Ama-TV Transmitters

Lesi sigaba sihlanganisa ama-TV edijithali ezifunda zonke eziqinile angasetshenziswa ngaphakathi nangaphandle, njengochungechunge lwe-FUTV, uchungechunge lwe-CZH518, uchungechunge lwe-FM518A, nochungechunge lwe-FU518D. Njengochungechunge lwakamuva lwe-TV transmitter oluthuthukiswe inkampani yethu, imikhiqizo yochungechunge ayikwazi ukusekela kuphela inhlangano yenethiwekhi yenethiwekhi yefrikhwensi eyodwa kanye nenethiwekhi yamafrikhwensi amaningi kodwa futhi isekela imodi yenkampani yenethiwekhi eyodwa kanye nemodi yenkampani yenethiwekhi eminingi Iphinde isekele isiteshi esisodwa kanye ne-broadband. izindlela zokudlulisa futhi ihlinzeka ngomkhawulokudonsa ongu-470mhz-566mhz noma 606mhz-806mhz. Ngaphezu kwalokho, uchungechunge lwama-transmitter we-TV lwakhiwe izikhulisamandla zamandla ezivela kwamanye amazwe ezinenzuzo ephezulu kanye ne-linearity ephezulu ye-LDMOS transistors, okuthuthukisa kakhulu ukuhambisana nokuthembeka kwemikhiqizo. Lolu chungechunge lwama-TV transmitters angasetshenziswa kabanzi ku-HDTV / SDTV yokudlulisa isignali yedijithali ye-TV noma izinhlelo zokusakaza kanye nokusakaza kwedijithali. Ifakwe i-modular power amplifier ehlakaniphile kanye nesikhulisi samandla esingenisiwe, sinenzuzo ephezulu kanye nomugqa ophezulu we-LDMOS transistor. ·Ukusetshenziswa kwamandla okuphansi, idizayini ye-superlinear, ithuthukisa kakhulu amandla okuhambisa, yehlisa imikhiqizo yokuhlanekezela engaqondile. Inomsebenzi we-AGC wokuqinisekisa ukuzinza nokuthembeka kwemikhiqizo. Imisebenzi yokuqapha i-alamu nesignali ikhonjiswa yi-LED. I-switching regulator, ububanzi obubanzi bokuzinza, ukusebenza kahle okuphezulu.

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    XHUMANA NATHI

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    I-FMUSER INTERNATIONAL GROUP LIMITED.

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