Adjustable equalizer for compensating for high frequency rolloff

Details Adjustable equalizer for compensating for high frequency rolloff Adjustable equalizer for compensating for high frequency rolloff

1985-01-14

1989-12-19

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

330302, 330109, 381 98, H03H 730

Patent

active

048887897

ABSTRACT:
An audio equalization circuit for use in an AM transmission system is described which is particularly useful for compensating for the high frequency rolloff found in currently manufactured AM receivers. A single potentiometer adjustment in the feedback path of the equalization circuit allows the response in the AM receiver to be effectively and economically adjusted.

REFERENCES:
patent: 1587595 (1926-06-01), Lowenstein
patent: 2007985 (1935-07-01), Seeley
patent: 3729687 (1973-04-01), Orlandini et al.
patent: 3940709 (1976-02-01), Heaslett
patent: 4113983 (1978-09-01), Steel
patent: 4187479 (1980-02-01), Ishizuka et al.
patent: 4262260 (1981-04-01), Tamura
patent: 4284965 (1981-08-01), Higashi et al.
patent: 4290335 (1981-09-01), Sondermeyer
patent: 4292468 (1981-09-01), Yokoyama
patent: 4368435 (1983-01-01), Bloy
patent: 4403201 (1983-09-01), Yokoyama
Terman, "Section 15-2 Radio Transmitter", in Radio Engineering, 1947 edition, McGraw-Hill Book Co.
Hanneman, "High-Order Rc-Active Filters", Philips Res Repts 26, 65-74, 1971.

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