Urusaku ruke rwinshi (LNA), inshuro 9K ~ 1GHz, kunguka 30dB, urusaku (NF) 2dB

Urusaku ruke rwinshi ni ikintu cyingenzi muri sisitemu ya RF / microwave, ikoreshwa cyane mu kongera ibimenyetso bidakomeye mugihe hagabanijwe urusaku rwiyongera. Imikorere yibanze hamwe nibisabwa ni ibi bikurikira:

Imikorere yibanze:

1. Kwongera ibimenyetso
Kongera amplitione yibimenyetso bidakomeye byakiriwe na antene cyangwa sensor kugirango urebe neza gutunganya neza imirongo ikurikira nka mixer na ADCs.
2. Guhagarika urusaku
Mugutezimbere igishushanyo no gukoresha ibikoresho byurusaku ruke, ishusho yerekana urusaku (NF) igenzurwa murwego rwa 0.5-3dB (ideal amplifier NF = 0dB).

Ibisabwa:

1. Sisitemu ya Radar
Muri radar ya gisirikare (nka radar yo kugenzura umuriro wo mu kirere) na radar ya gisivili (nka radar ya milimetero yimodoka), LNA ikoreshwa mugukomeza ibimenyetso bya echo idakomeye (igipimo cyerekana urusaku SNR <0dB) bigaragazwa nintego. Iyo unyuze muri amplification ihuza na NF <2dB, radar irashobora kumenya intego hamwe na RCS ya kure cyangwa hepfo (igice cyambukiranya radar).
2. Sisitemu y'itumanaho ridafite insinga
Urusaku ruke rwijwi ni igice cyibanze cya 5G / 6G sitasiyo fatizo, itumanaho rya satelite, hamwe na terefone igendanwa yakira imiyoboro. Ifite inshingano zo kongera urusaku ruke (NF <1.5dB) rw'ibimenyetso bya RF bidakomeye (nko munsi ya -120dBm) byafashwe na antenne mbere yo kumanura ibimenyetso, bikazamura cyane sisitemu yo kwakira neza. Kurugero, muri milimetero yumurongo wumurongo (24 - 100GHz), LNA irashobora kwishyura indishyi zigera kuri 20dB zo gutakaza inzira, ikemeza ituze ryihuta ryamakuru.
3. Igikoresho cyo gupima neza
Mubikoresho nkibisesengura bya spektrike hamwe nisesengura ryurubuga (VNA), LNA igena mu buryo butaziguye imikorere y urusaku rwibikoresho hamwe nintera igenda. LNA irashobora kunoza ibikoresho byunvikana muguhindura ibimenyetso bya nV byapimwe kubipimo bifatika bya ADC (nka 1Vpp). Hagati aho, coefficente y’urusaku ruke cyane (NF <3dB) irashobora kugabanya neza ibipimo bidashidikanywaho no kugabanya amakosa yo gupima.
4. Kwagura aho usaba
Astronomie ya Radio: Telesikope Yihuta yishingikiriza kuri helium ikonje ya LNA (NF ≈ 0.1dB) kugirango ifate imirongo ya 21cm yerekanwe mubisanzure.
Kubara kwa Quantum: Kongera ibimenyetso bya μV urwego (4 - 8GHz) bya superconducting qubits bisaba hafi ya kwantum urusaku rwimikorere.
Kwerekana amashusho yubuvuzi: Ibikoresho bya MRI byongera urugero rwa μV urwego rwa kirimbuzi rukuruzi ya kirimbuzi binyuze muri LNA itari magnetique, hamwe n’ikigereranyo cyerekana urusaku rwinshi rwa 10dB.

Qualwave Inc. itanga urusaku ruke ruri hagati ya 9kHz kugeza 260GHz, hamwe n’urusaku ruri munsi ya 0.8dB.
Moderi ya QLA-9K-1000-30-20, yagenewe byumwihariko kubushakashatsi bwa siyanse no gukoresha itumanaho, igera ku ntera ishimishije yo kunguka 30dB hamwe n’urusaku rwa 2dB mu murongo wa 9kHz ~ 1GHz.