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Method and apparatus for stability margin determination in a repeater

  • US 6,745,007 B1
  • Filed: 04/04/2000
  • Issued: 06/01/2004
  • Est. Priority Date: 06/11/1999
  • Status: Expired due to Term
First Claim
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1. A method of determining the stability margin, with respect to a possible self-oscillation, in a radio frequency repeater operating with a predetermined delay between an input and an output and having a feedback path between said output and said input, comprising the steps ofestablishing the amplification of the repeater as a function of the frequency in a frequency band, and observing the magnitude (MA) of wave-like variations in said amplification as a function of the frequency, said magnitude constituting a measure of the stability margin, whereby an increasing magnitude corresponds to a decreasing stability margin.

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