tv booster amplifier
Wednesday, November 18th, 2009Can I use 2 signal boosters / amplifiers TV antenna?
Hello everyone, I am currently using an indoor antenna with a built in memory of DTT (my air communal flats sucks) - I can get more Chennels but missing a few like ITV 2, 3, 4. The question is - if I may add another line of reinforcement will make a difference? Thanks in advance!
Do not bother with a second booster, you are wasting money. At best you will amplify noise and at worst will damage the tuner. The problem relates to the way digital transmission channels. With analogue television is a TV station (channel) by the frequency and six to ten frequencies of typical transmitter site. With digital transmissions to squeeze up to six TV channels in a single frequency. Each of these collections is called "Mulitiplex (MUX). This is how they manage to say that there are 60 channels available in DTT strange. Most of them part-time only broadcast, as they share their position with another mux (eg, CBBC and BBC 3 can not be at the same time). This, as you might imagine, the results are transmitted in a UHF signal increadibly complex. The Freeview box has to tune a lot in this and then decode the channels for simple and logical presentation is available for your TV. Most of the better Freeview boxes and digital televison sets have a facility to display a signal strength and signal quality. Usually somewhere in the setup menu. signal strength is the strength of the received UHF signal antenna, the signal quality is an indicator of signal distortion. The digital bit stream contains a sophisticated error correction so that the Most of the 'damage' can be repaired by the DVB-T tuner. When an analog TV signal is weak or interfered with, usually still can see, although with a grainy picture or ghosting. Unfortunately, as degrade the quality of a digital TV signal of the correction mistakes loses its ability to recreate the original bit-stream. This translates into blockyness image, or sometimes complete loss of all channels in a Mux. That's why you can receive some places but not others. Adding antenna amplifiers only increase the signal strength may not improve signal quality. Therefore, if you have a distorted signal into the amplifier will receive a more powerful, but still distorted signal out. The best thing is to improve the signal the source for a good antenna. If you should have an amp then you should have a unique and must be as close to the antenna as possible. Try one more carriers. If you have room then get a 12 element air and fix it to a piece of furniture high (be sure it is facing the transmitter). The modern dual-screen co-ax cable for powering up your TV and the route away from sources of interference such as dimmer switches, thermostats, fluorescent lights, etc. The best solution is that all tenants to obtain Togther communial age and have the air replaced by a really good, modern wiring and a modern high with a gain low noise amplifier of the adjusted distribution. This cost is surprisingly low (relative to one entry per head) compared to the price of the super-modern high-definition TV sets that people have, and provide everyone with an input signal that his televsions really can "do business". In fact, if all co-operated then they probably would be cheaper (and probably better) than the purchase of indoor antennas and antenna amplifiers staff.
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