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.
This circuit shows on the screen of an oscilloscope two signals alternately at a frequency that depends...
With this circuit of a Popular Electronics from the 90's it is possible to test a diode with the...
This circuit was obtained in the National Semiconductor Linear Applications Handbook of 1994. The...