Izici:
- Ibhendi Ebanzi
- Amandla Aphakeme
Isikhulisi samandla, njengengxenye eyinhloko yesiteshi sokudlulisela phambili esisekupheleni kwe-RF, sisetshenziselwa ikakhulukazi ukukhulisa isiginali ye-RF enamandla aphansi ekhiqizwe i-modulation oscillation circuit, ithole amandla okukhipha i-RF anele, futhi izuze ukukhulisa isignali ye-RF yesiteshi sokudlulisela. .Isikhulisi samandla siza neswishi, ifeni, kanye nokuphakelwa kwamandla, okwenza kube lula futhi kusheshe ukusisebenzisa.
Okokufaka kwesignali, ukukhulisa, nokuphumayo.Okokuqala, isignali yokufaka izongena ku-amplifier ngokusebenzisa isixhumi esibonakalayo sokufaka.Okulandelayo, ngemva kokukhulisa ngemojuli yenzuzo, isiginali izokhuliswa ibe sezingeni elidingekayo lamandla.Ekugcineni, isignali ekhulisiwe izokhishwa kumamukeli olandelayo noma i-antenna ngembobo yokuphumayo.
Izinkomba zayo eziyinhloko zobuchwepheshe amandla okukhipha nokusebenza kahle.Indlela yokuthuthukisa amandla okukhipha nokusebenza kahle kuwumgomo oyinhloko wokuklama wama-amplifiers we-RF.Imvamisa, kuma-amplifiers we-RF, amasekhethi e-LC resonant angasetshenziswa ukukhetha imvamisa eyisisekelo noma i-harmonic ethile ukuze kuzuzwe ukukhulisa okungaguquki.Ngaphezu kwalokho, izingxenye ze-harmonic ekuphumeni kufanele futhi zibe zincane ngangokunokwenzeka ukuze zigweme ukuphazamiseka kwezinye iziteshi.
Isikhulisi samandla e-RF esiphelele sinezinhlobonhlobo zezinhlelo zokusebenza emkhakheni wezokuxhumana.Umsebenzi wayo oyinhloko ukuthuthukisa ikhono lokudlulisela isignali ukuqinisekisa ukwethembeka nokuzinza kwesignali ngesikhathi sokudlulisa.Isibonelo, emkhakheni wokuxhumana okungenantambo, izikhulisamandla ze-RF zisetshenziswa kakhulu kumadivayisi afana nomakhalekhukhwini, omabonakude, neziteshi eziyisisekelo zokuxhumana ngomsakazo ukuze kuthuthukiswe amandla okudlulisa isignali.Ngaphezu kwalokho, yonke isikhulisi samandla e-RF siphinde sibe isisetshenziswa esibalulekile ku-radar, ukuxhumana ngesathelayithi neminye imikhakha.
Qualwaveihlinzeka nge-Power Amplifier Systems ukusuka ku-DC ukuya ku-110GHz, futhi amandla afika ku-200W.Inzuzo encane ingu-15dB futhi okokufaka okuphezulu kwe-VSWR ngu-3:1.Sihlinzeka ngezinhlelo ezihlukahlukene zezikhulisamandla ukuze zihlangabezane nazo zonke izidingo zakho ku-RF, i-microwave, nezingxenye ze-millimeter-wave amplifier.