R43 RES., SM, 137K0 0805, 1%,100ppm 1150-5A1373FP
R44 RES., SM, 1K82 0805, 1%,100ppm 1150-3A1821FP
R45 RES., SM, 18R2 0805, 1%,100ppm 1150-1A18R2FP
R46 RES., SM, 475R0 0805, 1%,100ppm 1150-2A4750FP
R53 RES., SM, 137K0 0805, 1%,100ppm 1150-5A1373FP
R57 RES., SM, 274K 0805, 1%, 100ppm 1150-5A2743FP
R58 RES., SM, 825K0 1206, 1%,100ppm 1150-5B8253FP
R59 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R60 RES., SM, 68K1 0805, 1%,100ppm 1150-4A6812FP (OSR-3A149)
R60 RES., SM, 39K2 0805, 1%,100ppm 1150-4A3922FP (OST-3A128)
R61 RES., SM, 20K0 0805, 1%,100ppm 1150-4A2002FP
R62 RES., SM, 4K75 0805, 1%,100ppm 1150-3A4751FP
R63 RES., SM, 10R0 0805, 1%,100ppm 1150-1A10R0FP

RV1 POT., SM, 5K0 1T, TOP ADJ 1174-AS2502J1

TCXO1 VTCXO MODULE9.6 MHz 4 PIN, +- 1ppm 2641-09600BM5

U1 - U4 DIODE, OP950 I/R SENSOR,TTL O/P,PLST TBA
U5 LED, OP140A I/R,GaAs,.81 x .23,PLAST. 2013-1G18230A
U6 IC, LT1129-IS8, PROG. VOLT REG,SO-8 2305-11290N08
U7, U8 IC, LP2951 PROG. VOLT REG, SO-8 2305-29510N08
U9 MOSFET, SI9945DY, N CHAN.,SO-8 2142-SI9945DY
U10 IC, MC145190,PLL FREQ/SYNTH,SO-20 2355-45190N20
U11 IC, MSA-0611, MM1C AMP,SOT-143 2354-MSA06110
U17 IC, LTC1257I 12BIT SER.DA,S0-8 2387-12570N08
U18 IC, PIC12C672 MICROCONTROLLER, SO-8 TBA
U19 IC, MC33172 DUAL OP AMP, SO-8 2302-33172N08
U20 IC, 74HC14 HEX SCHMITT, SO-14 2376-00140N14

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Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz 5-7

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5.3 OS(R/T)-3H 128 - 174 MHz Analog Board Electrical Parts List

Ref.
Desig Description Part No.

