Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Patent
1987-07-20
1989-08-15
Shoop, Jr., William M.
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
341122, 341126, H03M 100
Patent
active
048579319
ABSTRACT:
A resistive network is coupled to a reference source for providing a plurality of reference signals. A comparator/multiplexer section compares a comparison signal against the reference signals, selects one of the reference signals and produces a code. An amplifier provides the comparison signal in response to the ADC input signal and subsequently in response to a signal difference between the ADC input signal and selected reference signal. Two codes are encoded and added in an adder/accumulator for providing the output code of the ADC.
REFERENCES:
patent: 4393368 (1983-07-01), Rasmussen
patent: 4535319 (1985-08-01), Penney
patent: 4639715 (1987-01-01), Doluca
Goh Helen
Shoop Jr. William M.
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