• Ukwahlula isignali ibe ziimpawu ezimbini ezinobukhulu obulinganayo kunye nomahluko wesigaba se-90° okanye se-180° ongaguqukiyo.
• Ukudibanisa i-quadrature okanye ukwenza i-summation/differential combination.
Intshayelelo
IiCoupler kunye neehybrids zizixhobo apho imigca emibini yokudlulisela idlula kufutshane ngokwaneleyo ukuze amandla asasazeke kumgca omnye ukuze adibane nomnye umgca. I-3dB 90° okanye i-180° hybrid yahlula isignali yokufaka ibe ziziphumo ezimbini ezilinganayo ze-amplitude. I-directional coupler idla ngokwahlula isignali yokufaka ibe ziziphumo ezimbini ezingalinganiyo ze-amplitude. Eli gama elithi "directional coupler", "90° hybrid", kunye ne-180° hybrid" lisekelwe kwisivumelwano. Nangona kunjalo, ii-hybrids ze-90° kunye ne-180° zinokuthathwa njengee-directional couplers ze-3 dB. Nangona kunjalo, ezi zinto zifanayo, iiparameters ezisetyenziselwa ukuchaza ukuhamba kwesignali kwii-directional couplers kwaye ukusetyenziswa, ekusetyenzisweni kwangempela, kwahlukile ngokwaneleyo ukuze kuqinisekiswe ukuba kukho izinto ezahlukeneyo ekufuneka ziqwalaselwe.
Inkcazelo Yokusebenza YeeHybrids eziyi-180°
I-180° hybrid sisixhobo esijikelezayo esineeport ezine esibonelela ngemiqondiso emibini elinganayo ye-amplitude in-phase xa inikwa amandla ukusuka kwi-sum port (S) kunye nemiqondiso emibini elinganayo ye-amplitude 180° out-of-phase xa inikwa amandla ukusuka kwi-difference port (D). Ngokwahlukileyo koko, imiqondiso efakwa kwiiports C kunye no-D iya kongeza kwi-sum port (B) kwaye umahluko wemiqondiso emibini uya kuvela kwi-difference port (A). Umfanekiso 1 ngumzobo osebenzayo oza kusetyenziswa kweli nqaku ukumela i-180° hybrid. I-Port B ingathathwa njenge-sum port kwaye i-port A yi-difference port. I-Ports A kunye no-B kunye ne-ports C kunye no-D zizibini zeeports ezizimeleyo.
IiHybrids ezingama-90° okanye ii-hybrid couplers ngokusisiseko zii-3 dB directional couplers apho isigaba se-coupling output signal kunye ne-output signal zihlukene ngama-90°. Ekubeni i--3 dB imele isiqingatha samandla, i-3 dB coupler yahlula amandla ngokulinganayo (ngaphakathi kokunyamezelana okuthile) phakathi kwe-output kunye nee-coupling output ports. Umahluko wesigaba sama-90° phakathi kwee-outputs wenza ii-hybrids zibe luncedo kuyilo lwee-electronically variable attenuators, ii-microwave mixers, ii-modulators kunye nezinye izinto ezininzi ze-microwave kunye neenkqubo. Umfanekiso 5 ubonisa umzobo wesekethe kunye netheyibhile yenyaniso eza kusetyenziswa ekuchazeni ukusebenza kwe-RF frequency 90° hybrid. Njengoko kunokubonwa kulo mzobo, uphawu olusetyenziswa kuyo nayiphi na i-input luya kubangela imiqondiso emibini ye-amplitude elinganayo eyi-quadrature, okanye i-90°, ngaphandle kwesigaba esinye. IiPorts A kunye ne-B kunye neePorts C kunye ne-D zahlulwe. Njengoko bekutshiwo ngaphambili kwicandelo le-180° hybrid, izixhobo ze-RF kunye nee-microwave frequency zisebenzisa iindlela ezahlukeneyo zokwakha. Nangona iimpendulo zethiyori zifana, indawo ye-port kunye ne-convention zahlukile. Apha ngezantsi, kuMfanekiso kukho iinguqulelo "ezinqamlezayo" kunye "nezingagqithiyo" ezinikezelwa kwiifrikhwensi ze-microwave (500 MHz nangaphezulu) kunye netheyibhile yenyani ephumayo. Ii-hybrids ezingamashumi alithoba zikwabizwa ngokuba zii-quadrature hybrids kuba isigaba seemveliso ezimbini sihlukane nge-quadrant (90°). Qaphela kwakhona ukuba akwenzi mahluko ukuba yeyiphi i-port eyi-input port logama nje ubudlelwane phakathi kwee-ports buhlala bukhona. Oku kungenxa yokuba ii-hybrids ezingama-90° zilingana ngombane nangoomatshini malunga nee-X kunye nee-Y Axes.
I-Si Chuan Keenlion Microwave luluhlu olukhulu lwe-3DB hybrid bridge kwi-narrowband kunye ne-broadband configurations, egubungela amaza ukusuka kwi-0.5 ukuya kwi-50 GHz. Zenzelwe ukuphatha amandla okufaka ukusuka kwi-10 ukuya kwi-30 watts kwinkqubo yokudlulisela ye-50-ohm. Uyilo lwe-Microstrip okanye lwe-stripline luyasetyenziswa, kwaye lulungiselelwe ukusebenza kakuhle.
Iiyunithi ziza nezihlanganisi ze-SMA okanye ze-N ezisemgangathweni, okanye izihlanganisi ze-2.92mm, 2.40mm, kunye ne-1.85mm zezixhobo ezisebenzisa i-frequency ephezulu.
Singakwazi nokwenza ngokwezifiso i-3DB Hybrid Bridge ngokweemfuno zakho. Ungangena kwiphepha lokwenza ngokwezifiso ukuze unikeze iinkcukacha ozifunayo.
Ixesha lokuthumela: Okthobha-09-2022
