This transistor gain test was published in Radio Electronics magazine in July 1959. The transformer used is a special type common at the time. The circuit tests general-purpose transistors.
This circuit is from a specialized documentation in 1992 FETs. The L1 coil has 0.07 uH with...
We find this circuit in a documentation for engineers from 1971. The circuit generates rectangular and...
This is the simplest setting for lighting an LED. The circuit is from old English documentation that got...