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FAQ 51-2002-en

The TV signal obtained by a terrestrial antenna varies in its quality, ranging from a distorted image to a grained picture. What should I do?

Respuesta: 

This is called "fading".

The signal level received varies in some channels.

This variation can either cause the saturation of equipment (picture distortion) or poor signal detection (grain).

Many different atmospheric factors affect this phenomenon such as the tides, the seasons of the year, and even the solar stains.

The elimination of fading is difficult:

  • First try changing the location of the antenna.

Sometimes a change of just a few meters avoids this problem.

  • A second solution consists in the use of AGC amplification equipment.

For example, our range of T93 single-channel amplifiers that are capable of compensating variations in the input level of up to 20 db.

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