GTC250 Terrestrial TV Frequency Converter
Mafotokozedwe Akatundu
GTC250 Terrestrial TV Converter ndi chothandizira chapadziko lonse lapansi chapadziko lonse lapansi chothandizira, fyuluta, chophatikizira, chosinthira tchanelo, chofanana, ndi chokulitsa. Ndizoyenera kugwiritsa ntchito mlongoti wapagulu komwe ma siginecha apa TV amatha kusankhidwa, kusinthidwa, kusefedwa, kuphatikiza, kufananizidwa, ndikukulitsidwa nthawi imodzi. Ndi LCD yophatikizidwa ndi makiyi, GTC250 ndiyosavuta kusankha njira zotulutsa ndikusintha mulingo wa RF.
GTC250 ili ndi cholowetsa chimodzi cha FM, zolowetsa zinayi za VHF/UHF, kutulutsa kwa RF kumodzi ndi doko limodzi loyesera -20dB RF. Kwa ma siginolo a DVB-T pa PAL-B/G, tchanelo cha VHF chili ndi 7MHz bandwidth ndipo njira ya UHF ili ndi bandwidth ya 8MHz, ndikwabwino kusintha tchanelo cha VHF kukhala tchanelo cha VHF ndi UHF kukhala tchanelo cha UHF chokha, pomwe njira ya 8MHz DVB-T UHF kukhala 7MHz. DVB-T VHF njira ikhoza kukhala ndi vuto lotayika.
Zomwe zili mumutu uliwonse wa mini zimachokera ku ma satelayiti, intaneti, TV yapadziko lapansi ndi makamera am'deralo. Mini-head iyenera kusankha kanema wofunidwa kuchokera pa satellite ndi intaneti, mux kanema wosankhidwa mu TS yatsopano. Popeza kuti ma TV ochulukirachulukira amatha kulandira ma siginecha a digito a QAM RF mwachindunji, zimapangitsa kuti ochita malonda a TV azitha kusintha DVB-S/S2 kukhala QAM, kusintha IP kukhala QAM ndikusintha makamera am'deralo kukhala QAM. Komabe, TV yapadziko lonse lapansi nthawi zonse imakhala yotchuka pazomwe zili pafupi ndi olembetsa. QAM RF yophatikizidwa imatha kugawidwa mosavuta pa chingwe cha coaxial (kapena fiber) m'nyumba zilizonse zogona, kuwulutsa SD ndi HD makanema opanda STB yowonjezera pamaso pa TV yanzeru.
