Tait TM8110

364 Transmitter Fault Finding (25W) TM8100/TM8200 Service Manual
© Tait Electronics Limited June 2006
Table 12.8 RF voltages along the initial RF signal path of the VHF radio (A4 band)
Power level
(W)
Frequency
(MHz)
RF voltages (V)
Synthesizer
output
Buffer
output
Exciter
output
Driver
output
166
77
88
0.3 ± 0.1
0.3 ± 0.1
0.3 ± 0.1
0.4 ± 0.1
0.4 ± 0.1
0.4 ± 0.1
2.7 ± 0.5
2.3 ± 0.5
2.6 ± 0.5
0.98 ± 0.5
1.25 ± 0.5
0.97 ± 0.5
5 66
77
88
0.3 ± 0.1
0.3 ± 0.1
0.3 ± 0.1
0.4 ± 0.1
0.4 ± 0.1
0.4 ± 0.1
2.7 ± 0.5
2.4 ± 0.5
2.6 ± 0.5
1.8 ± 0.5
2.5 ± 0.5
1.9 ± 0.5
12 66
77
88
0.3 ± 0.1
0.3 ± 0.1
0.4 ± 0.1
0.4 ± 0.1
0.5 ± 0.1
0.4 ± 0.1
2.8 ± 0.5
2.4 ± 0.5
2.6 ± 0.5
2.5 ± 0.5
3.5 ± 0.5
2.7 ± 0.5
26 66
77
88
0.3 ± 0.1
0.3 ± 0.1
0.4 ± 0.1
0.4 ± 0.1
0.5 ± 0.1
0.4 ± 0.1
2.9 ± 0.5
2.3 ± 0.5
2.6 ± 0.5
3.2 ± 0.5
4.3 ± 0.5
3.1 ± 0.5
40 66
77
88
0.4 ± 0.1
0.3 ± 0.1
0.8 ± 0.1
0.6 ± 0.1
0.8 ± 0.1
0.5 ± 0.1
3.0 ± 0.5
2.3 ± 0.5
2.8 ± 0.5
7.1 ± 0.5
7.0 ± 0.5
6.1 ± 0.5