Folding circuit and serial-type A/D converter

Details Folding circuit and serial-type A/D converter Folding circuit and serial-type A/D converter

1988-11-14

1990-06-05

Shoop, Jr., William M.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341159, 341169, 330 84, 330260, 307362, H03M 144

Patent

active

049317970

ABSTRACT:
A serial-type analog-to-digital converter includes a plurality of serially connected folding circuits. Each folding circuit includes a first operational amplifier having an inverting input connected to an input terminal, and a second operational amplifier having a noninverting input connected to the input terminal. The bases of first and second transistors are respectively connected to the outputs of the first and second operational amplifiers. The emitters of the transistors are commonly connected to an output terminal. Feedback connections are provided for coupling the output terminal to the inverting input of each operational amplifier. Furthermore, circuitry is provided for calculating an estimated offset error based on maximum values of a folded analog signal provided at an output terminal of one of the folding circuits.

REFERENCES:
patent: 4093876 (1978-06-01), Henein et al.
patent: 4143363 (1979-03-01), Potter, Jr.
patent: 4353059 (1982-10-01), Vaitkus
patent: 4390864 (1983-06-01), Ormond
patent: 4393368 (1983-07-01), Rasmussen
patent: 4517523 (1985-05-01), Miles
patent: 4549165 (1985-10-01), Brian
patent: 4563596 (1986-01-01), Gosselin et al.
patent: 4599602 (1986-07-01), Matzuzawa et al.
patent: 4647905 (1987-03-01), Hantke et al.
patent: 4667180 (1987-05-01), Robinson
patent: 4691190 (1987-09-01), Robinson
patent: 4806797 (1989-02-01), Yamazaki
patent: 4859873 (1989-08-01), O'Shaughnessy et al.

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