Found in a 90s American documentation, this circuit uses an integrated from the time that is difficult to obtain today. The sensor is a common photodiode.
The circuit presented is a 10 MHz oscillator with crystal, which already has several splitters for...
We found this circuit in the August 1994 Electronics Now magazine. The circuit is based on the...
This circuit was obtained in a 1982 Maplin magazine. The circuit can be applied to equivalent power...