C1-C3 CAP., SM, 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C4 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C5 CAP., SM, 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C6 CAP., SM, 47µF TANT., 20%, 16V 1055-6D476M16
C7 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C8 CAP., SM, 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C9 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C10 CAP., SM, 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C11 CAP., SM, 1.0µF TANT., 10%, 16V 1055-5A105M16
C12,C13 CAP., SM, 4.7µF TANT., 10%, 16V 1055-5B475K16
C14 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C15 CAP., SM, 4.7µF TANT., 10%, 16V 1055-5B475K16
C16 CAP., SM, 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C17 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C18 CAP., SM, 47µF TANT., 20%, 16V 1055-6D476M16
C19 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C20 CAP., SM, 4.7µF TANT., 10%, 16V 1055-5B475K16
C21,C22 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C23 CAP., SM, 12pF CER., 0805, COG 1008-1A120J1G (OS-3H141)
C23 CAP., SM, 6.8pF CER., 0805,C0G 1008-0A689J1G (OS-3H162)
C24 CAP., TRIM., 1-14pF STAN. >6T 1082-A1R0014J
C25 CAP., SM, 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R (OS-3H141)
C25 CAP., SM, 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R (OS-3H162)
C26 CAP., SM, 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C27 CAP., SM, 4.7µF TANT., 10%, 16V 1055-5B475K16
C28 CAP., SM, 6.8µF TANT., 20%, 10V 1055-5B685M10
C29 CAP., SM, 47µF TANT., 20%, 16V 1055-6D476M16
C30 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C31 CAP., SM, 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C32, C33 CAP., SM, 100uF TANT., 20%,16V 1055-7D107M16
C34 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C35 CAP., SM, 3.3pF CER., 0805,C0G 1008-0A339J1G (OS-3H141)
C35 CAP., SM, 8.2pF CER., 0805,C0G 1008-0A829J1G (OS-3H162)
C36 CAP., SM, 330pF CER., 0805, COG 1008-2A331J1G
C37 CAP., 1.0µF FILM, MMK5, 10%, 50V 1016-6D105K50 (OS-3H141)
C37 CAP., 1.0µF FILM, MMK5, 10%, 50V 1016-6D105K50 (OS-3H162)
C38 CAP., 1.0µF FILM, MMK5, 10%, 50V 1016-6D105K50 (OS-3H141)
C38 CAP., 470nF FILM, MMK5,10%,63V 1016-5D474K63 (OS-3H162)
C39 CAP., 1.0µF FILM, MMK5, 10%, 63V 1016-6D105K50 (OS-3H141)
C39 CAP., NOT INSTALLED NOT INSTALLED (OS-3H162)
C40 CAP., SM, 12pF CER., 0805, C0G 1008-1A120J1G (OS-3H141)
C40 CAP., SM, 6.8pF CER., 0805,C0G 1008-0A689J1G (OS-3H162)
C42 CAP., 22µF DIP. TANT., 20%, 20V 1054-6G226M20
C43 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C44 CAP., SM, 330pF CER., 0805, COG 1008-2A331J1G
C45 CAP., 470nF FILM, MMK5,10%,63V 1016-5D474K63 (OS-3H141)
C45 CAP., 220nF FILM, MMK5,10%,50V 1016-5A224K50 (OS-3H162)
C46,C47 CAP., SM, 330pF CER., 0805, COG 1008-2A331J1G
C49 CAP., 33nF FILM, MMK5, 10%, 63V 1016-4A333K63 (OS-3H141)
C49 CAP., 22nF FILM, MMK5, 10%, 63V 1016-4A223K63 (OS-3H162)

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5-8 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

Ref.
Desig Description Part No.

C50 CAP., 22µF DIP. TANT., 20%, 20V 1054-6G226M20
C51 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C52 CAP., SM, 330pF CER., 0805, COG 1008-2A331J1G
C53 CAP., SM, 27pF CER., 0805, COG 1008-1A270J1G
C54 CAP., 22µF DIP. TANT., 20%, 20V 1054-6G226M20
C55 CAP., SM, 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C56 CAP., SM, 330pF CER., 0805, COG 1008-2A331J1G
C58 CAP., SM, 47pF CER., 0805, COG 1008-1A470J1G
C59 CAP., SM, 27pF CER., 0805, COG 1008-1A270J1G

D1 DIODE, NOT INSTALLED NOT INSTALLED
D2 DIODE, MMBV609L VARICAP, SOT-23 2106-MMBV609L
D3 DIODE, MMBD701L HOT CARR., SOT23 2105-MMBD7010
D4 DIODE, BYD17J RECTIFIER,SOD87 2101-BYD17J00
D5 DIODE, BAS16 SWITCHING, SOT23 2100-BAS16000

L1-L3 CHOKE, RF/MOULD., 10uH 10%,.25 1251-4A00100K
L4 CHOKE, RF/MOULD., 1.5uH 10%,.25 1251-3A001R5K
L5 BOBBIN, 5.5 TURNS, 1.59 mm pitch 5791-A1010300

WIRE, COPPER, 20AWG, Ag PLATED, 11cm 7140-30002000 (1pc 9cm, 2pcs 1cm)
L6-L10 CHOKE, RF/MOULD., 1.5uH 10%,.25 1251-3A001R5K
L11,L12 INDUCTOR, SM, 47nH CER,10%,1008 1256-1B47N00K
L12 INDUCTOR, SM, 47nH CER,10%,1008 1256-1B47N00K

