A/D converter having multiplication function

Details A/D converter having multiplication function A/D converter having multiplication function

1988-04-14

1990-04-17

Shoop, Jr., William M.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341159, 341155, H03M 136

Patent

active

049184539

ABSTRACT:
A semiconductor integrated circuit which is comprised of the following; a plurality of comparators which respectively compare analog values inputted for multiplication with individual reference voltages respectively, multiplication means which controls values outputted from those plural comparators by applying signals corresponding to digital values inputted for multiplication and outputs the product of the values outputted from those plural comparators and the digital values, and a complement operation circuit which converts the value outputted from multiplication means into complement when the digital value is negative.

REFERENCES:
patent: 4612531 (1986-09-01), Dingwall et al.
patent: 4639715 (1987-01-01), Doluca
patent: 4709226 (1987-11-01), Christopher
Verster, "IEEE Transactions on Electronic Computers", Aug. 1964, pp. 471-473.

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