The circuit shown is from National Semiconductor, having been found in the 1994 Linear Application Handbook. Rt and Ct determine the output frequency.
This circuit is from an Electronics World of 1967. The described calculations can be applied to...
This well-known configuration was found in a 1982 publication. Other operational amplifiers can be...
This circuit has a gain of 6 dB for low frequencies from 85 Hz and can be used in a mini...