Nokia RH-3 Series Troubleshooting - Rf page 13

CCS Technical Documentation
Measurements:
CELL, Channel 384
TX
PA Gain Step
ADC
RF/IF GIO GIO
pdm 12 13
353 L L
140 L L
-5 L L
-105 L L
-105 H L
-143 H L
-143 H H
-175 H H
-210 H H
-246 H H
-286 H H
-330 H H
-352 H H
-365 H H
-387 H H
none
Issue 1 06/2003
Power Detector
Conn RF
Pout
Pout at
detector
-50 -86.3
-25 -63
0 -41
9 -30
10 -29
13 -26
14.9 -23.5
17 -21.5
19 -19
21 -17
23 -15
25 -12
26 -11.5
26.5 -11
27.5 -10
dBm dBm/
30kHz
Detector Reference and DC Supply
Label Test Point
Det Ref left-C803
Det Supply bottom-C257
Nokia Corporation
Test Test
Det Out
Point Point
right 2 left
R814 C807
2
1.998
1.967
1.957
1.93
1.9
1.86
1.812
1.745
1.667
1.547
1.485
1.44
1.36
VDC
Typical
Value
2
2.8
Confidential
RH-3
Troubleshooting - RF
Comments
Det=Detector
mA
Po=Power
235 CELL band and
detector cou-
pling is about
22 dB
235
235
250
268
286
435
486
550
630
730
860
950
1000
1095
dBm only
refers to total
power meas-
ured
Page 13