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(3) Checking PAM Control Signal
TEST POINT
Waveform
Checking Flow
Check TX_RAMP and PA_EN
Check if there is
Any Major Difference or not
Refer to Graph 4
VBAT
12
GND1
13
GND2
14
GND3
15
GND4
16
GND5
17
C517
GND6
18
GND7
0.01u
19
GND8
20
GND9
Graph 4-8
Similar?
Similar?
Similar?
-
8
Yes
Go to Next Stp
- 63 -
4. TROUBLESHOOTING
CIRCUIT
R504
R505
C520
47p
4.7u
No
Download S/W
PA_EN
0
TX_RAMP
PA_BAND
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