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Modulator of phase shift keying (PSK) type

  • US 20030112894A1
  • Filed: 03/14/2002
  • Published: 06/19/2003
  • Est. Priority Date: 12/13/2001
  • Status: Active Grant
First Claim
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1. A phase shift keying modulator for performing data modulation by using a phase difference between I/Q channels, comprising a data shifter for controlling delay of I/Q channel digital data at input terminals of the I/Q channels. a first data shifting means for controlling delay of I channel digital data;

  • a second data shifting means for controlling delay of Q channel digital data.

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