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100

Setting GSM850 GSM900 GSM1800 GSM1900

Phoenix Channel 190 37 700 661

Signal generator

to antenna

connector

881.66771 MHz

(67.71kHz offset)

at -60dBm

942.46771 MHz

(67.71kHz offset)

at -60dBm

1842.86771 MHz

(67.71kHz offset)

at -60dBm

1960.046771 MHz

(67.71kHz offset)

at -60dBm

Steps

1. Set the phone to local mode.

2. Activate RSSI reading in Phoenix (Testing→GSM→RSSI reading )

Results

With the

Measuring mode

set to

Sum vector

, the reading should reflect the level of the signal generator (-

losses) +/- 5 dB.

When varying the level in the range -30 to -102 dBm the reading should then follow within +/-5 dB.

Now select the measuring mode to

Q branch

and

I Branch

. In each case the reading should be 3 dB below

the signal generator level.

WCDMA RX chain activation for manual measurement/WCDMA RSSI measurement

Prerequisites

Make the following settings in Phoenix service software and in the signal generator.

Setting Band I Band V

Phoenix channel 10700 4407

Signal generator to antenna

connector

21400 MHz 881.4 MHz

Steps

1. Via Phoenix Testing menu, choose WCDMA/RX Control.

2. In the RX control window, make the following settings:

RM-265

RF troubleshooting

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