Suggested by a 1968 documentation, this circuit limits the current of a regulator and can be adapted to other currents. The transistors are from the era.
We found this circuit in a 1989 publication. Its purpose is to produce noise in the VHF or UHF...
The circuit shown allows the test of common silicon diodes. The characteristic curve of the...
Based on the 4017 integrated circuit, this circuit of a European 303 Circuits from the 90s,...