Nuf6472B 800 Mhz Rf Board Schematic Diagram, Sheet 1 Of 3 - Motorola ASTRO XTS 3000 Service Manual

TX_OUT
E3
BUSS_11
F001
BAT_CAST
J3-3 G6
C30
33pF
BUSS_12
RAW_B+
J3-1
BUSS_13
J3-2
RESET_1
BUSS_14
R326
SPI_DATA
J1-17
0
C5
33pF
BUSS_15
R327
SPI_CLOCK
J1-10
0
C12
33pF
OMIT
BUSS_16
DA_CE
J1-7
REG_5V
LOCK_DET
R101
51K
2 VR2
20V
L106 OMIT
CR104
180nH
C101
J2
C114 6.2pF L105
1
7.66nH
33pF
2
ANT
3 OMIT
C107 L108 C102 C106
4 2.4pF 180nH 2.4pF 3pF
OMIT
C103
CR102
33pF
L104
7.66nH
1 7
IN U201 OUT
79V15
2 13
GND 3P FILTER GND
3 12
GND GND
C110
3.3pF
RX_INJ
E4
C20
4.7uF
1
RF_OUT
3
C1
8
C2
R503
10K
C525
33pF
2DTA124EK
Q503
1
5
C514
.022uF 4
C521 C520 D4
CLK
.022uF 10uF C3
E2 CE
2 3
BIAS_EN
D2
ANT_EN
E4
DAT
D3
RESET
B1
R_T
L101
C108 180nH
33pF
L102 C105
15nH 33pF
L103
180nH
C104 C527
20pF .022uF
C204 L203
.022uF 180nH
29V21 C222
L204
RF AMP 7
L201
RF_OUT
1 23.75nH
RF_IN
6.2pF
U202 3
17.02nH
ABP
L202 5
AG2
23.75nH
C202 C201
39pF 10uF
R202
10
C203
100pF
3
E2 2 VR1 C14
POWER AMP
20V 33pF
1 U502
COUPLER
SHW5151
5
6
RF_IN RFOUT RFIN
U501
E1
79V26
4
R1
9 C17 C15 C16
2 4 3
R2
.022uF .022uF 1uF
C509
C510
C505
33pF
.022uF
R506
C507
6.8K C512
.022uF
Q502
33pF
C513
CR501
C506 4.7uF
33pF C524
R509 33pF C523
C503 R505 1K
33pF 15K
33pF
C504
A3 33pF
SW1 B5
DAC
SW2
U503
B2
REF_DA
C2
62U70
TX_DA
C1
RX_DA
CR502
2 1
3
C226 C209
39pF .022uF
C223
3
1 7
U203 4
IN OUT
79V15 2
2 13 5.1pF
GND 3P FILTER GND
C230 3 12
GND GND
5 U205
OMIT 1 1
RFN
15
T202 RFP
8
LOIN
C227
330pF
C207
3pF
C206
33pF
RAW_1_B+
BAT_STATUS
3
C21 2 VR3
33pF
20V
BUSS_20
1
1
R507
3.3K
C522
0.1uF R508
33pF
1K
Q501
4 C511
2 3 33pF
1
C517
R514
33pF
R501 10K B2 E4 R511
BIAS_EN ANODE1
10K
2K
A4 D5
ALC
CATH_2 TX_I1
B5
C4 U504
ANODE2 TX_I2
E3 C5
RF_DET 62U72 BIAS_RT
C3
A3
PA_BIAS INT_CAP2
E2 D2
IN_CAP1 C_BIAS
B1 D1
TEMP_SEN V_CTRL
RT501 C519
50k 33pF
C518
0.1uF
1 T201 5
2
4
3
4
IFN
6
IFP
C216 C221 C208
29V26
10 10uF .022uF 39pF
Mixer
BBP
12
BDIV
C213 C218 R204 C210 C211 C212
.022uF .022uF 100 10uF .022uF 39pF

NUF6472B 800 MHz RF Board Schematic Diagram, Sheet 1 of 3

BUSS_19
RAW_1_B+
J1-15
RAW_1_B+
J1-20
GROUND
J1-6
GROUND
J1-13
GROUND
J1-16
GROUND
J1-19
J1-5
DATA
CLOCK
IF_FREQ
63B81086C76-O
13-35