Title :
Temperature compensation of OTA-based filters and amplifiers
Author :
Malvar, H.S. ; Luettgen, M.
Author_Institution :
Massachusetts Institute of Technology, Research Laboratory of Electronics, Cambridge, USA
Abstract :
A simple but effective temperature compensation scheme for OTA-based filters and amplifiers is introduced. It reduces the temperature sensitivity of the OTA transconductance by a factor of 10 or more. Low-tolerance or matched resistors are not required.
Keywords :
active filters; compensation; operational amplifiers; OTA transconductance; OTA-based filters; operational transconductance amplifiers; temperature compensation; temperature sensitivity;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19870629