LM111 - LM211 - LM311
TYPICAL APPLICATIONS
CRYSTAL OSCILLATOR
LOW VOLTAGE ADJUSTABLE REFERENCE
SUPPLY
V
CC
= +5V
R4
500
Ω
R1
100k
Ω
V
CC
= +5V
R4
2k
Ω
R1
3.9k
Ω
2
R2
100k
Ω
LM111
3
1
C1
0.1
µ
F
8
100kHz C2
10pF
7
4
R3
50k
Ω
3
2N 1304
R3
10k
Ω
8
LM111
7
1
4
Output
+C 1*
1.5
µ
F
* S old ta nta lum
Output
2
R2
1k
Ω
2N 2222
100KHz FREE RUNNING MULTIVIBRATOR
R1
20k
Ω
V
CC
= +5V
TTL INTERFACE WITH HIGH LEVEL LOGIC
Input
V
CC
= +5V
C1
1200pF
R5
1k
Ω
3
R3
10k
Ω
8
LM111
7
1
4
S qua re wa ve output
R1
240k
Ω
R3
82k
Ω
2
8
LM111
3
4
1
To TTL logic
7
R5
1k
Ω
2
R2
20k
Ω
R4
3 9k
Ω
C1
R2
47k
Ω
R4
82k
Ω
0 to +30Vs wing and
+15V thre sholg
* TTL or DTL fan-out two
AUXILIARY CIRCUITS
STROBE
INCREASING INPUT STAGE
CURRENT
OFFSET BALANCING
R2
3k
Ω
2
LM111
3
Q1
2N 2222
R1
1k
Ω
6
TTL s tro be
7
V
CC
2
5
6
8
LM11 1
3
7
5k
Ω
V
CC
2
5 6
8
LM11 1
3
7
7/9
STMICROELECTRONICS [ STMICROELECTRONICS ]