LED1 LED, SUB-MIN.,2mm SQ,AXIAL,ORG 2012-S229013C

PCB PCB, ANALOG, OS-3H H/P SYNTH. 4309-26500252

Q1,Q2 TRANSISTOR, BC817-25,NPN,SOT23 2120-BC817025
Q3 TRANSISTOR, BC807 PNP, SOT23 2120-BC807025
Q4 TRANSISTOR, BC817 NPN, SOT23 2120-BC817025
Q5 JFET, J211 RF, N-CHAN., TO-92A 2041-J2110000

R1 RES., SM, 49R9 0805, 1%,100ppm 1150-1A49R9FP
R2 RES., 330R METAL FILM, 5%, 0.5W 1101-2A0331JP
R3,R4 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R5 RES., SM, 100R 0805, 1%,100ppm 1150-2A1000FP
R6 RES., SM, 1K00 0805, 1%,100ppm 1150-3A1001FP
R7,R8 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R9 RES., SM, 1K00 0805, 1%,100ppm 1150-3A1001FP
R10-R12 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R13 RES., SM, 11K8 0805, 1%,100ppm 1150-4A1182FP
R14 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R15 RES., SM, 10R0 0805, 1%,100ppm 1150-1A10R0FP
R16, R17 RES., SM, 5K11 0805, 1%,100ppm 1150-3A5111FP
R18, R19 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R20 RES., SM, 10R0 0805, 1%,100ppm 1150-1A10R0FP
R21 RES., SM, 20K0 0805, 1%,100ppm 1150-4A2002FP
R22 RES., SM, 100R 0805, 1%,100ppm 1150-2A1000FP
R23-R25 RES., SM, 10R0 0805, 1%,100ppm 1150-1A10R0FP
R26 RES., 1R2 METAL FILM, 5%, 0.5W 1101-0A01R2JI
R27 RES., SM, 11K8 0805, 1%,100ppm 1150-4A1182FP

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Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz 5-9

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Ref.
Desig Description Part No.

R28 RES., NOT INSTALLED NOT INSTALLED
R29 RES., SM, 18K2 0805, 1%,100ppm 1150-4A1822FP
R30 RES., SM, 10R0 0805, 1%,100ppm 1150-1A10R0FP
R31 RES., SM, 49R9 0805, 1%,100ppm 1150-1A49R9FP
R32 RES., 12K METAL FILM, 5%, 0.5W 1101-4A0123JP (OS-3H141)
R32 RES., 15K METAL FILM, 5%, 0.5W 1101-4A0153JP (OS-3H162)
R33 RES., 680R METAL FILM, 5%, 0.5W 1101-2A0681JP
R34,R35 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R36 RES., 2K2 METAL FILM, 5%, 0.5W 1101-3A0222JP (OS-3H141)
R36 RES., 6K2 METAL FILM, 5%, 0.5W 1101-3A0622JP (OS-3H162)
R39 RES., SM, 0 0805, ZERO OHM JUMPER 1150-0A0R0000
R40 RES., 180R METAL FILM, 5%, 0.5W 1101-2A0181JP
R41 RES., SM, 18R2 0805, 1%,100ppm 1150-1A18R2FP
R44 RES., SM, 47R5 0805, 1%,100ppm 1150-1A47R5FP
R45 RES., SM, 27R4 0805, 1%,100ppm 1150-1A27R4FP
R46 RES., SM, 33R2 0805, 1%,100ppm 1150-1A33R2FP
R47 RES., SM, 47R5 0805, 1%,100ppm 1150-1A47R5FP
R48 RES., SM, 47R5 0805, 1%,100ppm 1150-1A47R5FP
R49 RES., SM, 10R0 0805, 1%,100ppm 1150-1A10R0FP
R50 RES., 180R METAL FILM, 5%, 0.5W 1101-2A0181JP
R51 RES., 220R METAL FILM, 5%, 0.5W 1101-2A0221JP
R52 RES., SM, NOT INSTALLED. NOT INSTALLED
R53 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R54 RES., SM, 18R2 0805, 1%,100ppm 1150-1A18R2FP
R55 RES., SM, 274 0805, 1%,100ppm 1150-2A2740FP
R56 RES., SM, 274 0805, 1%,100ppm 1150-2A2740FP

