This interesting circuit converts BCD signals into a voltage that can be used in an analog application. The circuit was found in the July 1991 issue of Radio Electronics magazine.
Found in a 90s Popular Electronics, it serves both TTL and CMOS logic. The injector can provide 10...
This circuit can gerenate square signals and be comanded by na external control. When the input...
This 100 kHz crystal controlled oscillator was found in an American 1980s documentation. The...