Antenna Loading Coil: Everything You Need to Know

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The topic of our discussion in this article is the antenna loading coil. We will briefly explain some essential facts about the antenna loading coil along with some features, functions, and the usage of antenna loading coil. If you want to learn about the antenna loading coil, luckily, you are at the right place. Just for the basic understanding, you need to acknowledge that, in electron circuits, the inductance of the circuit is controlled with the help of the inductor. That inductor is constructed in the form of a choke also known as coil and in this article, we will be briefing you about similar king of antenna load coil.

In the nineteenth century, the concept of the antenna loading coil was discovered. The old shorter telegraph lines with less inductance lead to the discovery of antenna loading coils. The antenna loading coil is that inductor used in the electron circuit in series to control the circuit’s inductance. The distortion of the signals is controlled with the help of the antenna loading coil. When an antenna is constructed, it is made resonant according to the frequency wavelength. This resonant frequency is lowered with the help of the antenna loading coil.

In many Marine VHF antennas, Marine VHF radios and some other long range two ray radios, the wavelength used in their construction is half or quarter-sized. The wavelength is also limited to some extent in the mobile antennas. IF you lower the length of the antenna, then the resonant frequency will increase. For this particular purpose, the antenna loading coil is used in the radios and devices. The high resonant frequency will result in distortion. As long as the resonant frequency will not lower, the distortion will not go. To control the distortion and to lower such resonant frequency, an antenna loading coil us used. At the base of the single-band antenna, there should be a coil at its center. But if it is using a single dipole, then it will need two antenna coils.

There are some calculations according to which you will be able to place the antenna loading coil in the antenna. Without these calculations, you cannot use the loading coil anywhere. The antenna loading coil is not modeled as an electrical element at all. The behavior of the inductor is always checked. There is a current at one end of the inductor, and it will produce a magnetic field. This magnetic field generated at one end of the inductor will produce the current on its opposite side. So, before placing the antenna loading coil, you will have to make some calculations that will help you to determine the exact position of the loading coil in the antenna.

So, we can say that the antenna loading coil increases the inductance of the circuit. Chemical adhesive agents are used to bind the windings to the antenna coil. You can place the complete unit in the magnetic field. As a result of its movement in the field, it will generate an electric current; by checking your requirements and reading the information mentioned above about the antenna loading coil, you can choose what is best for your apparatus.