This circuit was obtained from an 80's Radio Electronics. The circuit decodes “scrambled” or sinusoidal encoded signals by providing an audio signal at the output.
Pressing S1 the LED glows by a time interval depending on the capacitor. Time intervals in the...
This circuit is from a 1967 US publication. The configuration can serve as a basis for designs...
We find this battery charger in a 90's Hands-On Electronics. The charging current is 2 A and when...