Iimbonakalo:
- Ilahleko yoGuqulo ephantsi
- Ukwahlula Okuphezulu
1. Ukubonelela ngesigaba kunye nolwazi lwe-amplitude: Ngenxa yokufakwa kweziteshi ze-I kunye ne-Q, i-IQ mixer inokubonelela ngesigaba kunye nolwazi lwe-amplitude yesignali. Oku kubalulekile kwiinkqubo ezininzi zonxibelelwano ezingenazintambo kunye neenkqubo zokumodareyitha kunye nokunciphisa.
2. Qonda ukusetyenzwa kwesignali ye-orthogonal: Iziteshi ze-I kunye ne-Q ze-IQ mixer ziyakwazi ukucubungula iimpawu ze-orthogonal, oko kukuthi, iimpawu ezinokwahlukana kwesigaba se-90 degrees. Oku kuyenza ibe luncedo kakhulu kwiindlela ezininzi zokumodareyitha kunye nobuchule bokuthotywa, njenge-orthogonal frequency division multiple access (OFDM) kunye ne-quadrature amplitude modulation (QAM).
3. Ukunciphisa ukuphazamiseka kokumamela: Umxube we-IQ uyakwazi ukwahlula umqondiso kunye nokuphazamiseka kwe-spectrum ngenxa yokufakwa kweendlela ezimbini zesigaba esongezelelweyo. Oku kuyenza ikwazi ukumelana nophazamiseko lokuva.
4. Uluhlu oluphezulu oluguquguqukayo: Ngenxa yokusetyenziswa kwamajelo amabini, abaxube be-IQ ngokuqhelekileyo banoluhlu oluguquguqukayo olunokuthi luhlangabezane nezicelo ezifunwayo zokucwangcisa umqondiso.
I-1.Iinkqubo zonxibelelwano ezingenazintambo: Umxube we-IQ usetyenziswa ngokubanzi kwiinkqubo zonxibelelwano ezingenazintambo, kubandakanywa neenkqubo zonxibelelwano zeselula, iinkqubo zonxibelelwano zesatellite kunye neenethiwekhi zendawo ezingenazintambo. Isetyenziselwa ukuthoba umqondiso ofunyenweyo, ukulungelelanisa umqondiso othunyelweyo, kunye nokuqonda ukuthotywa, ukuguqulwa kunye nokuguqulwa kwamaza omqondiso.
2.IModem: Abaxubi be-IQ ngamalungu aphambili afumaneka kwiimodem ezisetyenziswa ukuxuba iimpawu zebhendi kuluhlu lweRF ukuze zisasazeke, okanye ukuxuba iisignali zeRF ezifunyenweyo kwibaseband ukuze zithotywe.
I-3.I-Speed-Speed data transmission: Ngenxa yokuba abaxube be-IQ banokusingatha iimpawu ze-orthogonal, banezicelo ezibalulekileyo kwi-high-speed data transmission. Ngokomzekelo, kwiinkqubo zonxibelelwano lwe-optical kunye nonxibelelwano lwedijithali olukhawulezayo, ukumodareyitha kwe-QAM kunye nokuchithwa kwe-demodulation usebenzisa i-IQ mixers inokuvumela ukuhanjiswa kwedatha ye-speed kunye ne-high-capacity data.
Uhlalutyo lwe-4.Carrier interference analysis: Abaxube be-IQ bangasetyenziselwa uhlalutyo lwe-carrier interference, olunokukunceda ukufumanisa umthombo wokuphazamiseka kunye nokuphelisa ukuphazamiseka ngokulinganisa kunye nokuhlalutya ulwazi lwesigaba kunye ne-amplitude yesiginali.
QualwaveI-Inc. inikezela nge-IQ-mixers isebenza ukusuka kwi-1.75 ukuya kwi-26GHz.
Inombolo yendawo | RF Frequency(GHz, Min.) | RF Frequency(GHz, Max.) | LO Frequency(GHz, Min.) | LO Frequency(GHz, Max.) | Amandla oNgeniso lweLO(dBm) | IF Ukuphindaphinda(GHz, Min.) | IF Ukuphindaphinda(GHz, Max.) | Ilahleko yoGuquko(ubukhulu be-dB) | LO & RF Isolation(dB) | LO & UKUBA Ukwahlukaniswa(dB) | RF & UKUBA Ukwahlukaniswa(dB) | Isidibanisi | Ixesha lokukhokela (iiveki) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
QIM-1750-5000 | 1.75 | 5 | 1.75 | 5 | 17 | DC | 2 | 10 | 38 | 40 | 30 | SMA female | 2~4 |
QIM-6000-10000 | 6 | 10 | 6 | 10 | 15 | DC | 3.5 | 9 | 40 | 25 | 35 | SMA female | 2~4 |
QIM-6000-26000 | 6 | 26 | 6 | 26 | 18 | DC | 6 | 12 | 35 | 30 | 30 | SMA female | 2~4 |