Digital Signal Processing Filter
A digital processor is used by a digital filter to compute numerical values based on the signal’s sampled values. A specialized DSP (Digital Signal Processor) chip or a general-purpose computer like a PC could be the processor. An ADC (analog to digital converter) must first be used to sample and digitize the analog input signal. The processor receives the generated binary numbers, which are successively sampled values of the input signal, and uses them to perform numerical calculations. Usually, the input numbers are multiplied by constants in these computations, and the products are then added. The filtered signal’s sampled values, which are now the result of these calculations, are output through a DAC (digital to analog converter) if necessary to return the signal to analog form.
Filter Circuit
An electronic circuit called a filter circuit is made to either pass or block specific frequencies from an electrical signal. It is an essential part of many electrical systems and applications because it shapes a circuit’s frequency response by blocking out undesired frequencies and letting in desired ones. Many electrical devices, including power supply, signal processing applications, audio systems, and communication systems, use filters.
Filters are circuits whose response is dependent on the input voltage’s frequency. Many crucial tasks in a system can be carried out by filter circuits. While resistors, capacitors, and inductors can also be used to create filters, op-amps, resistors, and capacitors are the main components of most filter circuits.
In this article, we will be going through the Filter Circuit, We will start our Article with the definition of the Filter Circuit, Then we will go through its Components and Filter Design, Then we will go through its types and At last we will conclude our Article with its Characteristics, Advantages, Disadvantages and Some FAQs.
Table of Content
- What is a Filter Circuit?
- Why Do We Need Filters?
- Components of a Filter Circuit
- Filter design techniques
- Types of Filter Circuits
Digital Signal Processing Filter- Characteristics of Filter Circuit
- Advantages of Filter Circuit
- Disadvantages of Filter Circuit
- Applications of Filter Circuits
- Difference Between Active Filter and Passive Filter