This circuit divides the frequency of a 2 kHz signal by 2. The circuit was found in Philips documentation from 1964. Modern transistors can be used for higher frequencies.
August 2017 - The new N-channel MOSFETs from Vishay's TrenchFET Gen IV family can now be purchased from...
This 100 kHz crystal controlled oscillator was found in an American 1980s documentation. The...
This circuit can be used to produce the sound of bongo drums. Damping is adjusted by P1. The...