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Chireix architecture using low impedance amplifiers

  • US 20040075492A1
  • Filed: 10/16/2002
  • Published: 04/22/2004
  • Est. Priority Date: 10/16/2002
  • Status: Active Grant
First Claim
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1. A circuit for providing amplification to signals, the circuit comprising:

  • a signal combiner;

    at least two signal amplifiers each receiving and amplifying a signal, said signal amplifiers being coupled in parallel to said combiner, each of said signal amplifiers having a low output impedance and acting as a voltage source, wherein each signal received and amplified by each of said signal amplifiers is phase modulated;

    outputs of each of said signal amplifiers are added by said combiner to produce a resulting signal; and

    amplitude modulation of said resulting signal from said combiner is achieved by an addition of said outputs.

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