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Lub microwave ib qho kev taw qhia broadwall coupler muaj lub ntsiab waveguide thiab lub negative waveguide. Kev sib txuas yog ua tiav los ntawm cov qhov txuas ntawm phab ntsa sib koom ntawm lub ntsiab waveguide thiab lub auxiliary waveguide. Raws li tus lej thiab cov duab ntawm cov qhov txuas, waveguide directional couplers tuaj yeem faib ua ntau hom qauv xws li ib qho qhov kev taw qhia couplers, porous directional couplers, hla qhov kev taw qhia couplers phim nrog ob chav T thiab waveguide tawg choj.
Ib lub directional coupler yog ib lub network plaub qhov chaw nres nkoj uas muaj ib lub input terminal, ib lub output terminal, ib lub coupling terminal, thiab ib lub isolation terminal. Cov directional couplers yog cov passive thiab reversible networks. Hauv kev xav, cov directional couplers yog cov circuits tsis muaj kev poob, thiab lawv cov chaw nres nkoj yuav tsum sib phim. Cov directional couplers tuaj yeem ua los ntawm coaxial, waveguide, microstrip, thiab stripline circuits.
Lub coupler directional yog ib qho khoom siv RF passive uas siv ntau hauv kev tsim hluav taws xob RF, uas txuas lub zog RF xa mus rau lwm kab. Lub yam ntxwv tseem ceeb ntawm lub coupler directional yog tias nws tsuas yog txuas cov teeb liab hauv ib qho kev taw qhia tshwj xeeb. Qhov kev taw qhia ntawm cov coupler directional yog qhov qhia tseem ceeb, tshwj xeeb tshaj yog thaum siv rau kev tsim cov teeb liab thiab kev ntsuas kev cuam tshuam.
Cov khoom siv sib txuas ntawm millimeter wave ib qho kev taw qhia dav dav yog siv rau kev kuaj cov teeb liab rau kev ntsuas thiab kev saib xyuas, kev faib cov teeb liab thiab kev sib txuas; Tsis tas li ntawd, ua cov khoom tseem ceeb ntawm cov khoom siv ntsuas network, cov khoom siv ntsuas antenna, thiab cov ntsuas hluav taws xob dhau los, cov khoom siv sib txuas ua lub luag haujlwm hauv kev kuaj cov teeb liab pem hauv ntej thiab cov teeb liab cuam tshuam.
Qualwavemuab cov broadband thiab lub zog siab ib qho kev sib txuas broadwall hauv ntau yam ntawm 0.84 txog 220GHz. Cov broadband ib qho kev sib txuas broadwall siv dav hauv ntau daim ntawv thov.

| Ib Leeg Kev Sib Txuas Lus Broadwall | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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 Tau (lub lim tiam) |
| QSDBC-170000-220000 | 170~220 | 0.0012 | 10 ± 2 | - | 22 | 1.12 | WR-5 (BJ1800) | FUGP1800 | WR-5 | 2~4 |
| QSDBC-145000-220000 | 145~220 | 0.0012 | 3±2, 6±2, 9±2 | - | 25 | 1.3 | WR-5 (BJ1800) | FUGP1800 | WR-5 | 2~4 |
| QSDBC-75000-110000 | 75~110 | 0.0046 | 10 ± 1, 10 ± 1.5, 20 ± 2 | - | 30 | 1.08 | WR-10 (BJ900) | UG387/UM | WR-10 | 2~4 |
| QSDBC-60500-91900 | 60.5~91.9 | 0.0069 | 6 | - | 30 | 1.25 | WR-12 (BJ740) | UG387/U | WR-12 | 2~4 |
| QSDBC-60000-90000 | 60 ~ 90 | 0.0069 | 3 ± 1, 30 ± 1.5 | - | 20 | 1.25 | WR-12 (BJ740) | UG387/U | WR-12 | 2~4 |
