This interesting circuit of the 50s uses a fluorescent lamp to obtain a stroboscope useful for the rotation of motors. The circuit uses a power valve to control the 10W fluorescent lamp.
This converter converts signals from the 50 MHz band to the AM band, making it possible to receive...
This circuit, from a 1987 documentation, is for the CB3817E transmitter. Connected to the handset...
The output of this circuit can be a crystal phone or a piezoelectric capsule. The circuit tests the...