DIGICONV.SCH
A
B
0.33u
C35
0.33u
C34
1
400V
BR1
(240V/50Hz)
to generator output
R54
13.5k
H11L1M
IC15
11V
ZD1
2
4
R55
1k
to R1-(IC1)
to pin 9-IC4B
D
0.1u
C31
R47
1M
R40
4k7
R39
2k
P4
9
8
13
12
C27
500R
A+
Vref
one-shot
4093
IC2C
4093
IC2D
10uF
5
6
7
11
3
10
11
C28
LM723
A-
CS
CL
100p
4
3
2
10
4n7
C32
6
5
470n
C29
oscillator
4k7
R48
4093
IC2B
1k5
R42
10R
R41
4
+5.00V
1
2
R49
10k
R43
4k7
CS
INC
DP
W
U/D
D4
R50
43k
4148
4
7
5
AD5220
IC10
R44
30k
1
TLC3702
IC11A
comparator
2
3
R51
100k
to S/H-(LF398) - pin 5-IC5
5
B
IC9D
100k
R52
13
14
12
5
ay
a
ax
LM324
to VCT- pin 5-IC6 C
14
IC14
13
12
+VS
-VS
VC
F.comp
8
buffer
12
VO
GND
4
+12V
4
R45
2M2
12
9
16
R2
R46
13k
VCIN
1uF
5
4
3
VCOUT
BIN
2
Number
28-Dec-2010
C:\ADVSCH\DIGICONV.SCH
B
6
Sheet of
Drawn By:
E
+5V
4046V2
4
3
IC13
6
DIGITAL POT STORAGE CONVERTER
electronic switches
0.1u
C33
4053-1
cx
c
cy
IC12
C30
50Hz test VCO
Date:
File:
Size
Title
1M
R53
by
3
b
C
6
5
8
VDD
3
H
L
6
8
4
2
bx
6
D
1
2
A
11
1
B
10
15
C
9
VCC
R1
11
14
7
2
INH
6
AIN
VEE
7
CB
GND
8
CA
INH
5
16
VDD
VSS
8
1
2
Les Banki
Revision
3
output
GND
to pin 6-IC5
A
B
C
D
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