RV1 POT., SM, 5K0 1T, TOP ADJ 1174-AS2502J1

TCXO1 VTCXO MODULE, 9.6 MHz 4 PIN, +- 1ppm 2641-09600BM5

U1-U4 DIODE, I/R SENSOR,TTL O/P,PLST 2014-1L18230T
U5 LED, I/R,GaAs,.81 x .23,PLAST. 2013-1G18230A
U6 I.C., LT1129-IS8 ,PROG. VOLT REG,SO8 2305-11290N08
U7,U8 I.C., LP2951 PROG. VOLT REG, SO-8 2305-29510N08
U9 MOSFET, SI9945DY, N CHAN.,SO-8 2142-SI9945DY
U10 IC, 45191,PLL FREQ/SYNTH,SO-20 2355-45191N20
U11 IC, MSA-0611, MM1C AMP,SOT-143 2354-MSA06110
U15,U16 IC, MSA-0611, MM1C AMP,SOT-143 2354-MSA06110

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5-10 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

5.4 OS(R/T)-3H 406 - 470 MHz Analog Board Electrical Parts List

Ref.
Desig Description Part No.

C1 - C3 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C4 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C5 CAP., SM 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C6 CAP., SM 47uF TANT., 20%, 16V 1055-6D476M16
C7 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C8 CAP., SM 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C9 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C10 CAP., SM 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C11 CAP., SM 1.0uF TANT., 10%, 16V 1055-5A105M16
C12, C13 CAP., SM 4.7uF TANT., 10%, 16V 1055-5B475K16
C14 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C15 CAP., SM 4.7uF TANT., 10%, 16V 1055-5B475K16
C16 CAP., 100nF FILM, MMK5, 10%, 63V 1016-5A104K63
C17 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C18 CAP., SM 47uF TANT., 20%, 16V 1055-6D476M16
C19 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C20 CAP., SM 4.7uF TANT., 10%, 16V 1055-5B475K16
C21, C22 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C25, C26 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C27 CAP., SM 4.7uF TANT., 10%, 16V 1055-5B475K16
C29 CAP., SM 47uF TANT., 20%, 16V 1055-6D476M16
C30 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C31 CAP., SM 1.0nF CER., 0805, X7R, 50V 1008-3A102K5R
C32, C33 CAP., SM, 100uF TANT., 20%,16V 1055-7D107M16
C34 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C35 CAP., SM 100pF CER., 0805, COG 1008-2A101J1G
C36 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C37 CAP., 1.0uF FILM, MMK5,10%,50V 1016-6D105K50
C38 CAP., NOT INSTALLED NOT INSTALLED OST-3H440
C38 CAP., 1.0uF FILM, MMK5,10%,50V 1016-6D105K50 OSR-3H440
C39 CAP., NOT INSTALLED NOT INSTALLED OST-3H440
C39 CAP., 1.0uF FILM, MMK5,10%,50V 1016-6D105K50 OSR-3H440
C42 CAP., 22uF DIP. TANT., 20%, 20V 1054-6G226M20
C43 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C44 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C45 CAP., 220nF FILM, MMK5,10%,50V 1016-5A224K50 OST-3H440
C45 CAP., 470nF FILM, MMK5,10%,50V 1016-5C474K50 OSR-3H440
C46 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C47 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C49 CAP., 22nF FILM, MMK5, 10%,63V 1016-4A223K63 OST-3H440
C49 CAP., 33nF FILM, MMK5, 10%,63V 1016-4A333K63 OSR-3H440
C50 CAP., 22uF DIP. TANT., 20%, 20V 1054-6G226M20
C51 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C52 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C53 CAP., SM, 10pF CER., 0805, C0G 1008-1A100J1G
C54 CAP., 22uF DIP. TANT., 20%, 20V 1054-6G226M20
C55 CAP., SM 10nF CER, 0805, X7R, 50V 1008-4A103K5R
C56 CAP., SM 330pF CER., 0805, COG 1008-2A331J1G
C58 CAP., SM, 15pF CER., 0805, C0G 1008-1A150J1G
C59 CAP., SM, 10pF CER., 0805, C0G 1008-1A100J1G

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Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz 5-11

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Ref.
Desig Description Part No.

