Title :
Wideband wide-tunable current-mode gamma corrector for HDTV applications
Author :
Woo, S.H. ; Hwang, J.T. ; Lee, K. ; Koo, H.S. ; Cho, G.-H.
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Seoul, South Korea
fDate :
11/11/1999 12:00:00 AM
Abstract :
A wide-tunable current-mode (CM) gamma corrector for HDTV camera applications is proposed. This gamma corrector provides accurate gamma control over a wide range by simple electrical adjustment of the gain of the weighting amplifier. It has a wide signal bandwidth of >40 MHz. Sufficient for HDTV video signal processing, and can be implemented using a simple integrated circuit with low power consumption
Keywords :
compensation; current-mode circuits; high definition television; low-power electronics; video signal processing; HDTV applications; electrical adjustment; power consumption; signal bandwidth; video signal processing; weighting amplifier gain; wideband wide-tunable current-mode gamma corrector;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19991368
