Table 12.9 RF voltages along the initial RF signal path of the VHF radio (B1 band)
Power level
Frequency
(W)
(MHz)
1
136
155
174
5
136
155
174
12
136
155
174
26
136
155
174
40
136
155
174
Table 12.10 RF voltages along the initial RF signal path of the VHF radio (C0 band)
Power level
Frequency
(W)
(MHz)
1
174
199.5
225
5
174
199.5
225
12
174
199.5
225
26
174
199.5
225
40
174
199.5
225
TM8100/TM8200 Service Manual
© Tait Electronics Limited November 2007
Synthesizer
Buffer
output
output
0.3 ± 0.1
0.2 ± 0.1
0.3 ± 0.1
0.3 ± 0.1
0.2 ± 0.1
0.2 ± 0.1
0.3 ± 0.1
0.2 ± 0.1
0.2 ± 0.1
0.3 ± 0.1
0.2 ± 0.1
0.2 ± 0.1
0.3 ± 0.1
0.2 ± 0.1
0.2 ± 0.1
0.3 ± 0.1
0.2 ± 0.1
0.3 ± 0.1
0.3 ± 0.1
0.2 ± 0.1
0.2 ± 0.1
0.3 ± 0.1
0.2 ± 0.1
0.3 ± 0.1
0.3 ± 0.1
0.4 ± 0.1
0.2 ± 0.1
0.4 ± 0.1
0.3 ± 0.1
0.3 ± 0.1
Synthesizer
Buffer
output
output
0.4 ± 0.1
0.5 ± 0.1
0.3 ± 0.1
0.6 ± 0.1
0.3 ± 0.1
0.4 ± 0.1
0.5 ± 0.1
0.6 ± 0.1
0.3 ± 0.1
0.7 ± 0.1
0.4 ± 0.1
0.4 ± 0.1
0.4 ± 0.1
0.5 ± 0.1
0.3 ± 0.1
0.7 ± 0.1
0.4 ± 0.1
0.4 ± 0.1
0.5 ± 0.1
0.7 ± 0.1
0.3 ± 0.1
0.8 ± 0.1
0.6 ± 0.1
0.5 ± 0.1
0.4 ± 0.1
0.8 ± 0.1
0.5 ± 0.1
0.9 ± 0.1
0.8 ± 0.1
0.4 ± 0.1
RF voltages (V)
Exciter
output
2.4 ± 0.5
2.5 ± 0.5
2.6 ± 0.5
2.5 ± 0.5
2.6 ± 0.5
2.6 ± 0.5
2.5 ± 0.5
2.6 ± 0.5
2.7 ± 0.5
2.4 ± 0.5
2.4 ± 0.5
2.5 ± 0.5
2.5 ± 0.5
2.5 ± 0.5
2.5 ± 0.5
RF voltages (V)
Exciter
output
3.2 ± 0.5
3.1 ± 0.5
2.6 ± 0.5
2.8 ± 0.5
3.0 ± 0.5
2.6 ± 0.5
2.4 ± 0.5
3.0 ± 0.5
2.6 ± 0.5
2.4 ± 0.5
2.8 ± 0.5
2.4 ± 0.5
2.7 ± 0.5
2.9 ± 0.5
2.8 ± 0.5
Transmitter Fault Finding (25W)
Driver
output
1.8 ± 0.5
1.0 ± 0.5
1.5 ± 0.5
3.0 ± 0.5
1.5 ± 0.5
2.6 ± 0.5
4.2 ± 0.5
2.0 ± 0.5
3.8 ± 0.5
3.3 ± 0.5
1.7 ± 0.5
4.5 ± 0.5
8.2 ± 0.5
5.5 ± 0.5
7.7 ± 0.5
Driver
output
1.5 ± 0.1
1.9 ± 0.1
1.3 ± 0.1
3.0 ± 0.1
3.6 ± 0.1
2.7 ± 0.1
4.4 ± 0.1
5.1 ± 0.1
4.0 ± 0.1
5.0 ± 0.1
5.7 ± 0.1
5.5 ± 0.1
6.7 ± 0.1
8.1 ± 0.1
7.5 ± 0.1
383