Nokia RH-3 Series Troubleshooting - Rf page 24

RH-3
Troubleshooting - RF
Measurements
Pin Label Test Point
17 MIX_OUT right L903
18 IFA_IN right C905
19 IFA_SRC right L910
20 AMPS_OUT NC
21 GND NA
22 CDMA_OU left L909
T
23 IF_SEL Pin 23
24 LQ_IN top L 904
Yoda (Cell mode)
Setup
Mode Tx
Local Off
Input Chnn
384
600
Page 24
CELL PCS
Typical Typical
Value Value
-66, 183.6 -67, 183.6
-63, 183.6 -65, 183.6
-63, 183.6 -65, 183.6
NC NC
NA NA
-42, 183.6 -44
0 0
1, 1065.12 2.4, 2143.6
Constant Reference Values
Cell Oscillator and IF
VHF Tx Lo
457.2
VHF Rx Lo
367.2
Rx Band
On PCS/CELL
Tx Freq Rx Freq
836.52 881.52
1880 1960
Nokia Corporation
CCS Technical Documentation
Depends
Units
on
dBm, MHz UHF LO
dBm, MHz
dBm, MHz
NC NC
NA NA
dBm, MHz
VDC
dBm, MHz UHF LO
Tx IF
228.6
Rx IF
183.6
CW or
Pin
CDMA
CW -80dBm
UHF
1065.12
2143.6
Confidential
Comments
UHF = 1055.12
(CELL), 2143.6
(PCS)
No AMPS in this
application
Alfred provides
about 40 dBm of
overall
Always gnded for
this frequency
plan
Default LNA Gain
PDM Mode
RX IF AGC High
= 0
Issue 1 06/2003