Hytera PD415 - Page 51

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A
A
发射自动控制
运放控制方案备用电源
VDD_O
VDD_OP
V_BAT
7V4_PA
V_BAT 7V4_PA
V_BAT
VDD_OP
5V_TX_RF
5V_TX_RF
SW-
TV1/APC(1,6)
VGG
(8)
TX_En
(1,7,8)
TX_En
(1,7,8)
C710
NC
C710
NC
R718
1M-F
R718
1M-F
Q701
UMT1NTR
Q701
UMT1NTR
1
2
3 4
5
6
U701 5WT51 U701 5WT51
A OUTPUT
1
A -INPUT
2
A +INPUT
3
V+
8
B +INPUT
5
B -INPUT
6
B OUTPUT
7
GND
4
R705 82kR705 82k
R710 1M-FR710 1M-F
R720
10k
R720
10k
R721 NCR721 NC
C714
470p
C714
470p
C703 1000pFC703 1000pF
R717
0R
R717
0R
R702
NC
R702
NC
R704 0.1RR704 0.1R
R708 NCR708 NC
R712
NC
R712
NC
R714
NC
R714
NC
C702 100pC702 100p
R727 NCR727 NC
R728 0R728 0
C706
NC
C706
NC
C701
470p
C701
470p
R706 150KR706 150K
R703
0R
R703
0R
D701
1SS390
D701
1SS390
12
R722
5.1k
R722
5.1k
C708
470p
C708
470p
R701 0.1RR701 0.1R
R711 1kR711 1k
C704 100pFC704 100pF
C709
470p
C709
470p
C705
0.022uF
C705
0.022uF
C707
470p
C707
470p
R726 NCR726 NC
Q703
EM6M2
Q703
EM6M2
6
2
1
4
5
3
R725
150K
R725
150K
R724 150kR724 150k
DTC114EE
Q702
DTC114EE
Q702
3
1
2
R719 15kR719 15k
R729 82KR729 82K
R716
NC
R716
NC
R707 0.1RR707 0.1R
R723
15k
R723
15k
R730 1KR730 1K
R709 100K-FR709 100K-F
R715
100K-F
R715
100K-F
44
发射自动控制
Auto Control Circuit of Transmitter