Method and system for down-converting electromagnetic signals

CAFC
  • US 6,061,551 A
  • Filed: 10/21/1998
  • Issued: 05/09/2000
  • Est. Priority Date: 10/21/1998
  • Status: Expired due to Term
First Claim
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1. A method for down-converting a carrier signal to a lower frequency signal, comprising the steps of:

  • (1) receiving a carrier signal;

    (2) transferring non-negligible amounts of energy from the carrier signal, at an aliasing rate that is substantially equal to a frequency of the carrier signal plus or minus frequency of the lower frequency signal, divided by n, where n represents a harmonic or sub-harmonic of the carrier signal; and

    (3) generating a lower frequency signal from the transferred energy.

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