Q-Tech QTV726 User Manual

GENERAL RELEASE DOCUMENT

CONSULT FACTORY FOR CURRENT REVISION

REVISIONS

REVISION

DESCRIPTION

APPROVED

DATE

1.0

preliminary

Luis Vargas

8/13/2010

SPECIFICATION CONTROL DRAWING

Q-TECH CORPORATION

10150 W. JEFFERSON BLVD.

CULVER CITY, CA 90232-3510

PREPARED BY:

Luis Vargas

DATE

813/10

LOW PROFILE 32 PIN FLAT PACK HYBRID CRYSTAL

OSCILLATOR, VCXO, CLASS S,

Standard Design For Sine Wave up to 225 MHz

UNLESS OTHERWISE

SPECIFIED, DIMENSIONS

ARE IN INCHES.

TOLERANCES:

3 PLACE DECIMAL = .005

2 PLACE DECIMAL = .02

1 PLACE DECIMAL = .1

FRACTIONS = ± 1/16

ANGLES = 2 DEGREES

CHECKED BY:

QUALITY

DATE

DRAWING NO.:

QTV724, QTV725 and QTV726

Sine-Wave 32 Flat Pack

REVISION

1.0

RELEASED BY:

DOCUMENT CONTROL

APPROVED BY:

ENGINEERING

DATE

SCALE

NONE

SIZE

A

CAGE CODE

51774

SHEET 1 of 7

QTV724, QTV725 and QVT726

Sine-Wave 32 Flat Pack

REV.

Q-TECH Corporation

10150 W. Jefferson Blvd.
Culver City, CA 90232

SIZE

A

CAGE NO.

51774

Sheet 2 of 7

1.0

1.0 SCOPE

This specification establishes the detail requirements for low profile hybrid, hermetically sealed, Sine-

Wave output Voltage Control Crystal Oscillators (VCXO) for use in space flight missions.

2.0 APPLICABLE DOCUMENTS

The following documents of the latest issue form a part of this drawing to the extent specified herein.

2.1

Specifications and Standards

SPECIFICATIONS

MILITARY

MIL-S-19500

Semiconductor Devices, General Specification For

MIL-PRF-55310

Crystal Oscillators, General Specification For

MIL-PRF-38535

Integrated Circuits, (Microcircuits) Manufacturing, General Specification For

MIL-PRF-38534

Hybrid Microcircuits, General Specification For

STANDARDS

MILITARY

MIL-STD-202

Test Methods for Electronic and Electrical Component Parts

MIL-STD-883

Test Methods and Procedures for Microelectronics

MIL-STD-1686

Electrostatic Discharge Control Program for Protection of Electrical and Electronics
Parts, Assemblies and Equipment.

2.2 Conflicting Requirements

In the event of conflict between requirements of this specification and other requirements of the

applicable detail drawing, the precedence in which requirements shall govern, in descending order, is
as follows:

a) Applicable Customer purchase order.

b) Applicable detail drawing.

c) This specification.

d) Other specifications or standards referenced in 2.1 herein.

2.3 Customer Purchase Order Special Requirements

Additional special requirements shall be specified in the applicable Customer purchase order when

additional requirements or modifications specified herein are needed for compliance to special
program or product line requirements.

3.0 PERFORMANCE REQUIREMENTS

3.1 General Definition

The VCXO is a high reliability signal generator that provides a sine-wave output. The VCXO has been

designed to operate in a spaceflight environment with an expected lifetime in excess of 15 years.
Lifetime is defined as the sum of operational and storage environments.

QTV724, QTV725 and QVT726

Sine-Wave 32 Flat Pack

REV.

Q-TECH Corporation

10150 W. Jefferson Blvd.
Culver City, CA 90232

SIZE

A

CAGE NO.

51774

Sheet 3 of 7

1.0

3.1.1 Electrical Characteristics

PARAMETER

SYMBOL

CONDITIONS

VALUE

UNIT

Frequency Nom.

Fo

-

See part number
generation table

MHz

Supply voltage, Nom.

Vs

Vs±5%

See part number
generation table

V

Input Current, max.

Is

Vs, nom. / Ta=+25°C

50

mA

Overall Frequency stability
(including Operating
Temperature, ±5% Load
Change, ±5% Supply
Voltage change, 10 year
aging, and radiation)

Δf/fc (Ta)

Contact factory for other
options available

See part number
generation table

ppm

Voltage Control Range For
Frequency Adjustment
Min.

Vc

DC

See part number
generation table

Volts

Control Voltage at which
fo will occur at 25°C

Vc/fo

DC

½Vc ±0.5

Volts

Frequency)Pulling)range,
Min

Δf/Vc

Over the voltage control range

See part number
generation table

ppm

Linearity, max.

Δf/V

-

10

%

Input impedance, min.

Zin

-

10.0

KΩ

Modulation freq.
bandwidth, min.

MBW (-3dB)

Vs, nom. / Ta=+25°C Vc/fo,
and 50Ω load

10.0

KHz

Output level Min.

Sine Class S, 100 krads (Si)
total dose Min

See part number
generation table

dBm

Harmonics Max.

-20

dBc

Sub-harmonics Max.

-30

dBc

3.2 Absolute Maximum Rating

Supply Voltage

0 to +16.5 VDC

DC Input Current

50 mA maximum

Storage Temperature range

-62°C to +125°C

Lead Temperature (Soldering, 10 seconds)

300°C

3.2.1 Physical Characteristics

3.2.1.1 Dimensions

- The VCXO outline dimensions and terminal connections shall be as shown in Figure 1

herein.

3.2.1.2 Weight

- The VCXO shall weigh less than or equal to 25 grams.

3.2.1.3 Materials

- The VCXO package body and lead finish shall be gold in accordance with MIL-PRF-38534.

3.2.2 Environmental Conditions