Found in McGraw Hill documentation from the 1990s, this circuit supplies high voltage to the electrodes of a Kirlian machine. High current MOSFETs can be used.
This instrument was found in a publication for radio amateurs in 1973. The tuned circuit consists of...
This circuit was found in an American documentation. Its purpose is to allow the use of a digital...
The sensor used in this transistor is a common silicon transistor and the operational admits...