कैसे काम करती है Dish TV की छतरी? 99% लोगों को नहीं पता इसके पीछे की टेक्नोलॉजी

The principle job of dish TV umbrella is to catch the sign coming from the satellite tv for pc. The telecast of TV channels is first despatched to the geostationary satellites current 1000’s of kilometers above the bottom. These satellites revolve across the earth on the identical velocity that they all the time seem in a single place. The dish antenna captures the microwave frequency coming from this satellite tv for pc.

Have you ever observed that the dish antenna is spherical and depth? That is known as parabolic form. The specialty of this form is that it focuses the weak alerts coming from far and vast on the identical level. This level is named a focus, and it’s right here that the LNB (low noise block converter) within the dish receives the sign.

LNB is an important a part of the dish. Its job is to catch the high-frequency waves coming from the satellite tv for pc. Flip these alerts into low noise and low frequency alerts. Sending the modified alerts to your set-top field by coexial cable.

They’re nonetheless within the type of digital code when alerts attain the set-top field. The set-top field decodes them and converts your TV into audio-video alerts. That’s, the umbrella of the dish + LNB + set-top field is the true cause for each image and voice on TV.

You could have seen many instances that TV alerts disappear throughout rain or storm. The explanation for that is that water drops and clouds soak up microwave alerts. This weakens the alerts coming from the satellite tv for pc and the dish isn’t in a position to maintain them correctly.

At present, HD and 4K broadcasting in Dish TV are additionally potential by this know-how. Within the coming time and superior satellites and IPTV (Web Protocol TV) know-how collectively will make it quicker, secure and higher. The umbrella of Dish TV isn’t just a spherical plate, however it’s a part of the state -of -the -art satellite tv for pc communication system. Its parabolic design, LNB and set-top containers collectively carry a whole lot of channels to our TV.