Tdma 1900 Tx Output Power; Rssi Digital (Agc); Rssi Analog - Nokia NSC/W-1/3 Series Tuning Instructions

NSC/W-1/3
Tuning Instructions

TDMA 1900 TX Output Power

Power RF Power at Ext. RF
level connector *
2 25.8 dBm
3 22.2 dBm
4 18.4 dBm
5 14.6 dBm
6 10.8 dBm
7 7.0 dBm
8 3.4 dBm
9 -0.2 dBm
10 -4.2 dBm
Check that the power level PL2 TXC DAC value is within the allowed range of -10...+400.
* Note if there is a difference between the power measured from the panel test pad and the Ext. RF connector when calcu-
lating measurements from Ext. RF.

6. RSSI Digital (AGC)

This tuning is used to measure the small signal gain of the radio unit to meet system
requirements for RSSI reporting.
The following steps are used:
• Select Tuning>RSSI Digital (AGC)>Low Band/High Band
• Set the power supply voltage 8.4 V to service battery (or 3.6 V to jig).
• Connect the RF generator to the antenna connector.
• Press Meas> (The program will show the correct frequency and signal
level.)
• Press the OK button once all the RF generator settings are correct.
• Repeat this measurement for all signal levels.
• Press the OK button when the tuning is correct.

7. RSSI Analog

This measurement is used for RSSI in analog mode. The analog mode works only with 800
MHz.
Page 20
Tuning target
tolerance
+/- 0.1 dB
+/- 1 dB
+/- 1 dB
+/- 1 dB
+/- 1 dB
+/- 1 dB
+/- 1 dB
+/- 1 dB
+/- 1 dB
Nokia Mobile Phones Ltd.
PAMS Technical Documentation
Testing limits
+0.7...-1.8 dB
26.5 ... 24.0 dBm
+/- 2.0 dB
+/- 2.0 dB
+/- 2.0 dB
+/- 2.0 dB
+/- 2.0 dB
+/- 2.0 dB
+/- 2.0 dB
+/- 2.0 dB
Issue 4 03/01