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Waveshaping circuit

  • US 4,668,875 A
  • Filed: 04/08/1986
  • Issued: 05/26/1987
  • Est. Priority Date: 04/09/1985
  • Status: Expired due to Term
First Claim
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1. A waveshaping circuit for providing high and low logic levels from a voltage source to a digital circuit comprising means for converting said voltage source into voltage signals of predetermined values, a low-pass filter connected to said converting means for eliminating noise components of said voltage signals, a voltage limiter for limiting said voltage signals to a predetermined voltage range covering both the high and low logic levels, and a voltage divider for receiving and dividing said voltage signals to supply output voltages corresponding to high or low logic levels to the digital circuit.

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