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I-amplifier ephansi ye-amplifier (LNA) iyi-amplifier enesibalo somsindo ophansi ngokweqile. Isetshenziselwa ikakhulukazi ukukhulisa amasiginali abuthakathaka ngenkathi inciphisa ukuphazanyiswa komsindo ukuthuthukisa isilinganiso se-Signal-to-Noise. Imvamisa ibekwa emaphethelweni angaphambili wesistimu yemukela umsakazo, njengemva kwe-antenna, ukukhulisa amasiginali abuthakathaka atholwe emoyeni.
Izici:
Isibalo somsindo we-1.low Isibalo somsindo, ukuphazamiseka komsindo okuncane kwezethula, okuholela ekulinganiseni okuphezulu kwesiginali-to-umsindo.
I-Efliigh: Ukuze uthuthukise ngempumelelo amasiginali abuthakathaka, i-amplifier yomsindo ophansi ngokuvamile inenzuzo ephezulu, engakhulisa kakhulu ukuthuthuka kwesiginali.
3.I-bandwidth: Ama-amplifier amaningi aphansi aphansi aklanyelwe ukuba abe ebanzi, akwazi ukuphatha amasiginali kulo lonke uhla lwemvamisa ebanzi.
Ukuqina kwe-4.Good: I-amplifier yomsindo ephansi idinga ukuba nokuqina okuhle ukugwema i-oscillation lapho isebenza amaza aphezulu.
Ama-amplifiers anomsindo ophansi asetshenziswa kabanzi ekuxhumaneni okungenantambo, ukuxhumana kwe-satellite, i-radar, ukubhekana nezinkanyezi ze-elekthronikhi, kanye nezinye izinkambu.
I-Quicgave ifaka izinhlobo ezahlukene ze-amplifiers zomsindo eziphansi kusuka ku-4K kuya ku-260ghtz, futhi isithombe somsindo singaba ngaphansi kuka-0.7DB.
Sethula enye yazo, imvamisa esukela ku-9Khz kuya ku-3hhz, inzuzo engu-43DB, umsindo we-3DB, i-P1DB ye-16DBM.
1.Izici zikagesi
Imvamisa: 9k ~ 3000mhz
Inzuzo: 43db yp.
Thola i-Flatness: ± 1.5DB TYP.
Amandla okukhipha (P1DB): 16dbm typ.
Umdwebo we-Noise: 3DB max.
Buyela emuva: 60DB Min.
Okuxakayo: -60dbc max.
Faka i-VSWR: 1.6 nge-typ.
Ukukhishwa kwe-VSWR: 1.8 yp.
I-Voltage: + 12v DC
Okwamanje: 140A typ.
Amandla okufaka: + 5dbm max.
2. Izakhiwo zemishini
Usayizi * 1: 38.1 * 21.59 * 9.5mm
1.5 * 0.85 * 0.375in
Izixhumi ze-RF: Owesifazane we-SMA
Ukuphendula: 4-φ2.54mm ngokusebenzisa-hole
[1] khipha izixhumi.
3. Imvelo
Ukushisa okusebenzayo: 40 ~ + 75 ℃
Izinga lokushisa elingasebenzi: - -55 ~ + 125 ℃
4. Imidwebo echaza
Iyunithi: mm [e]
Ukubekezelela: ± 0.2mm [± 0.008in]
5.Idatha yokuhlola
Izimo Zokuhlola: I-VDC = 15V, IDC = 126MA
6.Ungayi-oda kanjani
QLA-9K-3000-43-30
I-Qualgave ihlanganise iminyaka yesipiliyoni ocwaningweni nasekuthuthukisweni kwama-amplifiers anomsindo ophansi, ongafinyelela ukukhiqizwa kwesisindo nocwaningo olwenziwe ngezifiso kanye nentuthuko ngokuya ngezidingo zamakhasimende.
Uyemukelwa ukushiya umyalezo ukuthola eminye imininingwane.
Isikhathi sePosi: Mar-21-2025