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 circuit can be used with previous transmitters to decode a signal transmitted via power grid....
This circuit interrupts the power supply when grounding is missing. The circuit is from an old...
This circuit was found in an old publicatio n from the year 1958. The circuit controls an external load by...