Circuit arrangement for the conversion of analog signals into bi

Details Circuit arrangement for the conversion of analog signals into bi Circuit arrangement for the conversion of analog signals into bi

1986-08-29

1988-03-01

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307261, 307268, 328164, H03K 501

Patent

active

047288990

ABSTRACT:
For converting analog signals into binary signals which are respectively allocated to zero axis crossings of the analog signals, the analog signals are first converted into rectangular signals whose binary values change at the zero axis crossings of the analog signals. The rectangular signals are supplied to a delay unit which delays the rectangular signals in steps by a respective time duration which is short in comparison to a shortest period duration of the rectangular signals. Dependent on the various, simultaneously appearing binary values of the delayed rectangular signals, a processing unit generates binary signals which are respectively allocated to a correct zero axis crossing of the analog signals. The processing unit can contain a read-only memory and/or a microprocessor, and can also be fashioned such that it automatically adapts to disturbances present in the analog signals in order to generate correct binary signals, despite these disturbances.

REFERENCES:
patent: 3665327 (1972-05-01), Prentky et al.
patent: 3879342 (1975-04-01), Patel
patent: 4045743 (1977-08-01), Walker
patent: 4090144 (1978-05-01), Jenik et al.
patent: 4382298 (1983-05-01), Evans
patent: 4425637 (1984-01-01), Tanaka et al.
patent: 4546394 (1985-10-01), Yamamoto

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