Signal bias remover apparatus

Communications: electrical – Audible indication – Percussion-type sound producer

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Details

340347M, 340347CC, 325 42, H03K 1302

Patent

active

041863844

ABSTRACT:
An equalizer bias signal removal system for adjusting an analog input signal toward being symmetrical about a reference signal level where said analog input signal, combined with a correction signal, is to be converted by an analog-to-digital converter and provided to a transversal filter equalizer.

REFERENCES:
patent: 3495238 (1970-02-01), Gabriel
patent: 3497624 (1970-02-01), Brolin
patent: 3521170 (1970-07-01), Leuthold et al.
patent: 3573623 (1971-04-01), Bannon et al.
patent: 3795900 (1974-03-01), Monford
patent: 3824588 (1974-07-01), Vermillion
patent: 4009475 (1977-02-01), DeFreitas
patent: 4057797 (1977-11-01), Jorgensen
The Application Engineering Section of Burr-Brown Research Corp., Handbook of Operational Amplifier Applications, 1963, pp. 38 & 52.
Wait et al., Introduction to Operational Amplifier Theory and Applications, 1975, pp. 40 & 41.
Pressman, Design of Transistorized Circuits for Digital Computers, John F. Rider, 1959, pp. 11-283 to 11-289.

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