Current to frequency converter

Details Current to frequency converter Current to frequency converter

1981-10-19

1985-02-05

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307271, 307311, 307362, 328128, 328151, H03K 301, H03K 524

Patent

active

044980205

ABSTRACT:
A current to frequency converter having an operational amplifier with two inputs, an output, and a feedback capacitor connected between one input and the output to produce an output voltage waveform having a rate of change proportional to the input current between a first and second predetermined voltages. A level detector and active switching devices to detect the second predetermined voltage level and reset the voltage level of the waveform to the first predetermined voltage level. The level detector produces an output signal when the second voltage level is reached. The output signals form a digital pulse stream having a frequency proportional to the input current.

REFERENCES:
patent: 3449695 (1969-06-01), Marsh
patent: 3921012 (1975-11-01), Marshall
patent: 3968447 (1976-07-01), Baylac et al.
patent: 4109168 (1978-08-01), Raymond

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