Tx Dc Test Points; Tx Rf Test Points - Nokia 1508 Manual

1508(RM-388)
RF Description and Troubleshooting

Tx DC Test Points

Table 1 shows the Tx DC test points shown in Figure 6
Test Point Description
1 PA_ON
2 PA_R1
3 LOCK_DET
4 TX_AGC
5 Tx IQ in
6 Tx_on
Figure 6: Tx DC test point
3.08V for PA turning on, 0V for turning off
2.16V for high gain mode,1.6V for low gain mode
3.08V for Lock, 0 V for unlock
1.92V for 5dB, 2.16V for 15dB, 2.4V for 25dB.
0.8 V With oscilloscope: 500 mV p-p
2.8 V
Table 1: Tx DC Test Points
Issue 1
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