Half Wave Fast Rectifier (CB5160E)

This 80's circuit can be made with current comparators. Rectification accuracy is 1% DC up to 100 kHz.

8bit Digital to Analog Converter (CB5169E)
This circuit was found in an ancient American documentation. The components of the time are not...
Dark Alarm (CB25477E)
This sensitive circuit with common transistors was found in the Radio Electronics magazine of July...
Light Meter (CB5306E)
This circuit is from the 80s own LM10 manual. The circuit can be implemented with other...