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Lub microwave ib txoj kab txuas no feem ntau yog siv rau bandpass filteloop thiab luv luv-circuit impedance matching rau cov kab xa xov. Lub coupler no tuaj yeem hloov lub zog zaus siab los ntawm ib txoj kab xa xov mus rau lwm txoj kab, yog li ua tiav kev sib txuas beam.
Lub hauv paus ntsiab lus ua haujlwm ntawm waveguide loop coupler feem ntau nyob ntawm ob yam: cov yam ntxwv kis tau ntawm lub voj coupler thiab cov kab microstrip. Directional coupler hais txog lub zog faib nrog kev taw qhia.
Lub coupling annular no muaj ob lub voj ib nrab uas nyob ib sab, nrog ib lub voj ib nrab ua lub qhov rooj nkag thiab lwm lub voj ib nrab ua lub qhov rooj tso zis. Thaum lub teeb liab siab mus txog lub coupling annular raws lub qhov rooj nkag, nws yuav raug xa mus rau lub voj ib nrab uas nyob ib sab. Ntawm lub sijhawm no, vim muaj lub zog sib nqus, lub teeb liab kuj yuav raug xa mus rau lub voj ib nrab, yog li ua tiav kev sib txuas zog. Thaum kawg, nws muaj peev xwm txuas lub teeb liab nkag los ntawm lub qhov rooj nkag mus rau lub qhov rooj tso zis thaum txuas lub coupling kom zoo.
Cov ntsuas kev ua tau zoo tseem ceeb rau kev ntsuas qhov sib txuas ntawm cov couplers suav nrog qhov ntau zaus ua haujlwm, qib kev sib txuas (lossis kev hloov pauv attenuation), kev coj ua, thiab qhov sib piv ntawm cov nthwv dej nkag / tawm.
1. Qhov degree coupling yog hais txog qhov decibel ratio ntawm lub zog nkag ntawm lub waveguide tseem ceeb rau lub zog tso zis ntawm qhov chaw nres nkoj coupling nyob rau hauv qhov xwm txheej ntawm kev sib phim ntawm txhua qhov chaw nres nkoj.
2. Qhov kev taw qhia yog hais txog qhov decibel piv ntawm lub zog tso zis ntawm qhov chaw txuas rau lub zog tso zis ntawm qhov chaw cais tawm nyob rau hauv qhov xwm txheej ntawm kev sib phim ntawm txhua qhov chaw nres nkoj. Cov khoom sib txuas lus tau siv dav rau kev kuaj lub teeb liab hauv kev faib hluav taws xob thiab kev ntsuas microwave.
Qualwavemuab cov khoom siv broadband thiab lub zog siab ib qho kev sib txuas voj voog hauv ntau yam ntawm 2.6 txog 18GHz. Cov couplers siv dav hauv ntau daim ntawv thov.

| Ib Txoj Kev Sib Txuas Lus | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Tus lej khoom | Zaus (GHz) | Fais fab (MW) | Kev sib txuas (dB) | IL (dB, Max.) | Kev Ncaj Ncees (dB, Min.) | VSWR (Max.) | Qhov Loj ntawm Waveguide | Flange | Chaw nres nkoj txuas | Lub Sijhawm Ua Ntej (Lim Piam) |
| QSDLC-9000-9500 | 9~9.5 | 0.33 | 30 ± 0.25 | - | 20 | 1.3 | WR-90 (BJ100) | FBP100 | SMA | 2~4 |
| QSDLC-8200-12500 | 8.2~12.5 | 0.33 | 10/20/30 ± 0.25 | 0.25 | 25 | 1.1 | WR-90 (BJ100) | FBP100 | N | 2~4 |
| QSDLC-2600-3950 | 2.6~3.95 | 3.5 | 30 ± 0.25 | 0.15 | 25 | 1.1 | WR-284 (BJ32) | FDP32 | N | 2~4 |
| Ob Chav Ridged Ib Leeg Kev Taw Qhia Loop Couplers | ||||||||||
| Tus lej khoom | Zaus (GHz) | Fais fab (MW) | Kev sib txuas (dB) | IL (dB, Max.) | Kev Ncaj Ncees (dB, Min.) | VSWR (Max.) | Qhov Loj ntawm Waveguide | Flange | Chaw nres nkoj txuas | Lub Sijhawm Ua Ntej (Lim Piam) |
| QSDLC-5000-18000 | 5~18 | 2000W | 40 ± 1.5 | - | 12 | 1.35 | WRD-500 | FPWRD500 | SMA | 2~4 |
| QSDLC-6500-18000 | 6.5~18 | 2000W | 40 ± 2 | - | 15 | 1.5 | WRD-650 | FPWRD650 | SMA | 2~4 |
| QSDLC-7500-18000 | 7.5~18 | 1550W | 50 ± 0.6 | 0.15 | 12 | 1.8 | WRD-750 | FPWRD750 | SMA | 2~4 |