Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1980-04-04
1982-12-28
Zazworsky, John
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307264, 307555, 328 14, 328168, H03K 508, H03K 5156
Patent
active
043663966
ABSTRACT:
Semiconductor circuit for transforming sequences of periodic a-c voltage signals, including a signal input, a signal output, n pair of identical first and second transistors each having a control electrode and first and second current-carrying terminals, the first current-carrying terminal of each of the first transistors being connected to the signal input, the second current-carrying terminal of each of the first transistors and the corresponding second current-carrying terminal of each of the second transistors of each of the transistor pairs being connected together, n different combinations of resistances each being connected between a connection of the second current-carrying terminals of a transistor pair and the signal output, the combinations of resistances of each transistor pair together forming a resistance network, the first current-carrying terminal of each of the second transistors being at a common operating potential which is different from ground, and a digital counter having n counting stages and being driven by a clock generator with counting pulses, the digital counter being connected for driving the control electrodes of each transistor, the digital counter stages having signal outputs connected to each transistor pair.
REFERENCES:
patent: 3810035 (1974-05-01), Gundry
patent: 4234807 (1980-11-01), Esser et al.
D. Ulrich, Grundlagen der Digital-Elektronik und digitalen Rechentechnik, second edition, Munich 1975, p. 176.
Bigall Klaus D.
Muhlbauer Otto
Rosler Helmut
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
Zazworsky John
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