Not yet registered? Create a OverBlog!

Create my blog

How AM/FM radio antennas work

A radio works by receiving electromagnetic waves which wander in the air around us. It does this by the help of an antenna which is a device that helps capture the waves and which is made of stainless steel. Antennas are known to change lengths and heights and are of many types and varieties depending on a number of applications and uses. Read this article to now how AM/FM radio antennas work.

Types of antennas

There are many antennas with specific purposes. For instance, the TV antennas are used to capture relevant TV signal frequencies. AM antenna and FM antennas aid in capturing radio frequencies and this is characterised while using radio tuners to search for frequencies. At least, these were the characteristics of an analogue radio system back in the days. There are equally antennas for television sets as well as those used in cars. You will find portable antennas as well based on what you need to use this device.

Working mechanism

AM radio is characterised by long antennas and lower frequency for efficient transmission. There are many stations with some being strong, while others are weak. While using the radio transmitter to tune, you will notice the signal either disappear or grow stronger based on the signal strength that the given frequency operates in. The radio antenna and tuner should be linked as there is automatic system in few types of antennas. Should the signal strength still be weak, you may use an amplifier antenna to strengthen your signal strength.

Type of radio in relation to antennas

Current rapid technological change has seen the radio develop into being more digital than analogue. The digital AM radio works differently from the analogue type of radio. As a matter of fact, radio HD is far much better and works well compared to the CC radio. The C crane radio for a long time provided the most reliable service in terms of frequency and radio signal strengths but this is fast changing with the radical changes that the industry is experiencing. Most digital devices come with amplifier antennas pre-installed and for this reason, the traditional steel antennas are no longer being used. Preservation of analogue devices As much as the world is embracing the digital age, we cannot deny the fact that a number of people are still using analogue devices and systems. This will aid in helping even the younger generation to understand the use of antennas in our old analogue radio devices.

Same category articles Home entertainment systems

How can I simulate the biggest TV?

How can i simulate the biggest tv?

The biggest tvs that are available to today's consumers are very expensive units which quickly lose value. thanks to advances in manufacturing techniques, the price of flat screen tvs are constantly dropping which means that today's top of the line products will lose more than half of their value in the first year alone. in this article, we'll look at how you can simulate the biggest tv without spending a lot of money.
How to place satellite speakers

How to place satellite speakers

If you have spent a lot of money on a home theatre system with front and rear satellite speakers, surround amp and sub woofer, you need to make sure that the speakers are properly placed. many people reduce the effectiveness of their system simply by mounting their speakers in the wrong place. this article will help you to avoid these mistakes and will show you how to get the most of your surround speaker system.
Caring for and installing an LCD projector bulb

Caring for and installing an lcd projector bulb

The lamp of lcd projectors is among the most important parts of the projector. it is also a part that needs to be repaired quickly as it is vulnerable and is easily damaged. this article tells you how you can look after your projector lamp well and expand its lifespan.
How to make a slide-show?

How to make a slide-show?

Either for business, class or even birthday presentation, creating a high quality slide-show will make a big impact and make a great impression on everyone. creating a high quality slide-show is not a hard task if you know the right step with the right software.