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4. TROUBLE SHOOTING
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4.13.4 Checking Transceiver Output Signals
Figure 20. Transceiver Output Circuit
Checking Points
Figure 21. Transceiver Output
Table 3. Transceiver Output Operation
Ramp Burst Control
8PSK
Fixed
GMSK
Transceiver Output
MODE
TP1(LBNAD_PAM_IN
TP2(HBNAD_PAM_IN
TP1(LBNAD_PAM_IN
TP2(HBNAD_PAM_IN
U501
20
19
18
17
16
15
14
13
1
2
2
1
2
2
1
1
3
2
0
1
4
2
9
5
2
8
6
2
7
7
2
6
8
2
5
9
2
4
0
3
3
1
3
2
2
3
1
33
34
35
36
37
38
39
40
41
GND4
GND3
VDDMIX2V8
VDDTX2V8
TX2
TX1
VDDTX1V5
VBIAS
FE2
A
1
EF
X
A
8
V2
S
AI
B
D
D
V
B
X1
X
R
X
B
1
X
R
8
V2
GI
D
D
D
V
X2
X
R
A
D
2
X
R
KL
C
2
D
N
G
5
V1
GI
D
D
D
V
X3
X
R
3
S
Y
SF
3
X
R
2
S
Y
SF
X4
X
R
O
X
4
X
R
X
O
X
5
V1
A
NL
D
D
V
GND1
FSYS1
VDDXO2V8
EN
VDDVCO2V8
VCO_RC
VDDRX1V5
VDDRX2V8
10ohms
R509
0.22uF
C540
VC2
VC1
LBAND_PAM_IN
HBAND_PAM_IN
TP1(LBNAD_PAM_IN)
TP2(HBNAD_PAM_IN)
Содержание GM360i
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