Izici:
- Ukulahlekelwa Kokuguqulwa Okuphansi
- Ukuzihlukanisa Okuphezulu
Umsebenzi oyinhloko we-RF mixer ukuhlanganisa ngokungekho umugqa amasignali amabili noma ngaphezulu amafrikhwensi ahlukene, ngaleyo ndlela kukhiqizwe izingxenye zesiginali ezintsha futhi kuzuzwe izici ezinjengokuguqula imvamisa, ukuhlanganiswa kwamafrikhwensi, nokukhetha imvamisa. Ngokukhethekile, i-mixer ye-microwave ingaguqula imvamisa yesiginali yokufaka ibe ibanga lemvamisa oyifunayo ngenkathi igcina izici zesiginali yoqobo.
Umgomo wezobuchwepheshe wama-millimeter wave mixers ikakhulukazi uncike ezicini ezingaqondile zama-diode, futhi imvamisa edingekayo emaphakathi ikhethwa ngamasekhethi afanayo namasekhethi okuhlunga ukuze kuzuzwe ukuguqulwa kwemvamisa kwamasiginali. Lobu buchwepheshe abugcini nje ngokwenza lula ukwakheka kwesekethe futhi bunciphise umsindo, kodwa futhi kunciphisa kakhulu ukulahlekelwa kokuguqulwa kwemvamisa, ukuthuthukisa ukusebenza kwesistimu nokusebenza kahle. Ngenxa yokuthi izixube zefrikhwensi yomsakazo zingasetshenziswa kuma-millimeter wave kanye namabhendi efrikhwensi ye-terahertz, lokhu kungadambisa kakhulu inkinga yokuxubana kwesistimu futhi kuthuthukise ukusebenza kwabamukeli abanezakhiwo zokuguqula imvamisa eqondile.
1. Ekuxhumaneni okungenantambo, izixube zefrikhwensi yerediyo zivame ukusetshenziswa kuma-frequency synthesizers, ama-frequency converter, kanye nezingxenye ze-RF front-end ukuze zisekele ukusebenza okuvamile kwamasistimu okuxhumana okungenazintambo ngokuguqulwa kwefrikhwensi nokucubungula amasignali.
2. Abaxube bemvamisa ephezulu banezinhlelo zokusebenza ezibalulekile ezinhlelweni ze-radar zokwamukela nokucubungula amasignali e-radar, ukuqinisekisa ukunemba nokuthembeka kwesistimu ye-radar.
3. Izixube ze-Harmonic zisetshenziswa kakhulu emikhakheni eminingi njengokuhlaziywa kwe-spectrum, izinhlelo zokuxhumana, ukuhlolwa nokulinganisa, nokukhiqizwa kwesignali. Bathuthukisa ukusebenza kwesistimu nokuthembeka ngokuhlinzeka ngokuguqulwa kwemvamisa nokucubungula isignali, ukuqinisekisa ikhwalithi yokudluliselwa kwesignali nokuzinza kwesikhathi eside kwemishini.
Inkampani Qualwaves Inc.Inikeza ama-harmonic mixers asebenza kusuka ku-18 kuye ku-30GHz. Izixube zethu ze-harmonic zisetshenziswa kabanzi ezinhlelweni eziningi.
Inombolo Yengxenye | Imvamisa ye-RF(GHz, Min.) | Imvamisa ye-RF(GHz, Max.) | LO Frequency(GHz, Min.) | LO Frequency(GHz, Max.) | Amandla Wokufaka we-LO(dBm) | IF Imvamisa(GHz, Min.) | IF Imvamisa(GHz, Max.) | Ukulahlekelwa Kokuguqulwa(dB) | I-LO & RF Isolation(dB) | LO & IF Ukuzihlukanisa(dB) | I-RF & IF Ukuhlukaniswa(dB) | Isixhumi | Isikhathi Sokuhola (Amaviki) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
QHM-18000-30000 | 18 | 30 | 10 | 15 | 6~8 | DC | 6 | 10~13 | 35 | 30 | 15 | I-SMA, 2.92mm | 2~4 |