LM2917 National Semiconductor, LM2917 Datasheet - Page 9

• Manufacturer Part Number: LM2917
• Description: LM2907/LM2917 Frequency to Voltage Converter
• Manufacturer: National Semiconductor

Typical Applications
Precision two-shot output frequency
equals twice input frequency
Pulse width
Pulse height
Flashing begins when f
Flash rate increases with input frequency
increase beyond trip point
e
e
V
CC
2
V
ZENER
C1
I2
IN t
100 Hz
(Continued)
Variable Reluctance Magnetic Pickup Buffer Circuits
Flashing LED Indicates Overspeed
Finger Touch or Contact Switch
TL H 7942– 39
9
TL H 7942 – 18
TL H 7942– 20
TL H 7942 – 17
TL H 7942 – 19