Motorola MC3361BP, MC3361BD Datasheet

Order this document by MC3361B/D

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The MC3361B includes an Oscillator, Mixer, Limiting Amplifier,
Quadrature Discriminator, Active Filter, Squelch, Scan Control and Mute
Switch. This device is designed for use in FM dual conversion
communications equipment.

• Operates from 2.0 to 8.0 V Supply

• Low Drain Current 3.9 mA Typical @ V

• Excellent Sensitivity: Input Limiting Voltage –3.0 dB = 2.6 µV Typical

• Low Number of External Parts Required

• Operating Frequency Up to 60 MHz

= 4.0 Vdc

CC



LOW POWER

NARROWBAND FM IF

SEMICONDUCTOR

TECHNICAL DATA

16

1

P SUFFIX

PLASTIC PACKAGE

CASE 648

Not Recommended for New Design

Mixer

Input

16

Oscillator

Crystal

Representative Block Diagram

Squelch

Scan

Control

MuteGnd

15

Squelch Trigger with

Hysteresis

Mixer

1.8 k

Mixer

Osc

Output

This device contains 92 active transistors.

V

CC

In

Limiter

Input

Output

Limiter
Amp

1.8 k

Filter

Filter
Amp

50 k

654321

Decoupling

Recovered

Filter
Input

–

+

Demodulator

10 pF
52 k

Audio

9101114 13 12

AF
Amp

87

Quad

Coil

Crystal Osc

Mixer Output

Limiter Input

Decoupling

Quad Coil

ORDERING INFORMATION

Device

MC3361BD
MC3361BP

16

1

D SUFFIX

PLASTIC PACKAGE

CASE 751B

(SO–16)

PIN CONNECTIONS

116
2
3
4

V

CC

5
6
7
8

(Top View)

Operating

Temperature Range

TA = –30 to 70°C

15
14
13
12
11
10

9

Mixer Input
Ground
Audio Mute
Scan Control
Squelch Input
Filter Output
Filter Input

Demodulator
Output

Package

SO–16

Plastic DIP

MOTOROLA RF/IF DEVICE DATA

 Motorola, Inc. 1999 Rev 1

1

MC3361B

Squelch Off

2.9

3.9

4.9

MAXIMUM RATINGS (T

Rating Pin Symbol Value Unit

Power Supply Voltage 4 VCC(max) 10 Vdc
Operating Supply Voltage Range 4 V
Detector Input Voltage 8 – 1.0 V
Input Voltage (VCC q 4.0 V) 16 V
Mute Function 14 V
Junction Temperature – T
Operating Ambient Temperature Range – T
Storage Temperature Range – T

NOTES: 1. Maximum Ratings are those values beyond which damage to the device may occur .

Functional operation should be restricted to the limits in the Electrical Characteristics
tables or Pin Descriptions section.

2.ESD data available upon request.

ELECTRICAL CHARACTERISTICS (V

unless otherwise noted.)

Drain Current (No Signal)

Recovered Audio Output Voltage (Vin = 10 mVrms) 9 130 160 200 mVrms
Input Limiting Voltage (–3.0 dB Limiting) 16 – 2.6 6.0 µV
Total Harmonic Distortion 9 – 0.86 – %
Recovered Output Voltage (No Input Signal) 9 60 120 250 mVrms
Drop Voltage AF Gain Loss 9 –3.0 –0.6 – dB
Detector Output Impedance – – 450 – Ω
Filter Gain (10 kHz) (Vin = 0.3 mVrms) – 40 50 – dB
Filter Output Voltage 11 1.0 1.3 1.6 Vdc
Mute Function Low 14 – 30 50 Ω
Mute Function High 14 1.0 11 – MΩ
Scan Function Low (Mute “Off”) (V12 = 1.0 Vdc) 13 – 0 0.4 Vdc
Scan Function High (Mute “On”) (V12 = Gnd) 13 3.0 3.5 – Vdc
Trigger Hysteresis – – 45 100 mV
Mixer Conversion Gain 3 – 28 – dB
Mixer Input Resistance 16 – 3.3 – kΩ
Mixer Input Capacitance 16 – 2.2 – pF

= 25°C, unless otherwise noted.)

A

= 4.0 Vdc, fo = 10.7 MHz, ∆f = ± 3.0 kHz, f

CC

Characteristic

CC

16
14

J

A

stg

Squelch “On”

2.0 to 8.0 Vdc

1.0 V

–0.5 to 5.0 V

150 °C

–30 to 70 °C

–65 to 150 °C

“

”

rms

Pin Min Typ Max Unit

4

pp

pk

= 1.0 kHz, TA = 25°C,

mod

4.4

5.4

mA

6.4

2

MOTOROLA RF/IF DEVICE DATA

MC3361B

Figure 1. T est Circuit

V

CC

muRata

CFU455D2

0.1

10.245 MHz

220 pF

FL1

0.1

0.1

20 k

1

68 pF

2

3

4

5

6

7

8

Quad Coil

0.01

16

51

15

14

13

0.01

10 k

+

1.0

MC3361B

FL1 – muRata Erie North America CFU455D2 or equivalent
Quadrature Coil – Toko America Type 7MC–8128Z or equivalent
C –

SQ SW Input

12

11

470 k

10

8.2 k

9

µ

F, unless noted

1.0

+

510

Mixer Input

10.7 MHz

Audio Mute

Scan Control

Filter Amp Out

Filter Amp In

AF Output

Figure 2. Audio Output, Distortion

versus Supply V oltage

190

TA = 25°C

180
170
160
150

140

AUDIO OUTPUT (mVrms)

130
120
110

2.0
VCC, SUPPLY VOLTAGE (V)

MOTOROLA RF/IF DEVICE DATA

Audio Output

Distortion

Figure 3. Audio Output, Distortion

versus T emperature

AUDIO OUTPUT DISTORTION (%)

240
220
200
180

160
140

AUDIO OUTPUT (mVrms)

120
100

80

VCC = 4.0 V

TA, AMBIENT TEMPERATURE (

Audio Output

Distortion

0

20

8.0

7.0

6.0

5.0

4.0

3.0

2.0
AUDIO OUTPUT DISTORTION (%)

1.0

40–20 80–40

60

°

C)

0

8.0

7.0

6.0

5.0

4.0

3.0

2.0

1.0

8.06.04.0

0

3