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Microwave oscillator with noise degeneration feedback circuit

  • US 5,220,292 A
  • Filed: 01/02/1992
  • Issued: 06/15/1993
  • Est. Priority Date: 01/02/1992
  • Status: Expired due to Fees
First Claim
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1. A signal source comprising:

  • (a) an oscillator having an output and a control port; and

    (b) a feedback circuit disposed between the output and the control port of the oscillator, the feedback circuit comprising;

    (i) a modulated laser, having an input and an output, the input coupled to the output of the oscillator;

    (ii) a fiber-optic cable having a first end and a second end, the first end connected to the output of the modulated laser; and

    (iii) a photo detector having an input and an output, the input connected to the second end of the fiber-optic cable.

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