Search results
Film on working of antenna. In radio engineering, an antenna (American English) or aerial (British English) is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver.
Mar 27, 2024 · In this tutorial, we will learn about Antennas, what are the different types of antennas, different properties of antennas and many other important aspects of antennas. If you are interested in Wireless Communication Engineering, there will be a time where you will come across designing or working with antennas.
Before we can design an antenna or discuss antenna types, we must understand the basics of antennas, which are the fundamental parameters that characterize an antenna. So let us learn something. We'll start with frequency and step through radiation patterns, directivity and gain, and ultimately close with an explanation on why antennas radiate.
Jan 28, 2024 · So the ideal antenna is about 1.5m (4ft) or so long, which is roughly the length of a telescopic FM radio antenna when it's fully extended. Photo: The AM "loopstick" antenna inside a typical transistor radio is very compact and highly directional.
An Antenna can be used either as a transmitting antenna or a receiving antenna. A transmitting antenna is one, which converts electrical signals into electromagnetic waves and radiates them. A receiving antenna is one, which converts electromagnetic waves from the received beam into electrical signals.
Antenna, component of radio, television, and radar systems that directs incoming and outgoing radio waves. Antennas are usually metal and have a wide variety of configurations, from the mastlike devices employed for radio and television broadcasting to the large parabolic reflectors used to receive.
Jul 29, 2021 · Antenna design is very theoretical, but it’s largely based on empirical work and lots of experimentation. If the antenna is simple like dipole, ground plane, or loop, it may work out for you.
Apr 12, 2017 · Understanding antenna principles ensures an optimal RF link that takes advantage of traditional antenna designs and newer chip, patch, or pc board approaches.
Sep 3, 2018 · An antenna is a metallic structure that captures and/or transmits radio electromagnetic waves. Antennas come in all shapes and sizes from little ones that can be found on your roof to watch TV to really big ones that capture signals from satellites millions of miles away.
Nov 11, 2022 · 98.9K subscribers. Subscribed. 7.5K. 299K views 1 year ago. In this chapter we will see how antennas work, what are their physical principles, their main characteristics and the different types...
