Analog to digital conversion method and apparatus

Details Analog to digital conversion method and apparatus Analog to digital conversion method and apparatus

1982-03-19

1985-05-14

Miller, C. D.

Communications: electrical

Audible indication

Percussion-type sound producer

340347AD, 364571, 324115, 324130, H03K 1302

Patent

active

045175500

ABSTRACT:
An analog to digital conversion method and apparatus includes the use of a scaling circuit 15 to scale the magnitude of an analog signal D applied to ADC 4 to within an acceptable input range. A calibration circuit 16 generates a signal M indicative of the effect of the scaling circuit 15 upon a digital signal E produced by the ADC 4. An adder 14 adds the calibration signal M and the digital signal E of ADC 4 to yield a digital output signal N which is the digital representation of measured analog input signal A.

REFERENCES:
patent: 3783380 (1974-01-01), Bradley
patent: 4364027 (1982-12-01), Murooka
patent: 4366469 (1982-12-01), Michaels

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