What is a Butterworth Filter? A Butterworth filter is a type of signal processing filter designed to have a frequency response as flat as possible…
The gain of the second-order filter is a product of gain of ‘n’ stages that are cascaded together. For example, if two first-order filters are…
The transfer function is also known as systems function or network function of the control system. It is expressed as a mathematical function. When used…
The original filter design lacks sufficient voltage gain, prompting the need for the modifications illustrated below. Active Low Pass Filter with Amplification At lower…
What is an Active Filter? An active filter is a type of filter that includes one or more active circuit components such as a transistor…
QAM channels are the variety of different formats of QAMs which are used in many radio communications and data delivery applications. Some specific variants of…
Analog QAMs are used to carry multiple signals on a single carrier. It’s similar to AM (Amplitude Modulation) but with two carrier signals at the…
Quadrature Amplitude Modulation (QAM): What is it? Contents 💡 Key learnings: QAM Definitio: QAM (Quadrature Amplitude Modulation) is defined as a modulation technique that combines…
The Band Pass Filter consists of two cutoff frequencies. The bandpass filter is made of a high pass and a low pass filter. The first…
Cutoff Frequency of a Low Pass Filter A low-pass filter permits low-frequency signals while blocking high ones. Its cutoff frequency is the point where output…