User Guide
NPW-2NX
9. Troubleshooting
PAMS Technical Documentation
3DJH 1RNLD&RUSRUDWLRQ ,VVXH
Is DAC value vs.
PWRDET (mV) OK?
Check UEM
(BaseBand)
Is PWRDET vs.
output power OK?
See chart below.
Check VR2 and
RFTEMP .
Check C930, C931
and PWRDET
module.
N
Y
N
Note !
See PWRDET vs. Output
power curve
Detected voltages are described in the next table and diagram.
T
YPICAL DETECTED VOLTAGES AT POWER LEVELS PL2…PL10 FOR DUALBANDER
800A
800D
1900D
Pout
T
XPWRDET
Pout
T
XPWRDET
Pout
T
XPWRDET
PL dBm
dac mV
dBm dac
mV
dBm
dac mV
2 26.5
633 1671
27.3 696
1839
27.3
662 1746
3 22.5
393 1038
23.3 433
1142
23.3
405 1069
4 18.5
237 625
19.3 261
688
19.3
245 648
5 14.5
141 372
15.3 155
410
15.3
147 387
6 10.5
82 215
11.3 90 237
11.3
84 222
7 6.5 46 120
7.3 50 132
7.3 46 122
8 - - -
3.3 27 70
3.3 24 64
9 - - -
-0.7 13 33
-0.7 11 30
10 - - -
-4.7 5 12
-4.7 5 12
N
OTE: DAC VALUES MAY VARY ABOUT +/- 20%
N
OTE: TXPWRDET is difference between TX on burst and off burst.