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Phase adjusted feedforward error correction

  • US 4,595,882 A
  • Filed: 05/30/1984
  • Issued: 06/17/1986
  • Est. Priority Date: 05/30/1984
  • Status: Expired due to Term
First Claim
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1. A phase adjusted feedforward amplifier system comprising:

  • means for receiving an input signal;

    means for amplifying said input signal to provide an amplified output signal;

    means for sampling said input signal and providing a sampled input signal;

    means for phase and amplitude equalizing said input signal so that said amplified output signal is equal in amplitude and phase with said sampled input signal;

    means for sampling said amplified output signal to provide a sampled output signal;

    means for subtracting said sampled input signal from said sampled output signal to provide a correction signal;

    means for amplifying said correction signal to provide an amplified correction signal;

    means for phase and amplitude equalizing said correction signal so that said amplified correction signal is equal in phase and amplitude to said amplified output signal; and

    means for subtracting said amplified correction signal from said amplified output signal to produce an amplified output of said input signal.

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