Datron PRC1099A - Page 134

1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
SIZE
DWG. NO.
FSCM NO.
REV
SEE SH 1 FOR REVISIONS
5/26/2015 2:38:56 PM
SCALE:
B
SHEET
994073D_sh3.SchDoc
FILENAME:
66943
OF
994073 D
NONE
6
3
5.5V
C9
100nF
C48
3900pF
C50
4.7uF/25V
C8
4.7uF/25V
C10
100nF
C49
3900pF
C53
4.7uF/25V
1 2
4 3
L4
20UH
C4
4.7uF/25V
L1
100nH POWER
C6
4.7uF/25V
L2
100nH POWER
D4
MMBD4148
D3
MMBD4148
SWITCHING SUPPLY BOUNDARY
R9
7K68
R8
27K4
R4
1K
R3
1K
C107
100nF
C105
100nF
R88
10K
D1
MBRS130L
D2
MBRS130L
Boost
1
Vin
2
SW
3
GND
4
SHDNb
5
FB
6
VC
7
SYNC
8
GND
9
U2
LT1767
Boost
1
Vin
2
SW
3
GND
4
SHDNb
5
FB
6
VC
7
SYNC
8
GND
9
U1
LT1767
TP1
PAD
TP3
PAD
TP6
PAD
TP8
PAD
TP10
PAD
TP11
PAD
TP2
PAD
TP5
PAD
TP7
PAD
TP9
PAD
TP38
PAD
TP36
PAD
TP37
PAD
C7
4.7uF/25V
TP4
PAD
TP17
PAD
TP18
PAD
1 2
4 3
L26
CTX33-2A
R87
10K
R35
DNP
R36
DNP
R1
0.2
R2
0.2
R31
10K
R30
21K
3.8VDC
C55
1uF
C61
10nF
C56
1uF
C62
10nF
C58
1uF
C63
10nF
R32
5K76
+1.8V
+3.3V
Out
1
ADJ
2
GND
3
BYP
4
SHDNb
5
GND
6
GND
7
IN
8
U3
LT1763
Out
1
ADJ
2
GND
3
BYP
4
SHDNb
5
GND
6
GND
7
IN
8
U4
LT1763
Out
1
ADJ
2
GND
3
BYP
4
SHDNb
5
GND
6
GND
7
IN
8
U5
LT1763
+5.0V
E3
PAD
E1
PAD
E2
PAD
E4
PAD
E8
PAD
E7
PAD
E5
PAD
E6
PAD
E10
PAD
E9
PAD
C51
4.7uF/25V
C52
4.7uF/25V
C54
4.7uF/25V
R20
37K4
TP14
PAD
TP12
PAD
TP15
PAD
TP13
PAD
TP39
PAD
TP42
PAD
TP43
PAD
C11
4.7uF/25V
C12
4.7uF/25V
C13
4.7uF/25V
C81
4.7uF/25V
C80
4.7uF/25V
R136
DNP
R14
DNP
C82
1uF
C114
10nF
Out
1
ADJ
2
GND
3
BYP
4
SHDNb
5
GND
6
GND
7
IN
8
U15
LT1763
+10V
E11
PAD
E13
PAD
E12
PAD
C20
4.7uF/25V
TP22
PAD
TP21
PAD
C90
4.7uF/25V
R12
0R
R10
0R
R11
0R
R15
0R
R13
0R
R90
0R
R140
0R
R22
12K1
R21
12K1
R23
12K1
R24
21K
PROBE GROUND
TP51
TEST POINT
+12VA
R7
0R
+12V
+12V
R115
95K3
R61
12K7
PRC1099A-MS
Figure 8-5
Synthesizer Board
Schematic Diagram 3 of 6
(994073 Rev. D)
8-11