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Li-Attenuator tse ka hlophisoang tsa USB RF Digital Step USB e laoloang
Li-attenuator tse ka hlophisoang ke lisebelisoa tsa elektroniki tse lumellang taolo ea dijithale le phetoho e nepahetseng ea maemo a attenuation.
Hangata li na le letoto la li-attenuator tse laoloang ke matšoao a dijithale. Li-attenuator tsa mehato tse ka hlophisoang li ka laoloa ka li-interface tsa RS-232 kapa USB, e leng se etsang hore ho be bonolo ho li kopanya le litsamaiso tse kholo. Ha li bapisoa le li-attenuator tse feto-fetohang tse etsoang ka letsoho, li fana ka ho nepahala ho hoholo le ho pheta-pheta, e leng se thusang haholo lits'ebetsong tse hlokang tokiso khafetsa kapa tokiso e ntle.
Li-attenuator tsa RF tse ka hlophisoang li na le litšobotsi tse latelang:
1. Ho ba le lenaneo: Matshwao a dijithale kapa a analog a ka sebediswa ho laola ho fokotseha, ho hata, le ho fetoha pakeng tsa maemo le mekgwa e fapaneng ya ho fokotseha.
2. Botsitso: Sehokelo sa USB RF Digital Step Attenuator se na le boleng bo tsitsitseng ba ho fokotsa mocheso 'me hangata ha se angoe ke mocheso kapa maemo a mang a tikoloho.
3. Tshebetso e phahameng: Mefuteng e mengata ya boenjiniere ya motlakase, USB attenuator e na le ho tsamaellana hantle ha motlakase wa motlakase, tekano, tahlehelo e tlase ya ho kenngwa le tshebetso tse ding tse ntle haholo.
4. Miniaturization: Sesebediswa se laolang USB se ka kopanngwa ka dipakete tse nyane mme se na le boholo bo bonyenyane haholo.
Li-attenuator tse laoloang ke USB tse ka sebelisoang hangata ho etsisa maemo a ho fokotsa matšoao a lefats'e la 'nete le ho netefatsa ts'ebetso ea lisebelisoa tlas'a maemo a fapaneng a matla a matšoao. Li sebelisoa haholo lits'ebetsong, litsamaisong tsa puisano tse se nang mohala, le moralo le liteko tsa lipotoloho tsa elektroniki le likarolo.
Ka ho khetheha, sesebelisoa sa ho thibela RF se ka hlophisoang se kenyeletsa:
1. Sistimi ea puisano: Sebelisa sethibela-matšoao se ka hlophisoang ha u lokisa matla a lets'oao la waelese ho qoba tšusumetso ea matšoao a matla haholo lisebelisoa le litsamaisong.
2. Tekanyo ea sesebelisoa: Sebelisa sesebelisoa se fokotsang lebelo se ka hlophisoang bakeng sa ho lokisa maqhubu le ho fokotsa lebelo ho fihlela litlhoko tsa liteko.
3. Sefofane: Difofaneng, theknolojing ya sebaka, le disebedisweng tsa ho tsamaya, sethibela-maemo sa dijithale sa USB RF se sebediswa bakeng sa ho lekanya potoloho le taolo ya ho fokotsa lebelo.
4. Radio: Sethibela-matšoao sa USB se sebelisoa indastering ea radio ho laola le ho fokotsa matšoao.
Qualwavee fana ka sehlopha se sephara le li-attenuator tse ka hlophisoang tse nang le mefuta e mengata ea matla maqhubung a fihlang ho 40GHz. Mohato e ka ba 0.5dB mme sebaka sa attenuation e ka ba 80dB kapa ho feta. Li-attenuator tsa rona tse ka hlophisoang li sebelisoa haholo libakeng tse ngata.
Nomoro ea Karolo | Maqhubu(GHz, bonyane.)  | Maqhubu(GHz, boholo.) | Sebaka sa ho Fokotsa Khatello(dB) | Mohato(dB, bonyane) | Ho nepahala(+/-) | Tahlehelo ea ho Kena(dB, boholo.) | VSWR | Nako ea ho Fetola(nS, boholo.) | Matla(dB, boholo.) | Lead time(libeke) |
|---|---|---|---|---|---|---|---|---|---|---|
| QPRA-9K-8000-80-1 | 9K | 8 | 0~80 | 1 | ±3dB | 9.5 | 2 | - | 24 | 3~6 |
| QPRA-20-18000-63.75-0.25 | 0.02 | 18 | 0~63.75 | 0.25 | ±2dB | 8 | 2 | - | 25 | 3~6 |
| QPRA-500-40000-63.5-0.5 | 0.5 | 40 | 0~63.5 | 0.5 | ±2dB | 12 | 2 | - | 25 | 3~6 |
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