This notch filter was found in National Semiconductor documentation from the 1980s. Operational amplifiers are from that era. The configuration can be adapted to use modern operational amplifiers.
This power supply was originally developed for the CIR10160, but can be used with other VHV (Very...
We found this circuit in an old American documentation. The circuit can be applied to modern...
We found this circuit in a Philips documentation from 1965. The circuit uses a common LDR sensor...