This circuit was found in the May 1959 Radio Electronics magazine. Its purpose is to provide bias voltages for circuits under test. The circuit is isolated from the power grid.
We found this circuit in the March 1995 issue of Electronics Now magazine. The circuit has a...
This circuit uses a PNP transistor to modulate a low power infrared LED. Observe the polarity of...
The maximum frequency of this circuit depends on the operational, reaching a few hundred...