Arrangement for compensating for non-linear distortion in an inp

Details Arrangement for compensating for non-linear distortion in an inp Arrangement for compensating for non-linear distortion in an inp

1987-03-20

1988-05-24

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

370 321, H03M 106

Patent

active

047469021

ABSTRACT:
An arrangement for compensating for non-linear distortion in an input signal to be digitized, comprising an analogue-to-digital converter (2) for converting the input signal into an amplitude-time discrete output signal, means (3) for deriving a set of coefficients which are associated with an orthogonal signal representation of a signal related to the input signal, a memory (4) in which a Table with correction values is stored, means for addressing the memory for reading a correction value from the Table, each of the coefficients determining an address for the memory, means (5) for adding together the correction value and the analogue-to-digital converter output signal for providing a linearized signal, and an adaptive control loop (7,8,16,18) for substituting in the Table the new correction value for the correction value read.

REFERENCES:
patent: 4527020 (1985-07-01), Ito
patent: 4612533 (1986-09-01), Evans

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