Analog to digital converter

Details Analog to digital converter Analog to digital converter

1977-12-28

1981-02-17

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

358 13, H03K 1302

Patent

active

042518024

ABSTRACT:
An improved analog to digital converter of the parallel or series-parallel type having expanded range for a given number of comparators in the quantizer. The converter is particularly adapted to convert analog signals, such as television signals, of a type in which a large percentage of the time the analog signal falls within only a portion of the predetermined full range. The quantizer is capable of converting only signals within the portion of the full range. Switching circuitry having a hysteresis characteristic shifts the effective range of the quantizer to additional overlapping ranges to permit conversion of signals outside the portion of the predetermined range.

REFERENCES:
patent: 3516085 (1970-06-01), Dano
patent: 3721975 (1973-03-01), Brinkman

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