Tait TM8100 mobiles - Page 321

TM8100/TM8200 Service Manual Transmitter Fault Finding (>25W) 321
© Tait Electronics Limited November 2007
Table 11.12 RF voltages along the initial RF signal path of the radio (K5 band)
Power
level (W)
Frequency
(MHz)
RF voltages (V)
Synthesizer
output
Exciter
stage 1
Exciter
stage 2
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
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
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
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
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
7.8 ± 0.5
4.8 ± 0.5
2.8 ± 0.5