Parallel analog-to-digital converter circuit

Details Parallel analog-to-digital converter circuit Parallel analog-to-digital converter circuit

1983-04-21

1986-07-15

Shaw, Clifford C.

Communications: electrical

Audible indication

Percussion-type sound producer

371 57, H03K 1302

Patent

active

046009167

ABSTRACT:
A parallel analog-to-digital converter circuit comprises a plurality of level comparator circuits and a plurality of detectors. The level comparator circuits compare the level of one analog input signal with a plurality of reference levels. Any two or more level comparator circuits which receive consecutive reference levels from one set. Each of the detectors determines whether or not the output signals from the level comparator circuits of one set are in a specified state. According to the number of sets of level comparator circuits whose output signals are detected to be in the specified state, it is determined whether or not the analog-to-digital converter circuit functions correctly. the upper limit of the speed of analog-to-digital conversion can be determined according to this number of sets.

REFERENCES:
patent: 3940571 (1976-02-01), Ashley
patent: 4020460 (1977-04-01), Jones et al.
patent: 4216460 (1980-08-01), Baldwin et al.
patent: 4481629 (1984-11-01), Hatata et al.
Dingwall, "Monolithic Expandible 6 Bit 20 MHz CMOS/SOS A/D Converter," IEEE J. Solid-State Circuits, vol. SC-14, pp. 926-932, Dec. 1979.

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