Nokia 3105 Servicehandbuch
CCS Technical Documentation
Troubleshooting - RF
RH-48
Issue 1 11/2003
© 2003 Nokia Corporation Confidential
Page 17
Cell IF/RF AGC and PA Control
The following Cell CDMA Channel 384 (Skyworks PA) table illustrates the PDM values and their
typical values for the IF AGC, RF AGC Jedi Pout, gain steps, and the PA VCC levels. This table also
shows the typical power output at the RF connector.
The following Cell CDMA Channel 384 (Skyworks PA) table illustrates the PDM values and their
typical values for the IF AGC, RF AGC Jedi Pout, gain steps, and the PA VCC levels. This table also
shows the typical power output at the RF connector.
Cell Power Detector
The following tables illustrate the measurements required for troubleshooting the cell
power detector.
power detector.
Cell CDMA Channel 384 (Skyworks PA)
Tx RF AGC
Tx IF AGC
Jedi Po
PA Gain
Step
PA Vcc
Conn
RF
Pout
PDM Typical
Value
Test
Point
PDM
Typical
Value
Test
Point
Typical
Value
Test
Point
Gen
IO
12
Gen
IO
13
Typical
Value
Test
Point
PA
Gain
-290
0.45
Bot-
tom
C606
tom
C606
-290
0.45
Top
C605
C605
3
pin 1
Z601
Z601
H
H
3.47
C806
DM
25
-196
0.59
-196
0.59
-2
H
H
3.61
28
20
-95
0.75
-95
0.75
-9.2
H
H
3.67
28
13.2
-95
0.75
-95
0.75
-9.2
H
L
1.2
26
11
-48
0.83
-48
0.83
-13
H
L
1.2
25.8
7
-48
0.83
-48
0.83
-13
L
L
0.82
24.5
6
17
0.93
17
0.93
-19
L
L
0.82
0
80
1.04
80
1.04
-29
L
L
0.82
-10
120
1.11
120
1.11
-39
L
L
0.82
-20
168
1.19
168
1.19
-49
L
L
0.82
-30
249
1.32
249
1.32
-59
L
L
0.82
-40
324
1.49
324
1.49
-69
L
L
0.82
-50
Cell Power Setup:
Mode
Tx
Rx
Band
Chnn
Rho
Local
On
On
CELL
384
On
Input Chnn
Tx Freq
Rx Freq
384
836.52
881.52