C60 CAP., 100nF FILM, MMK5, 10%, 63V 1016-5A104K63 OST-3H440
C60 CAP., NOT INSTALLED NOT INSTALLED OSR-3H440

D4 DIODE, BYD17J RECTIFIER,SOD87 2101-BYD17J00
D5 DIODE, BAS16 SWITCHING, SOT23 2100-BAS16000

L1 - L3 CHOKE, RF/MOULD.10uH 10%,.25 1251-4A00100K
L6 - L10 CHOKE, RF/MOULD.1.5uH 10%,.25 1251-3A001R5K
L11 L12 INDUCTOR, SM18nH CER,10%,1008 1256-1B18N00K

LED1 LED, SUB-MIN.,2mm SQ,AXIAL,ORG 2012-S229013C

PCB PCB, ANALOG, OS-3H UHF SYNTH. 4309-27500282

Q1, Q2 TRANSISTOR, BC817 NPN, SOT23 2120-BC817025
Q3 TRANSISTOR, BC807 PNP, SOT23 2120-BC807025
Q4 TRANSISTOR, BC817 NPN, SOT23 2120-BC817025

R1 RES., SM 49R9 0805, 1%,100ppm 1150-1A49R9FP
R2 RES.330R METAL FILM, 5%, 0.5W 1101-2A0331JP
R3 R4 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R5 RES., SM 100R 0805, 1%,100ppm 1150-2A1000FP
R6 RES., SM 1K00 0805, 1%,100ppm 1150-3A1001FP
R7 R8 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R9 RES., SM 1K00 0805, 1%,100ppm 1150-3A1001FP
R10 - R12 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R13 RES., SM 11K8 0805, 1%,100ppm 1150-4A1182FP
R14 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R15 RES., SM 10R0 0805, 1%,100ppm 1150-1A10R0FP
R16, R17 RES., SM, 5K11 0805, 1%,100ppm 1150-3A5111FP
R18, R19 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R21 RES., 2K7 METAL FILM, 5%, 0.5W 1101-3A0272JP OST-3H440
R21 RES., NOT INSTALLED NOT INSTALLED OSR-3H440
R23 RES., SM 10R0 0805, 1%,100ppm 1150-1A10R0FP
R24, R25 RES., SM 10R0 0805, 1%,100ppm 1150-1A10R0FP
R26 RES.1R2 METAL FILM, 5%, 0.5W 1101-0A01R2JI
R28 RES., SM 10R0 0805, 1%,100ppm 1150-1A10R0FP
R29 RES., SM 36K5 0805, 1%,100ppm 1150-4A3652FP
R30 RES., SM 10R0 0805, 1%,100ppm 1150-1A10R0FP
R31 RES., SM 274R 0805, 1%,100ppm 1150-2A2740FP
R32 RES., 4K7 METAL FILM, 5%, 0.5W 1101-3A0472JP OSR-3H440
R32 RES., 5K6 METAL FILM, 5%, 0.5W 1101-3A0562JP OST-3H440
R33 RES.680R METAL FILM, 5%, 0.5W 1101-2A0681JP
R34, R35 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R36 RES., 2K2 METAL FILM, 5%, 0.5W 1101-3A0222JP OST-3H440
R36 RES., 1K5 METAL FILM, 5%, 0.5W 1101-3A0152JP OSR-3H440
R39 RES., SM 0R0 0805, ZERO OHM JUMPER 1150-0A0R0000
R40 RES.180R METAL FILM, 5%, 0.5W 1101-2A0181JP
R41 RES., SM 18R2 0805, 1%,100ppm 1150-1A18R2FP
R44 RES., SM 47R5 0805, 1%,100ppm 1150-1A47R5FP
R45 RES., SM 27R4 0805, 1%,100ppm 1150-1A27R4FP
R46 RES., SM 33R2 0805, 1%,100ppm 1150-1A33R2FP

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5-12 Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz

Ref.
Desig Description Part No.

