This astable multivibrator has an active cycle of 30,000: 1. We found it in a 1970 EEE. The components used are from that time.
This circuit was found in Ferranti's 1967 documentation. The circuit drives a 40 V relay, but it can...
We have several circuits like this in this section and on the website. This is from a magazine 73...
This circuit can be interleaved between guitars and guitars to give the fuzz distortion effect. The...