Found in the April 1998 Electronics Now magazine, this circuit controls loads that rely on the power transistor. The circuit uses a single push button for control.
We found this circuit in the Radio Electronics magazine of January 1986. The frequency is given by the...
This circuit has a type of bias called "virtual earth" providing good gain, given by R2. The...
The figure shows how to convert a rectangular signal into a triangular signal using an integrator. The...