Figure 8-45. Nue7366A Mixer And If Filter Circuits - Motorola APX 5000 Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2
DC_LIN_1_8V
IN
L511
7.5NH
TL_RX_B1_MIX_IN C510
1000PF
IN
C502
L501
4PF
C507
L510
6.8NH
10NH 22PF
C501
22PF
DC_LIN_3V
IN
T505
059248278
TL_RX_LO
P1
1 S1 3
IN
S2
2
R512
P2
100K S3
6 4
DNP
R501
5
NC 51
DNP
T503
059248278
P1
S1
1
S2
P2 S3
6
NC
DIG_RX_MIX_NC_1
C506 C508 C512
DIG_RX_MIX_NC_2
0.1UF 1000PF 33PF
U506
5164852H82
C528
1 15
100PF GND1 MIXBIAS
2 14
INB GND4
3 13
INA RF_M
4 12
LG2 RF_P
5 11
LG1 GND3
C529
100PF
S1
3
S2
2
C509 C513
1000PF 100PF
S3
4
5
NC
3
2
4
5
L503
220NH
1
C523
T504
C515
470PF
059248278
6.8PF
P1
1
R502
68
P2
6
L502
C514
47NH 43PF
E501
1 2
C517
R504 R506
0.1UF
3.3K 150
R503
24K
2 5
Q501
Q501
BC858CD
BC858CD
R505
180K
C518
1000PF
FL501
L505
C524 C519
L504
31B01
68PF 33PF
470NH
4
IN OUT
C516
1PF

Figure 8-45. NUE7366A Mixer and IF Filter Circuits

8-71
L506
C520
1000PF 150NH
C522 R511
TL_RX_IF_OUT
15PF 2.7
OUT
C525
.5PF
R508
15
C521
1000PF
R509
10
R507
1.2K
1 Q503
BFR380F
L507
5.1NH