Method and apparatus for enhancing the signal resolution of an a

Details Method and apparatus for enhancing the signal resolution of an a Method and apparatus for enhancing the signal resolution of an a

1989-10-23

1990-10-16

Shoop, Jr., William M.

Coded data generation or conversion

Analog to or from digital conversion

Increasing converter resolution

341155, 341118, H03M 120

Patent

active

049638815

ABSTRACT:
A method and apparatus for enhancing the resolution of an analog-to-digital converter. The method uses the addition of a second analog waveform to a first analog signal which is to be converted. When the composite signal is converted to digital form, this enhances the effective resolution of the A/D converter with respect to the first signal. Integration of the composite digital signal causes the effects of the second waveform to average to zero. The result is an enhanced resolution signal without undesired effects of the added second signal.

REFERENCES:
patent: 3882488 (1975-05-01), Kosakowski et al.
patent: 4751496 (1988-06-01), Araki et al.

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