This circuit was obtained in a documentation about old neon lamps. The circuit indicates when a home appliance with thermostat and heating element is on.
This circuit consists of an oscillator that applies the signal to a transformer in order to obtain...
With this circuit it is possible to measure RF signals with a common multimeter. Signals up to 200...
We found this circuit in Mullard's 1960s transistor manual. The circuit oscillates at 800 Hz, the...