User Guide

PAMS
Technical Documentation
NME–3
Troubleshooting
Page 32
Issue 1 10/99
Transmitter Fault (1b)
Check VTX supply voltage
from CCONT (N700)!
CRFU1A (N200):
Pin 30:
–10dBm at 902 MHz
D
CRFU1A (N200):
Pin 1,29:
2.8V DC?
CRFU1A (N200):
Pin 16:
1.5V DC?
Check VREF
from CCONT (N700)!
CRFU1A (N200):
Pin 20:
load = 10kOhm?
R205: Check soldering!
If OK, change component!
Change CRFU1A (N200)!
TX Fault 1
No
Yes
No
No
No
Yes
Yes
Yes
Note:
For the steps described on this
page the transmitter should be
switched back to continuos mode!