Motorola APX 2000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF (84012320001 / PC000352A01) 8-39
Figure 8-11. Receiver Back End Circuit – 2 of 2
0
470PF 33PF
C641C643
R698
DC_LIN_5V
DC_LIN_5_0V
IN
100K
0.1UF
MMBTA13
Q601
C629
R607
DC_RX_BE_SUPFLTR_B
3
1
2121
0
R699
DC_LIN_1_875V_D
DC_LIN_3V
DC_LIN_3_0V
IN
IN
470PF
C642
DC_LIN_3_0V
47
R601
RF_RX_BE_IFIN
TL_RX_IF
2
IN
270NH
DNP
2.7PF
2.7PF
220NH
.01UF
C645
L611
C644
C601
L601
RF_RX_BE_IF_1
2121
10UH
150PF
10UH
3.9PF
L603L602
C605
C615
RF_RX_BE_MX
21
.01UF
100PF
.01UF
100PF
2200PF
E603
C616
C613
C612
C602
C607
DC_LIN_3_0V
DC_RX_BE_VDDA
DC_RX_BE_VREFN
21
21
2121
21
21
.01UF
100PF
E602
E601
C604
C610
DC_RX_BE_VDDF
DC_RX_BE_VREFP
DC_LIN_3_0V
DC_LIN_3_0V
21
21
21
21
.01UF
C603
DC_RX_BE_VDDI
21
100PF
C611
RF_RX_BE_MXOP
RF_RX_BE_MXON
RF_RX_BE_GCP
RF_RX_BE_IF2P
RF_RX_BE_IF2N21
11
12
6
9
1
2
5
4
3
10
7
8
39
40
48
43
42
38
47
37
45
41 44 46
1
0.1UF
0.1UF
C621
C617
21
2
1
E607
E606
DC_LIN_5_0V
CLK_16_8_MHZ
DC_LIN_3_0V
21
21
IN
.01UF
1000PF
C626
C628
DC_RX_BE_VDDL
DIG_RX_BE_CXVM
2
1
2
1
.01UF
C623
DIG_RX_BE_CXVL
RF_RX_BE_CXIF
RF_RX_BE_LON
2
1
0.1UF
C636
1
CXVL
LOP
LON
CXVM
VDDL
VDDP
IOUTL
GNDP
RREF VDDQ
IOUTC
GNDQ
VDDC
GNDC
CLKP
CLKN
GNDS1 GNDD
PC
PD
GNDL
FREF
GNDS2
SYNCB
GNDH
FS
DOUTB
DOUTA
CLKOUT
VDDH
VDDD
PE
MXOP
MXON
GNDF
IF2N
IF2P
VDDF
GCP
GCN
VDDA
GNDA
VREFP
VREFN
VDDI
IFIN
CXIF
GNDI
GND3
AD9864
U601
DC_RX_BE_VDDP
27
26
33
25
34
36
32
31
35
30
29
28
.01UF
C633
DIG_RX_BE_SYNCB
CLK_RX_BE_FREF2
1
0.1UF
0.1UF
C637
C634
DC_RX_BE_VDDD
DC_RX_BE_VDDH
21 21
100K
R603
DIG_RX_BE_RREF
DC_RX_BE_VDDQ
DC_RX_BE_VDDC
21
14 17
13
24
23 15 21 16
22
18
G1
19 20
3.9UH
.01UF
10K
L605
R611
C635
DC_LIN_3_0V
21
21
100PF
1SV279
C632
VR601
21
10K
R608
CLK_RX_BE_CLKN
RF_RX_BE_18D
RF_RX_BE_IOUT
CLK_RX_BE_CLKP
21
390
0.1UF
R604
C620
RF_RX_BE_18T
21
21
.33UF
.33UF
C624
C622
2
1
2
1
0.1UF
E605
E604
C606
DC_LIN_3_0V
DC_LIN_3_0V
21
21
21
.01UF
C614
21
RF_RX_BE_SUPFLTR_C
2
1000PF
0.1UF
C630
C627
21
21
18PF
10K
33PF
1SV279
120NH
8PF
7PF
BFR380F
10K
C646
U602
R605
VR602
L604
R606
C631
C625
C618
RF_RX_BE_VCO_E
RF_RX_BE_VCO_D
RF_RX_BE_VCO_L
RF_RX_BE_VCO_B
23
1
21
21
21
21
12
3300PF
.01UF
2.4K
7.5K
0.1UF
2.2K
R613
C640
C639
R612
R609
C638
RF_RX_BE_VCO_F
RF_RX_BE_VCO_A
RF_RX_BE_VCO_TUNE
2211
2
1
2211
21
TEST_POINT
27PF
3PF
TP601
C609
C608
RF_RX_BE_VCO_OUT
RF_RX_BE_VCO_OUT2
1
21
21
390
62PF
C619
R602
21
21
VCC
GND
VCC
GND
NC7WZ17
NC7WZ17
U603U604
DC_LIN_1_875V_D
DC_LIN_1_875V_D
52
52
DNP
NC7WZ17
0
R616
U603
DIG_RX_SYNCB
61
NC7SZ125
U607
DC_LIN_1_875V_D
DIG_DATA_SSI_RX_FS
NC
Y
GND VCC
A
OE
4
6
1
5
3
2
DNP
0
NC7WZ17
U604
R623
CLK_SSI_RX
DIG_DATA_SSI_RX_DOUTA
43
NC
OUT
OUT
0
DNP
DNP
NC7WZ17
0
0
NC7WZ17
DNP
R619
R618
R617
U604
U603
DIG_RX_CLK
DIG_RX_DATA
61
43
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
NC
SN74LVC2T45
U605
DC_LIN_1_875V_D
DC_LIN_3_0V
A2
A1
D1
D2
C2
B2
C1
B1
IN
DIG_DATA_SPI_PD
DIG_CTRL_SPI_PE
IN
DIG_CTRL_SPI_PC
IN
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
0
0
DNP
SN74LVC2T45
DNP
R621
R620
U606
DC_LIN_3_0V
DC_LIN_1_875V_D
A2
A1
D1
D2
C2
B2
C1
B1
DNP
0
0
R615
R614
DC_LIN_3_0V
DC_LIN_1_875V_D
E608
E609
DC_LIN_3_0V
2
21
1
100K
DNP
0
R624
R610
DC_LIN_3_0V
DIG_RX_FS
DIG_RX_BE_DOUTB
IN
OUT
OUT

Motorola APX 2000 Specifications

General

IP Rating	IP67
Operating Temperature	-30°C to +60°C
GPS	Optional
Bluetooth	No
Frequency Range	700/800 MHz
Power Output	1-5 W (VHF), 1-3 W (700/800 MHz)
Channels	Up to 1, 000
Battery Life	Up to 10 hours (digital)
Digital Protocol	APCO P25
Frequency	VHF: 136-174 MHz, UHF: 380-470 MHz, 700/800 MHz: 764-870 MHz
Power	1-3W (700/800 MHz), 1-5W (VHF)