LM2917 National Semiconductor, LM2917 Datasheet - Page 8

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

Typical Applications
(Continued)
Two-Wire Remote Speed Switch
TL H 7942 – 15
100 Cycle Delay Switch
V
C1
CC c
V3 steps up in voltage by the amount
C2
for each complete input cycle (2 zero crossings)
TL H 7942 – 16
Example
If C2
200 C1 after 100 consecutive input cycles
e
V3
1 2 V
e
CC
8