• No ka puʻunaue ʻana i kahi hōʻailona i ʻelua mau hōʻailona o ka amplitude like a me kahi ʻokoʻa pae 90° a i ʻole 180° mau.
• No ka hoʻohui ʻana i ka quadrature a i ʻole ka hana ʻana i ka summation/differential combining.
Hoʻolauna
ʻO nā Couplers a me nā hybrids he mau mea hana ia e hele kokoke ana nā laina hoʻoili ʻelua i kekahi i kekahi no ka hoʻolaha ʻana o ka ikehu ma kekahi laina e hoʻopili ai i kekahi laina. Hoʻokaʻawale kahi hybrid 3dB 90° a i ʻole 180° i kahi hōʻailona hoʻokomo i ʻelua mau puka amplitude like. Hoʻokaʻawale maʻamau kahi coupler kuhikuhi i kahi hōʻailona hoʻokomo i ʻelua mau puka amplitude like ʻole. Hoʻokumu ʻia kēia huaʻōlelo "directional coupler", "90° hybrid", a me "180° hybrid" ma ke kuʻuna. Eia nō naʻe, hiki ke manaʻo ʻia nā hybrids 90° a me 180° he 3 dB directional couplers. ʻOiai kēia mau ʻano like, ua lawa ka ʻokoʻa o nā palena i hoʻohana ʻia e wehewehe i ke kahe hōʻailona i nā couplers kuhikuhi a me ka noi, i ka hoʻohana maoli ʻana, e hōʻoia i nā noʻonoʻo kaʻawale.
Ka Wehewehe Hana o nā Hybrids 180°
ʻO ka hybrid 180° he mea hana ʻehā-puka reciprocal e hāʻawi ana i ʻelua mau hōʻailona amplitude like i loko o ka pae ke hānai ʻia mai kona awa huina (S) a me ʻelua mau hōʻailona amplitude like 180° ma waho o ka pae ke hānai ʻia mai kona awa ʻokoʻa (D). I ka ʻaoʻao ʻē aʻe, e hoʻohui nā hōʻailona i hoʻokomo ʻia i loko o nā awa C a me D ma ka awa huina (B) a e ʻike ʻia ka ʻokoʻa o nā hōʻailona ʻelua ma ka awa ʻokoʻa (A). ʻO ke Kiʻi 1 kahi kiʻikuhi hana e hoʻohana ʻia ma kēia ʻatikala e hōʻike i ka hybrid 180°. Hiki ke manaʻo ʻia ʻo Port B ʻo ia ka awa huina a ʻo ka awa A ka awa ʻokoʻa. ʻO nā awa A a me B a me nā awa C a me D he mau hui awa i hoʻokaʻawale ʻia.
ʻO nā Hybrids 90° a i ʻole nā mea hoʻohui hybrid he mau mea hoʻohui kuhikuhi 3 dB kahi e 90° ke kaʻawale ai ke kahua o ka hōʻailona hoʻopuka i hoʻopili ʻia a me ka hōʻailona hoʻopuka. ʻOiai ʻo -3 dB e hōʻike ana i ka hapalua mana, hoʻokaʻawale like kahi mea hoʻohui 3 dB i ka mana (i loko o kahi hoʻomanawanui) ma waena o ka puka a me nā awa hoʻopuka i hoʻopili ʻia. ʻO ka ʻokoʻa pae 90° ma waena o nā puka e hoʻolilo i nā hybrids i mea pono i ka hoʻolālā ʻana o nā attenuators loli uila, nā mea hoʻohui microwave, nā modulators a me nā ʻāpana microwave ʻē aʻe a me nā ʻōnaehana. Hōʻike ka Kiʻi 5 i ke kiʻikuhi kaapuni a me ka papa ʻoiaʻiʻo e hoʻohana ʻia i ka wehewehe ʻana i ka hana o ka RF frequency 90° hybrid. E like me ka mea i ʻike ʻia mai kēia kiʻikuhi, ʻo kahi hōʻailona i hoʻopili ʻia i kekahi mea hoʻokomo e hopena i ʻelua mau hōʻailona amplitude like i quadrature, a i ʻole 90°, ma waho o ke kahua me kekahi. Ua hoʻokaʻawale ʻia nā awa A a me B a me nā awa C a me D. E like me ka mea i ʻōlelo mua ʻia ma ka ʻāpana hybrid 180°, hoʻohana nā mea hana RF a me ka microwave i nā ʻano hana kūkulu like ʻole. ʻOiai like nā pane theoretical, ʻokoʻa ka wahi o ka awa a me ka ʻaelike. Ma lalo, ma ke Kiʻi nā mana "cross-over" a me "non-crossover" i hāʻawi ʻia no nā alapine microwave (500 MHz a ʻoi aku) a me ka papa ʻoiaʻiʻo i loaʻa. Ua kapa ʻia nā hybrids kanaiwakūmāiwa he mau hybrids quadrature no ka mea ʻo ke ʻano o nā mea hoʻopuka ʻelua he quadrant (90°) ka mamao. E hoʻomaopopo hoʻi ʻaʻole ia he ʻokoʻa i ka awa kahi awa hoʻokomo inā mau ka pilina ma waena o nā awa. ʻO kēia no ka mea he symmetrical uila a me mechanical nā hybrids 90° e pili ana i nā Axes X a me Y.
ʻO Si Chuan Keenlion Microwave kahi koho nui o ke alahaka hybrid 3DB i nā hoʻonohonoho narrowband a me broadband, e uhi ana i nā alapine mai 0.5 a 50 GHz. Ua hoʻolālā ʻia lākou e lawelawe mai 10 a 30 watts mana hoʻokomo i loko o kahi ʻōnaehana hoʻoili 50-ohm. Hoʻohana ʻia nā hoʻolālā Microstrip a i ʻole stripline, a hoʻomaikaʻi ʻia no ka hana maikaʻi loa.
Hele mai nā ʻāpana me nā mea hoʻohui wahine SMA a i ʻole N, a i ʻole 2.92mm, 2.40mm, a me 1.85mm nā mea hoʻohui no nā ʻāpana alapine kiʻekiʻe.
Hiki iā mākou ke hoʻopilikino i ka 3DB Hybrid Bridge e like me kāu mau koi. Hiki iā ʻoe ke komo i ka ʻaoʻao hoʻopilikino e hāʻawi i nā kikoʻī āu e pono ai.
Ka manawa hoʻouna: ʻOkakopa-09-2022
