A high-Q temperature insensitive bandpass filter using the operational amplifier pole

1 January 1974

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE

Vol. 62 (12) , 1713-1714
https://doi.org/10.1109/proc.1974.9692

Abstract

A bandpass filter using only two resistors and two operational amplifiers is suggested. The circuit has a Q equal to the ratio of the ressistors. While Q and gain are insensitive to temperature variations, the variations in center frequency is minimized uing a compensation scheme.

Keywords

TEMPERATURE
BAND PASS FILTERS
OPERATIONAL AMPLIFIERS
ATTENUATORS
FREQUENCY
RESISTORS
VOLTAGE
CIRCUIT OPTIMIZATION
CAPACITORS
ACTIVE FILTERS

This publication has 2 references indexed in Scilit:

Low-sensitivity active filters using the operational amplifier pole
IEEE Transactions on Circuits and Systems, 1974
A bandpass filter using the operational amplifier pole
IEEE Journal of Solid-State Circuits, 1973