This simple SCR delay circuit for activating a relay was found in documentation from the 1980s. The components used are common today.
This single-cell Li-Ion battery charger was found in a 2005 Linear Technology manual. The circuit...
This circuit is from old documentation and can be assembled with 2N2646 for the unijunction and...
A safe way to obtain a sinusoidal signal of excellent quality and low frequency without the need...