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    Uchambuzi wa kina wa kanuni ya transmitter ya TV

     

    Makala ya transmita ya Analog TV

       Ishara zote mbili za picha na ishara ya sauti hupitishwa kwa wakati mmoja.

       Kusambaza na VHF (wimbi la mita) na UHF (wimbi la decimeter).

       Utoaji wa picha unachukua moduli ya amplitude na njia ya vestigial sideband.

       Uhamisho wa sauti unaoambatana unachukua njia ya moduli ya masafa.

      Kutumia njia ya kati ya moduli ya masafa;

       Picha IF: 38MHz, IF IF ya Sauti; 31.5MHz (mfumo wa PAL-D / K)

       Tofauti ya masafa kati ya masafa ya mtoa huduma wa picha na mzunguko wa carrier wa sauti lazima idumishwe kabisa.

      Uwiano wa picha na sauti kawaida ni 10: 1

       Ikiwa teknolojia ya kabla ya kusahihisha ili kuhakikisha utendaji bora.

       Televisheni ya transmitter moja ya transmitter na transmitter ya kituo mbili.

      Mtumaji wa Televisheni wa kisasa anachukua njia-ya-hali-dhabiti-ya-njia moja.

      Amplifiers zote zenye nguvu za serikali hutumia viboreshaji vya nguvu vilivyo na faida kubwa kuliko 40dB, na kipaza sauti cha mwisho hufanya kazi katika Hatari AB.

      Mfumo wa ufuatiliaji wa akili, operesheni rahisi na matengenezo rahisi

     

     

     

     

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