Obtained from an Electronic Engineering of the 90s, these circuits can be applied to almost any operational amplifier. Signal shapes are given next to the diagram.
An interesting and useful configuration for the control of power loads is shown in the figure. In this...
Frequencies up to 50 MHz can be produced by this circuit, depending only on the used XTAL. L and...
The AM QAM stereo system works experimentally with some stations, but it should not be equipped, as the...