Ngu Admin / 18 May 23 /0Amagqabantshintshi Isekethe yeBalun - idigri yokulinganisela Isalathisi esisemgangathweni esibalulekileyo seBarron yibhalansi yayo, eyinqanaba apho iziphumo ezimbini ezilungelelanisiweyo (enye yi-180 ° imveliso eguquliweyo kwaye enye imveliso engaguqukiyo) ikufutshane nemo efanelekileyo 'yenqanaba lamandla alinganayo, i-180 ° umehluko wesigaba. '. I-engile yesigaba di... Funda ngokugqithisileyo Ngu Admin / 18 May 23 /0Amagqabantshintshi Isekethe yeBaron I-Balun sisixhobo se-port ezintathu, okanye i-broadband transmission line transformer edibanisa i-balanced and unbalanced transmission circuit circuits ngokuguqula amagalelo ahambelanayo kwiziphumo ezahlukileyo. Umsebenzi weBarron kukwenza ukuba inkqubo ibe ne-impedance eyahlukileyo ... Funda ngokugqithisileyo Ngu Admin / 08 May 23 /0Amagqabantshintshi isekethe yokunyusa Zombini i-buck circuit kunye ne-boost circuit zizijikelezo ezibalulekileyo kuyilo lwe-hardware, ngakumbi kwii-ONU ezihlakaniphile kunye nezixhobo ze-OLT. Umsebenzi we-VOICE kuyilo lwe-ONU usebenzisa i-boost circuit ukunyusa ngokuthe ngqo i-voltage kunye nokubonelela amandla kwiifowuni zangaphandle. Eyona ndlela... Funda ngokugqithisileyo Ngu Admin / 08 May 23 /0Amagqabantshintshi Iimpawu ze-eriyali ye-ONU Inzuzo ye-eriyali: I-coefficient yenzuzo yiparameter elinganisa ngokubanzi ukuguqulwa kwamandla kunye neempawu zesalathiso ze-eriyali. Inkcazo yayo yile: Imveliso ye-coefficient ye-directional coefficient kunye nokusebenza kakuhle kwe-eriyali ichazwa njenge: D yikofu yendlela ... Funda ngokugqithisileyo Ngu Admin / 04 May 23 /0Amagqabantshintshi Ulwazi olusisiseko lwee-antenna zemveliso ye-ONU Ii-eriyali ziguqula imiqondiso yombane esasazwa zizixhobo zibe ngamaza ombane osasazo. Ngokuqhelekileyo, ii-antenna zinomsebenzi wokudlulisa kunye nokufumana, kodwa kwiimeko ezikhethekileyo, zenza kuphela umsebenzi wokufumana. (ezifana ne-eriyali yosasazo) I... Funda ngokugqithisileyo Ngu Admin / 04 May 23 /0Amagqabantshintshi Ulwandlalo olusisiseko lwemodyuli yokubona Imodyuli ye-optical iqukethe izixhobo ze-optoelectronic, iisekethe ezisebenzayo, i-optical interfaces, njl. Ngamafutshane, indima yemodyuli ye-optical kukuguqulwa kweefoto zombane. Isiphelo sokuthumela siguqula i-el... Funda ngokugqithisileyo << < Ngaphambili13141516171819Okulandelayo >>> Iphepha 16/76