TP9100 Service Manual Transmitter Fault Finding 241
© Tait Electronics Limited May 2005
Note The ground of the measuring probe must be connected as close to
the measuring point as possible.
Table 10.7 RF voltages along the initial RF signal path (H5 band)
Power level
(W)
Frequency
(MHz)
RF voltages (V)
Synthesizer
output
Exciter
output
Driver
output
1400
435
470
0.50 ± 0.1
0.51 ± 0.1
0.55 ± 0.1
1.3 ±0.3
1.5 ±0.3
1.4 ±0.3
0.85 ±0.3
0.83 ±0.3
0.73 ±0.3
2400
435
470
0.45 ± 0.1
0.51 ± 0.1
0.55 ± 0.1
1.3 ±0.3
1.5 ±0.3
1.4 ±0.3
0.81 ±0.3
0.75 ±0.3
0.68 ±0.3
2.5 400
435
470
0.45 ± 0.1
0.46 ± 0.1
0.55 ± 0.1
1.3 ±0.3
1.5 ±0.3
1.4 ±0.3
0.95 ±0.3
0.91 ±0.3
0.82 ±0.3
4400
435
470
0.45 ± 0.1
0.53 ± 0.1
0.65 ± 0.1
1.4 ±0.3
1.8 ±0.3
1.6 ±0.3
1.4 ±0.3
1.6 ±0.3
1.4 ±0.3
Table 10.8 RF voltages along the initial RF signal path (H6 band)
Power level
(W)
Frequency
(MHz)
RF voltages (V)
Synthesizer
output
Exciter
output
Driver
output
1450
490
530
0.35 ± 0.1
0.51 ± 0.1
0.46 ± 0.1
0.85 ±0.3
1.4 ±0.3
1.8 ±0.3
0.46 ±0.3
0.44 ±0.3
0.57 ±0.3
2450
490
530
0.35 ± 0.1
0.54 ± 0.1
0.49 ± 0.1
0.85 ±0.3
1.4 ±0.3
1.9 ±0.3
0.53 ±0.3
0.61 ±0.3
0.73 ±0.3
2.5 450
490
530
0.55 ± 0.1
0.61 ± 0.1
0.51 ± 0.1
1.9 ±0.3
1.6 ±0.3
2.0 ±0.3
0.77 ±0.3
0.71 ±0.3
0.78 ±0.3
4450
490
530
0.61 ± 0.1
0.68 ± 0.1
0.56 ± 0.1
2.2 ±0.3
2.0 ±0.3
2.2 ±0.3
1.2 ±0.3
1.2 ±0.3
1.3 ±0.3
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