Title :
Influence of ambient-temperature variations in two gyrator circuits
Author_Institution :
Concordia University, Department of Electrical Engineering, Montreal, Canada
fDate :
6/1/1976 12:00:00 AM
Abstract :
Two circuit models developed recently for two operational-amplifier gyrators are modified to include the case of nonidentical amplifiers and unequal gyrator resistances. These are then used to derive formulas for the sensitivities and temperature coefficient of the simulated inductance, and also to minimise the variations due to the gain-bandwidth products of the amplifiers. In addition, a filter-design technique is described in which the temperature coefficients of gyrator and filter components are chosen for minimum filter sensitivity to variations in ambient temperature.
Keywords :
active filters; gyrators; sensitivity; active filters; ambient temperature; circuit models; gyrator circuits; sensitivities; simulated inductance; temperature coefficient;
Journal_Title :
Electrical Engineers, Proceedings of the Institution of
DOI :
10.1049/piee.1976.0112
