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(3) Checking RX IQ
TEST POINT
Waveform
Checking Flow
Check C510,C511.
Check if there is any
Major difference
Refer to graph 4-4
1
VCC3
2
I+_TX_I+
3
I-_TX_I-
4
Q-_TX_Q-
5
Q+_TX_Q+
6
VCC1
Graph 4-4
Similar?
Yes
Redownload software and calibration again
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4. TROUBLESHOOTING
CIRCUIT
C510
39p
VBAT
C511
39p
C512
C513
No
Replace U500
IP
IN
QN
QP
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