Iindaba - umguquli

Njengenye yeendlela zokutya ii-antenna ze-waveguide, uyilo lwe-microstrip ukuya kwi-waveguide ludlala indima ebalulekileyo ekudlulisweni kwamandla. Imodeli yendabuko ye-microstrip ukuya kwi-waveguide yile ilandelayo. I-probe ephethe i-dielectric substrate kwaye yondliwa ngumgca we-microstrip ifakwa kwisithuba eludongeni olubanzi lwe-waveguide engxande. Umgama phakathi kwe-probe kunye nodonga lwe-short-circuit ekupheleni kwe-waveguide uphindwe kane kunobude bomda wokusebenza. Phantsi kwesiseko sokukhetha i-dielectric substrate, i-reactance ye-probe ixhomekeke kubukhulu bomgca we-microstrip, kwaye i-reactance ye-short-circuit waveguide ixhomekeke kwindawo yodonga lwe-short-circuit. Ezi parameters zilungiselelwe ngokupheleleyo ukufezekisa ukuhambelana kwe-impedance yee-resistor ezicocekileyo kunye nokunciphisa ukudluliselwa kokulahleka kwamandla.

Isakhiwo seMicrostrip ukuya kwi-waveguide kwiimbono ezahlukeneyo

Iimveliso zochungechunge lwe-RFMISO Microstrip Antenna:

RM-MA25527-22

RM-MA425435-22

Ityala
Ngokweengcinga zoyilo ezibonelelweyo kwiincwadi, yila i-waveguide ukuya kwi-microstrip converter ene-bandwidth yokusebenza ye-40 ~ 80GHz. Iimodeli ezivela kwiimbono ezahlukeneyo zezi zilandelayo. Njengomzekelo oqhelekileyo, kusetyenziswa i-waveguide engeyiyo esemgangathweni. Ubukhulu kunye ne-dielectric constant yezinto ze-dielectric zisekelwe kwiimpawu ze-impedance ze-microstrip probe zilungisiwe.
Izinto ezisisiseko: i-dielectric constant 3.0, ubukhulu yi-0.127mm
Ubungakanani be-Waveguide a*b: 3.92mm*1.96mm
Ubungakanani besithuba eludongeni olubanzi yi-1.08*0.268, kwaye umgama ukusuka eludongeni olufutshane yi-0.98. Jonga umfanekiso we-S parameters kunye neempawu ze-impedance.

Imbono engaphambili

Isipili sangaphakathi

Iiparameter ze-S: 40G-80G

Ukulahleka kokufakwa kuluhlu lwe-passband kungaphantsi kwe-1.5dB.

Iimpawu ze-Port impedance

I-Zref1: I-input impedance yomgca we-microstrip yi-50 ohms, i-Zref1: I-wave impedance kwi-waveguide imalunga ne-377.5 ohms;

Iiparameters ezinokwenziwa ngcono: ubunzulu bokufakwa kweprobe D, ubungakanani be-W*L kunye nobude bomsantsa osuka eludongeni lwe-short-circuit. Ngokwe-centre frequency point 45G, i-dielectric constant yi-3.0, ubude obulinganayo be-wavelength yi-3.949mm, kwaye ubude obulinganayo be-one-quarter-wavelength bumalunga ne-0.96mm. Xa ikufutshane nokuhambelana okumsulwa kokumelana, i-waveguide isebenza kwi-TE10 main mode, njengoko kubonisiwe kulwabiwo lwentsimi yombane kumfanekiso ongezantsi.