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FM RF signal generator using step recovery diode

  • US 4,013,966 A
  • Filed: 10/16/1975
  • Issued: 03/22/1977
  • Est. Priority Date: 10/16/1975
  • Status: Expired due to Term
First Claim
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1. In a signal generator for generating frequency modulated RF signals available for testing key parameters of FM receivers the combination comprising:

  • a. signal generating means for generating an output signal of a predetermined frequency;

    b. pulse generating means coupled to said signal generating means for generating narrow output pulses at said predetermined frequency;

    c. modulator circuit means coupled to said pulse generating means;

    d. variable frequency signal means coupled to said modulator circuit means for frequency modulating said narrow pulses to provide a plurality of frequency modulated RF signals at the output of said modulator circuit means.

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