This circuit, found in a 1958 magazine, is for reference only, since the components are not easy to find today. The transistors are germanium types and power supply is made by common cells.
This circuit is from a 1970 publication. The time constant is given by 1.3R x C where R is the...
This regulator with current boost and short circuit protection was found in the LM2931 manual that...
This high impedance driver was found in a 1980s documentation. The integrated circuit is a type of...