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Ny coupler rindrina mivelatra misy directional tokana amin'ny microwave dia misy waveguide lehibe sy waveguide ratsy. Ny fampifandraisana dia atao amin'ny alàlan'ny lavaka fampifandraisana eo amin'ny rindrina iraisana amin'ny waveguide lehibe sy ny waveguide mpanampy. Araka ny isan'ny sy ny endriky ny lavaka fampifandraisana, ny waveguide directional coupler dia azo zaraina ho endrika ara-drafitra isan-karazany toy ny waveguide directional misy lavaka tokana, waveguide directional porous, waveguide directional misy lavaka miampita mifanaraka amin'ny T roa ary waveguide tricat bridges.
Tambajotra misy seranana efatra ny "directional coupler" izay ahitana "input terminal", "output terminal", "coupling terminal", ary "isolation terminal". Tambajotra tsy mihetsika sy azo averina ny "directional coupler". Amin'ny teoria, ny "directional coupler" dia faritra tsy misy fatiantoka, ary tokony hifanaraka ny seranan-tsambony. Ny "directional coupler" dia azo ahitana faritra coaxial, waveguide, microstrip, ary stripline.
Ny "directional coupler" dia fitaovana RF passive ampiasaina matetika amin'ny famolavolana faritra RF, izay mampitohy ny hery RF alefa amin'ny tsipika iray mankany amin'ny tsipika iray hafa. Ny toetra fototry ny "directional coupler" dia ny fampifandraisana ireo famantarana amin'ny lalana voafaritra ihany. Ny "directional coupler" dia famantarana tena ilaina, indrindra rehefa ampiasaina amin'ny famoronana famantarana sy fandrefesana taratra.
Ny "millimeter wave single directional broadwall couplers" dia ampiasaina amin'ny fakana santionany famantarana ho an'ny fandrefesana sy fanaraha-maso, fizarana ary fananganana famantarana; Ankoatra izany, amin'ny maha-singa fototra amin'ny mpandinika tambajotra, mpandinika antenne, ary metatra herinaratra mandalo, ny "directional couplers" dia mitana anjara toerana amin'ny fakana santionany famantarana mandroso sy miverina.
QualwaveManome coupler broadwall tokana misy broadband sy hery avo lenta amin'ny elanelana midadasika manomboka amin'ny 0.84 ka hatramin'ny 220GHz. Ny coupler broadwall tokana misy broadband dia ampiasaina betsaka amin'ny fampiharana maro.

| Mpampitohy rindrina mivelatra tokana | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Laharana ampahany | Matetika (GHz) | Hery (MW) | Fifandraisana (dB) | IL (dB, Max.) | Fitarihana (dB, Min.) | VSWR (Max.) | Haben'ny onjampeo | Flange | Seranan-tsambo fampifandraisana | Fotoana fiasana (herinandro) |
| 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, 1.0mm | 2~4 |
| QSDBC-50000-72000 | 50~72 | - | 30±1 | 0.25 | 25 | 1.6 | WR-15 (BJ620) | UG385/U | 1.85mm | 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, 1.85mm | 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, 2.4mm | 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, 2.92mm | 2~4 |
| QSDBC-21700-33000 | 21.7~33 | 0.053 | 40±1 | - | 30 | 1.2 | WR-34 (BJ260) | FBM260 | 2.92mm | 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, 2.92mm | 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, Avaratra | 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, Avaratra | 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 |
| Mpampitohy rindrina mivelatra misy tendrony roa sosona | ||||||||||
| Laharana ampahany | Matetika (GHz) | Hery (MW) | Fifandraisana (dB) | IL (dB, Max.) | Fitarihana (dB, Min.) | VSWR (Max.) | Haben'ny onjampeo | Flange | Seranan-tsambo fampifandraisana | Fotoana fiasana (herinandro) |
| QSDBC-4750-11000 | 4.75~11 | 2000W fara-fahabetsany | 40±1.5 | - | 25 | 1.15 | WRD-475 | FPWRD475 | N | 2~4 |
| QSDBC-3500-8200 | 3.5~8.2 | 2000W fara-fahabetsany | 60±1.5 | - | 20 | 1.3 | WRD-350 | FPWRD350 | N | 2~4 |
| QSDBC-2600-7800 | 2.6~7.8 | 2000W ambony indrindra | 60±1.5 | - | 20 | 1.3 | WRD-250 | FPWRD250 | N | 2~4 |
| QSDBC-2000-4800 | 2~4.8 | 2000W ambony indrindra | 60±1.5 | - | 20 | 1.3 | WRD-200 | FPWRD200 | N | 2~4 |
| QSDBC-840-2000 | 0.84~2 | 2000W ambony indrindra | 60±1.5 | - | 20 | 1.3 | WRD-84 | FPWRD84 | N | 2~4 |