Without a powerful signal receiver, television operation is hardly possible. Antenna for TV is one of the sought-after accessories in the market of radio. Its availability allows you to save on cable television, whose operators often dictate their conditions to consumers of services.
Which antenna for the TV is better to choose?
The antenna for the TV receives the signal from the tower or satellite, its characteristics are directly dependent on the transmitting device. It is wrong to choose and adjust the receiving device - it means to darken your leisure time with surprises, such as loss of signal, instability of broadcasting and a narrow list of received channels.
Digital broadcasting
Such a broadcast, when electromagnetic waves are used to transmit a signal, is called terrestrial. Anyone can pick up a digital TV signal with an antenna. Thus, the signal is broadcast on two frequencies:
- decimeter (UHF standard);
- meter (standard VHF).
Types and characteristics of antennas
Identifying antennas for different purposes on the market helps their separation into 3 types. Basically, the TV signal catchers are of 3 types:
According to the accepted frequencies:
- All-wave. Designed for decimeter and meter range.
- Mv Work only with the meter range.
- UHF. Work only with a decimeter range.
By the activity of amplifying the TV signal:
- Passive. This type of antenna makes it possible to more effectively capture a television signal using design features. There are no additional gain elements. Although such catchers are not designed for long receiving distances, they do not introduce additional noise into the signal. Under ideal conditions, the quality of work of passive antennas is better.
- Active. They have a hardware amplifier, which is mounted inside the case. It requires additional power, and, as a rule, active television antennas are equipped with a 220 V network adapter. Unfortunately, the amplifier generates interference. They are especially noticeable in the zones of optimal reception or with excessive amplifier power. Of course, a low quality power magnifier will process the signal worse.
According to the installation location:
- For indoor installation. Designed for areas with confident reception of digital television. It is better not to install them in houses remote from transmitters, in summer cottages or in very isolated premises. The laws of physics are irreconcilable with compactness and design.
- For external installation. Provide the best quality of reception where it is possible. This is an intermediate option between mini-catchers for the apartment and satellite dishes. Installing such solutions sometimes requires sacrifice and effort, but is more than worthwhile.
On practice
- Before installing a satellite or digital antenna for a TV, it is necessary to determine the location of the transmitter. Directing the catcher to the translator is very important, especially if you are using a room catcher.
- The window antenna is suitable if the television center or translator is located in a straight line from one of the windows of the apartment. If used properly, they can compete with solutions for a completely external installation.
- Indoor directional TV antennas are the best solution for receiving a small list of local channels.
- If the distance to the transmitter is more than 15 km - an external catcher is simply required.
Satellite dishes
Unlike digital satellite TV antennas work with a different stream of the incoming signal. The receiving element of such an antenna is the feed of the radio wave beam converter. The essence of the work "plates" is to focus the incoming signal on this irradiator.
You need to choose such an antenna based on the power of the satellites with which you will work. Satellite visibility data is widely represented on the network. For good reception of television frequencies you need to adjust the receiver depending on the information on the Internet.
Kinds of receivers
The main division of the "plates" for TV is in the form:
- Out of focus. This is a classic type of "plates", which can be found even in small villages. The converter and its surface partially shade the reflective surface. This is the main problem of this type of television antenna. And the problem is snow sticking. This may reduce the quality of reception.
- Offset. The converter here is fixed with an offset from the center down. Offset TV solutions are better protected from adverse weather conditions. At the same time, their installation takes less time and saves space.
What configuration of satellite dish to choose is up to the buyer to decide. Reception of television signals is better in offset solutions, if ideal operating conditions are met. Aluminum at the base of the composition allows the “plates” to have good performance during operation. However, such solutions are subject to deformation. To protect the shape of the antenna is intended to steel, which is part of some of these solutions.
Mesh “plates” are protected from gusts of wind, but they have poorer characteristics than solid products. However, their cost is different for the worse.
findings
We familiarized with the main types of signal receivers for digital television. As you can see, there is something to choose from. Fans of high-quality TV for a little money will certainly prefer home directional signal receivers. In conditions remote from the translator, an external trap will serve well, and for the most demanding users, satellite antennas will be the most appropriate solution.
Do you have any questions? Or maybe you want to consult with other visitors to our site? Leave your questions and suggestions in the comments - and your words will certainly find the answer!