This circuit is from a documentation on the MC1539 from Motorola and may, however, be implemented with equivalent operations. The transistor also supports equivalent.
This 80's circuit uses germanium transistors like the AC125, AC151, AC163, 2N506 and others to...
This filter was obtained from a Linear Technology manual from the 1990s. The power supply must be...
This circuit was found in the May 1998 issue of Electronics Now magazine. The circuit drives a set...