Nta:
- Broadband
- Siab zog
- Tsawg Insertion Poob
1. Kev sib cais siab: muaj peev xwm sib cais orthogonal thiab vertically polarized signals thiab hloov mus rau hauv ob lub teeb liab nrog rau theem sib txawv ntawm 90 degrees.
2. Kev poob qis qis: tuaj yeem faib cov teeb liab thaum txo qhov cuam tshuam ntawm lub teeb liab, yog li tswj xyuas qhov qis qis.
3. Broadband: Nws tuaj yeem ua haujlwm ntau zaus, ua kom haum rau ntau yam kev siv.
4. Kev sib raug zoo: Nws tuaj yeem tswj hwm tus qauv tsim thiab kev qhia tshwj xeeb hauv qhov chaw sib txawv, ua kom muaj kev ua haujlwm zoo hauv ntau lub tshuab.
5. Tsawg complexity: tus qauv yooj yim, yooj yim los tsim thiab integrate rau hauv loj-scale circuits.
Lub 90 degree hybrid couplers yog ib daim ntawv tshwj xeeb ntawm bidirectional coupler uas muaj cov hom phiaj hauv qab no:
1. Theem shifter: Ib qho 90 degree hybrid couplers feem ntau yog siv los ua ib theem hloov, uas tuaj yeem faib cov teeb liab tawm tswv yim rau hauv ob txoj kev, ib qho muaj tib theem raws li lub teeb liab qub thiab lwm qhov yog 90 degrees sib txawv (ie orthogonal) los ntawm thawj lub teeb liab, yog li ua tiav theem hloov haujlwm.
2. Microwave tov khoom: Lub 90 degree hybrid couplers kuj tseem siv tau los ua ib feem ntawm microwave zaus tov khoom.Nyob rau hauv ib tug tov khoom, lub functionality ntawm ib tug 90 degree hybrid couplers yog ntxiv RF teeb liab rau lub teeb liab generated los ntawm lub zos oscillator (LO), li no generating nce thiab down conversion signals.
3. Ob txoj kev faib hluav taws xob: Txij li 90 degree hybrid couplers tuaj yeem faib cov teeb liab tawm tswv yim rau hauv ob txoj hauv kev, nws tuaj yeem siv los ua ob txoj kev faib hluav taws xob los xyuas kom meej tias cov teeb liab faib muaj qhov sib txawv orthogonal thaum sib npaug zog.
4. Rau kev kuaj xov tooj cua thiab ntsuas: 90 degree hybrid couplers tuaj yeem siv los ntsuas kev ua haujlwm ntawm cov khoom siv xov tooj cua.Raws li nws tuaj yeem faib cov teeb liab tawm tswv yim rau hauv ob txoj hauv kev, ib qho ntawm lawv tuaj yeem siv los ua cov teeb liab siv rau kev ntsuas cov khoom ntsuas.
Qualwavemuab broadband thiab siab zog 90 degree hybrid couplers nyob rau hauv ib tug ntau yam ntawm 50MHz mus rau 40GHz.