This very high input impedance JFET circuit was found in the 1995 Encyclopedia of Electronic Circuits Volume 5. The JFET is a general-purpose transistor as is the output transistor.
Found in a RCA publication from the 1970s, this circuit is intended for the production of pulse...
In this application, from English documentation, we have the way to activate an AC load up to 10 W...
This circuit consists of a control panel for motorcycles and cars monitoring various functions such as...