Analog-to-digital conversion apparatus and method related theret

Details Analog-to-digital conversion apparatus and method related theret Analog-to-digital conversion apparatus and method related theret

1996-11-27

1998-07-07

Young, Brian K.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341118, H03M 106

Patent

active

057775699

ABSTRACT:
An analog-to-digital conversion apparatus includes a plurality of amplifiers for amplifying a common input analog signal with predetermined different gains respectively. A plurality of analog-to-digital converters are operative for converting output signals of the amplifiers into corresponding first digital signals respectively, and for outputting the first digital signals respectively. A decision is made as to whether or not each of the first digital signals outputted by the analog-to-digital converters is in at least one of a given clipped state and a given full-scale over state. The first digital signals outputted by the analog-to-digital converters are corrected into respective second digital signals representing substantially equal levels. When none of the first digital signals is in at least one of the given clipped state and the given full-scale over state, one is selected out of all the second digital signals as a final digital output signal. When at least one of the first digital signals is in at least one of the given clipped state and the given full-scale over state, one is selected out of the second digital signals unrelated to the at least one of the first digital signals as a final digital output signal.

REFERENCES:
patent: 4823129 (1989-04-01), Nelson

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