Chigawo cha mphamvu cha Wilkinson ndi chogawanitsa chomwe chimagwiritsa ntchito ma transformer awiri ofanana, osalumikizana, olumikizana a ma quarter-wavelength transmission line transformers. Kugwiritsa ntchito ma transmission line kumapangitsa kuti Wilkinson divider ikhale yosavuta kugwiritsa ntchito pogwiritsa ntchito standard printed circuit transmission line. Kutalika kwa ma transmission line nthawi zambiri kumachepetsa ma frequency range a Wilkinson divider kufika pa ma frequency opitilira 500 MHz. Resistor pakati pa ma output ports imalola kuti azikhala ndi ma impedances ofanana pomwe amaperekabe kudzipatula. Chifukwa ma output ports ali ndi zizindikiro za amplitude ndi phase yomweyo, palibe voltage kudutsa resistor, kotero palibe current flows ndipo resistor siichotsa mphamvu iliyonse.
Zogawa mphamvu
Chogawa mphamvu chili ndi chizindikiro chimodzi cholowetsa ndi zizindikiro ziwiri kapena zingapo zotulutsa. Zizindikiro zotulutsa zimakhala ndi mulingo wa mphamvu womwe ndi 1/N mulingo wa mphamvu yolowetsa pomwe N ndi chiwerengero cha zotulutsa mu chogawa. Zizindikiro zomwe zili pa zotulutsa, zomwe zimapezeka kwambiri mu mtundu wogawa mphamvu, zili mu gawo. Pali zogawa mphamvu zapadera zomwe zimapereka kusintha kwa gawo lolamulidwa pakati pa zotulutsa. Ma RF omwe amagwiritsidwa ntchito pogawa mphamvu, monga tafotokozera kale, amatsogolera gwero lofanana la RF kuzipangizo zingapo (Chithunzi 1).
Chithunzi cha gwero la RF cholunjika ku zipangizo zingapo
Chithunzi 1: Ma power dividers amagwiritsidwa ntchito kugawa chizindikiro cha RF chofanana ndi zida zingapo monga mu phased array antenna system kapena mu quadrature demodulator.
Chitsanzo ndi antenna yokhala ndi magawo angapo pomwe gwero la RF limagawidwa pakati pa zinthu ziwiri za antenna. Ma antenna amtunduwu nthawi zambiri amakhala ndi zinthu ziwiri mpaka zisanu ndi zitatu kapena kuposerapo, zomwe chilichonse chimayendetsedwa kuchokera ku doko lotulutsa mphamvu. Ma shifter a magawo nthawi zambiri amakhala akunja kwa chogawa kuti alole kulamulira kwamagetsi kutsogolera antenna yamtundu wamunda.
Chogawa mphamvu chimatha kuyendetsedwa "kumbuyo" kotero kuti zolowetsa zingapo zitha kuphatikizidwa kukhala chotulutsa chimodzi chomwe chimachipangitsa kukhala chophatikiza mphamvu. Mu njira yophatikiza zida izi zimatha kuchita kuwonjezera kapena kuchotsa zizindikiro za vekitala kutengera kukula kwake ndi kuchuluka kwa gawo.
Chogawa MphamvuMawonekedwe
• Zogawa mphamvu zingagwiritsidwe ntchito ngati zophatikiza kapena zogawa
• Magawo amagetsi a Wilkinson ndi High isolation amapereka njira yodzipatula kwambiri, yoletsa kulankhulana pakati pa ma doko otulutsa
• Kuyika kochepa ndi kutayika kobwerera
• Wilkinson ndi zogawa mphamvu zotsutsa zimapereka mphamvu zabwino kwambiri (<0.5dB) amplitude ndi (<3°) phase balance
• Mayankho a multi-octave kuyambira DC mpaka 50 GHz
Dziwani Zambiri Zokhudza Ogawa Mphamvu
Monga momwe dzinalo likusonyezera, chogawa mphamvu cha RF/microwave chidzagawa chizindikiro cholowera m'ma siginecha awiri ofanana komanso ofanana (monga mu gawo). Chingagwiritsidwenso ntchito ngati chophatikiza mphamvu, pomwe doko lofala ndi chotulutsa ndipo ma doko awiri ofanana amagetsi amagwiritsidwa ntchito ngati zolowetsa. Mafotokozedwe ofunikira akagwiritsidwa ntchito ngati chogawa mphamvu akuphatikizapo kutayika kwa kulowetsa, kutayika kobwerera, ndi amplitude ndi balance ya gawo pakati pa mikono. Pa kuphatikiza mphamvu kwa ma siginecha osagwirizana, monga pochita mayeso olondola a intermodulation distortion (IMD) monga IP2 ndi IP3, kufotokozera kofunikira kwambiri ndi kudzipatula pakati pa ma doko olowera.
Pali mitundu itatu ikuluikulu ya zogawa mphamvu za RF ndi zophatikiza mphamvu za RF: 0º, 90 º hybrid, ndi 180 º hybrid. Zogawa za RF za zero-degree zimagawa chizindikiro cholowera m'ma siginecha awiri kapena angapo otulutsa omwe ali ofanana mu amplitude ndi gawo. Zophatikiza za RF za zero-degree zimalumikiza zizindikiro zingapo zolowera kuti zipereke chotulutsa chimodzi. Mukasankha zogawa za 0 º, kugawa mphamvu ndi mfundo yofunika kuganizira. Gawoli ndi chiwerengero cha zotuluka za chipangizocho, kapena kuchuluka kwa njira zomwe chizindikiro cholowera chimagawidwira pazotulutsa. Zosankha zikuphatikizapo zida 2, 3, 4, 5, 6, 7, 8, 9, 12, 16, 32, 48, ndi 64-way.
Zogawa mphamvu za RF / zogawandi zida zosinthira ma RF / ma microwave zomwe zimagwiritsidwa ntchito pogawa ma microwave (kapena kugawa) ma signal. Sichuan Keenlion Microwave Technology CO., Ltd zogawa mphamvu zimaphatikizapo mitundu iwiri, itatu, ina, isanu, ina, ina mpaka 48 komanso mitundu ina mpaka 50 ya ma Ohm ndi 75 Ohm, yokhala ndi DC-pass ndi DC-blocking, mu coaxial, surface mount, ndi MMIC die formats. Zogawa zathu za coaxial zimapezeka ndi zolumikizira za SMA, N-Type, F-Type, BNC, 2.92mm ndi 2.4mm. Sankhani kuchokera ku mitundu yoposa 100 yomwe ilipo yokhala ndi ma frequency ranges mpaka 50
GHz, mphamvu yogwira ntchito mpaka 200W, kutayika kochepa kwa ma insertion, kudzipatula kwakukulu, komanso kusalinganika bwino kwa ma amplitude ndi kusalinganika kwa gawo.
Tikhozanso kusintha Fyuluta ya Band Pass malinga ndi zomwe mukufuna. Mutha kulowa patsamba losinthira kuti mupereke zofunikira zomwe mukufuna.
Nthawi yotumizira: Sep-15-2022
