Figure 9.3-22.Pmle4427B Synthesizer Schematic - Motorola ASTRO XTS 2500 Service Manual

UHF2 Schematics, Board Overlays, and Parts Lists
ANA_3V
L202
2.2uH
C246 C230 C223
2.2uF 0.10uF 100pF
F5V_IN ANA_3V
F5V_IN
ANA_3V
SPI_CLK
SYN_SEL
SPI_DATA
PRES_IN
TEST_POINT
TP23
6816985H01-B
C206
D201 0.10uF
4 3
C207
A1 K1
5 2
A2 K2
6 1
A3 K3
0.10uF
C208
C210
10uF
0.10uF
D202
C209 ANA_3V
4 3
A1 K1 L203
5 2
A2 K2
0.10uF
6 1
2.2uH
A3 K3
C217
100pF
C211
F5V_IN
TP209
0.10uF
TP208
TEST_POINT
TEST_POINT TP207
TEST_POINT
TP36
TEST_POINT
1
MODIN NC
NC
R205
30K
R204
47K
NC
C219
10uF
NC
NC
NC
NC
NC
ANA_3V
L204
2.2uH
R207
1K
R206
10K
C234
100pF
C232 C212
0.10uF 100pF
ANA_3V
L201
2.2uH
F5V_IN
C218 C233
0.10uF 0.10uF
K9
XTAL1
K10
XTAL2 NC
F4 K6
CLK_CLK FREFOUT NC
G1 A6
EN_CEX MODOUT
H1 K4
MODIN VMULT1 VMULT1
F1 K3
DATA VMULT2 NC
E10 K1
SFIN VMULT3
J1
VMULT4
U202
B10
PVREF 35U92
G6 A1
VBYPASS AUX1 NC
B1
AUX2 NC
D7 C1
CPB1 AUX3
A7 D1
CPB2 AUX4 NC
H10 A9
SFCAP TEST1 NC
G10 A8
SFBASE TEST2 NC
D10
PREIN
A5
IOUT
G5 A4
REFSEL IADAPT
D6 E1
CCOMP LOCK
A3
ADAPTSW NC
G4 G7
NC1 SFOUT
C200
F10 K5
NC2 INDMULT NC 4700pF
F7 J10
NC3 WARP
4.6VSF_OUT
2
L200
1uH
1
C221 C220 C222
100pF .01uF 10uF
C213 SF_TP
0.10uF TEST_POINT
1
168_TP
C214 TEST_POINT
1 3
1
VCON OUT
.01uF
C215
Y200
100pF
45J68
16.8MHz
F5V_IN
L206
2.2uH
C243
0.10uF
R211
2K
R210
33K U201
4 5
LMH6723
1
3
2
R216
91
C247
1000pF
R208 R212
33K NU
C248
NU
AUX3_TP
TEST_POINT
TRB
R203
VCTRL
220
C202 C203 C204
1K
R202
.047uF .047uF .0012uF
R214
680
R201
82
VC_TP
C201 C236 C237 C238 C239 C240
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
R215
LOCK
10K
C235
100pF
LK_TP
Figure 9.3-22. PMLE4427B Synthesizer Schematic
9.3-23
16.8MHz
L205
C249
1uH
1000pF
C245
100pF
August 16, 2007