Technical Manual
Table Of Contents
13-29
NUF6472B 800 MHz RF Board Schematic Diagram, Sheet 1 of 3
GND
4
GND
8
GND
9
GND
.022uF
C204
33pF
C103
U202
29V21
RX_INJ
180nH
IF_FREQ
GROUND
GROUND
BAT_STATUS
RAW_B+
BAT_CAST
TX_OUT
DA_CE
RAW_1_B+
RAW_1_B+
RAW_1_B+
SPI_DATA
SPI_CLOCK
DATA
CLOCK
LOCK_DET
REG_5V
RESET_1
10
GROUND
GROUND
BUSS_20
.022uF
C218
L101
J3-3
R202
51K
C210
10uF
R101
L202
23.75nH
L204
20V
VR2
2
31
23.75nH
C513
4.7uF
10uF
C216
C226
39pF
G6
C223
5.1pF
C227
330pF
F001
L104
7.66nH
.022uF
C211
ABP
3
AG2
5
GND
2
U205
BBP
10
BDIV
12
GND1
7
GND2
10
RF_IN
1
RF_OUT
7
AVDD
6
6
LOIN
8
GND3
3
GND4
14
GND5
29V26
RFP
15
9
VCC
11
GND
2
IFN
4
IFP
16
5
NC
13
NC1
RFN
1
79V15
U203
GND
2
12
E2
GND
4
GND
5
GND
6
8
GND
9
GND
GND
33pF
C517
OUT
7
1uF
C16
GND
13
GND
GND
3
33pF
C511
10
11
GND
IN
1
C221
.022uF
33pF
C12
J2
2
3
4
1
T202
1
2
3
4
5
.022uF
C514
.022uF
C15
E2
CE
C110
3.3pF
D3
RX_DA
62U70
U503
E3
5V
D2
ANT_EN
BIAS_EN SW2
A4
C3
D4
CLK
DAT
E4
A2
GND
B3
GND
D1
NC
B2
REF_DA
RESET
C1
B1
R_T
B4
SC1
C5
SC2
C4
SC3
D5
SC4
A3
SW1
B5
SW_C
C2
TX_DA
C522
0.1uF
R509
1K
33pF
C14
39pF
C208
J1-10
2K
C203
100pF
J1-20
R511
J1-17
J1-7
E4
33pF
C206
J1-6
33pF
C5
C202
39pF
3.3K
R507
C209
.022uF
L201
17.02nH
20V
VR3
2
3
1
C207
3pF
10uF
C520
39pF
C212
C509
33pF
2.4pF
C107
C506
33pF
33pF
C507
0
.022uF
C510
.022uF
C17
4.7uF
C20
33pF
C21
R326
79V15
U201
12
GND
13
GND
GND
3
GND
4
GND
5
GND
6
J1-5
GND
10
11
GND
IN
1
OUT
7
J1-13
GND
2
62U72
U504
8
GND
9
GND
E4
ANODE1
ANODE2
C4
B3
B+
BIAS_EN
B2
BIAS_RT
C5
CATH_1
D4
CATH_2
A4
D2
GND
D3
INT_CAP2
C3
IN_CAP1
E2
PA_BIAS
A3
REF_V
C1
RF_DET
E3
RX_5V
A2
RX_I
B4
TEMP_SEN
B1
TX_5V
C2
TX_I1
D5
TX_I2
B5
V_CTRL
D1
33pF
C_BIAS
C30
J1-19
.022uF
C213
T201
1
2
3
4
5
33pF
C503
E3
33pF
C504
R505
3
Q503
15K
C523
33pF
2
4
CR502
21
C525
2DTA124EK
5
3
1
.022uF
10K
R503
180nH
33pF
C512
.022uF
C521
L203
Q502
33pF
R506
6.8K
CR501
2
1
3
0.1uF
C518
CR104
C104
20pF
C524
0
R327
7.66nH
L105
R508
1K
R514
J1-16
J3-2
10K
CR102
6.2pF
C101
Q501
BUSS_12
1
2
4
3
J1-15
C108
33pF
33pF
C519
BUSS_15
BUSS_13
BUSS_11
BUSS_14
L103
180nH
C527
.022uF
BUSS_19
L108
L102
15nH
R501
L106
180nH
180nH
10K
3pF
C106
100
R204
U501
79V26
C1
3
C2
8
2
GND
GND
7
GND
10
4
R1
9
R2
6
RF_IN
1
RF_OUT
C222
6.2pF
33pF
C505
5
GND
E1
C105
50k
RT501
C230
J3-1
33pF
BUSS_16
C102
2.4pF
3
SWB+
2
VCONT
C114
33pF
VR1
SHW5151
U502
4
RAWB+
1
RFINRFOUT
5
3
1
C201
10uF
20V
3P FILTER
COUPLER
POWER AMP
2
DAC
ALC
OMIT
ANT
3P FILTER
RF AMP
Mixer
OMIT
OMIT
OMIT
OMIT
63B81086C76-O