# Monopole Antenna Design

However this antenna must be placed on to a large conductive surface to function properly. There are variations to monopole antenna which will provide antennas of inverted-L and inverted-F types.

### Design curves for the length of the feed transmission line for various lower band-edge frequencies for all these regular shaped.

Monopole antenna design. What are the design considerations of a monopole antenna and what are the available feeding methods to. The design of dual band monopole antenna starts with designing of the radiating element. In communication systems the most important things to look for are the cost and low power of the device used.

This paper presents the design equations for lower band-edge frequency for all the regular shapes of printed monopole antennas with various feed positions. DESIGN OF THE PRINTED MONOPOLE ANTENNA The printed monopole antenna has been designed on low cost FR4 glass substrate εr 43 h156 mm with patch size of 121cm2 area excluding the CPW feed area. A monopole antenna is half of a dipole antenna on top of a conducting ground plane.

A monopole antenna is a type of dipole antenna formed by replacing one half of the dipole antenna with the ground plane at a right angle to the remaining half. Here air substrate is used ie. If the ground plane is large enough the monopole behaves exactly like a dipole because its reflection in the ground plane forms the missing half of the dipole.

In this papere propose a novel design of triple w frequency monopole antenna excited by microstrip feed line with a rectangular optimum ground plane. The length of the feed transmission line is a critical design parameter of these monopole antennas. The antenna must have a ground plane to be efficient and ideally the ground plane should.

Whip antenna calculator monopole antenna calculator. These antennas find uses in mobile communications and internet networks. Monopole above a PEC a and the equivalent source in free space b.

The second design is a Wideband Microstrip antenna that has wideband characteristics and the third antenna is a Circular Disc Monopole Antenna for. As shown in Figure1 a fractal patch has been designed and this fractal patch serves as initiator Figure1e in the design of the printed. Returning to the nominal antenna design illustrated in Fig.

This Whip Antenna calculator calculates various parameters of whip antenna or monopole antenna. A monopole antenna is a class of radio antenna consisting of a straight rod-shaped conductor often mounted perpendicularly over some type of conductive surface called a ground plane. Monopole Antenna on Infinite Ground Plane Far-fields E and H for the λ4 monopole above the ground plane are same as that of dipole antenna Far fields – Electric and Magnetic fields Input Impedance 𝑍𝑖𝑛 𝑍𝑖𝑛 2 73 425 2 365 2125 Directivity.

One might have seen long straight rod on the car it is known as whip antenna. This calculator on the whip antenna mentions formula or equations used for calculations. Parallel line loaded monopole antenna 4 etc.

Most of the monopole antennas reported in the literature are mounted above a large ground plane which increases the complexity of the system. Since dual band the radiating element for both frequencies is required. It also depicts folded monopole antenna.

This is to demonstrate the design of a simple monopole antenna. The monopole antenna has image through a metal or ground plane. These type of monopole antennas are used for hand held.

The gap between feed and. Across the base insulator between the. Figure-1 depicts monopole antenna with its radiation pattern.

The driving signal from the transmitter is applied or for receiving antennas the output signal to the receiver is taken between the lower end of the monopole and the ground plane. The case of a monopole antenna of length L mounted above an infinite ground plane is shown in Figure 1a. 56 with the monopole embedded within alumina Fig.

Using image theory the fields above the ground plane can be found by using the. The first design is a Dual band Microstrip antenna which produces dual band characteristics. Quarter Wave Antenna Calculator.

In case of the antenna this two things can be satisfied by means of using the monopole antenna. Design Procedure One of the most popular antennas for wireless communication is the monopole antenna. Radio frequency power from the broadcasting transmitter is fed.

The monopole antenna is an common antenna that is often used on vehicles and other areas were a large conductive flat area is present ground plane. Usually monopole antennas are quarter-wavelength structures so the length of the wire should be 122364 30509cm. The standard monopole antenna measures 14 wavelength in height λ4.

The monopole Antenna is commonly used in radio broadcasting the. A monopole antenna is one half of a dipole antenna almost always mounted above some sort of ground plane. Basic properties of a quarterwave monopole antenna A quarterwave monopole is a ground plane dependent antenna that must be fed single-ended.

The length of radiating element can be designed using the quarter-wavelength equation for monopole antenna ie. 58A illustrates the power absorption profile for an l m 95 mm monopole antenna at the onset of heating 0 s. I initiated to design a monopole antenna for particular frequency.

It consists of the design procedure and HFSS simulation of the antenna. To do this you simply need to divide the speed of light c 299 792 458 ms by the frequency f. The radius and the shape of the ground plane will affect the radiation pattern and input impedance of the monopole antenna usually.

The most common type is a quarter-wave monopole where the antenna is approximately 14 of wavelength of radio waves. Power absorption extends maximally in the radial direction close to the distal end of the applicator although a. The simplest monopole antenna consists of a vertical element with an optimal length λ4 on the ground plane.

Invented in 1895 by Guglielmo Marconi IT who discovered that if he attached the live terminal of his transmitter to a wire perpendicular to the earth and the other terminal was attached to earth he could transmit for long distances. In the case of 245GHz the wavelength is 12236 centimeter 48 in. This is a design is called a monopole antenna.

It consists of flexible wire. The radiation pattern is limited to above the ground plane of the antenna. The described antenna should be fabricated on standard 16mm low cost FR4 printed circuit board PCB.

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