8bit Digital to Analog Converter (CB5169E)

This circuit was found in an ancient American documentation. The components of the time are not common today. The circuit is for reference only.

Car Sequential Flasher (CB4970E)
This circuit is based entirely on SCRs. The circuit is from an American 80's documentation; and the PUTs...
Superheterodyne FM Receiver (CB4334E)
The integrated circuits used in this 1989 project are uncommon today, including the IF coil that...
TPS54335 2 A Stepdown Converter Synchr (COM105E)
September 2016 - Mouser Electronics already has the new TPS54335-2A from Texas Instruments...