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Phase programmable signal generator means

  • US 4,484,296 A
  • Filed: 07/19/1982
  • Issued: 11/20/1984
  • Est. Priority Date: 07/19/1982
  • Status: Expired due to Term
First Claim
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1. Phase programmable signal generator means comprising, in combination:

  • first means for supplying a clock signal;

    signal supply second means for supplying a phase control signal;

    third means for supplying a synchronizing signal;

    counter means including phase control signal input means, synchronizing signal input means, clock signal input means and digital output signal means for supplying digital output signals which change when a clock signal is applied to said clock signal input means and which change in relative phase in accordance with signals received at said phase control signal input means;

    means for receiving signals from said first, second, and third means at appropriate inputs of said counter means, the synchronizing signal acting to resynchronize the counter output signal after phase shift changes; and

    conversion means, connected to said digital output signal means of said counter means, for changing received digital output signals to an analog representation of a trigonometric function of the received digital number signal.

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