D/A conversion interface for digital servo signals

Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion

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H03M 166

Patent

active

057195757

ABSTRACT:
A D/A conversion interface is provided with a first switch for supplying a constant current to a smoothing circuit that outputs an analog signal, and a second switch for extracting the constant current from the smoothing circuit. The operation period of the first switch is controlled by forward signal pulses of a digital servo signal; the operation period of the second switch is controlled by reverse signal pulses of the digital servo signal.

REFERENCES:
patent: 4954906 (1990-09-01), Nakamura et al.

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