Technical Manual

13-4
NLD8898B/C/D VHF RF Board Schematic Diagram, Sheet 2 of 3
REF_OSC_EN
REF_OSC_EN
MOD_OUTMOD_OUT
LOCK_DETECT
RX_INJ
TX_OUT
RESET
RESET
MOD_IN
REF_2.1MHz
MOD_IN
SYNTH_CE
SYNTH_CE
SWB+
SPI_CLOCK
SPI_CLOCK
SPI_DATA
SPI_DATA
LOCK_DETECT
LOCK_DETECT
VEE
VEEVEE
REG_5V
REG_5V
SW_B+
SW_B+
R222
510
V_CTRL V_CTRL
SUPER_FILTER_VOLTAGE
SUPER_FILTER_VOLTAGE
SUPER_FILTER_VOLTAGE
R210
1K
C292
.022uF
R209
BUSS_21
BUSS_20
510
U203
EN_CE
23
C_EXT
7
DCWARP
27
F_OUT
10
NC1
1
NC10
18
NC11
19
NC12
20
NC13
14
NC16
30
NC17
31
NC18
32
NC2
2
NC3
3
NC4
4
DE
9
DET
8
NC7
15
NC8
16
NC9
17
SCK
22
SI
25
SO
21
NC14
28
NC15
29
VDD
13
V_OPT
12
V_REG
11
GND
26
NC5
5
NC6
6
.01uF
SS
24
3pF
C214
C274
C226
62pF
22
R203
L222
20K
390nH
10uF
C231
R206
10pF
C219
330pF
C204
CR208
R118
100K
C289
L201
33nH
R219
22
330pF
R223
47K
BUSS_5
L204
1uH
10pF
C202
CR205
A1
4
A2
5
K1
3
K2
2
K3
1
R218
100K
TP7
A3
6
62U78
U201
5VI
6
B2
11
C
9
E2
12
GND
1
NC
8
PS
16
RBY
15
RX
2
S1
7
S2
14
TRB
5
TX
4
VC
10
VSF
3
GND
13
5.6pF
C222
C225
1.6pF
2pF
C207
10pF
C236
C208
6.2pF
R200
0
56nH
L211
L218
1uH
.022uF
C246
R212
4.7pF
C287
D
S
620
TP8
Q201
.022uF
C303
.220uF
C259
C203
5.1pF
3.6K
TP5
.001uF
C245
R208
0.1uF
C209
CR204
A1
4
A2
5
A3
6
K1
3
K2
2
K3
1
1uH
L217
C270
.001uF
CR206
1
3
2
C213
5.6pF
C316
330pF
C304
22nH
.220uF
C238
330pF
C252
.0047uF
L219
C220
C206
620pF
330pF
C309
C233
330pF
16pF
.01uF
3.3uF
C302
C266
330pF
C221
C228
330pF
C248
0.1uF
39K
1uH
L209
330pF
C242
R214
L225
.039uF
C255
.001uF
C286
330pF
C251
330pF
2200nH
C260
C223
4-5pF
330pF
C211
1uH
L213
18
LP2951CM
U202
6
5V_TAP
5
ERRORFEEDBACK
7
GND
4
INPUT
81
OUTPUT
SENSE
2
SHUTDOWN
3
J1-18
27nH
330pF
C277
R207
20K
20K
L210
CR202
AUX2
39
AUX3
40
AUX4
R204
VEE1
11
VCC1
25
VCC2
25U31
U204
35
ADAPTSW
37
AUX1
38
GND4
34
IADAPT
32
IOUT
4
CE
3
CLK
29
CPBIAS1
28
CPBIAS2
2
DATA
23
43
NC3
44
21
PREIN
42
VCC3
10
FREFOUT
1
GND1
13
GND2
22
GND3
33
TST1
27
TST2
12
A/D BYPASS
41
LOCK
5
MODIN
30
MODOUT
NC
16
NC1
31
NC2
14
XTAL1
15
XTAL2
24
PVREF
SUPFBASE
18
SUPFCAP
17
20
SUPFIN
SUPFOUT
19
26
36
VEE2
9
VMULT1
8
VMULT2
7
VMULT3
6
VMULT4
C291
.022uF
C205
3pF
C244
.022uF
330pF
C227
.022uF
C285
15pF
10pF
C237
8
C235
R220
2K
J1-8
30K
R215
CR203CR207
1uF
C212
330pF
C250
.001uF
J1-9
C247
9
L216
4.7uF
C271
62
R211
R205
BUSS_3
39nH
30K
CR201
C280
100pF
30pF
C243
2K
R221
L205
33nH
J1-14
14
L208
4.7pF
C230
C239
330pF
1uH
L215
1uH
C240
4-5pF
3
30pF
C241
.01uF
C267
J1-3
4.7uF
C258
4.7uF
C254
Q202
C257
.01uF
330pF
C308
L220
150nH
10uF
C253
.022uF
C210
C288
330pF
BUSS_1
120nH
L223
.01uF
C256
R217
390nH
L221
100nH
L212
30K
J1-12
12
BUSS_4
BUSS_2
R213
BUSS_6
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63B81086C68-O