Thursday, April 28, 2011

Frequency to Voltage Converter

Overview of IC LM2917 as Frequency to Voltage Converter

IC LM2917 IC chip is designed specifically as a Frequency to Voltage Converter or Frequency to Voltage converter. In its use to applications Frequency to Voltage Converter IC LM2917 requires few external components.

There are several examples of applications of Frequency to Voltage Converter IC LM2917 is supplied in the LM2917 IC datahseet. In this article series Frequency to Voltage Converter IC also taken from the LM2917 datasheet. The advantages of single chip LM2917 Frequency to Voltage Converter is able to provide instantaneous volt output o at time of frequency change 0 Hz.

Frequency to Voltage ConverterVery easy to apply in measuring the output frequency with the formulation of single-chip Frequency to Voltage Converter VOUT = FIN x VCC x R1 x C1. Then the single-chip LM2917 Frequency to Voltage Converter This configuration requires only the RC only in frequncy doublings. And has an internal zener regulator to aimlessly accuracy and stability in frequency-to-voltage conversion process.

Frequency to Voltage Converter
Frequency to Voltage Converter


Feature-owned single-chip LM2917 Frequency to Voltage Converter

  • Reference to ground directly with variable reluctance
  • Op Amp / Comparator with transistor output
  • 50 mA maximum output currents for application directly to the load
  • Frequency doubling untul low ripel
  • Buid in zener
  • Linear output ± 0.3%

Application single chip LM2917 Frequency to Voltage Converter

  • Frequency to Voltage Converter
  • Rotation speed sensor applications
  • Speedometer
  • Tachometer
  • Cruise Control
  • Cluth Control

And other application associated with the measurement of rotation speed or frequency measurements.

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