Figure 8-123.Receiver Back End Circuit - Motorola APX 1000 Detailed Service Manual

8-268
R698M19
DC_LIN_5V
DC_LIN_5_0V
0
IN
C641M19
C643M19
33PF
470PF
MMBTA13
Q601M19
DC_LIN_1_875V_D
DC_LIN_3_0V
IN
R699M19
DC_LIN_3V
0
IN
C642M19
470PF
DC_LIN_3_0V
RF_RX_BE_IF_1
L611M19 L601M19
TL_RX_IF RF_RX_BE_IFIN
270NH 220NH
1 2 1 2
IN
C601M19
.01UF
C605M19
C645M19
3.9PF
2.7PF
DNP
E601M19
1 2 DC_RX_BE_VDDI
DC_LIN_3_0V
RF_RX_BE_MXOP
C603M19
.01UF
DC_RX_BE_VDDF
E602M19
1 2
DC_LIN_3_0V
C604M19 DC_RX_BE_VREFP
.01UF
E603M19
1 2 DC_RX_BE_VDDA
DC_LIN_3_0V
C602M19
.01UF
C607M19
100PF
C613M19
E604M19
1 2
DC_LIN_3_0V
C606M19
0.1UF
E605M19
1 2
DC_LIN_3_0V
Figure 8-123. Receiver Back End Circuit
C629M19
R607M19
0.1UF
100K
1 2 1 2
C627M19
1000PF
DC_RX_BE_SUPFLTR_B
1
R605M19
10K
RF_RX_BE_VCO_L
RF_RX_BE_SUPFLTR_C
RF_RX_BE_VCO_B
1
TP601M19 C608M19
C618M19
TEST_POINT 3PF
1 2 33PF R606M19
10K
RF_RX_BE_VCO_OUT2 RF_RX_BE_VCO_E
1 2
R602M19 C619M19
C609M19
390 62PF
27PF
RF_RX_BE_VCO_OUT
R601M19
C626M19
47
C617M19 C621M19
1000PF
0.1UF
0.1UF
DC_RX_BE_VDDL 1
DIG_RX_BE_CXVM
RF_RX_BE_CXIF
RF_RX_BE_MX
L602M19 L603M19
10UH 10UH DIG_RX_BE_CXVL
RF_RX_BE_LON
C615M19
150PF
1 2
DC_RX_BE_VDDP
U601M19
5102495J14 AD9864
1 36
MXOP GNDL CLK_RX_BE_FREF
RF_RX_BE_MXON 2 35 2
MXON FREF
1 .01UF
RF_RX_BE_IF2N 3 34
C611M19 GNDF GNDS2
1 2 4 33 DIG_RX_BE_SYNCB
IF2N SYNCB
100PF
RF_RX_BE_IF2P 5 32
IF2P GNDH
6 31
VDDF FS
RF_RX_BE_GCP 7 30
GCP DOUTB
1 2 8 29
GCN DOUTA
9 28
C610M19
VDDA CLKOUT
100PF 10 27 DC_RX_BE_VDDH
GNDA VDDH
DC_RX_BE_VDDD
11 26
VREFP VDDD
12 25
VREFN PE
DC_RX_BE_VDDQ
DIG_RX_BE_RREF
R603M19
100K
C612M19
DC_RX_BE_VDDC
.01UF
DC_RX_BE_VREFN
CLK_RX_BE_CLKN
CLK_RX_BE_CLKP
C616M19
100PF
R608M19
2200PF RF_RX_BE_IOUT
10K
RF_RX_BE_18D
1 2
C632M19
100PF
R604M19
390
C620M19
VR601M19
0.1UF
1SV279
RF_RX_BE_18T
C624M19
C622M19
.33UF
.33UF
C614M19
.01UF
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: 700 – 800 MHz (84012266001 / PC000351A01)
C630M19
0.1UF
RF_RX_BE_VCO_F
C646M19 8PF
R609M19 R612M19
C631M19
2.2K 7.5K RF_RX_BE_VCO_TUNE
7PF 1 2 1 2
C625M19
RF_RX_BE_VCO_D
18PF
L604M19 VR602M19
R613M19
C638M19
C639M19
120NH 1SV279
2.4K
3300PF
.01UF
RF_RX_BE_VCO_A
C640M19
0.1UF
E606M19 DC_LIN_3_0V
2
E607M19
1 2 DC_LIN_5_0V
CLK_16_8_MHZ
IN
DNP
R624M19
DC_LIN_3_0V
C633M19
0
R610M19
0613952R66
100K
E609M19
R614M19
1 2
0
E608M19
1 2
R615M19 DNP
0
DC_LIN_3_0V
L605M19
3.9UH
R611M19
10K
1 2 DC_LIN_3_0V
C635M19
.01UF
DC_LIN_1_875V_D
DC_LIN_1_875V_D
VCC VCC
U603M19
U604M19
NC7WZ17
NC7WZ17
GND GND
DIG_RX_SYNCB
R616M19
0 DNP
DIG_DATA_SSI_RX_FS
U603M19
NC7WZ17 1 6
U607M19 DC_LIN_1_875V_D
NC7SZ125
1 OE
2 A Y 4
5
NC
R623M19
R617M19
0 DNP
DIG_RX_DATA
0 DNP
3 4
DIG_DATA_SSI_RX_DOUTA
OUT
U603M19
NC7WZ17
R618M19
0 DNP
DIG_RX_CLK
DIG_RX_FS
1 6
OUT
U604M19
NC7WZ17
R619M19
U604M19
0 DNP
NC7WZ17
3
DC_LIN_3_0V
DC_LIN_1_875V_D A2 B2
C1 C2
NC
B1 A1 B1 B2
IN
D2 DIR
U605M19
SN74LVC2T45
DC_LIN_3_0V
DC_LIN_1_875V_D
DNP
R620M19
0 C1 A2 B2 C2
B1 A1 B1 B2
D2 DIR
U606M19
SN74LVC2T45
DC_LIN_1_875V_D
DC_LIN_3_0V
IN
R621M19
0 DNP
IN
OUT
DIG_RX_BE_DOUTB
OUT
CLK_SSI_RX
4
NC
DIG_CTRL_SPI_PE
DIG_DATA_SPI_PD
IN
DIG_CTRL_SPI_PC