High resolution direct digital synthesizer

Details High resolution direct digital synthesizer High resolution direct digital synthesizer

1990-02-20

1991-03-05

Miller, Stanley D.

Boots, shoes, and leggings

364718, H03K 513, H03C 150

Patent

active

049980726

ABSTRACT:
The frequency resolution of a direct digital synthesizer is increased by varying the phase increment used to accumulate wave lookup table addresses between two integer values. The time periods during which the larger integer value is employed is proportional to a fractional part of the desired phase increment for providing an analog output at a selected frequency.

REFERENCES:
patent: 4331941 (1982-05-01), Kovalick
patent: 4901027 (1990-02-01), Kitayoshi
patent: 4901265 (1990-02-01), Kerr et al.

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