This synthesized generator circuit was found in an article in October 1980 Radio Electronics magazine. The article taught how to assemble it. The circuit generates signals from 1/100 Hz to 1 MHz.
This amplifier was found in a 70s documentation. The product gain x bandwidth is 350 MHz. The...
This circuit mimics the trill of a bird. We found it in an American documentation from the 90s. It is...
With the values indicated for this circuit, the lamp will flash 60 times per minute (1 per...