fönsterkomparator

A fönsterkomparator, a Swedish term translating to "window comparator," is a type of electronic circuit. It is designed to compare an input voltage against two predefined voltage thresholds, often referred to as the upper and lower window limits. The output of the fönsterkomparator changes based on the relationship between the input voltage and these limits.

Specifically, a fönsterkomparator typically has three distinct output states. If the input voltage falls below the lower threshold, one output state is activated. If the input voltage is above the upper threshold, a second, different output state is activated. The crucial third state occurs when the input voltage lies *between* the lower and upper thresholds. In this "window" region, a third, distinct output state is generated.

This functionality makes fönsterkomparatorer useful in various applications where detecting if a signal is within a specific range is necessary. Examples include simple voltage monitoring, signal validation, and as a component in control systems. They can be implemented using operational amplifiers or dedicated integrated circuits. The precision of the window limits is determined by the components used in the circuit.