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.
This common transistor-based circuit provides power for 20 mA common white LEDs from a single 1.5...
This circuit for old cars with platinum ignition was found in Radio Electronics magazine from...
The receiver shown above was sent in by contributing reader Adriano Muniz Moura and is used for...