This 80's circuit has been winning. It is a 1 000 gain sample and hold circuit and an offset current setting. The configuration can be adapted to operate with modern equivalent components.
This thermal control circuit appeared in Radio Electronics magazine in October 1958. The circuit is...
This circuit, from an old publication, can employ silicon transistors like the BC548 and the...
June 2017 - The new TE Connectivity FSJMI series of illuminated tactiles switches is now available in Mouser...