R47 RES., SM 47R5 0805, 1%,100ppm 1150-1A47R5FP
R48 RES., SM 27R4 0805, 1%,100ppm 1150-1A27R4FP
R49 RES., SM 33R2 0805, 1%,100ppm 1150-1A33R2FP
R50 RES.180R METAL FILM, 5%, 0.5W 1101-2A0181JP
R51 RES.220R METAL FILM, 5%, 0.5W 1101-2A0221JP
R52 RES., SM 49R9 0805, 1%,100ppm 1150-1A49R9FP
R53 RES., SM 10K0 0805, 1%,100ppm 1150-4A1002FP
R54 RES., SM 18R2 0805, 1%,100ppm 1150-1A18R2FP
R55, R56 RES., SM 274R 0805, 1%,100ppm 1150-2A2740FP
R57 RES., SM 18R2 0805, 1%,100ppm 1150-1A18R2FP
R58 RES., SM 274R 0805, 1%,100ppm 1150-2A2740FP

RV1 POT., SM5K0 1T, TOP ADJ 1174-AS2502J1

TCXO1 VTCXO MODULE 9.6 MHz 4 PIN, +- 1ppm 2641-09600BM5

U1 - U4 DIODE, OPL550 I/R SENSOR,TTL O/P,PLST 2014-1L18230T
U5 LED, OP140A I/R,GaAs,.81 x .23,PLAST. 2013-1G18230A
U6 I.C., LT1129-IS8,PROG. VOLT REG, SO8 2305-11290N08
U7, U8 I.C.LP2951 PROG. VOLT REG, SO-8 2305-29510N08
U9 MOSFET, SI9945DY, N CHAN.,SO-8 2142-SI9945DY
U10 I.C., MC14519, PLL FREQ/SYNTH, SO-20 2355-45190N20
U11 I.C., MSA-0611, MM1C AMP, SOT-143 2354-MSA06110
U15, U16 I.C., MSA-0611, MM1C AMP, SOT-143 2354-MSA06110

U17 VCO MODULE,427.4-451.4MHz,T-PK 2621-L002309T OSR-3H440
U17 VCO MODULE, 406-470 MHz,T-PKG. 2621-190435MT OST-3H440

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5.5 OS(R/T)-3(A/H) Digital Board Electrical Parts List

Ref.
Desig Description Part No.

C1,C2 CAP., SM, 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C3-C5 CAP., SM, 47µF TANT., 20%, 16V 1055-6D476M16
C6,C7 CAP., SM, 22pF CER., 0805, COG 1008-1A220J1G
C8 CAP., SM, 4.7µF TANT., 10%, 16V 1055-5B475K16
C9-C14 CAP., SM, 100nF CER., 0805, X7R, 50V 1008-5A104K5R
C15 CAP., SM, 10µF TANT., 20%, 16V 1055-6C106M16

P1 INTERCONNECT/STD,1ROW x 12P,Au 5015-IS112G21

INTERCONNECT/STD,1ROW x9PIN,Au 5015-IS109G21

P2 INTERCONNECT/STD,1ROW x6PIN,Au 5015-IS106G21

D1 - D4 DIODE, BAS16 SWITCHING, SOT23 2100-BAS16000

L1 INDUCTOR, SM, 10.0uH, 10%,1812 1255-4G10000K

PCB PCB, DIGITAL, OS-3H H/P SYNTH. 4309-26500213

Q1 - Q11 TRANSISTOR, BC817-25,NPN,SOT23 2120-BC817025

R1 RES., SM, 0 0805, ZERO OHM JUMPER 1150-0A0R0000
R2-R7 RES., SM, 47K5 0805, 1%,100ppm 1150-4A4752FP
R8 RES., SM, 6K81 0805, 1%,100ppm 1150-3A6811FP
R9,R10 RES., SM, 47K5 0805, 1%,100ppm 1150-4A4752FP
R11 RES., SM, 10M0 1206, 5%,400ppm 1151-7B0106JG
R12-R22 RES., SM, 47K5 0805, 1%,100ppm 1150-4A4752FP
R23-R26 RES., SM, 10K0 0805, 1%,100ppm 1150-4A1002FP
R27-R29 RES., SM, 47K5 0805, 1%,100ppm 1150-4A4752FP
R30-R33 RES., SM, 332R 0805, 1%,100ppm 1150-2A3320FP
R34-R40 RES., SM, 47K5 0805, 1%,100ppm 1150-4A4752FP
R41 RES., SM, 221K 0805, 1%, 100ppm 1150-5A2213FP

