Amplifiers – Signal feedback – Combined with control of bias voltage of signal amplifier
Patent
1975-02-13
1976-12-14
Rolinec, R. V.
Amplifiers
Signal feedback
Combined with control of bias voltage of signal amplifier
330 28, 330 30D, 330 85, 333 14, H03F 108, H03G 330
Patent
active
039978508
ABSTRACT:
In a floating electrical output circuit according to co-pending application Ser. No. 395,608, now U.S. Pat. No. 3,909,737, issued Sept. 30, 1975, two load terminals are driven from amplifying means having differential current outputs. A differential amplifier connected across the load terminals provides a feedback signal which is compared with the input signal to provide a control signal for the amplifying means.
In the present invention the amplifying means are simplified to a single differential current amplifier.
REFERENCES:
patent: R27351 (1972-05-01), McGraw et al.
patent: 3497822 (1970-02-01), Beurrier
patent: 3825854 (1974-07-01), Pichal
Dahl Lawrence J.
Dolby Laboratories, Inc.
O'Connell Robert F.
Rolinec R. V.
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