Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1986-12-05
1989-01-10
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307443, 307465, 307479, 307480, 307591, 307602, H03K 3037, H03K 513
Patent
active
047975750
ABSTRACT:
A flip-flop circuit is provided for use in a phase-locked loop circuit, the flip-flop having two signal paths for selecting a VCO output during velocity lock and phase lock. The two signal paths comprise identical environments and therefore eliminate the phase step exhibited by prior art designs in shifting between velocity lock and phase lock. The circuit is also useful in any application where a clock to output delay of a flip-flop connected for normal operation, must have its propagation delay matched to a circuit which simply delays a signal by the same amount.
REFERENCES:
patent: 3930169 (1975-12-01), Kuhn, Jr.
patent: 4002926 (1977-01-01), Moyer
patent: 4019144 (1977-04-01), Lincoln et al.
patent: 4477738 (1984-10-01), Kouba
patent: 4506165 (1985-03-01), Gulati et al.
patent: 4506167 (1985-03-01), Little et al.
patent: 4629909 (1986-12-01), Cameron
Puri et al, "Flush-Through Latch", IBM T.D.B., vol. 24, No. 7A, Dec. 1981, pp. 3115-3116.
Hudspeth D. R.
Miller Stanley D.
Western Digital Corporation
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