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75 ohms Izithinteli 75Ω Ezizinzileyo 75 Ohms ezizinzileyo
I-75 ohms attenuator luhlobo lwe-attenuator ebizwa ngokuba yi-75 ohms.
Iyinxalenye ye-passive esetyenziselwa ukulawula amandla omqondiso wesekethe, i-Attenuator ye-75Ω ikhusela ukukhulisa ngokugqithisileyo kunye nokuphazamiseka kwesiginali, kwaye ikhusela ukungaphumeleli okubangelwa ukugqithiswa komqondiso.
I-75Ω i-attenuators esisigxina iimpawu eziphambili ziquka:
1. I-impedance ehambelanayo: I-75 Ohms i-impedance esisigxina ye-attenuator ihambelana nokuphazamiseka kweempawu zomgca wokuhambisa umqondiso wesixhobo sevidiyo, usasazo lukamabonakude kunye nenkqubo kamabonakude wentambo, ngaloo ndlela ukunciphisa ukubonakaliswa kunye nokulahleka kwesiginali yokuhambisa.
2. Ukuphazamiseka okuphantsi: I-attenuator inokunciphisa amandla omqondiso ngaphandle kokuzisa ukuphazamiseka okongeziweyo okanye ukuphazamiseka kwesignali.
3. Ukuthembeka okuphezulu: Ngenxa yokuba ii-attenuators ziyinxalenye ye-passive kwaye azinamalungu ashukumayo, zithembeke kakhulu kwaye azifuni ukulungiswa okanye ukutshintshwa.
Ii-75 ohms attenuators ziqhele ukusetyenziswa kwezi zicelo zilandelayo:
1. Kwiinethiwekhi ze-cable TV kunye neenethiwekhi ze-TV zedijithali, isetyenziselwa ukulawula amandla omqondiso kunye nokunciphisa ukubonakaliswa kwesignali kunye nokulahleka.
2. Ngexesha lokuvelisa kunye nokuhanjiswa kweevidiyo eziphezulu kunye nenkcazo ephezulu, lawula amandla omqondiso kunye nokugcina umgangatho wokuguqulwa.
3. Kwiisistim zokusasaza kunye nomabonwakude, izixhobo ezilungelelanisa amandla omqondiso ukuze zihambelane nokuhanjiswa kwemiqondiso ethile kunye nokwandisa uluhlu lwesiginali.
4. Kwii-eriyali zikamabonakude, ezisetyenziselwa ukulinganisa amandla omqondiso phakathi kwe-amplifiers kunye nee-eriyali.
QualwaveIbonelela ngeendlela ezahlukeneyo zokuchaneka okuphezulu kunye namandla aphezulu e-coaxial 75 ohms attenuators agubungela uluhlu lwamaza e-DC ~ 3GHz, anokuhanjiswa kunye nohlobo lwe-BNC, uhlobo lwe-F, kunye nohlobo lwe-N. Ukunciphisa ubukhulu becala kuluhlu ukusuka kwi-1 ukuya kwi-40dB. I-attenuators ngokuchaneka okuphezulu kunye namandla aphezulu, umgangatho othembekileyo, iimveliso ezininzi zithobela i-ROHS, zinokuhlangabezana neemfuno ezahlukeneyo zabathengi.
Inombolo yendawo | Ukuphindaphinda(GHz, Min.)  | Ukuphindaphinda(GHz, Max.) | Amandla(W) | Ukuthotywa(dB) | Ukuchaneka(dB) | VSWR(Ubukhulu.) | Izihlanganisi | 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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