Multitone FLA 872 Technical Manual page 54

TLA 852/FLA 872
COMPONENT
TR401
TR402
TR403
TR404
TR406
TR410
TR415
TR416
NOTE: All radio board measurements were taken with the receiver turned on. The battery
terminal voltage was 1.4 volts, the 1 volt line was 1.019 volts and battery economy was
disabled. Voltages may vary by ±20mV.
TEST POINT
401
402
403
404
405
406
414
416
418
Page 5 - 14
Table 5.1: Radio Board DC Voltage Levels
COLLECTOR BASE
0.29 0.73
0.87 1.02
0.845 0.678
0.733 0.015
1.018 0.791
0.95 0.937
1.4 -
1.4 -
Table 5.2: Radio Board Test Points
DESCRIPTION
SINAD Output
Radio Supply
RSSI (AGC)
Radio Ground
Second IF
Radio Ground
Radio Ground
Radio Ground
EMITTER
0
0.29
0
0
1.4
0.264
0
0
Battery +
COMMENTS
RF Amplifier
RF Amplifier
First Mixer
AGC Switch
1V Series Regulator
First Local Oscillator
Beep Enable
Transducer Driver
VOLTAGE / SIGNAL
0.56Volts
1Volt
0.060Volts
0Volts
455kHz
0Volts
0Volts
1.4Volts
0Volts
TM1205 Issue 2