Multi-mode, multi-band communication system

  • US 6,704,549 B1
  • Filed: 01/03/2000
  • Issued: 03/09/2004
  • Est. Priority Date: 03/03/1999
  • Status: Expired due to Term
First Claim
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1. A method of communicating, comprising the steps of:

  • (1) selecting an information signal from one or more information signals as a selected information signal;

    (2) determining a desired frequency for an oscillating signal;

    (3) modulating said oscillating with said selected information signal according to a desired modulation scheme to create a modulated oscillating signal;

    (4) gating a bias signal at a rate that is a function of said modulated oscillating signal to create an angle modulated harmonically rich signal;

    (5) enabling a filter circuit to process said angle modulated harmonically rich signal; and

    (6) filtering, in said filter circuit, said angle modulated harmonically rich signal to isolate one or more desired harmonics, each of said one or more desired harmonics being a desired output signal having a desired output frequency, wherein said gating step is performed by a frequency translation module having a square wave generator that accepts said modulated oscillating signal and generates a square wave, a pulse shaper that accepts said square wave and generates a string of pulses, and a switch being controlled by said string of pulses and being connected to said bias signal and generating said harmonically rich signal, said switch having a first port, a second port, and a control port, wherein said string of pulses is connected to said control port, said bias signal is connected to said first port, and said harmonically rich signal is connected to said second port.

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