Folding-type analog-to-digital converter

Details Folding-type analog-to-digital converter Folding-type analog-to-digital converter

1984-04-30

1987-03-03

Shoop, Jr., William M.

Communications: electrical

Audible indication

Percussion-type sound producer

H03K 1309

Patent

active

046479040

ABSTRACT:
A folding-type A/D converter for converting an analog input signal to an n-bit digital code, the A/D converter having a transfer function dividing the analog input signal into at least n-1 segments, each such n-1 segment having an amplitude level corresponding to the significance of a given bit of the digital code and having linear parts which are mirror images of one another extending over 2.sup.n transition levels L. The A/D converter includes voltage-current converters for converting voltage input signals to current signals, a plurality of circuit stages for producing the linear parts in the current domain in response to the current signals, and a converter for converting the linear parts to a logic 1 or logic 0 of the bits of the digital code.

REFERENCES:
patent: 4058806 (1977-11-01), Nadler
patent: 4275386 (1981-06-01), Michel et al.
patent: 4306224 (1981-12-01), Geller et al.
patent: 4325054 (1982-04-01), Van De Plassche
patent: 4379285 (1983-04-01), Dooley
A. Arbel and R. Kurz, "Fast ADC", IEEE Transaction on Nuclear Science, vol. NS-22, Feb., 1975, pp. 446-451.
D. Hoeschele, Analog-to-Digital/Digital-to-Analog Conversion Techniques, Aug. 1968, pp. 10-11.

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