QUAD VOLTAGE COMPARATOR
TYPICAL APPLICATIONS
V+
100㏀
+vc
FREQUENCY
CONTROL
VOLTAGE
INPUT
500㎊
-
10 ¼LM339
+
0.1㎌
V+/2
20㏀
50㏀
-
¼LM339
+
V+/2
OUTPUT2
20㏀
+V
REF LOW
100㏀
3.0㏀
5.1㏀
+
0.01㎌
¼LM339
-
+V
IN
~
2Rs
+
OUTPUT1
Rs
V+
3.0㏀
2Rs
+V
REF HI
+
-
10㏀
LM339
V+(12V )
DC
LAMP
2N2222
-
V+=+30V
CC
+25㎷
DC
≤V
C
≤+50V
DC
700Hz≤f ≤100kHz
O
TWO-DECADE HIGH-FREQUENCY VCO
+5V
DC
LIMIT COMPARATOR
360
+V
REF4
-
+
100K
-5V
DC
100
+
+5V
DC
+V
REF
360
(-1.4VDC)
V
0
0
¼LM339
-
10㏀
-12V
-12V
DC
-
+
100K
100
V
0
+5V
DC
360
V
+
+V
REF3
TTL-to-MOS LOGIC CONVERTER
+V
REF2
-
200㏀
+
100K
100
-
0.1㎌
+5V
DC
360
200㏀
CRYSTAL
f=100㎑
+
V
0
V
+
0
100㏀
2.0㏀
+V
REF1
-
+
100K
100
VISIBLE VOLTAGE INDICATOR
CRYSTAL-CONTROLLED OSCILLATOR
HTC
163