This logic tester circuit was published in the November 1980 issue of Radio Electronics magazine. The circuit works with both TTL and CMOS logic and has several selectable functions.
This commercial transistor radio was manufactured in Japan in the 1960s. The circuit has only 3...
This circuit can generate signals in the audio range between fraction of hertz up to approximately 10 kHz...
This simple MW radio was found in a 1975 publication, but it can be mounted with BC548...