Method and device for converting voltage to frequency

Details Method and device for converting voltage to frequency Method and device for converting voltage to frequency

1990-03-16

1991-04-16

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

331 1R, 341157, H03L 700, H03M 160

Patent

active

050085646

ABSTRACT:
A method for converting voltage to frequency and a device for implementing the method where an extremely rapid and highly accurate digitization of an input signal at a great freqency deviation is achieved using simple means. An input voltage which is raised into the positive range, is integrated, and as an integrated voltage is compared with a reference voltage which is variable in constant voltage steps. The resulting differential voltage acts upon a voltage controlled oscillator through a control element. The voltage controlled oscillator emits a pulse repetition frequency which is proportional to the output voltage of the controlling element. The reference voltage is incremented with each pulse so that this voltage follows the integrated voltage in a step-like manner. The pulse repetition frequency of the pulses, which are generated by the voltage controlled oscillator, is therefore proportional to the input voltage.

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