Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1976-01-30
1977-05-03
Miller, Jr., Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307261, 307262, 307270, 328 31, 328 62, 328 63, H03K 508
Patent
active
040217400
ABSTRACT:
A sinewave clock distribution network and a clock driver for use in the network permit simplified distribution and synchronization in very high speed logic and digital transmission systems. The sinewave central clock is connected through a branching network to a plurality of clock drivers located in the vicinity of digital circuits to which clock pulses are to be supplied. Each clock driver includes a receiver amplifier which is AC coupled to the clock line. The output of the receiver amplifier is connected to a phase shift RC network which includes an adjustable capacitance. By adjusting the capacitance in the RC network, the timing or delay of the clock signal can be varied to permit synchronization of the clock signals at various points in the distribution network. The phase delayed signal from the RC network is coupled to a limiter which limits the input sinewave to form a squarewave for use by the digital circuits.
REFERENCES:
patent: 2226459 (1940-12-01), Bingley
patent: 3196368 (1965-07-01), Potter
patent: 3213291 (1965-10-01), Reid
patent: 3268818 (1966-08-01), Cole et al.
"Wave Squarer Shifts Phase as Much as 360.degree." by Jung in Electronics, Aug. 3, 1970, p. 75.
Communications Satellite Corporation (Comsat)
Miller, Jr. Stanley D.
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