Technical Manual
Table Of Contents
13-30
NUF6472B 800 MHz RF Board Schematic Diagram, Sheet 2 of 3
0.1uF0.1uF0.1uF
0.1uF
LOCK_DETLOCK_DETLOCK_DET
RX_INJ
TX_OUT
SW_B+
SYNTH_CE
MOD_IN
MOD_IN
REF_OSC_EN
REF_OSC_EN
DATA
DATA
CLOCK
CLOCK
FLIP
VCC
RBYRFIN
9
PRESCALER
15
14
NC
GND4
12
GND3
11
GND2
5
C328
100pF
GND1
1
6
3
TXOUT
4
TXBIAS
16
TRB
7
SW2
10
SW1
8
RXOUT
2
13
62U76
U303
0.1uF
.022uF
C373
REG_5V
REG_5V
C340
0.1uF
2.1_MHz
RESET_1
RESET_1
4.7K
R306
2K
R305
BUSS_8
100pF
C303
33pF
C311
J1-18
BUSS_10
J1-12
4
A1
5
A2
6
VR4
10V
1
K3
.0047uF
C300
CR301
.022uF
C349
A3
3
K1
2
K2
51K
R309
C2
.022uF
TP302
C347
.022uF
15K
R311
C301
0.1uF
15nH
L301
C348
10uF
39K
C306
33pF33pF
C304
R315
C318
C344
.022uF
C309
.022uF
C330
79V31
U304
EN_CE
51K
R304
8
F_OUT
10
NC1
1
NC10
18
NC11
33pF
C352
30
NC16
31
NC17
32
NC2
2
NC3
23
C_EXT
7
DCWARP
27
DE
9
DET
15
NC8
16
NC9
17
SCK
22
SI
19
NC12
20
NC13
28
NC14
29
NC15
VDD2
14
V_OPT
12
V_REG
11
GND
26
3
NC4
4
NC5
5
NC6
6
NC7
0.1uF
C372
U305
LP2951CM
25
SO
21
SS
24
VDD1
13
7
FEEDBACK
4
GND
8
INPUT OUTPUT
1
2
SENSE
0.1uF
C302
U302
25U31
5V_TAP
6
ERROR
5
AUX1
37
AUX2
38
AUX3
39
AUX4
40
CE
4
3
SHUTDOWN
DATA
2
VEE1
23
VCC1
11
VCC2
25
VCC3
42
35
ADAPTSW
GND3
22
GND4
33
IADAPT
34
IOUT
32
LOCK
41
CLK
3
29
CPBIAS1
CPBIAS2
28
31
NC1
43
NC2
44
NC3
PREIN
21
PVREF
24
FREFOUT
10
1
GND1
GND2
13
19
SUPFOUT
TST1
26
TST2
27
A/D BYPASS
12
VEE2
36
MODIN
5
30
MODOUT
16
NC
VMULT4
6
XTAL1
14
XTAL2
15
C329
18
SUPFBASE
17
SUPFCAP
SUPFIN
20
.047uF
C351
VMULT1
9
VMULT2
8
VMULT3
7
C317
10000nH
L302
C321
.022uF
0.1uF
C316
.022uF
C324
.047uF
C313
J1-8
C353
.022uF
BUSS_7
BUSS_6
BUSS_5
C314
.022uF
BUSS_9
J1-14
C310
10uF
J1-3
1K
R307
0.1uF
C312
R314
C320
33pF
U307
38U94 51
1
CNTL
7
CNTL1
2
GND1
16
GND10
17
GND11
GND12
18
19
GND13
21
GND15
GND16
22
23
GND17
24
GND18
25
GND19
5
GND2
26
GND20
9
B+
28
GND22
29
GND23
30
GND24
31
GND25
32
GND26
GND27
33
34
GND28
20
GND14
6
GND3
36
GND30
37
GND31
38
GND32
39
GND33
40
GND34
41
GND35
GND36
27
GND21
GND37
43
44
GND38
45
GND39
10
GND4
46
GND40
47
GND41
48
GND42
35
GND29
50
GND44
51
GND45
52
GND46
53
GND47
54
GND48
55
GND49
11
GND5
56
42
57
GND51
12
GND6
13
GND7
14
GND8
15
GND9
4
RF-OUT
SW1
3
49
GND43
SW2
4.7uF
C307
GND50
C377
3pF
8
33pF
C354
C341
.022uF
C345
0.1uF
C305
100pF
10uF
C319
12pF
C339
J1-9
C370
4.3pF
C315
1200pF
4.7pF
C342
0.1uF
C350
C322
C323
.022uF
R310
4.7uF
C1
C325
680pF
1K
VCO MODULE
VCO
BUFFER
5V Reg
Pendulum
FRAC-N
63B81086C77-O