| QSDBC-50000-75000 | 50~75 | 0.01 | 10±1.5, 20±1.5, 40±1 | 0.2 | 25 | 1.3 | WR-15 (BJ620) | UG385/U | WR-15, 1.0 hli | 2~4 |
| QSDBC-50000-72000 | 50~72 | - | 30 ± 1 | 0.25 | 25 | 1.6 | WR-15 (BJ620) | UG385/U | 1.85 hli | 2~4 |
| QSDBC-49800-75800 | 49.8~75.8 | 0.01 | 50 ± 1 | 0.2 | 25 | 1.5 | WR-15 (BJ620) | UG385/U | WR-15 | 2~4 |
| QSDBC-39200-59600 | 39.2~59.6 | 0.016 | 30 ± 1, 40 ± 1, 40 ± 1.5 | - | 25 | 1.3 | WR-19 (BJ500) | UG383/UM | WR-19, 1.85 hli | 2~4 |
| QSDBC-32900-50100 | 32.9~50.1 | 0.023 | 30 ± 1, 40 ± 1, 30 ± 1.5 | 0.5 | 25 | 1.5 | WR-22 (BJ400) | UG-383/U | WR-22, 2.4 hli | 2~4 |
| QSDBC-26500-40000 | 26.5~40 | 0.036 | 10 ± 1 | - | 40 | 1.25 | WR-28 (BJ320) | FBP320 | WR-28 | 2~4 |
| QSDBC-26300-40000 | 26.3~40 | 0.002 | 20 ± 1, 40 ± 1 | - | 25 | 1.3 | WR-28 (BJ320) | FBP320 | WR-28, 2.92 hli | 2~4 |
| QSDBC-21700-33000 | 21.7~33 | 0.053 | 40 ± 1 | - | 30 | 1.2 | WR-34 (BJ260) | FBM260 | 2.92 hli | 2~4 |
| QSDBC-17600-26700 | 17.6~26.7 | 0.066 | 10 ± 1, 20 ± 0.75, 40 ± 1 | - | 30 | 1.25 | WR-42 (BJ220) | FBP220 | WR-42, 2.92 hli | 2~4 |
| QSDBC-11900-18000 | 11.9~18 | 0.18 | 10±0.7, 40±0.7, 40±1.5, 50±1.5 | - | 25 | 1.25 | WR-62 (BJ140) | FBP140 | WR-62, SMA | 2~4 |
| QSDBC-9840-15000 | 9.84~15 | 0.26 | 20 ± 1, 30 ± 1, 40 ± 1 | - | 30 | 1.25 | WR-75 (BJ120) | FBP120 | N, SMA | 2~4 |
| QSDBC-8200-12500 | 8.2~12.5 | 0.33 | 20 ± 1, 30, 40 | - | 30 | 1.3 | WR-90 (BJ100) | FBP100 | WR-90, N | 2~4 |
| QSDBC-6570-9990 | 6.57~9.99 | 0.52 | 40 ± 1 | - | 30 | 1.25 | WR-112 (BJ84) | FBP84 | N, SMA | 2~4 |
| QSDBC-5380-8170 | 5.38~8.17 | 0.79 | 30 ± 1, 40 ± 1, 3 | - | 20 | 1.3 | WR-137 (BJ70) | FDP70 | WR-137, N | 2~4 |
| QSDBC-3220-4900 | 3.22~4.9 | 2.44 | 20 ± 1 | - | 25 | 1.25 | WR-229 (BJ40) | FDP40 | N | 2~4 |
| QSDBC-2950-3050 | 2.95~3.05 | 0.0024 | 40 ± 1 | 0.05 | 27 | 1.25 | WR-284 (BJ32) | FDP32 | N | 2~4 |
| QSDBC-2600-3950 | 2.6~3.95 | 3.5 | 20 ± 1 | - | 27 | 1.25 | WR-284 (BJ32) | FDP32 | N | 2~4 |
| QSDBC-2450-2650 | 2.45~2.65 | 0.0024 | 40 ± 1 | 0.05 | 27 | 1.25 | WR-340 (BJ26) | FDP26 | N | 2~4 |
| QSDBC-1750-1850 | 1.75~1.85 | 0.0024 | 40 ± 1 | 0.05 | 27 | 1.25 | WR-430 (BJ22) | FDP22 | N | 2~4 |
| QSDBC-1130-1730 | 1.13~1.73 | 19.6 | 10 ± 1.5 | - | 20 | 1.35 | WR-650 (BJ14) | FDP14 | N | 2~4 |
| Ob Chav Ridged Ib Leeg Kev Taw Qhia Broadwall 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 Tau (lub lim tiam) |
| QSDBC-4750-11000 | 4.75~11 | 2000W siab tshaj plaws | 40 ± 1.5 | - | 25 | 1.15 | WRD-475 | FPWRD475 | N | 2~4 |
| QSDBC-3500-8200 | 3.5~8.2 | 2000W siab tshaj plaws | 60 ± 1.5 | - | 20 | 1.3 | WRD-350 | FPWRD350 | N | 2~4 |
| QSDBC-2600-7800 | 2.6~7.8 | 2000W siab tshaj plaws. | 60 ± 1.5 | - | 20 | 1.3 | WRD-250 | FPWRD250 | N | 2~4 |
| QSDBC-2000-4800 | 2~4.8 | 2000W siab tshaj plaws. | 60 ± 1.5 | - | 20 | 1.3 | WRD-200 | FPWRD200 | N | 2~4 |
| QSDBC-840-2000 | 0.84~2 | 2000W siab tshaj plaws. | 60 ± 1.5 | - | 20 | 1.3 | WRD-84 | FPWRD84 | N | 2~4 |