Solid-state record amplifiers presently available for magnetic tape heads drive the head with a voltage generator and, accordingly, require involved passive equalization circuitry to achieve a flat frequency response. This paper describes a technique whereby the head is driven directly by a current generator and equalization is accomplished actively within a feedback loop. Two potentiometer settings will yield a frequency response of +/-1 db, 20 to 20,000 cps at 7-1/2 ips using NAB standards.
Author:
Sieron, Richard L.
Affiliation:
Chester Electronic Laboratories, Inc., Chester, CT
AES Convention:
16 (October 1964)
Paper Number:
353
Publication Date:
October 1, 1964
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