This circuit is from an 80's technical newsletter. The circuit can use any general purpose transistor and its power supply can be changed with a resistive divider to use a single 9V battery.
Frequencies from 1 to 10 MHz can be obtained with a small adjustment of the variable in a narrow...
This flasher of two incandescent lamps was discovered in a 1983 documentation and it has two...
We found this trebble booster circuit in a 1990 documentation. The components are current, and the...