Table of Contents
Advertisement
(4) Checking PAM Control Signal
TEST POINT
Waveform
Checking Flow
Check TX_RAMP and PA_EN
Check if there is
Check if there is
Any Major Difference or not
Any Major Difference or not
Refer to Graph 4 -
Refer to Graph 4
8
ENABLE
9
VAPC
10
BAND_SELECT
11
VCC_1A
22
VCC_1B
12
GND1
13
GND2
14
GND3
15
GND4
16
GND5
17
C628
Graph 4-7
Similar?
Similar?
Similar?
7
Yes
Yes
Yes
Go to Next Step
- 69 -
4. TROUBLE SHOOTING
CIRCUIT
33p
4.7u
VBAT
C627
NA
C629
C630
No
No
No
Download S/W
PA_EN
R608
0
TX_RAMP
PA_BAND
Advertisement
Table of Contents
