Category: Antennas

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What is a Yagi Antenna?

A Yagi antenna or a Yagi-Uda antenna, is a directional antenna that radiates signals in one main direction. It consists of a long transmission line with a single driven element consisting of two rods connected […]

Distributed Antenna System DAS Technology

The concept of a Distributed Antenna System, DAS has many advantages in some applications. A Distributed antenna system, DAS is a network of antennas spaced apart from each other, but connected to a common source. […]

Ferrite Rod Antenna: ferrite bar aerial

Notes about the ferrite rod antenna or ferrite bar aerial, a form of RF antenna that is widely used in RFID and portable transistor radio applications. The ferrite rod aerial or ferrite bar antenna is […]

Vertical Antennas: types, advantages, performance

The performance of vertical antennas lends itself well to many applications – in mobile applications their omnidirectional performance is key. But verticals provide more than just this. Vertical antennas form a widely used form of […]

Antenna Theory: aerial basics

Antennas are a key element of any radio system. An antenna is required to radiate and receive the signals and therefore their performance is key to the operation of the overall radio system. If the […]

Antenna Theory – Types of Antennas

Antennas have to be classified to understand their physical structure and functionality more clearly. There are many types of antennas depending upon the applications applications. Type of antenna Examples Applications Wire Antennas Dipole antenna, Monopole […]

What Are The Different Types of Antenna Polarization?

The most common types of antenna polarization are vertical, horizontal, right hand circular, or left hand circular, and antenna polarization is a critical aspect of antenna performance. The polarization of an antenna is based on […]

Terminal Antenna

RFID — Radio-Frequency Identification — provides a unique identifier for that object and just as a bar code or magnetic strip the RFID device must be scanned to retrieve the identifying information. An RFID system […]

Types of Antennas in Telecommunication

Antennas are an essential part of radio telecommunications equipment, bridging the gap between electronic and electromagnetic signals. The shape and size of an antenna is a strong clue as to its type, as the design […]

Antenna Basics: Radiation Patterns, Permittivity, Directivity, and Gain

Antennas transfer information between locations by altering electromagnetic fields in one location and detecting changes in electromagnetic fields in another location. To understand how antennas can transfer information to increasingly remote locations, you must first […]