There has always been confusion about the external TV antennas for digital television as an alternative to the transition from digital to analog state. Was now close analogue digital television, HDTV in addition, is now the biggest TV destination.
There is a factor as the difference between the antenna digital TV antenna with HDTV. An antenna is designed for positive frequencies regardless of whether they are analog, digital or HDTV function. 'S For TVcould also (2-6 channels) at low VHF, extreme VHF (channels 7-thirteen) or UHF (channels 14 sixty-five 9).
HDTV
Looking for the right HDTV antenna
Virtually any digital TV stations are on UHF frequencies within the range, but there are still a lot of channels within the VHF antenna with some VHF and UHF and should buy. His desire, an antenna for VHF low, VHF or UHF antenna ends or you may purchase that coversall areas.
Digital TV can be frustrating and difficult to obtain in cases. The buildings may interfere with the frequencies. In addition, the leaves of shrubs, mostly interfere with digital TV signals. In addition, there are situations to receive your local television stations outside the scope of space for your home, you. For this you get an antenna that receives instructions (omni-directional), or you'll get a directional antenna that can be in the path of the TV channels to get the best flipReception.
TV stations report that they receive and the range of reception. Directional antenna receives the point of a single path, which obviously was looking for. An omni-directional or bi-directional (both directions) antenna capable of receiving HDTV channels in a number of instructions from their four walls, beautiful, eliminating the need to rotate the antenna. This works best on your TV in completely different directions, out of the house. An omnidirectionalThe antenna is typically receive equal amounts of a directional antenna that will receive, but in all directions at once. The antennas are received from the db (decibels) is also higher the dB, more power and distance should get him evaluated.
Recognize the native TV channels
When deciding on the HDTV antenna is best for you, perhaps you know the (radio frequency) RF channel in the native language TV stations. After the change to digital TV stations wereallowed to keep their old channel numbers, commonly known as the digital channels, but a large number of really changing its frequency RF channel to maintain. For example, I have two digital channels, but it is actually RF channel 34 When searching for an antenna, I could buy a low-VHF, a UHF antenna I would like to purchase on channel 34. To know the exact frequency of the RF channel, you get this completely different on different sites to discover in your field.
As digitalThe television advertising is different from analog TV
With analog television, when the signal was weak, perhaps you would see that picture and sound even if snow could be conceivable. The same happens with digital TV if the picture is weak or may even increase the image noise can be grainy image next to the drop-out or freeze.
Today, along with a robust digital HDTV signals, all that can penetrate and destroy, you get a clearImage. During spring to autumn, you might discover what a transparent image over the winter now. This is a consequence of flowering the leaves on the bushes next to the ominous sign.
While you are in a home with perhaps a series of tall buildings, is spherical, a further disadvantage, called Multi-Path. This can bounce off the TV signal of buildings continue to inflict a pixilated image. A directional antenna or preamp can remove theseProblem.
Vital information on how to choose the right HDTV antenna
ไม่มีความคิดเห็น:
แสดงความคิดเห็น