Methods and apparatus for the quantization and analog conversion

Details Methods and apparatus for the quantization and analog conversion Methods and apparatus for the quantization and analog conversion

1992-12-31

1995-04-11

Hoff, Marc S.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341152, H03M 166

Patent

active

054062845

ABSTRACT:
A digital-to-analog converter (DAC) for generating a pulse width modulated (PWM) signal. A dual-DAC implementation includes a read-only memory (ROM) containing a plurality of addressable output signals, respective shift left and shift right registers configured to simultaneously receive an output signal from the ROM, and respective first and second DACs are configured to receive the left shifted output and right shifted output, respectively, from the shift left and shift right registers. Both DAC outputs are applied to an analog summer which generates an output signal indicative of the sum of the outputs from the two DACs.

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patent: 5243346 (1993-09-01), Inami
patent: 5270716 (1993-12-01), Gleim

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