Tdma1900 Tx Output Power; Rssi Digital (Agc); Rssi Analog - Nokia NSW-5 Series Service Manual

PAMS Technical Documentation
Check that the power level PL2 TXC DAC value is in the allowed range
+50...+270.

TDMA1900 TX output power

Power
level
2
3
4
5
6
7
8
9
10
Check that the power level PL2 TXC DAC value is in the allowed range:
Ch.A, Ch.B, Ch.D
Ch.D

6. RSSI Digital (AGC) ...

This tuning is to measure the small signal gain of radio unit to meet sys-
tem requirements for RSSI reporting.
– Select Tuning –> RSSI Digital (AGC) –> Low Band / High Band
– Set power supply voltage 8.5 V to service battery (or 3.6 V to jig).
– Connect the RF generator to antenna connector.
– Press Meas –> The program shows correct frequency and signal level.
–. Once RF generator settings are correct, press OK button.
( Note the insertion loss of the cable!)
– Repeat measurement with all signal levels.
– Once the tuning is correct, press OK button.

7. RSSI Analog ...

This measurement is for RSSI in analog mode. The analog mode works
only with 800 Mhz.
– Select Tuning –> RSSI Analog...
– Set power supply voltage 8.4 V to service battery (or 3.6 V to jig).
Issue 1 10/00
RF Power at ext. RF
connector (*
25.2 dBm
23.3 dBm
19.3 dBm
15.3 dBm
11.3 dBm
7.3 dBm
3.3 dBm
–0.2 dBm
–3.8 dBm
–100...+100.
–100...+130.
E Nokia Mobile
Phones Ltd.
Tuning and Flashing Instructions
Tuning target Testing Limits
tolerance
+/– 0.1 dB +0.5...–1.0 dB
25.7 – 24.2 dBm
+/– 1.0dB +/– 2.0 dB
+/– 1.0dB +/– 2.0 dB
+/– 1.0dB +/– 2.0 dB
+/– 1.0dB +/– 2.0 dB
+/– 1.0dB +/– 2.0 dB
+/– 1.0dB +/– 2.0 dB
+/– 1.0dB +/– 2.0 dB
+/– 1.0dB +/– 2.0 dB
NSW-5
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