Nokia RH-3 Series Troubleshooting - Rf page 27

CCS Technical Documentation
RX AGC (Cell mode)
Rx AGC vs RF Pin for CELL and PCS
Bands
Conn RF
Pin
-25
-35
-45
-55
-65
-75
-85
Issue 1 06/2003
RX RF AGC PDM vs AGC Voltage
RX RF AGC
Typical
PDM
Value
-512 0.1
-400 0.279
-300 0.436
-200 0.597
-100 0.753
0 0.913
100 1.076
200 1.24
300 1.403
350 1.484
400 1.565
500 1.727
511 1.745
UNITS VDC
CELL PCS
RF AGC RF AGC
1.485 1.512
1.298 1.336
1.159 1.18
1.019 1.039
0.861 0.896
0.728 0.747
0.563 0.596
Nokia Corporation
Test Point Comments
right C703
Comments
In Normal mode, the phone will adjust RF RX
AGC
Rx power is coming in, the I and Q will be about
0.5 Vpp and 1.3 V
Approximately 1 pdm per 1 mV
Confidential
RH-3
Troubleshooting - RF
Page 27