LM111, LM211, LM311
DIFFERENTIAL COMPARATORS WITH STROBES
SLCS007H − SEPTEMBER 1973 − REVISED AUGUST 2003
APPLICATION INFORMATION
V
CC+
= 5 V
3.9 kΩ
†
30 kΩ
1 kΩ
1 kΩ
2N3708
1N914
Output
Input
From
TTL
1N914
2N2222
+
1.5 μF
2N2222
2.7 kΩ
510 Ω
2N2222
2.2 kΩ
†
Adjust to set clamp level
Figure 22. Precision Squarer
V
CC+
= 5 V
5 V
Opto Isolator
5 kΩ
1 kΩ
TTL
Output
100 Ω
From
TTL
1 kΩ
Gate
0.01 μF
50 kΩ
1 kΩ
Figure 23. Digital Transmission Isolator
V
CC+
= 15 V
2 kΩ
Input
TL081
−
+
Output
10 kΩ
1.5 μF
+
1 MΩ
= −15 V
V
CC−
Figure 24. Positive-Peak Detector
14
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TI [ TEXAS INSTRUMENTS ]
