HEI GL3361 Datasheet
GL3361
GL3361
Low Power Narrow Band FM IF
Description
The GL3361 is designed for use in FM dual conversion
communications equipment. This device contains an Oscillator, Mixer, Limiting Amplifier, Filter Amplifier and
Squelch circuitry.
Features
• Operating Voltage : 2.0 ~ 8.0 V
• Low Power Consumption (2.6mA typical @ Vcc=4.0Vdc)
• Excellent Input Sensitivity (-3dB limiting=2.6§Å typical)
• Minimum Number of External Parts Required
• Full ESD Protection
• Package Type : 16 DIP/SOP
Block Diagram
IF
input GND Mute
16 15 14
Scan
control
13 12 11 10 9
Squelch
input
Pin Configurations
VCC
1
2
3
4
5
6
7
8
Filter
input
Audio
output
OSC1
OSC2
MIXOUT
LIMIN
DEC1
DEC2
QUAD
Filter
output
16
15
14
13
12
11
10
9
MIXIN
GND
MUTE
SCAN
SQIN
FLTOUT
FLTIN
AFOUT
-
Filter
Amp
+
Oscillator
1
Crystal OSC
Squelch Trigger with Hysteresis
Mixer
2 3 4 5
Mixer
output
Vcc Limiter
input
Limiter
Amp
6
Decoupling
The information in this document is subject to change without notice.
1
Demodulator
7
Amp
AF
8
Quad
coil
Absolute Maximum Ratings (Ta=25¡É, unless otherwise noted)
Characteristics Pin
Symbol
Value
GL3361
Unit
Power Supply Voltage
Operating Supply Voltage Range
Operating Temperature Range
Storage Temperature Range
* Notice : Absolute maximum ratings are values beyond which permanent damage to the device may occur.
4
4
-
-
Vcc(max)
Vcc
Ta
Tstg
10
2.0 to 8.0
0 to +70
-65 to +150
Electrical Characteristics
( Vcc=4.0Vdc, fo=10.7MHz,¡âf=¡¾3kHz,fmod=1.0kHz,Ta=25¡É, unless otherwise noted )
Spec.
Characteristics
Operating Current ( No signal )
Recovered Audio Output Voltage
Input Limiting Voltage
Total Harmonic Distortion
Drop Voltage AF Gain Loss
Symbol
Icc_off
Icc_on
Vout
Vin(lim)
THD
¡âGv Vcc = 4V -> 2V
Test conditions
Squelch on ( V12=GND )
Squelch off ( V12=1V )
Vin = 10mVrms
-3dB limiting
Min Typ Max
2.0 2.5 3.5
4.2 5.2 6.2
120 160 -
- 2.6 6.0
- 0.86 -
-3.0 -0.6 -
Vdc
Vdc
¡É
¡É
Units
mA
mA
§Ærms
§Årms
%
dB
Detector Output Impedance
Filter Gain
Filter Output Voltage
Mute Function Low
Mute Function High
Scan Function Low
Scan Function High
Trigger Hysteresis
Mixer Conversion Gain
Mixer Input Resistance
Mixer Input Capacitance
Zout
Gflt Vin = 0.3mVrms
Vflt
Rmute_L Squelch on ( V12 = GND )
Rmute_H
Vscan_L
Vscan_H
VTH
Gmix - 26 -
Ri
Ci
Squelch off ( V12 = 1V )
Squelch off ( V12 = 1V )
Squelch on ( V12 = GND )
Squelch on/off
- 550 -
40 50 -
0.5 0.7 0.9
- 45 -
- 11 -
- 0 0.4
3.0 3.8 -
- 50 -
- 3.3 -
- 9.0 -
2
§Ù
dB
Vdc
§Ù
§Û
V
V
mV
dB
§Ú
pF
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