Programmable arrays for data conversions between analog and digital

  • US 6,169,503 B1
  • Filed: 09/23/1998
  • Issued: 01/02/2001
  • Est. Priority Date: 09/23/1998
  • Status: Expired due to Term
First Claim
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1. A converter comprising:

  • a plurality of transistors having a plurality of different threshold voltages;

    an input terminal coupled to apply an analog input signal to the gates of the transistors; and

    an encoder coupled to the transistors, wherein the encoder generates a multi-bit output signal that represents a value that depends on which of the transistors conduct when the analog signal is applied; and

    an array of memory cells that contain the plurality of transistors.

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