Ka'idojin watsa shirye-shiryen TV D/D2 MAC

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• Yadda ake musanya mai linzamin kwamfuta zuwa madauwari don NTV 777777 Idan kuna da tasa da aka kunna, alal misali, zuwa HotBird ko wani wuri, kuma kuna son karɓar Eutelsat Sesat W4 36E, to akwai matsala ɗaya - 36E yana watsa sigina a cikin madauwari polarization, don wannan kuna buƙatar kashe kuɗi akan sabon. mai canzawa ko ... kadan - ɗan lokaci kaɗan, kyauta! Don yin wannan, kana buƙatar cire hular kariya a kan mai canzawa, idan lokacin sanyi ne, to, yana da kyau a cire na'urar, shigar da shi a cikin ɗakin kuma sauke hular a cikin ruwan dumi don ya yi zafi kuma yana da kyau. na roba. In ba haka ba, lokacin da za a cire hular, za ta tsage cikin sanyi, kamar nawa (Na yi kasala don cire shi). Amma idan wannan ya faru, kada ku damu, to, zai yiwu a ja jakar filastik a kan shi kuma a rufe shi da tef. Ana shirya masu juyawa masu layi da madauwari ta hanya ɗaya. A cikin zurfin jagorar wave, ƙananan eriya, 2-3 mm a girman, a kwance da kuma a tsaye, sun tsaya. Mai jujjuyawar madauwari ya bambanta ne kawai a farkon jagorar wave, a gaban waɗannan eriya, akwai farantin filastik wanda ke “daidaita” igiyar murɗi. Idan irin wannan farantin da aka yi da filastik na yau da kullun an sanya shi a cikin mai jujjuya madaidaiciya, to zai karɓi siginar madaidaiciya da kuma madauwari. Siffar dielectric ba kome ba, idan dai yana da lebur kuma a kusurwar digiri 45. Za ku buƙaci wani yanki na filastik ~ 2mm lokacin farin ciki, Na yi amfani da layin akwatin CD na baki. Yana da sauƙi a yanke tare da almakashi, amma tun da ya fi sauƙi, kuna buƙatar yanke faranti guda biyu kuma ku haɗa su tare ba tare da gluing ba. Girman ya dogara da mai canzawa. Na yanke wannan siffar (tare da ƙugiya don sauƙin gyarawa). Taper zai ba ka damar ɗaure shi amintacce. An ƙaddara nisa ta hanyar hanyar shigarwa, idan bai dace ba, to kuna buƙatar yanke shi. Sannan rufe hular, kar a manta da hatimin roba don kada ruwa ya zube. An shirya duk mai jujjuyawar duniya. Babu buƙatar canza nau'in mai canzawa a cikin saitunan sauti! Bar Ku-Line. Ana shirya masu juyawa masu layi da madauwari ta hanya ɗaya. A cikin zurfin jagorar wave, ƙananan eriya, 2-3 mm a girman, a kwance da kuma a tsaye, sun tsaya. Mai jujjuyawar madauwari ya bambanta ne kawai a farkon jagorar wave, a gaban waɗannan eriya, akwai farantin filastik wanda ke “daidaita” igiyar murɗi. Idan irin wannan farantin da aka yi da filastik na yau da kullun an sanya shi a cikin mai jujjuya madaidaiciya, to zai karɓi siginar madaidaiciya da kuma madauwari. Siffar dielectric ba kome ba, idan dai yana da lebur kuma a kusurwar digiri 45. Za ku buƙaci wani yanki na filastik ~ 2mm lokacin farin ciki, Na yi amfani da layin akwatin CD na baki. Yana da sauƙi a yanke tare da almakashi, amma tun da ya fi sauƙi, kuna buƙatar yanke faranti guda biyu kuma ku haɗa su tare ba tare da gluing ba. Girman ya dogara da mai canzawa. Na yanke wannan siffar (tare da ƙugiya don sauƙin gyarawa). Taper zai ba ka damar ɗaure shi amintacce. An ƙaddara nisa ta hanyar hanyar shigarwa, idan bai dace ba, to kuna buƙatar yanke shi. Sannan rufe hular, kar a manta da hatimin roba don kada ruwa ya zube. An shirya duk mai jujjuyawar duniya. Babu buƙatar canza nau'in mai canzawa a cikin saitunan sauti! Bar Ku-Line. 777777 777777

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April 20, 2024 07:27:12 +0300 GMT
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