Figure 8-88. Mnus4002A Receiver Back End Circuit - Motorola APX 7000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2/ 700–800 MHz
DC_LIN_5V
IN
R698
C643 C641
0
470PF 33PF
Q601
MMBTA13
DC_LIN_1_875V_D
DC_LIN_3_0V
IN
R699
DC_LIN_3V
0
IN
C642
470PF
DC_LIN_3_0V
C601 L601
220NH
TL_RX_IF_ .01UF
1 2 1 2
IN
C605
3.9PF
E601
1 2
DC_LIN_3_0V
C603
.01UF
E602
1 2 1
DC_LIN_3_0V
C604
.01UF
E603
1 2
DC_LIN_3_0V
C602
.01UF
C607
100PF
100PF
E604
1 2
DC_LIN_3_0V
C606
0.1UF
E605
1 2
DC_LIN_3_0V
R607
C629
100K
0.1UF
1 2 2
1
C627
1000PF
1
R605
10K
1
U602
BFR380F
C608
C618
3PF
R606
1 1 2 33PF
TP601
10K
TEST_POINT
C609
27PF
1 2
C619
R602
62PF
390
R601
47 C626
C617 C621
1000PF
0.1UF 0.1UF
C628
C623
L602 L603
.01UF
.01UF
10UH 10UH
1 2
C615
150PF
U601
AD9864
C633
1 36
.01UF
MXOP GNDL
2 35 2 1
FREF
MXON
3 34
GNDS2
GNDF
1 2 4 33
IF2N SYNCB
C611 5 32
IF2P GNDH
100PF
6 31
VDDF FS
7 30
GCP DOUTB
2 8 29
GCN DOUTA
9 28
VDDA CLKOUT
C610
10 27
GNDA VDDH
100PF
11 26
VREFP VDDD
12 25
VREFN PE
C634
0.1UF
R603
C612 100K
.01UF
C613
C632
R608
100PF
10K
1 2
R604
VR601
C620 390 1SV279 L605
0.1UF 3.9UH
C622
C624
.33UF .33UF C635
.01UF
C614
.01UF
C630
0.1UF
TP602
TEST_POINT
R609 R612
C625 C631
15PF 2.2K 7.5K
18PF
1 2 1 2
C638
L604 VR602 C639 R613
1SV279
3300PF 2.4K
120NH .01UF
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
R614
E609
0
DC_LIN_3_0V
1 2
R615
E608
C637
0
1 2
0.1UF
DNP DC_LIN_1_875V_D
DC_LIN_3_0V
R611
10K
1 2
DC_LIN_3_0V
DC_LIN_1_875V_D
DC_LIN_1_875V_D
U604 U603
VCC VCC
NC7WZ17 NC7WZ17
GND
GND
DIG_RX_SYNCB
R616
0
DNP
1 6
DIG_DATA_SSI_RX_FS
U603
NC7WZ17
U607
1 OE NC7SZ125
2 A Y 4
5
NC
R617 R623
0 DNP 0
DNP
3 4
OUT
DIG_DATA_SSI_RX_DOUTA
R618
U603
0
NC7WZ17
DNP
6
1
OUT CLK_SSI_RX
U604
NC7WZ17
R619
U604
0 DNP
NC7WZ17
3 4
C1 C2
A2 B2
NC
B1 B2
A1 B1 IN DIG_CTRL_SPI_PE
D2
DIR
U605
SN74LVC2T45
R620
DC_LIN_1_875V_D
0
DNP DC_LIN_3_0V
GND
A2
C1 C2
B2
A1
B1 B2
B1
DIR
D2
U606
SN74LVC2T45
DC_LIN_1_875V_D
DC_LIN_3_0V
IN DIG_CTRL_SPI_PC
R621
0 DNP

Figure 8-88. MNUS4002A Receiver Back End Circuit

8-189
IN
OUT
OUT
DIG_RX_BE_DOUTB
NC
IN
DIG_DATA_SPI_PD