Figure 8-49. Mnut4000A/C Receiver Back End Circuit - Motorola APX 7000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1/VHF
R698
0
DC_LIN_5V IN
C643 C641
Q601
470PF 33PF
MMBTA13
DC_LIN_3_0V
DC_LIN_1_875V_D
IN
R699
DC_LIN_3V
0
IN
C642
470PF
DC_LIN_3_0V
C601
L601
TL_RX_IF_
.01UF 220NH
1 2 1 2
IN
C605
3.9PF
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
E604
1 2
DC_LIN_3_0V
C606
0.1UF
E605
2
1
DC_LIN_3_0V
R607 C629
100K 0.1UF
1 1 2
2
1
R605
10K
1
U602
BFR380F
C608
C618
3PF
33PF
TP601 1 1 2 R606
TEST_POINT 10K
1 2
C619
R602
C609
390 62PF
27PF
R601
47 C617 C621 C626
0.1UF 0.1UF
1000PF
C623
.01UF
C628
.01UF
L603
L602
10UH 10UH
C615
150PF
1 2
U601
AD9864
C633
1 36
MXOP GNDL .01UF
2 35 2 1
MXON FREF
C611
3 34
100PF GNDF GNDS2
1 2 4 33
IF2N SYNCB
5 32
IF2P GNDH
6 31
VDDF FS
7 30
GCP DOUTB
1 2 8 29
GCN DOUTA
9 28
C610 VDDA CLKOUT
10 27 DC_RX_BE_VDDH
100PF
GNDA VDDH
DC_RX_BE_VDDD
11 26
VREFP VDDD
12 25
VREFN PE
C634
0.1UF
R603
C612 100K
C607
.01UF
100PF
C613
C616
100PF
2200PF
C632
R608
10K 100PF
1 2
VR601
R604
1SV279
C620 390
0.1UF
C622 C624
.33UF .33UF
C614
.01UF
C627
C630
1000PF 0.1UF
R609
C625 C631 R612
2.2K
18PF 15PF 7.5K
1 2 1 2
L604 C638
VR602 C639 R613
1SV279 3300PF
120NH .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
C637
0.1UF E608
R615
0
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
DC_LIN_1_875V_D
DC_LIN_1_875V_D
U604
U603
NC7WZ17
NC7WZ17
VCC VCC
GND GND
DIG_RX_SYNCB
R616
0
DNP
DIG_DATA_SSI_RX_FS
U603
NC7WZ17
1 6
DC_LIN_1_875V_D
U607
NC7SZ125
1 OE
2 A Y 4
5
NC
R617
R623
0
0
DNP
DNP
3 4
DIG_DATA_SSI_RX_DOUTA
OUT
U603
NC7WZ17 R618
0
DNP
1 6
CLK_SSI_RX
OUT
U604
NC7WZ17
R619
0
U604
DNP
NC7WZ17
3 4
U605
C1 C2
NC A2
B2
B1 B2
A1
B1 IN DIG_CTRL_SPI_PE
D2
DIR
R620 DC_LIN_3_0V
DC_LIN_1_875V_D
0
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
IN
DIG_CTRL_SPI_PC
R621
DNP

Figure 8-49. MNUT4000A/C Receiver Back End Circuit

8-111
IN
OUT
OUT DIG_RX_BE_DOUTB
NC