Technical Manual
Table Of Contents
13-35
NUF6472D 800 MHz RF Board Schematic Diagram, Sheet 2 of 3
VCO MODULE
VCO
BUFFER
5V Reg
Pendulum
Frac-N
VREG
11
VSSA_VSSD
26
C322
0.1uF
NC9
17
SCK
22
SI
25
SO
21
SS
24
VDD1
13
VDD2
14
VOPT
12
NC17
32
NC2
2
NC3
3
NC4
4
NC5
5
NC6
6
NC7
15
NC8
16
NC1
1
NC10
18
NC11
19
NC12
20
NC13
28
NC14
29
NC15
30
NC16
31
EN_CE
23
CEXT
7
DCWARP
27
DE
9
DET
8
FO
10
C350
0.1uF
*U304*
79V31
C312
0.1uF
4.3pF
C339
12pF
C370
J1-9
C302
0.1uF
C305
100pF
C345
0.1uF
XTAL2
15
C324
.047uF
27
TST2
VBPASS
12
VEE2
36
VMULT1
9
VMULT2
8
VMULT3
7
VMULT4
6
XTAL1
14
44
NC
PREIN
21
PVREF
24
18
SUPFBASE
17
SUPFCAP
SUPFIN
20
19
SUPFOUT
26
TST1
IADAPT
34
IOUT
32
LOCK
41
MODIN
5
30
MODOUT
16
NC
31
NC
43
NC
VCC2
25
VCC3
42
4
EN_CE
FREFOUT
10
1
GND1
13
GND2
22
GND3
33
GND4
AUX3
39
AUX4
40
CLK
3
29
CPBIAS1
CPBIAS2
28
DATA
2
VEE1
23
VCC1
11
*U302*
25U31
35
ADAPTSW
AUX1
37
AUX2
38
C316
.022uF
J1-8
.022uF
C313
0.1uF
C321
C317
0.1uF
10uH
L302
BUSS_7
13
RBY
2
RX
8
SP1
10
SP2TRB
7
4
TX
16
TX_BIAS
VCC
3
FLIP
6
GND1
1
GND2
5
GND3
12
9
IN
11
NC1
14
NC2
PRE
15
62U76
U303
0.1uF
C340
0.1uF
.022uF
C330
100pF
C309
C311
33pF
C328
R309
51K
.022uF
C342
4.7pF
C341
C307
4.7uF
3pF
C354
33pF
C377
6
GND6
7
GND7
8
GND8
9
GND9
RFOUT
10
SW1
11
38
SW2
51
GND45
52
GND46
53
GND47
54
GND48
55
GND49
5
GND5
56
GND50
57
GND51
42
GND38
43
GND39
4
GND4
45
GND40
46
GND41
47
GND42
49
GND43
50
GND44
33
GND30
34
GND31
35
GND32
36
GND33
37
GND34
39
GND35
GND36
40
GND37
41
26
GND23
27
GND24
28
GND25
29
GND26
GND27
30
31
GND28
32
GND29
3
GND3
GND16
19
20
GND17
21
GND18
22
GND19
2
GND2
23
GND20
24
GND21
25
GND22
44
CNTRL2
1
GND1
12
GND10
13
GND11
GND12
15
16
GND13
17
GND14
18
GND15
777-870MHz
U307
38U94
48
BPOS
14
CNTRL1
C306
33pF
C314
.022uF
C344
.022uF
15nH
R304
51K
680pF
L301
1K
C325
C1
4.7uF
R310
1200pF
C318
0.1uF
C315
J1-12
C319
10uF
BUSS_9
J1-14
C372
0.1uF
R307
1K
BUSS_6
J1-18
C304
33pF
C348
10uF
15K
R311
.022uF
C301
0.1uF
.022uF
C2
J1-3
C347
C323
.022uF
R315
39K
C351
0.1uF
.047uF
7
FEEDBACK
4
GND
8
INPUT OUTPUT
1
2
SENSE
3
SHUTDOWN
C329
U305
LP2951C
5V_TAP
6
ERROR
5
C349
.022uF
R314
51
.022uF
TP302
C300
C353
A2
A3
K1
K2
K3
4700pF
CR301
A1
VR4
10V
C320
33pF
BUSS_5
BUSS_8
BUSS_10
C303
100pF
4.7K
R306
2K
R305
C373 .022uF
C352
33pF
10uF
REG_5V
REG_5V
DATA
DATA
CLOCK
CLOCK
SYNTH_CE
C310
REF_OSC_EN
REF_OSC_EN
SW_B+
SW_B+
TX_OUT
RESET_1
RESET_1
2.1_MHz
RX_INJ
MOD_IN
MOD_IN
LOCK_DETLOCK_DET
LOCK_DET
63C81094C61-O