Hytera PD415 - Page 108

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A
A
接收中频
3V3_RX_RF
3V3_RX_RF
2NDLO_1
(9)
IF_Out
(6)
RSSI
(1)
N_CON
(1)
AF_IN
(2)
C534
NC
C534
NC
L504
330nH
L504
330nH
R5143.3k R5143.3k
C501
0.1u
C501
0.1u
R507 330KR507 330K
R503 100R503 100
Z501
450K
Z501
450K
2 1
3 4
L503 330nHL503 330nH
C519
22u
C519
22u
R513
2.2k
R513
2.2k
R512
NC
R512
NC
C525
2700p
C525
2700p
C513 2.2pC513 2.2p
TP501
AF
TP501
AF
1
C522
0.047u
C522
0.047u
R511 3.3kR511 3.3k
Z502
NC\JTBM450C24
Z502
NC\JTBM450C24
1 2
C518 100pC518 100p
R508 8.2kR508 8.2k
C515
0.01u
C515
0.01u
C504
0.1u
C504
0.1u
R510 1kR510 1k
C514
22p
C514
22p
C512
0.1u
C512
0.1u
C532
18p
C532
18p
C510 22pC510 22p
C531
0.01u
C531
0.01u
C520 10uC520 10u
C505 0.1uC505 0.1u
C517
NC
C517
NC
C533
0.01u
C533
0.01u
C52668p C52668p
Q502
2SC5108
Q502
2SC5108
1
32
C529
0.1u
C529
0.1u
C516 1000pC516 1000p
C527
0.01u
C527
0.01u
U501
BA4116FV
U501
BA4116FV
OSC IN
1
OSC OUT
2
MIX OUT
3
VCC
4
IF IN
5
DEC
6
FIL OUT
7
FIL IN
8
AF OUT
9
QUAD
10
IF OUT
11
RSSI
12
N-DET
13
N-REC
14
GND
15
MIX IN
16
C524
2.7p
C524
2.7p
Q504
DTA114YE
Q504
DTA114YE
3
1
2
R504
4.7
R504
4.7
42
接收中频
IF Circuit of Receiver