Analog-to-digital connecter using multi-gate field effect transi

Details Analog-to-digital connecter using multi-gate field effect transi Analog-to-digital connecter using multi-gate field effect transi

1993-05-06

1994-07-19

Young, Brian K.

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

341155, H03M 112

Patent

active

053313232

ABSTRACT:
The present invention is directed to an analog-to-digital (A/D) converter realized by a small circuit. The A/D converter according to this invention generates a discrete output voltage having several levels in response to an input analog voltage. It includes a number of field effect transistors (FETs), each of which corresponds to an output voltage level and has multiple gates for receiving outputs of higher-order FETs, the input voltage and a negative offset voltage. The A/D converter also includes a voltage divider for generating the offset voltage for each FET and a plurality of inverters corresponding to each FET for outputting a constant positive voltage in response to a negative output of the corresponding FET and for outputting a zero voltage responsive to a positive output voltage of the corresponding FET.

REFERENCES:
patent: 4547763 (1985-10-01), Flamm
patent: 5117235 (1992-05-01), Ho-sun
Souda, Yasushi, "The CMOS Device Manual", CQ Shuppan Kabushiki Kaisha, 1991, pp. 252-253.

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