Isihlungi se-bandstop fielters / notch sibamba iqhaza elibalulekile emkhakheni wezokuxhumana ngokukhetha amabanga athile athile futhi ucindezela amasiginali angafuneki. Lezi zihlungi zisetshenziswa kabanzi kuzicelo ezahlukahlukene ukuthuthukisa ukusebenza kanye nokwethenjwa kwezinhlelo zokuxhumana.
Izihlungi ze-bandstop zithola ukusetshenziswa okubanzi kulezi zindawo ezilandelayo:
Ukuqedwa kwesiginali nokubuyiselwa kokuphazamiseka: Izinhlelo zokuxhumana zivame ukuhlangana nezinhlobo ezahlukene zezimpawu zokuphazamisa, njengalezo ezivela kwamanye amadivaysi angenantambo namandla okuphakela amandla. Lokhu kuphazamisa kungadalula ukwamukelwa kohlelo kanye namakhono okulwa nokulwa. Izihlungi ze-bandstop ezikhethiwe ngokukhethekile, okwenza uhlelo oluzokwamukela futhi lucubungule amasiginali afiselekayo ngempumelelo [[1]].
Ukukhethwa kwe-Frequency Band: Kwezinye izinhlelo zokusebenza zokuxhumana, kuyadingeka ukuthi ukhethe ama-band akhethekile wokuvama kokudluliselwa kwesiginali kanye nokwamukela. Izihlungi ze-bandstop zisiza ukukhethwa kwe-Frequency band ngokukhetha okukhethayo noma okunika amasiginali ngaphakathi kwamabanga athile amvamisa. Isibonelo, ekuxhumaneni okungenantambo, ama-band ahlukile wesiginali angadinga ukucubungula okuhlukile nokudluliselwa. Izihlungi ze-Bandstop zisiza ekukhetheni nasekuguquleni amasiginali ngaphakathi kwamabhande athile okuvama ukuze ahlangabezane nezidingo zezinhlelo zokuxhumana
Ukulungiswa kwesiginali kanye nokwenza kahle: Izihlungi ze-bandstop zingasetshenziswa ukulungisa impendulo yemvamisa futhi zithole izici zamasiginali ezinhlelweni zokuxhumana. Izinhlelo ezithile zokuxhumana zingadinga i-atlonuation noma ukuthuthukiswa kwezimpawu ngaphakathi kwamabanga athile avamisile. Izihlungi ze-bandstop, ngokulungiswa okufanele kanye nokulungiswa kwepharamitha, vumela ukulungiswa kwesiginali nokwenza kahle ukuthuthukisa ikhwalithi yokuxhumana nokusebenza kohlelo
Ukucindezelwa komsindo wamandla: Umsindo we-Power Supply uyinkinga ejwayelekile ezinhlelweni zokuxhumana. Umsindo wokuhlinzekwa kwamandla ungasakaza kumadivayisi wokuxhumana ngokusebenzisa imigqa yamandla noma ahlinzeke amanethiwekhi, okubangela ukuphazamiseka ekuvukeleni kwesiginali nokudlulisela. Izihlungi ze-bandstop zingaqashwa ukucindezela ukusakazwa komsindo wosizo lwamandla, uqinisekise ukusebenza okuzinzile kanye nokwamukelwa okunembile kwesiginali ezinhlelweni zokuxhumana.
Izicelo ezibanzi ezisukela ezihlungi ze-bandstop emkhakheni wezokuxhumana zinomthelela omkhulu ekuthuthukiseni ukusebenza kohlelo nokwethembeka. Ngokucindezela amasiginali wokuphazamisa amandla, ukunika amandla ukukhethwa kwamabhande amva kwesikhathi
I-Concept Microwave ihlinzeka uhla lokuhlunga lwe-notch kusuka ku-100mhz kuya ku-50hhz, esetshenziswa kabanzi ekusetshenzisweni kwengqalasizinda ye-telecom, amasistimu we-satellite, izixhumanisi ze-EMC ne-microwave
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Isikhathi Sokuthumela: Jun-20-2023