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Ii-Attenuators ezingama-75 ohms eziQinisekisiweyo ezingama-75 ohms eziQinisekisiweyo
I-attenuator ye-75 ohms luhlobo lwe-attenuator ebizwa ngokuba yi-impedance yayo ye-75 ohms.
Yinto engasebenziyo esetyenziselwa ukulawula amandla esignali yesekethe, i-75Ω attenuator ithintela ukwandiswa okugqithisileyo kunye nokugqwetheka kwesignali, kwaye ithintela ukungaphumeleli okubangelwa kukugqithisa kwesignali.
Iimpawu eziphambili ze-75Ω fixed attenuators ziquka:
1. Ukuhambelana kwe-Impedance: I-75 Ohms fixed attenuator impedance ihambelana ne-impedance eqhelekileyo yomgca wokudlulisela isignali yezixhobo zevidiyo, usasazo lukamabonwakude kunye nenkqubo kamabonakude wekhebula, ngaloo ndlela kunciphisa ukubonakaliswa kunye nokulahleka kwesignali yokudlulisela.
2. Ukuphazamiseka okuphantsi: I-attenuator inokunciphisa amandla esignali ngaphandle kokufaka ukuphazamiseka okongezelelweyo okanye ukuphazamiseka kwesignali.
3. Ukuthembeka okuphezulu: Ngenxa yokuba ii-attenuators ikakhulu zizinto ezingasebenziyo kwaye azinazo iindawo ezihambayo, zithembekile kakhulu kwaye azidingi ukulungiswa okanye ukutshintshwa.
Ii-attenuators ze-75 ohms zisetyenziswa kakhulu kwezi zicelo zilandelayo:
1. Kwiinethiwekhi zethelevishini zekhebula kunye neenethiwekhi zethelevishini zedijithali, isetyenziselwa ukulawula amandla esignali kunye nokunciphisa ukubonakaliswa kunye nokulahleka kwesignali.
2. Ngexesha lokuvelisa nokusasaza iividiyo ezinesisombululo esiphezulu nezinentsingiselo ephezulu, lawula amandla esignali kwaye ugcine umgangatho wokuguqulwa.
3. Kwiinkqubo zokusasaza nokusasaza isignali kamabonakude, izixhobo ezilungisa amandla esignali ukuze zihambelane nokusetyenzwa kwesignali ethile esasazwe kwaye zandise uluhlu lwesignali.
4. Kwii-antenna zikamabonwakude, zisetyenziselwa ukulinganisela amandla esignali phakathi kwee-amplifier kunye nee-antenna.
I-QualwaveIbonelela ngeendlela ezahlukeneyo zokuchaneka okuphezulu kunye namandla aphezulu e-coaxial 75 ohms attenuators agubungela uluhlu lwamaza e-DC ~ 3GHz, anokufaniswa nezihlanganisi ze-BNC, F-type, kunye ne-N-type. Ukuchaneka ikakhulu kususela kwi-1 ukuya kwi-40dB. Ii-attenuators ezichanekile kakhulu kunye namandla aphezulu, umgangatho othembekileyo, uninzi lweemveliso zihambelana ne-ROHS, zinokuhlangabezana neemfuno ezahlukeneyo zabathengi.
Inombolo yendawo | Izihlandlo(GHz, Ubuncinci.)  | Izihlandlo(GHz, Ubuninzi.) | Amandla(W) | Ukunciphisa(dB) | Ukuchaneka(dB) | I-VSWR(Ubuninzi.) | Iziqhagamsheli | Ixesha lokukhokhela(iiveki) |
|---|---|---|---|---|---|---|---|---|
| Q7A0101 | DC | 1 | 1 | 1, 2, 4, 8, 10, 16, 20 | ± 0.5 | 1.1 | F | 2~4 |
| Q7A0302 | DC | 3 | 2 | 1~30 | ± 0.6 | 1.25 | F, N, BNC | 2~4 |
| Q7A0305 | DC | 3 | 5 | 1~30 | ± 0.6 | 1.25 | F, N, BNC | 2~4 |
| Q7A0101-1 | 0.1 | 1 | 1 | 10, 20, 30, 40 | -2 | 1.15 | F, N | 2~4 |
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