Digital-to-analog current converter employing floating gate MOS

Details Digital-to-analog current converter employing floating gate MOS Digital-to-analog current converter employing floating gate MOS

1997-09-30

1999-11-23

Tokar, Michael

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

H03M 100

Patent

active

059908165

ABSTRACT:
The present invention relates to a digital-to-analog converter having a plurality of inputs for digital signals and an output for an analog signal. It comprises a current amplification circuit having an input and an output coupled to the converter output, and a plurality of floating gate MOS transistors corresponding to the plurality of converter inputs and having their source terminals coupled together and to a first reference of potential. The converter has drain terminals coupled together and to the input of the amplification circuit, and has control terminals coupleable, under control from the inputs of the plurality, to different references of potential having selected fixed values.

REFERENCES:
patent: 4594577 (1986-06-01), Mao
patent: 4667178 (1987-05-01), Ryu
patent: 5376935 (1994-12-01), Seligson
patent: 5394359 (1995-02-01), Kowalski
Kramer et al., "Flash-Based Programmable Nonlinear Capacitor for Switched-Capacitor Implementations of Neural Networks," in Technical Digest of the International Electron Devices Meeting, IEEE, San Francisco, Dec. 11-14, 1994, pp. 449-452.

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