Amps And Tdma - Nokia NPM-2NX Troubleshooting Manual

NPM-2NX
Troubleshooting
own coupler.
Is TXPWRDET vs.
output power OK?
See chart below.
Y
Is DAC value vs.
TXPWRDET (mV)
OK?
The detected voltages are illustrated in the following table and diagram.

AMPS AND TDMA

Table 3: Typical detected voltages at power levels PL2...PL10
800A
Pout TXPWRDET
PL dBm dac
2 25.7 440
3 23.3 320
4 19.3 190
5 15.3 110
6 11.1 60
7 7.0 33
8 - -
9 - -
10 - -
Page 52
Check VR2 and
N
PATEMP .
Check C921, C922
and PWRDET
module.
N
Check UEM
(BaseBand)
800D
Pout TXPWRDET
mV dBm dac
27.3
23.3
19.3
15.3
11.1
7.0
- -3.0 18
- -1.0 8
- -5.0 3
ãNokia Corporation
CCS Technical Documentation
Note !
See TXPWRDET vs. Output
power curve
1900D
Pout TXPWRDET
mV dBm dac
27.3 503
23.3 304
19.3 182
15.3 105
11.1 57
7.0 30
3.0 15
-1.0 6
-5.0 2
mV
Issue 1 07/02