Apparatus for conversion of scaled binary data

Details Apparatus for conversion of scaled binary data Apparatus for conversion of scaled binary data

1994-09-30

1997-02-25

Gaffin, Jeffrey A.

Coded data generation or conversion

Digital code to digital code converters

To or from 'n' out of 'm' codes

341139, 341 95, H03M 116, H03M 120

Patent

active

056063180

ABSTRACT:
An apparatus converts m-bit digital data having a scale factor of K.sub.1 to n-bit digital data having a scale factor of K.sub.2. The apparatus comprises a digital to analog converter which receives the m-bit digital data, for outputting a first analog signal representative of a value associated with the m-bit digital data. An amplifier receives the first analog signal multiplies it by a factor, and outputs a second analog signal. The factor of the amplifier is K.sub.2 /K.sub.1, such that the second analog signal has a value with the scale factor of K.sub.2 associated therewith. An analog to digital converter receives the second analog signal, and converts the second analog signal to the n-bit digital data. The n-bit digital data has the scale factor of K.sub.2 associated therewith, the value representative of the n-bit digital data being essentially equal in the example of the present application to the value representative of the m-bit digital data, however, this is not always a requirement.

REFERENCES:
patent: 3956746 (1976-05-01), Lisle, Jr. et al.
patent: 4642608 (1987-02-01), Tomasi
patent: 4983966 (1991-01-01), Grone et al.
patent: 5146155 (1992-09-01), Trinh Van et al.
patent: 5278558 (1994-01-01), Roth

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