Found in a 1965 Electronic Design, this circuit divides the frequency of a 50 MHz signal by 2. The circuit makes use of period components and the signal power can be between 7 and 125 W.
This sensitive motion sensor with inductive sensor was found in a 90s Elektor. The circuit uses only...
This simple balance indicator for sound equipment was found in a 1982 documentation. The M1...
This circuit was found in a 1992 documentation. It uses a photo diode as a receiver and an...