What is hard about analyzing feedback circuits is the extraction from the circuit diagram of the simple block diagram found in active circuits and control textbooks. To start with a relatively easy ...

Freehand sketching is the quickest way to capture initial design ideas on paper before they are forgotten, often done without rulers or templates. Annotation can be added to sketches to show key parts ...

These GUIs also provide a schematic approach to circuit design. The circuit can be designed by dragging and dropping components from a component list onto the schematic. After this, they can be ...