This high voltage source, found in 90’s Popular Electronics, can reach tens of thousands of volts. The Q2 transistor must have an excellent heat sink and the 9 V source is high current.
This peak sensing and hold circuit was found in an old documentation. The circuit makes use of...
This circuit converts the voltage from a simple source into a symmetrical voltage. The circuit is from a...
This source is indicated for the supply of power amplifiers. The circuit is from 1999...