Image signal amplifying circuit and amplifying semiconductor...

Details Image signal amplifying circuit and amplifying semiconductor... Image signal amplifying circuit and amplifying semiconductor...

2011-01-18

2011-01-18

Nguyen, Khanh V (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including frequency-responsive means in the signal...

C330S307000

Reexamination Certificate

active

07872534

ABSTRACT:
An image signal amplifying circuit comprises: an amplifier circuit for amplifying an image signal; an output capacitor and a resistance, both being serially connected between an output node of the amplifier circuit and an output terminal; and a second-order high pass filter having a value of Q larger than one, the second-order high pass filter being provided at a preceding stage of the amplifier circuit, wherein distortion to correct a sag arising in a high pass filter on an output side, the high pass filter including the output capacitor and the resistance, is caused in the input image signal by a characteristic of the second-order high pass filter.

REFERENCES:
patent: 4110692 (1978-08-01), Pradal
patent: 4928311 (1990-05-01), Trompler
patent: 2004-274434 (2004-09-01), None
patent: 2005-184056 (2005-07-01), None

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