NASA NTRS · 19720000307
A simple tachometer circuit
Abstract
Electric circuit to measure frequency of repetitive sinusoidal or rectangular wave is presented. Components of electric circuit and method of operation are explained. Application of circuit as tachometer for automobile is discussed.
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Dimeff, J.. 1972-09-01. A simple tachometer circuit. https://ntrs.nasa.gov/citations/19720000307
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