Figure 8-11. Mnur4001D Recriver Back End Circuit - Motorola APX 7000 Detailed Service Manual

8-12
R698
DC_LIN_5V
0
IN
C643 C641
470PF 33PF
Q601
MMBTA13
DC_LIN_3_0V
DC_LIN_1_875V_D
IN
DC_LIN_3V
IN
R699
C642
3.9
470PF
DC_LIN_3_0V
TL_RX_IF_
1 2 1 2
IN
L601
C601
220NH
.01UF
E601
1 2
DC_LIN_3_0V
C603
.01UF
E602
1 2
DC_LIN_3_0V
C604
.01UF
E603
1 2
DC_LIN_3_0V
C602
.01UF
C607
100PF
E604
1 2
DC_LIN_3_0V
E605
1 2
DC_LIN_3_0V

Figure 8-11. MNUR4001D Recriver Back End Circuit

C629
R607
0.1UF
100K
1 2 2
1
C627
1000PF
1
R605
10K
1
U602
BFR380F
C608
3PF C618
TP601
1 2 33PF R606
TEST_POINT 10K
1 2
C619
R602
C609
390 62PF
27PF
R601
C617 C621 C626
47
0.1UF 0.1UF
1000PF
C623
C605 .01UF
C628
3.9PF
L602 L603 .01UF
10UH
10UH
1 2
C615
150PF
U601
AD9864
1 36
MXOP GNDL
2 35 2 1
MXON FREF
3 34 C633
GNDF GNDS2
2 .01UF
1 4 33
IF2N SYNCB
C611 5 32
IF2P GNDH
100PF 6 31
VDDF FS
7 30
GCP DOUTB
1 2 8 29
GCN DOUTA
9 28
C610 VDDA CLKOUT
10 27
GNDA VDDH
100PF
11 26
VREFP VDDD
12 25
VREFN PE
C634
0.1UF
R603
C612
100K
.01UF
C613
100PF
C616 C632
R608
2200PF 100PF
10K
1 2
R604
VR601
C620 390
1SV279
0.1UF
C606
0.1UF
C622 C624
.33UF
.33UF
C614
.01UF
C630
0.1UF
C625
C631 R609 R612
18PF 15PF 2.2K 7.5K
1
2 1 2
VR602
L604 C638 C639 R613
1SV279
120NH
3300PF .01UF 2.4K
C640
0.1UF
E606
1 2
DC_LIN_3_0V
E607
1 2
DC_LIN_5_0V
C636
IN CLK_16_8_MHZ
0.1UF
R624
0
DNP
DC_LIN_3_0V
R610
100K
E609
R614
0
1 2
DC_LIN_3_0V
E608 R615
C637
0
0.1UF 1 2
DNP DC_LIN_1_875V_D
DC_LIN_3_0V
L605
3.9UH
R611
10K
1 2
DC_LIN_3_0V
C635
.01UF
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF/700–800
DC_LIN_1_875V_D
DC_LIN_1_875V_D
VCC VCC
U604 U603
NC7WZ17
NC7WZ17
GND GND
DIG_RX_SYNCB
R616
0
DNP
DIG_DATA_SSI_RX_FS
1 6
DC_LIN_1_875V_D
U603
NC7WZ17
U607
NC7SZ125
1 OE
2 A Y 4
5
NC
R617
R623
0
0
DNP
DNP
4
3
OUT DIG_DATA_SSI_RX_DOUTA
U603
R618
NC7WZ17
0
DNP
1 6
CLK_SSI_RX
OUT
U604
NC7WZ17
R619
0
U604
DNP
NC7WZ17
3 4
NC
C1 A2 B2
C2
NC
B1 A1 B1 B2
IN DIG_CTRL_SPI_PE
D2 DIR
U605
SN74LVC2T45
R620
DC_LIN_3_0V
0
DC_LIN_1_875V_D
D1
DNP
IN
DIG_DATA_SPI_PD
C1 C2
A2 B2
B1 B2
A1 B1
D2
DIR U606
SN74LVC2T45
DC_LIN_1_875V_D
DC_LIN_3_0V
DIG_CTRL_SPI_PC
IN
R621
0
DNP
IN
OUT
OUT DIG_RX_BE_DOUTB