This transformerless circuit was obtained in a 1965 publication by Ferranti. The components are from that time, with emphasis on the type of engine used.
This circuit is from Dutch documentation from 1967. The circuit works with a component of the...
We show an oscillator that produces rectangular TTL signals based on inverters. Inverters can also be...
This circuit of an Electronics Now from the 90's produces an intelligent direction signal that has...