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 low-power intercom can be powered by solar cells. The circuit is two-way, with an integrated of the...
Reversing the switching action, with the output going high when the input is low, can be done by...
This converter was found in the June 1991 issue of Radio Electronics magazine. The circuit uses...