Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1977-08-29
1979-05-15
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307232, H03D 1300
Patent
active
041550455
ABSTRACT:
A sawtooth phase comparator comprising a bistable flip-flop is provided with a controlled 180.degree. phase-shifter on one input so that a phase shift is carried out when the time between successive SET- and RESET pulses to the flip-flop is less than a given time, thereby improving the linearity of the output characteristic of the comparator.
REFERENCES:
patent: 3328688 (1967-06-01), Brooks
patent: 3593161 (1971-07-01), Ritz
patent: 3600690 (1971-08-01), White
patent: 3986128 (1976-10-01), Eriksson et al.
Heyman John S.
Telefonaktiebolaget L M Ericsson
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