Clock controlled dual slope voltage to frequency converter

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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307362, 307263, 307267, 307271, 307519, 307269, 328127, 328150, H03K 500, H03K 5153, H01P 308

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active

046238000

ABSTRACT:
Clock-controlled dual slope voltage to frequency converter has an integrator supplying a charging ramp to a threshold detector. The slope of the ramp depends on the input voltage to the integrator and the threshold detector is triggered by the ramp to enable a pulse from a clock to generate a constant current discharge pulse. The discharge pulse is fed to the integrator to produce a discharge ramp back below the threshold. The frequency output is taken from the output of the threshold detector to be synchronous with triggering of the detector.

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Radio Fernsehen Electronik, vol. 26, No. 15, Aug. 1988, Berlin (DD) M. Seifart et al.: "Spannungs-und-Stromfrequenzwandler nach dem Integrationsverfahren", pp. 507-510.
Messen + Prufen/Automatik, No. 1/2, Jan./Feb. 1979 Woerishoffen (DE) A. Haug: "Widerstands-Frequenz-Umsetzer nach der Ladungs-Bilanzmethode", pp. 65-67.

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