U1 MOSFET, SI9933DY, P CHAN.,SO-8 2142-SI9933DY
U2 IC, LP2951,PROG. VOLT REG,SO-8 2305-29510N08
U3 IC, MC33064,UNDR/VOLT SEN.SO-8 2308-33064N08
U4 IC, 68HC811E2, MIC/CTR, PLCC52 2380-68811P52
U5-U8 LED, I/R,GaAs,.81 x .23,PLAST. 2013-1G18230A
U9 DIODE, I/R SENSOR,TTL O/P,PLST 2014-1L18230T

X1 RESONATOR, SM, 8.0MHz, CERAMIC 1575-8001816A

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5.6 OS(R/T)-3(A/H) Synthesizer Mechanical Parts List

Description Part No. Qty.

CASE, OS-3H SYNTH. MODULE,ALUM 3702-66100920 1

CONN., SMB, JACK,2 HOLE FLANGE 5120-J2SC01BG 2

FERRITE, BEAD,73 MIX, 3X3.5mm OD (CON3-CON5) 1210-73030350 3 OS-3H050
FERRITE, BEAD,43 MIX, 3X3.5mm OD (CON3-CON5) 1210-43030350 3 OS-3A130
FERRITE, BEAD,43 MIX, 3X3.5mm OD (CON3-CON5) 1210-43030350 3 OS-3H150
FERRITE, BEAD,61 MIX, 3X3.5mm OD (CON3-CON5) 1210-61030350 3 OS-3H440

HEADER, .1”, 1 ROWX3PIN, AU 5010-H103ST7L 2

LABEL, FOIL,FRQ/SN,OS-3H SYNTH 3501-13091006 1

LID, CASE,OS-3H SYNTH/MODL.,AL 3702-66100921 1

PIN, 2 x 10mm, GROOVED W/PILOT 5876-D1470210 4

SCREW, M2.0 x 4, FLAT/PHIL, A2 5812-2M0FP04S 8
SCREW, M2 X 4, PAN/PHILLIPS,A2 5812-2M0PP04S 15
SCREW, M2.5 x 24.5 FLAT/PHIL, A2 5812-2M5FP24S 1

WASHER, TFE,0.036ID,1/8OD,.02T 5805-T3612F20 6

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6 REVISION HISTORY

ISSUE DATE REVISION

1 May 97 • Issue 1

2 Mar 98 • Changes to the AM Analog board (OST-3A128) to improve performance

ECO #547.
C37 was 220nF is now 100nF and C40 was 8.2pF is now not installed
C45 was 33nF is now 22nF and C49 was 2.2nF is now 1.5nF
R32 was 33kΩ is now 56kΩand R36 was 3k3Ω is now 5k6Ω

3 Mar 00 • Changes to the AM Analog board to improve performance at -40˚C.

ECO #565.
L4 was 1.5µH is now 3.9 µH

• Changes to the FM Analog boards to improve manufacturing. ECO #572
C32 & C33 were 100µF through hole tantalums are now 100µF surface
mount tantalums

• Changes to the OS-3A/H Digital board for compatibility with the new AM
wideband Synthesizers. ECO #579.
Added C15 (10µF) and R41 (221kΩ).
JU1 was added and is installed for AM modules only.
PCB, DIGITAL, OS-3H/P SYNTH was version 2 now version 3.

• Added the new component layouts, schematic diagram and parts lists for
the new AM wideband synthesizer. Wideband referring to only having to
be tune once and working over the whole AM band (118-138 MHz).

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