This circuit was found in a Signetics documentation from the 1980s. Next to the figure are the waveforms of the generated signals. The transistor admits equivalent.
Found in a Radio Electronics from May 1964, this circuit activates a relay depending on the supply...
The purpose of this circuit is to keep an engine speed constant. The circuit was found in a 1989...
This oscillator for sinusoidal signals uses a lamp as a stabilizing element. We found it in the...