Datasheet

LM139,A-LM239,A-LM339,A
7/10
TYPICAL SINGLE (continued)
TWO-DECADE HIGH-FREQUENCY VCO
LIMIT COMPARATOR
SPLIT-SUPPLY APPLICATIONS
ZERO CROSSING DETECTOR
CRYSTAL CONTROLLED OSCILLATOR
COMPARATOR WITH A NEGATIVE
REFERENCE
V
CC
Output 1
Output 2
V
CC
100k
3k
5.1k
V
CC
/2
V
CC
/2
0.01
µ
F
500pF
100k
0.1
µ
F
20k
50k
Frequency control
voltage input
v
control
V
CC
=+30V
+250mV
V
control
+50V
700 Hz f 100kHz
o
20k
3k
1/4
LM139
1/4
LM139
1/4
LM139
10k
e
I
~
R
S
2R
S
V
(ref)
high
2R
S
V
(ref)
low
2N 2222
(12V)
V
CC
Lamp
1/4
LM139
1/4
LM139
15V
5.1k
e
o
e
I
~
15V
1/4
LM139
2k
0.1
µ
F
200k
f = 100kHz
e
o
=15V
V
CC
V
CC
0
100k
200k
1/4
LM139
15V
5.1k
e
o
e
I
~
15V
5V
1/4
LM139