en:Car Terms:D:Dual Tuner With Phase Diversity 2019.0.12.0 CY/EN

SEAT Glossary

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D

Dual tuner with phase diversity

As incorporated in many SEAT audio and media systems, the diversity dual tuner (with phase diversity) ensures optimal radio reception. The received signal is passed from two antennas to two independent tuners, and finally combined in a digital processor.

One of the two tuners scans the entire frequency range periodically for receivable channels. This keeps the channel list up to date while driving. If interference occurs, the tuner can switch to alternative frequencies immediately.

The diversity tuner also offers a special advantage, even with Multipath. Interference that would usually otherwise occur is prevented by the fact that divergent signals are added out of phase. Even stations with a very weak signal can be received free of noise, since the two aerials work like a directional antenna.

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