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ARTICLE
Year : 2015  |  Volume : 5  |  Issue : 1  |  Page : 41-44

Triple Single Slope and Dual Slope Frequency to Voltage Converter Circuits


Department of Electrical Engineering, Indian Institute of Technology, Chennai, Tamil Nadu, India

Correspondence Address:
Krishnagiri Chinnathambi Selvam
Department of Electrical Engineering, Indian Institute of Technology, Chennai, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0976-8580.149485

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A sinusoidal frequency to voltage converters using op-amp based triple integrators, dual comparator and dual peak detectors, is explained in this paper. The output DC voltage is linearly proportional to the sinusoidal input frequency. The proportional constant is the product values of a resistor, a capacitor and a reference DC voltage. By employing precision values for these three quantities, an acceptable level of accuracy can be achieved. Verification of feasibility of the circuit is established by way of test results.


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