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Imvange za IQ RF Microwave Millimeter Wave Radio ifite Frequency yo hejuru
Microwave Mixers ni ubwoko bwihariye bw'imvange bufite inzira ebyiri zuzuzanya z'ibimenyetso byitwa "In-phase" (I) na "Quadrature" (Q). Imiterere yayo ni iyi ikurikira:
1. Gutanga amakuru yerekeye icyiciro n'ubwinshi bw'amajwi: Kubera ko harimo imiyoboro ya I na Q, icyuma gihuza amajwi ya radiyo IQ gishobora gutanga amakuru yerekeye icyiciro n'ubwinshi bw'amajwi y'ikimenyetso. Ibi ni ingenzi kuri sisitemu nyinshi z'itumanaho ridafite umugozi hamwe n'uburyo bwo guhindura no gukuramo amakuru.
2. Kumenya gutunganya ibimenyetso bya orthogonal: Imiyoboro ya I na Q y'imvange za RF irashobora gutunganya ibimenyetso bya orthogonal, ni ukuvuga ibimenyetso bifite itandukaniro rya phase rya dogere 90. Ibi bituma radio frequency mixer igira akamaro kanini mu buryo bwinshi bwo guhindura no guhindura, nko gukoresha orthogonal frequency division multiple access (OFDM) na quadrature amplitude modulation (QAM).
3. Kugabanya uburyo bwo kumva ibintu bihindagurika: Imashini ivanga ubushishozi (IQ mixer) ishobora gutandukanya uburyo bwo kumva ibintu bihindagurika bitewe n’uko hari inzira ebyiri zuzuzanya. Ibi bituma irushaho kubasha guhangana n’uburyo bwo kumva ibintu bihindagurika.
4. Ingano ikomeye y'ihindagurika: Kubera ikoreshwa ry'imiyoboro ibiri, imashini zivanga IQ ubusanzwe zifite ingano ikomeye y'ihindagurika ishobora guhaza porogaramu zisaba cyane zo gutunganya ibimenyetso.
Muri rusange, IQ mixer ikoreshwa muri ibi bikurikira:
1. Sisitemu z'itumanaho zitagira insinga: Imashini ivanga imirasire ya milimetero ikoreshwa cyane muri sisitemu z'itumanaho zitagira insinga, harimo sisitemu z'itumanaho zigendanwa, sisitemu z'itumanaho rya satelite n'imiyoboro y'itumanaho itagira insinga mu gace k'iwabo. Ikoreshwa mu gukuraho ikimenyetso cyakiriwe, guhindura ikimenyetso cyoherejwe, no guhindura, guhindura no guhindura inshuro ikimenyetso gikoreshwa.
2. Modem: IQ mixers ni ibice by'ingenzi biboneka muri modem zikoreshwa mu kuvanga ibimenyetso bya baseband mu cyiciro cya RF kugira ngo byoherezwe, cyangwa kuvanga ibimenyetso bya RF byakiriwe mu baseband kugira ngo bigenzurwe.
3. Kohereza amakuru ku muvuduko mwinshi: Kubera ko ibyuma bivanga ikoranabuhanga (IQ mixers) bishobora gufata ibimenyetso bya orthogonal, bifite akamaro mu kohereza amakuru ku muvuduko mwinshi. Urugero, muri sisitemu z'itumanaho ryihuse n'itumanaho ryihuse rya digitale, modulation ya QAM na demodulation hakoreshejwe ibyuma bivanga ikoranabuhanga (IQ mixers) bishobora gutuma amakuru atangwa ku muvuduko mwinshi kandi afite ubushobozi bwo hejuru.
4. Isesengura ry’ihungabana ry’umukoresha: Imashini zivanga ubushishozi zishobora gukoreshwa mu isesengura ry’ihungabana ry’umukoresha, zishobora gufasha kumenya inkomoko y’ihungabana no gukuraho ihungabana binyuze mu gupima no gusesengura amakuru y’icyiciro n’ubwinshi bw’ikimenyetso.
QualwaveInc. itanga ibikoresho byo mu bwoko bwa IQ-mixer bikora kuva kuri 1.75 kugeza kuri 26GHz.
Nimero y'Igice | Inshuro za RF(GHz, Uburebure bw'ibanga)  | Inshuro za RF(GHz, Max.) | Inshuro za LO(GHz, Uburebure bw'ibanga) | Inshuro za LO(GHz, Max.) | Ingufu zo kwinjira za LO(dBm) | IF Inshuro(GHz, Uburebure bw'ibanga) | IF Inshuro(GHz, Max.) | Igihombo cyo guhindura(dB ntarengwa.) | Isolation ya LO na RF(dB) | Isolation ya LO na IF(dB) | Kwitandukanya na RF na IF(dB) | Umuhuza | Igihe cyo Kwishyura (Ibyumweru) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| QIM-1750-5000 | 1.75 | 5 | 1.75 | 5 | 17 | DC | 2 | 10 | 38 | 40 | 30 | Umugore wo mu bwoko bwa SMA | 2 ~ 4 |
| QIM-6000-10000 | 6 | 10 | 6 | 10 | 15 | DC | 3.5 | 9 | 40 | 25 | 35 | Umugore wo mu bwoko bwa SMA | 2 ~ 4 |
| QIM-6000-26000 | 6 | 26 | 6 | 26 | 18 | DC | 6 | 12 | 35 | 30 | 30 | Umugore wo mu bwoko bwa SMA | 2 ~ 4 |
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