Title :
A Continuously Variable Temperature Compensated Gamma Correction Circuit
Author :
Perinbam, J.Raja Paul ; Srinivasan, S.
Author_Institution :
Department of Electrical Engineering Indian Institute of Technology,
fDate :
5/1/1982 12:00:00 AM
Abstract :
A gamma correction circuit suitable for video frequencies is described in this paper. The exponent gamma can be varied continuously from 0.4 to 2.2 by a single potentiometer. The circuit is temperature compensated for all values of gamma and is suitable for integration as a single monolithic chip.
Keywords :
Cameras; Circuits; Diodes; Frequency; Nonlinear distortion; Operational amplifiers; Potentiometers; TV; Temperature; Voltage;
Journal_Title :
Consumer Electronics, IEEE Transactions on
DOI :
10.1109/TCE.1982.353886
