Record amplifying circuit for respectively serially and differen

Details Record amplifying circuit for respectively serially and differen Record amplifying circuit for respectively serially and differen

1997-04-23

1998-12-29

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of the amplifier

330290, 330299, 330310, 386105, G11B 502

Patent

active

058547185

ABSTRACT:
A DC feed-back circuit for causing a DC voltage of an external transistor in which an output bias current of a record amplifier flows to be equal to a DC voltage of an output terminal is provided so as to decrease power consumption. Thus, a plurality of record amplifying circuits can be incorporated into one IC chip. In particular, in home-use Hi-Fi VCRs, a Hi-Fi record amplifying circuit and video record amplifying circuits can be incorporated into one chip.

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