Dual direction hybrid coupler series

Directional coupler ndi mtundu wa chipangizo cha microwave chomwe chimagwiritsidwa ntchito kwambiri mu microwave system.Chofunikira chake ndikugawa mphamvu ya siginecha ya microwave mugawo linalake.

Ma Directional couplers amapangidwa ndi mayendedwe opatsirana.Mizere ya coaxial, ma waveguide amakona anayi, mafunde ozungulira, mizere yozungulira ndi mizere yaying'ono imatha kupanga ma coupler olunjika.Chifukwa chake, kuchokera pamawonekedwe ake, owongolera owongolera amakhala ndi mitundu yosiyanasiyana komanso kusiyana kwakukulu.Komabe, malinga ndi momwe amalumikizirana, amatha kugawidwa m'mitundu inayi, yomwe ndi, kulumikizana kwa pinhole, kulumikizana kofananira, kulumikizana kwa nthambi ndi kufananitsa kawiri T.

Chowongolera chowongolera ndi gawo lomwe limayika mizere iwiri yolumikizirana pafupi ndi mzake kotero kuti mphamvu pa mzere umodzi zitha kuphatikizidwa ndi mphamvu pa imzake.Chizindikiro cha matalikidwe a madoko ake awiri otulutsa akhoza kukhala ofanana kapena osafanana.Chophatikizira chomwe chimagwiritsidwa ntchito kwambiri ndi 3dB coupler, ndipo matalikidwe azizindikiro zamadoko ake awiri ndi ofanana.

Directional coupler ndi njira yolumikizira mphamvu yolowera (kugawa).Ndi madoko anayi, omwe nthawi zambiri amakhala ndi mizere iwiri yopatsira yomwe imatchedwa mizere yowongoka (mzere waukulu) ndi chingwe cholumikizira (chingwe chachiwiri).Gawo (kapena zonse) za mphamvu ya mzere wowongoka zimaphatikizidwa ndi mzere wolumikizira kudzera mu njira ina yolumikizirana (monga mipata, mabowo, magawo olumikizirana, ndi zina zotero) pakati pa mzere wowongoka ndi mzere wolumikizira, ndipo mphamvu ndi yofunikira kuti iperekedwe ku doko limodzi lokha mumzere wolumikizira, pomwe doko lina lilibe mphamvu.Ngati njira yofalitsa mafunde mumzere wowongoka ikhala yotsutsana ndi njira yoyambira, doko lamphamvu komanso doko lopanda mphamvu mumzere wolumikizana lidzasinthanso molingana, ndiye kuti, kuphatikiza mphamvu (kugawa) ndikolunjika, kotero kuli koyenera. amatchedwa directional coupler (directional coupler).

Monga gawo lofunikira pamabwalo ambiri a microwave, ma coupler owongolera amagwiritsidwa ntchito kwambiri pamakina amakono amagetsi.Itha kugwiritsidwa ntchito popereka zitsanzo zamphamvu zolipirira kutentha ndi mabwalo owongolera matalikidwe, ndipo imatha kumaliza kugawa kwamagetsi ndi kaphatikizidwe kambiri pafupipafupi;Mu amplifier yolinganiza, ndizothandiza kupeza zolowetsa bwino komanso zotulutsa ma voltage Stand wave ratio (VSWR);Muzosakaniza bwino ndi zida za microwave (mwachitsanzo, network analyzer), zitha kugwiritsidwa ntchito kuyesa zomwe zachitika ndi ma siginecha owonetsedwa;Mukulankhulana kwa mafoni, gwiritsani ntchito.

90 ° bridge coupler imatha kudziwa cholakwika cha π/4 phase shift keying (QPSK) transmitter.Coupler imafananizidwa ndi mawonekedwe otsekereza pamadoko onse anayi, zomwe zimapangitsa kuti zikhale zosavuta kuziyika mumayendedwe ena kapena ma subsystems.Pogwiritsa ntchito mitundu yosiyanasiyana yolumikizirana, njira zolumikizirana ndi njira zolumikizirana, zolumikizira zolozera zoyenera pazofunikira zosiyanasiyana zamakina a microwave zitha kupangidwa.