Datasheet

LM139,A-LM239,A-LM339,A
6/10
TYPICAL SINGLE (continued)
TIME DEALY GENERATOR
LOW FREQUANCY OP AMP WITH OFFSET
ADJUST
ZERO CROSSING DETECTOR (single power
supply)
V
CC
O
A
0
tt
V
(ref.)
10k
1/4
10k
15k
200k
3k
10M
3k
3k
10k
10M
10k
V
O2
V
O3
10M
10k
O1
V
51k
51k
V
1
V
2
51k
0.001
µ
F
V
C1
V
3
INPUT GATING SIGNAL
V
CC
V
C1
V
1
V
2
V
3
0
0
1
t
t
3
t
4
t
2
t
t
V
CC
t
0
t
1
V
CC
t
0
t
2
V
CC
t
0
t
3
V
CC
=+15V
1/4
LM139
1/4
1/4
LM139
LM139
LM139
e
I
~
2N 2222
5V
e
o
R1
100k
1k
5V
1M
100k
1M
Offset Adjust
R
s
R
I
15k
0.5
µ
F
R2
1/4
LM139
100k
10k
e
I
20M
5V
5.1k
1N4148
5.1k
5.1k
100k
1/4
LM139