Jännitepiirit

Jännitepiirit refer to circuits where voltage is the primary controlled variable. In contrast to current-driven circuits, jännitepiirit are designed to maintain a specific voltage across a component or a section of the circuit, regardless of the load's resistance. This is often achieved through the use of voltage regulators or feedback mechanisms that adjust the output to keep the voltage constant. Examples include power supplies, battery charging circuits, and certain sensor interfaces. The behavior of jännitepiirit is analyzed using Ohm's law, Kirchhoff's voltage law, and other fundamental circuit analysis techniques, focusing on how changes in current affect the overall voltage distribution. Understanding jännitepiirit is crucial in designing and troubleshooting electronic systems where stable voltage levels are essential for proper operation.