If you’ve ever turned a noisy signal into a clean, stable one—or wondered how your phone tunes into a single…

Learning how to design notch filter circuits is not very different from designing band stop filter circuits. Notch filter is…

The frequency range that low pass vs high pass filter pass is the most significant distinction between them. When we…

A filter capacitor is a capacitor that removes a specific frequency or frequency range from a circuit. Very low frequency…

The crossover network is another application  filter. This application is used as a coupling that couples the audio amplifier to…

The active filters have some advantages over the passive filters. There are three major limits to the passive filters considered…

After learning a lot about resonance circuit, we will learn about one of its application: the radio receiver. Series and…

The concept of filters has been an integral part of the evolution of electrical engineering from the beginning. Several technological…

In designing and analyzing filters and resonant circuits or in circuit analysis in general, it is sometimes convenient to work…