GL3361
GL3361
Low Power Narrow Band FM IF
Pin Configurations
Description
The GL3361 is designed for use in FM dual conversion
communications equipment. This device contains an Os-
cillator, Mixer, Limiting Amplifier, Filter Amplifier and
OSC1 1
Squelch circuitry.
OSC2
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
MIXIN
GND
MUTE
SCAN
SQIN
FLTOUT
FLTIN
AFOUT
Features
MIXOUT
• Operating Voltage : 2.0 ~ 8.0 V
• Low Power Consumption (2.6mA typical @ Vcc=4.0Vdc)
VCC
• Excellent Input Sensitivity (-3dB limiting=2.6§
Å
typical)
LIMIN
• Minimum Number of External Parts Required
DEC1
• Full ESD Protection
• Package Type : 16 DIP/SOP
DEC2
QUAD
Block Diagram
IF
input
16
GND
15
Mute
14
Scan
control
13
Squelch Filter
input
output
12
11
Filter
Amp
Filter
input
10
-
+
Audio
output
9
AF
Amp
Squelch Trigger with Hysteresis
Demodulator
Mixer
Limiter
Amp
Oscillator
1
2
3
Mixer
output
4
Vcc
5
Limiter
input
6
7
8
Crystal OSC
Decoupling
Quad
coil
The information in this document is subject to change without notice.
1
HYNIX [ HYNIX SEMICONDUCTOR ]
