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
Ω
1/4
10k
Ω
15k
Ω
200k
Ω
3k
Ω
10M
Ω
3k
Ω
3k
Ω
10k
Ω
10M
Ω
10k
Ω
V
O2
V
O3
10M
Ω
10k
Ω
O1
V
51k
Ω
51k
Ω
V
1
V
2
51k
Ω
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
Ω
1k
Ω
5V
1M
Ω
100k
Ω
1M
Ω
Offset Adjust
R
s
R
I
15k
Ω
0.5
µ
F
R2
1/4
LM139
100k
Ω
10k
Ω
e
I
20M
Ω
5V
5.1k
Ω
1N4148
5.1k
Ω
5.1k
Ω
100k
Ω
1/4
LM139