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Isku-dhafka IQ RF Microwave Millimeter Wave Radio Soo noqnoqoshada Sare
Mikrowave Mixers waa nooc gaar ah oo qase ah oo ka kooban laba waddo signal weji is dhammaystir ah oo loo yaqaan "In-phase" (I) iyo "Quadrature" (Q). Sifooyinkiisuna waa sidan soo socota:
1. Bixi xogta wejiga iyo baaxadda: Sababtoo ah ku daridda kanaalada I iyo Q, isku dhafka raadiyaha IQ wuxuu bixin karaa labadaba macluumaadka wejiga iyo baaxadda calaamadaha. Tani waxay muhiim u tahay habab badan oo isgaarsiineed oo bilaa-waayleed ah iyo habsocodyada habaynta iyo hoos u dhigista.
2. Aqoonso habaynta calaamadaha orthogonal: Kanaalka I iyo Q ee isku dhafka RF waxay awood u leeyihiin inay farsameeyaan calaamadaha orthogonal, taas oo ah, calaamadaha leh farqiga wejiga ee 90 darajo. Tani waxay ka dhigaysa isku-darka soo noqnoqda raadiyaha mid aad u faa'iido badan farsamooyin habbaynta iyo habaynta badan, sida qaybinta soo noqnoqoshada orthogonal multiple access (OFDM) iyo quadrature amplitude modulation (QAM).
3. Faragelinta dhegeysiga oo yaraatay: Isku-darka IQ wuxuu awood u leeyahay inuu kala saaro calaamadaha iyo faragelinta spectrum sababtoo ah ku daridda laba waddo oo weji ah oo is-kabaya. Tani waxay ka dhigaysaa mid awood u leh inay ka hortagto faragelinta dhegeysiga.
4. Kala duwanaansho firfircoon oo sarreeya: Sababtoo ah isticmaalka laba kanaal, isku-dariyeyaasha IQ waxay caadi ahaan leeyihiin kala duwanaansho firfircoon oo heer sare ah oo buuxin kara codsiyada habaynta calaamadaha.
Isku-darka IQ waxaa guud ahaan loo adeegsadaa dhinacyada soo socda:
1.Nidaamka isgaarsiineed ee wireless-ka: Isku-darka hirarka millimitirka waxaa si weyn loogu isticmaalaa nidaamyada isgaarsiinta wireless-ka, oo ay ku jiraan nidaamyada isgaarsiinta mobaylada, nidaamyada isgaarsiinta satellite-ka iyo shabakadaha deegaanka ee wireless-ka. Waxa loo istcmaalay in lagu dhimo calaamada la helay, lagu habeeyo calaamada la soo diray, iyo in la ogaado habaynta, habaynta iyo beddelka inta jeer ee calaamada.
2.Modem: Isku-dariyeyaasha IQ waa qaybaha muhiimka ah ee sida caadiga ah laga helo modem-ka loo isticmaalo in lagu qaso calaamadaha RF-ga ee kala duwan si loo gudbiyo, ama lagu qaso calaamadaha RF ee la helay oo lagu dhejiyo saldhigga si loo burburiyo.
3. Xawaaraha sare ee gudbinta xogta: Sababtoo ah isku-dariyeyaasha IQ waxay xamili karaan calaamadaha orthogonal, waxay leeyihiin codsiyo muhiim ah oo ku saabsan gudbinta xogta xawaaraha sare leh. Tusaale ahaan, hababka isgaarsiinta indhaha iyo isgaarsiinta dhijitaalka ah ee xawaaraha sare leh, QAM modulation iyo demodulation iyadoo la adeegsanayo isku-darka IQ waxay awood u siin kartaa gudbinta xogta xawaaraha sare iyo awoodda sare.
Falanqaynta faragelinta 4.Carrier: Isku-dhafka IQ waxaa loo isticmaali karaa falanqaynta faragelinta side, kaas oo gacan ka geysan kara go'aaminta isha faragelinta iyo baabi'inta faragelinta iyadoo la cabbirayo lana falanqeynayo wejiga iyo macluumaadka baaxadda ee calaamadda.
QualwaveInc. sahayda IQ-mixers waxay shaqeeyaan 1.75 ilaa 26GHz.
Lambarka Qaybta | Inta jeer ee RF(GHz, Min.)  | Inta jeer ee RF(GHz, Max.) | LO soo noqnoqda(GHz, Min.) | LO soo noqnoqda(GHz, Max.) | LO galinta Awoodda(dBm) | HADDII Soo noqnoqoshada(GHz, Min.) | HADDII Soo noqnoqoshada(GHz, Max.) | Khasaare Beddelka(dB Max.) | LO & Go'doominta RF(dB) | LO & HADDII gooni-isu-taagga(dB) | RF & HADDII GO'doonka(dB) | Xiriiriyaha | Waqtiga Hogaaminta (Todobaadyada) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| QIM-1750-5000 | 1.75 | 5 | 1.75 | 5 | 17 | DC | 2 | 10 | 38 | 40 | 30 | SMA dhedig | 2 ~ 4 |
| QIM-6000-10000 | 6 | 10 | 6 | 10 | 15 | DC | 3.5 | 9 | 40 | 25 | 35 | SMA dhedig | 2 ~ 4 |
| QIM-6000-26000 | 6 | 26 | 6 | 26 | 18 | DC | 6 | 12 | 35 | 30 | 30 | SMA dhedig | 2 ~ 4 |
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