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I-Voltage Controlled Attenuators Voltage Control Variable Analog Control
Ama-attenuators alawulwa yi-voltage angamadivayisi esekethe ahlanganisiwe akwazi ukulawula izinga lokuncishiswa kwamasiginali aphumayo ngamasiginali wokufakwayo wangaphandle. Izici zayo eziyinhloko kanye nezicelo zimi kanje:
Izici:
1. Ukuguquguquka: Izibambisi zokulawula ugesi zilungisa izinga lokuncishiswa kwesignali yokuphuma kwayo ngamasignali wamandla kagesi okufakwayo wangaphandle, okuvumela ukulungiswa okunembayo nokulawula.
2. Umugqa womugqa ophezulu: Kunobudlelwano obuphezulu bomugqa phakathi kwe-voltage yokufaka nokuncishiswa kokuphumayo, okwenza izibambisi eziguquguqukayo zikagesi zinembe kakhulu futhi zizinzile ezinhlelweni zokusebenza.
3. Umkhawulokudonsa obanzi: Izibambisi ezilawulwayo ze-analogi zinempendulo yomugqa omuhle ebangeni lemvamisa, ngakho-ke zingasetshenziswa ezinhlobonhlobo zamasiginali.
4. Umsindo ophansi: Ngenxa yokusetshenziswa kwezingxenye zomsindo ophansi ekwakhiweni kwesekethe yangaphakathi ye-analog control attenuators, izibambisi ezilawulwa yi-Voltage zikhombisa izinkomba zomsindo ophansi kakhulu phakathi nokusebenza.
5. Ukuhlanganiswa: Izibambisi ezilawulwa yi-voltage zingahlanganiswa kwezinye izifunda, okuholela kumthamo omncane nokuhlanganiswa okuphezulu kwalo lonke uhlelo.
Isicelo:
1. Uhlelo lokuxhumana: Izibambisi ezilawulwa yi-voltage zingasetshenziswa ukulungisa amandla esignali ohlelweni lokuxhumana, ukufeza ukulawulwa kwesignali nokulawula ngesikhathi sokudlulisa idatha nokwamukela.
2. Ukulawulwa komsindo: Izibambisi ezilawulwa yi-voltage zingasebenza njengeyunithi yokulawula umsindo ohlelweni lomsindo ukuze ulawule ukuncishiswa kwamasignali omsindo.
3. Ukukalwa kwensimbi: Izibambisi ezilawulwa yi-voltage zingasetshenziswa njengengxenye yokulawula ekulinganisweni kwensimbi ukuze kulawulwe ngokunembile futhi kulungiswe amasignali, kuzuzwe ukunemba kwensimbi nokuzinza.
4. Ukucutshungulwa komsindo: Ama-attenuators alawulwa yi-Voltage angasetshenziswa ekucubunguleni umsindo, njengama-synthesizer, ama-distortors, ama-compressor, njll.
Qualwaveihlinzeka ngebhendi ebanzi kanye nama-attenuators aphezulu aguquguqukayo alawulwa ngamaza kumafrikhwensi afika ku-90GHz. Ama-attenuators ethu alawulwa yi-voltage asetshenziswa kabanzi ezindaweni eziningi.
Inombolo Yengxenye | Imvamisa(GHz, Min.)  | Imvamisa(GHz, Max.) | Attenuation Range(dB) | Ukulahlekelwa Kokufaka(dB, ubuningi.) | I-VSWR | Ukucaba(dB, ubuningi.) | Amandla kagesi(V) | Isikhathi esiholayo(amaviki) |
|---|---|---|---|---|---|---|---|---|
| QVA-500-1000-64-S | 0.5 | 1 | 0-64 | 1.5 | 2.0 | ±2.5 | 0~+10 | 3~6 |
| QVA-500-18000-20-S | 0.5 | 18 | 0~20 | 3 | 2.2 | ±1.5 | 0~5 | 3~6 |
| I-QVA-1000-2000-64-S | 1 | 2 | 0-64 | 1.3 | 1.5 | ±2 | 0~+10 | 3~6 |
| QVA-2000-4000-64-S | 2 | 4 | 0-64 | 1.5 | 1.5 | ±2 | 0~+10 | 3~6 |
| QVA-4000-8000-60-S | 4 | 8 | 60 (imizuzu) | 1.5 | 1.6 | - | 0~15 | 3~6 |
| QVA-4000-8000-64-S | 4 | 8 | 0-64 | 2 | 1.8 | ±2 | 0~+10 | 3~6 |
| QVA-5000-30000-33-K | 5 | 30 | 0-33 | 2.5 | 2.0 | - | -5~0 | 3~6 |
| QVA-8000-12000-64-S | 8 | 12 | 0-64 | 2.5 | 1.8 | ±2 | 0~+10 | 3~6 |
| I-QVA-12000-18000-64-S | 12 | 18 | 0-64 | 3 | 2.0 | ±2.5 | 0~+10 | 3~6 |
| QVA-18000-40000-30-K | 18 | 40 | 0~30 | 6 | 2.5 | ±1.5 | 0~+10 | 3~6 |
| QVA-60000-90000-27 | 60 | 90 | 27 (uhlobo.) | 3 (uhlobo.) | 1.5 | - | -5~0 | 3~6 |
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