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Esi sixhumi se-microwave esijikelezileyo se-single directional loop sisetyenziselwa ikakhulu i-bandpass filteloop kunye ne-short-circuit impedance matching kwimigca yothumelo. Esi sixhumi sinokudlulisela amandla ajikelezayo aphezulu ukusuka komnye umgca wothumelo ukuya komnye, ngaloo ndlela sifezekisa uqhagamshelo lwemitha.
Umgaqo osebenzayo we-waveguide loop coupler uxhomekeke kakhulu kwiinkalo ezimbini: iimpawu zokudlulisela ze-loop coupler kunye nomgca we-microstrip. I-directional coupler ibhekisa kwi-power divider ene-directionality.
Olu qhagamshelo lwe-annular luqulathe ii-half loops ezimbini ezikufutshane, apho i-half loop enye isebenza njenge-input port kwaye enye i-half loop isebenza njenge-output port. Xa isignali ye-high-frequency ifikelela kwi-annular coupling ecaleni kwe-input port, iya kudluliselwa kwi-half loop ekufutshane. Kule ndawo, ngenxa yokubakho kwe-magnetic field, isignali iya kudluliselwa kwenye i-half loop, ngaloo ndlela ifezekisa uqhagamshelo lwamandla. Ekugqibeleni, kunokwenzeka ukudibanisa isignali yokungenisa ukusuka kwi-input port ukuya kwi-output port ngelixa u-ensuloop enezinga eliphezulu lokusebenza kakuhle kwe-coupling.
Izalathisi eziphambili zokusebenza kwee-measuloop directional couplers ziquka uluhlu lwefrikhwensi yokusebenza, i-coupling degree (okanye i-transition attenuation), i-directionality, kunye ne-input/output standing wave ratio.
1. Idigri yokudibanisa ibhekisa kumlinganiselo we-decibel wamandla okufaka we-waveguide ephambili kumandla okukhupha e-coupling port phantsi kwemeko yomthwalo ohambelanayo kwi-port nganye.
2. Ulwalathiso lubhekisa kumlinganiselo we-decibel wamandla okukhupha we-coupling port kumandla okukhupha we-isolation port phantsi kwemeko yomthwalo ohambelanayo kwi-port nganye. Ii-Directional couplers zisetyenziswa kakhulu kwi-signal sampling ekusasazweni kwamandla kunye nokulinganisa i-microwave.
I-QualwaveIbonelela ngee-broadband kunye nee-single directional loop couplers ezinamandla aphezulu ukusuka kwi-2.6 ukuya kwi-18GHz. Ezi couplers zisetyenziswa kakhulu kwiindawo ezininzi zokusebenza.

| Ii-Couplers zeLoop eziNye eziLawulayo | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Inombolo yendawo | Ireyithi (GHz) | Amandla (MW) | Ukudibanisa (dB) | IL (dB, Ubuninzi.) | Isikhokelo (dB, Min.) | I-VSWR (Ubuninzi) | Ubungakanani beWaveguide | Iflengi | Izibuko Lokudibanisa | Ixesha lokuKhokhela (Iiveki) |
| I-QSDLC-9000-9500 | 9~9.5 | 0.33 | 30±0.25 | - | 20 | 1.3 | I-WR-90(BJ100) | FBP100 | I-SMA | 2~4 |
| I-QSDLC-8200-12500 | 8.2~12.5 | 0.33 | 10/20/30±0.25 | 0.25 | 25 | 1.1 | I-WR-90(BJ100) | FBP100 | N | 2~4 |
| I-QSDLC-2600-3950 | 2.6~3.95 | 3.5 | 30±0.25 | 0.15 | 25 | 1.1 | I-WR-284(BJ32) | I-FDP32 | N | 2~4 |
| IiCouplers zeLoop eziNqamlezekileyo eziMbini eziQokelelweyo | ||||||||||
| Inombolo yendawo | Ireyithi (GHz) | Amandla (MW) | Ukudibanisa (dB) | IL (dB, Ubuninzi.) | Isikhokelo (dB, Min.) | I-VSWR (Ubuninzi) | Ubungakanani beWaveguide | Iflengi | Izibuko Lokudibanisa | Ixesha lokuKhokhela (Iiveki) |
| I-QSDLC-5000-18000 | 5~18 | 2000W | 40±1.5 | - | 12 | 1.35 | I-WRD-500 | I-FPWRD500 | I-SMA | 2~4 |
| I-QSDLC-6500-18000 | 6.5~18 | 2000W | 40±2 | - | 15 | 1.5 | I-WRD-650 | FPWRD650 | I-SMA | 2~4 |
| I-QSDLC-7500-18000 | 7.5~18 | 1550W | 50±0.6 | 0.15 | 12 | 1.8 | I-WRD-750 | FPWRD750 | I-SMA | 2~4 |