Digital transmitter

  • US 7,580,474 B2
  • Filed: 08/31/2006
  • Issued: 08/25/2009
  • Est. Priority Date: 06/20/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A component comprising:

  • a semiconductor chip;

    a transmitter circuit within the chip, the transmitter circuit being operable to accept a parallel digital input signal and transmit a serial output signal representing information in the input signal, the output signal including a series of signal levels, each signal level having a discrete signal level value, each signal level denoting a digital value, the number of different signal level values in the output signal being greater than the number of different digital values denoted by the output signal, each signal level having a signal level value which is a function of the digital value denoted by that signal level and of the digital values denoted by one or more preceding signal levels, the signal level values being selected to emphasize high frequency components of the output signal relative to low frequency components of the output signal.

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