Method of amplitude-frequency conversion and a converter which o

Details Method of amplitude-frequency conversion and a converter which o Method of amplitude-frequency conversion and a converter which o

1973-12-13

1976-07-06

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307235J, 307271, 321 2, 328127, H03K 116, H03K 372

Patent

active

039684474

ABSTRACT:
The amplitude of an electrical signal is converted into a current of proportional intensity which is integrated and an integration voltage appears at the terminals of the integrating circuit. There is produced a signal which initiates stopping of the current integration and a signal which initiates the start of a following integration at the instant when the integration voltage attains a threshold value V.sub.O. Stopping of the integration occurs after a time-delay .theta., when the integration voltage has overstepped the threshold value V.sub.O and attained a maximum value V'.sub.O. The threshold value V.sub.O is adjusted so as to control the maximum value V'.sub.O in dependence on a reference voltage V".sub.O which is higher than V.sub.O. The frequency of integrations is measured, with the result that the conversion frequency is thus determined.

REFERENCES:
patent: 3419784 (1968-12-01), Winn
patent: 3560864 (1971-02-01), Nihof
patent: 3720846 (1973-03-01), Borer

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