Tait TM9100 - RF Voltages Along Initial RF Signal Path of UHF Radio (H7 Band)

TM9100 Service Manual Transmitter Fault Finding (50W/40W Radios) 297
© Tait Electronics Limited August 2005
Table 11.10 RF voltages along the initial RF signal path of the UHF radio (H7 band)
Power
level (W)
Frequency
(MHz)
RF voltages (V)
Synthesizer
output
Exciter
stage 1
Exciter
stage 2
Exciter
stage 3
Driver
output
10 450
485
520
0.2 ± 0.1
0.2 ± 0.1
0.2 ± 0.1
1.1 ± 0.2
1.0 ± 0.2
1.2 ± 0.2
2.2 ± 0.5
1.9 ± 0.5
0.9 ± 0.5
5.7 ± 0.5
3.4 ± 0.5
2.4 ± 0.5
2.5 ± 0.5
2.0 ± 0.5
0.9 ± 0.5
15 450
485
520
0.2 ± 0.1
0.2 ± 0.1
0.2 ± 0.1
1.1 ± 0.2
1.0 ± 0.2
1.2 ± 0.2
2.2 ± 0.5
1.9 ± 0.5
0.9 ± 0.5
5.7 ± 0.5
3.4 ± 0.5
2.4 ± 0.5
3.1 ± 0.5
2.4 ± 0.5
1.1 ± 0.5
20 450
485
520
0.2 ± 0.1
0.2 ± 0.1
0.2 ± 0.1
1.1 ± 0.2
1.0 ± 0.2
1.2 ± 0.2
2.2 ± 0.5
1.9 ± 0.5
0.9 ± 0.5
5.7 ± 0.5
3.4 ± 0.5
2.4 ± 0.5
3.6 ± 0.5
2.9 ± 0.5
1.4 ± 0.5
40 450
485
520
0.2 ± 0.1
0.1 ± 0.1
0.1 ± 0.1
1.1 ± 0.2
1.0 ± 0.2
1.2 ± 0.2
2.2 ± 0.5
1.9 ± 0.5
0.9 ± 0.5
5.7 ± 0.5
3.4 ± 0.5
2.4 ± 0.5
3.8 ± 0.5
3.2 ± 0.5
1.5 ± 0.5
60 450
485
520
0.2 ± 0.1
0.2 ± 0.1
0.2 ± 0.1
1.1 ± 0.2
1.0 ± 0.2
1.2 ± 0.2
2.2 ± 0.5
1.9 ± 0.5
0.9 ± 0.5
5.7 ± 0.5
3.4 ± 0.5
2.4 ± 0.5
7.8 ± 0.5
4.8 ± 0.5
2.8 ± 0.5