Digital to analog converter using a programmable logic array

Details Digital to analog converter using a programmable logic array Digital to analog converter using a programmable logic array

1989-06-26

1993-04-06

Williams, Howard L.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341154, H03M 176

Patent

active

052007510

ABSTRACT:
A digital to analog converter, wherein a time/voltage array is programmable, to determine which of the possible reference voltages will be enabled by which of the control inputs. Anther set of programmable options, in an output connection matrix, determines which of the internal voltage lines will be connected to which output lines. After the output connection matrix, output selection logic is used to determined which class of output levels are to be used. The output selection logic also preferably includes polarity-reversal gates, so that the polarity of a bipolar output can be reversed.

REFERENCES:
patent: 4366470 (1982-12-01), Takanashi et al.
patent: 4462021 (1984-07-01), Watanabe et al.
patent: 4543560 (1985-09-01), Holloway
patent: 4641131 (1987-02-01), Demmer
patent: 4758745 (1988-07-01), Elgamal et al.
patent: 4763105 (1989-07-01), Jeno
patent: 4816830 (1989-03-01), Cooper
patent: 4918448 (1990-04-01), Hauviller et al.
"A CMOS 10-Bit D/A Converter," 1974 ISSCC Digest 196-197.

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