This PUT oscillator circuit has a frequency of 1 Hz. We find it in a General Electric documentation from the 80's. A recommended application is on flashers.
In the figure we have a simple signal tracer circuit to be coupled to the volume control of an AM...
This circuit was found in documentation from the 90s, using components from that time. The...
This circuit, obtained from old documentation, allows the recovery of sulfated batteries. The...