This circuit was found in a 1967’s Ferranti documentation. The components are from that time. The circuit can be designed based on current components.
This circuit can be used as an amplifier for musical instruments or even with your cell phone. The...
This circuit, which can act as a shield, was found in a 1970s American documentation. The...
This timer produces a continuous sound at the end of the timer set in potentiometer RV1. The...