Nle4249A Uhf Range 1 Rf Board Schematic Diagram, Sheet 2 Of 3 - Motorola ASTRO XTS 3000 Service Manual

TP8 BUSS_08
SYNTH_CE
J1-9 9
R208
2.4K
L218
390nH
C206
.0015uF
L212 C230
CR202
18nH 1.8pF C225
OMIT 1pF
C222
C228
4.3pF
100pF C226 L211
9.1pF 7.4nH R217
15K
L213
C223
4-5pF
390nH
CR203
VEE
C227
100pF
C243 C239
7.5pF 7.5pF
L207
CR208 CR201
150nH
L209
390nH
CR209 CR207
C244 C238
.022uF 100pF
TP5
VEE
V_CTRL
LOCK_DETECT
BUSS_09
MOD_IN
14
J1-14
C303
.022uF
CLOCK
DATA
BUSS_10
REF_OSC_EN
J1-8 8
TP7 BUSS_11
R610
SWB+
J1-18 18
0
C304 C507
4.7uF 68pF
SUPER_FILTER_VOLTAGE
C231
R207
MOD_OUT
68K
10uF C233
100pF
R219
22
Q203
R206
C219 L216
2.2pF 15nH
10K
C221
R204 .01uF
C220 10K 9
C
6.2pF 11 U201
B2
12
E2 62U78
Q202
C237
C236 L208
4.3pF 390nH
3.3pF
L210 C240 R205
R209
14.5nH 4-5pF 15K R203
10
470
L219
18nH
C235
5.1pF
U202
LP2951CM
8
INPUT OUTPUT
7
FEEDBACK ERROR
3
SHUTDOWN SENSE
5V_TAP
C125
SW_B+ 3.3uF
C204
L201
18nH
C292
100pF L224
C202 C203 C205
2.4pF 4.7pF
47nH
OMIT OMIT
100pF
C201
1.5pF
39pF
OMIT
C279
0.1uF
SYNTH_CE
C299 C216
R223 .0047uF 100pF
47K
L204
390nH
SUPER_FILTER_VOLTAGE
C209 C208 C271 C250 C294 R214
.01uF 100pF 4.7uF .001uF 100pF 47K
2
L220
RX 4
TX
16
R215
PS 56nH
43K
8
R220
NC
2K
R210
330
C211
100pF
L215
L205
390nH
22nH
C253
C214 10uF
3pF
L221
390nH
SUPER_FILTER_VOLTAGE
C217
100pF
VEE
V_CTRL
LOCK_DETECT
MOD_IN
CLOCK
DATA
REF_OSC_EN
R118
100K
L202
REG_5V
1
5
2200nH
2
6 C255 C254 C282
.022uF 4.7uF 0.1uF
C500 C210
68pF .022uF
C280
0.1uF
13-14
MOD_OUT
U204
R221 C289 C245 C258
25U31
1.2K 3.3pF .001uF 4.7uF
14
XTAL1
15
3
CLK XTAL2
C257
CR204 4
10
4
CE FREFOUT
30
MODOUT
5
.01uF
MODIN
2 9
DATA VMULT1
8
20
SUPFIN VMULT2
7
VMULT3
6
24
PVREF VMULT4
12
A/D BYPASS
37
C256
AUX1
29 38
CPBIAS1 AUX2
39
28
CPBIAS2 AUX3
40
.01uF
AUX4
17
SUPFCAP
18 26 C266
SUPFBASE TST1
27
21
PREIN TST2
R212 C275
750 0.1uF C267
.01uF
32
IOUT
34
16
NC IADAPT
31 41
.01uF
NC1 LOCK
35
43
NC2 ADAPTSW
19
44
NC3 SUPFOUT
R211 R213
120 750
C247 C246
.022uF
0.47uF
R222
C290 2K
100pF
C274
.01uF
23
EN_CE
24 7
SS C_EXT
27 11
DCWARP V_REG
9 8
DE DET
12
10
V_OPT F_OUT
22 21
SCK SO
25
SI
U203
1
32
NC1 NC18
2 31
NC2 NC17
3 30
NC3 NC16
C260 4 29
NC4 NC15
5
.047uF 28
NC5 NC14
6
14
NC6 NC13
15 20
NC7 NC12
16 19
NC8 NC11
17
18 C511
NC9 NC10
0.1uF

NLE4249A UHF Range 1 RF Board Schematic Diagram, Sheet 2 of 3

RX_INJ
TX_OUT
REF_2.1MHz
5 6
A1 A2 A3
CR205
4 5 6
A1 A2 A3
K1 K2 K3
3 2 1
K1 K2 K3
3 2 1
R218
100K
1 C284 C270
3 .022uF
0.22uF
CR206
2
D
L223
390nH
Q201
S
VEE
BUSS_13
LOCK_DETECT
3 J1-3
REG_5V
BUSS_12
R301
RESET
12 J1-12
0
C506
68pF
RESET_1
SW_B+
63B81086C71-O