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Ukuphela kwe-75 Ohms RF Microwave Load
Ukupheliswa kwe-75 ohm
Umthwalo we-75 ohm luphawu oluqhelekileyo lokuphelisa ukuxhathisa olusetyenziswa kakhulu kuvavanyo nakwizixhobo zokulinganisa ezifana neejenereyitha zesignali, ii-amplifiers zamandla, iinkqubo ze-RF, oomabonakude, njl.njl. kwiisekethe.
Ukupheliswa kwe-microwave kuneempawu ezilandelayo:
Ukupheliswa kwe-1.A 75 ohm kunciphisa ukubonakaliswa kunye nokulahleka kwesignali, kuphucula ukuhanjiswa kwesignali, kwaye ngaloo ndlela kuphucula uzinzo kunye nokuthembeka kwenkqubo.
2. I-RF Termination yi-standard Termination impedance esetyenziswa kakhulu kushishino lwezonxibelelwano, ehlangabezana nemigangatho ye-Federal Telecommunications Laboratory (NIST) kwaye kulula ukuyisebenzisa kumsebenzi osebenzayo.
3. Ngexesha lenkqubo yokulinganisa nokuvavanya, ukupheliswa kwe-75 ohm kunokukhusela izixhobo zomthombo kumonakalo we-overvoltage okanye umbane ogqithisileyo, kuqinisekisa ukhuseleko lwezixhobo zokuvavanya kunye nezixhobo ezivavanyiweyo.
4. Ukupheliswa kwe-75 ohm kunokuxhasa amandla aphezulu kwaye kungasetyenziswa kwiinkqubo ze-RF ezifuna amandla aphezulu.
5.Ukupheliswa kwe-75 ohm kunokubonelela nge-impedance yokupheliswa ngokuchanekileyo yokulinganisa ngokuchanekileyo iiparameter zeempawu zesekethe, okwenza iziphumo zovavanyo zichaneke ngakumbi kwaye zithembeke.
Inemisebenzi elandelayo:
1.Ukupheliswa kwe-75 ohm kungasetyenziselwa ukuvavanya amandla okukhupha, iimpawu zempendulo yefrikhwensi, kunye nokuqinisekisa ukusebenza kwesekethe iyonke.
2.Ukupheliswa kwe-75 ohm kungasetyenziselwa ukufanisa ukuthintela amaza, ukunciphisa ukubonakaliswa kunye nokulahleka kwesignali, ukuphucula ukuhanjiswa kwesignali, kunye nokuphucula uzinzo kunye nokuthembeka kwenkqubo.
Ukupheliswa kwe-3.A 75 ohm kunokusebenza njengezibuko lokukhupha isignali kwiijenereyitha zesignali kunye nee-amplifier zamandla, okuvumela ukuba izignali ziphume kwezinye iindawo zenkqubo ngeenjongo zokuvavanya nokulinganisa.
4.Ukupheliswa kwe-75 ohm kunokukhusela ezinye iindawo zesekethe ekugqithiseni kwamandla ombane nasekugqityweni okugqithisileyo, kunciphisa umngcipheko wokonakala kwezixhobo kunye nokungasebenzi kakuhle.
I-QualwaveIbonelela ngeendlela ezahlukeneyo zokuchaneka okuphezulu kunye namandla aphezulu e-coaxial 75 Ohms Ukuphela kwe-frequency kugubungela uluhlu lwe-DC ~ 3GHz. Ukuphela kwe-frequency kuhlobo olwahlukileyo ukuhlangabezana neemfuno zabathengi.
Inombolo yendawo | Izihlandlo(GHz, Ubuncinci.)  | Izihlandlo(GHz, Ubuninzi.) | Amandla(W) | I-VSWR(Ubuninzi.) | Iziqhagamsheli | Ixesha lokukhokhelaIiveki) |
|---|---|---|---|---|---|---|
| Q7T0301 | DC | 3 | 1 | 1.2 | F, BNC | 0~4 |
| Q7T0302 | DC | 3 | 2 | 1.2 | F, BNC, N | 0~4 |
| Q7T0305 | DC | 3 | 5 | 1.2 | F, BNC，N | 0~4 |