Continuously variable clock delay circuit

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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328 55, 328160, 328 63, 307262, 307529, 307490, 307269, H03K 15135, H03K 1726, G06G 720

Patent

active

048089362

ABSTRACT:
A clock-delay circuit for a sinusoidal clock output includes a pair of current amplifiers, each connected to the clock output, wherein one of the amplifiers generates an amplified signal in phase with the clock output and the other generates a signal shifted in phase by 90.degree.. Both signals are multiplied by control signals to alter their respective amplitudes prior to summation of both multiplier outputs. The sum of the multiplier outputs will be a sinusoidal waveform whose phase depends upon the control currents in the multipliers which are set by the user. Thus, the circuit provides a user-controlled continuously variable delay for a sinusoidal clock.

REFERENCES:
patent: 3475626 (1969-10-01), Holzman et al.
patent: 3675137 (1972-07-01), Raphael
patent: 4039930 (1977-08-01), Lukas
patent: 4041533 (1977-08-01), Yamamoto et al.

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