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Converters: Period to
Frequency
Converters --
Main Page
Last Updated on:
Friday, March 12, 2010 12:07 PM |
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Links to electronic circuits,
electronic schematics, designs for engineers, hobbyists, students & inventors:
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| Circuits
Designed by Dave Johnson, P.E. : |
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PULSE
PERIOD TO VOLTAGE CONVERTER
This is a test circuit converts a square wave input signal into a voltage. But,
the voltage produced is proportional to the time between edges (period) of the
signal, not the frequency. The range is from 100uS to to 10mS, which produces a
voltage from 100mV to 10 volts. Other scale factors are also possible. The
circuit is powered from single 15v supply and uses inexpensive parts. It is
great when a signal's period instead of its frequency needs to be monitored.
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