Te wehewehe mana o Wilkinsonhe ara iahiko wehewehe mana. Ina taurite ngā tauranga katoa, ka taea te whakarite i te wehenga i waenga i ngā tauranga putanga e rua. Ahakoa ka taea te hanga i te wehewehe mana Wilkinson hei whakatutuki i tētahi wehenga mana (hei tauira, tirohia a Pozar [1]), ka akohia e tēnei tauira te take o te wehenga ōrite (3dB). Ka whakamahia te FDTD hei tiki i ngā tawhā marara o te taputapu.
Te wehewehe mana o WilkinsonNgā Tautuhinga Analog
Ko te rōpū hanganga "te ara me te kawenga" e whakamahia ana i roto i te kōnae whakaata FDTD, te wehewehe mana Wilkinson_. Ko ngā tawhā ā-tinana me te hiko o te wehewehe mana Wilkinson kua hangaia, ā, kua whakatakotoria ki roto i te fsp. Ka whakatauirahia te raina tuku hiko iti mā te whakamahi i tētahi pereti tapawhā rua-ahu tino pai (PEC) kua whakatakotoria ki runga i tētahi papa matotoru 1.59mm me te pūmau dielectric whanaunga o te 2.2. Ka tatauhia te whānui e hiahiatia ana mō ia wāhanga raina tuku mā te whakamahi i te whārite. Ko te 3.195 me te 3.197 i roto i te Pozar [1] (tirohia te kōnae tuhinga microstrip.lms i roto i te tauira microstrip) he 4.9mm (Z0=50 ohms) me te 2.804 mm (√ 2Z0=70.7 ohms) ia. Ka hangaia te raina tuku hauwhā-ngaru mā te whakamahi i ngā polygons 2D kua hangaia hei mowhiti. Ko te 3.194 i roto i te Pozar [1] ko λ g/4=55.5 mm. Ka whakatauirahia te ātete mā te whakamahi i tētahi pereti tapawhā 2D e tohu ana i tētahi rauemi me te R=100 ohms.
Ka whakanohoia ngā tauranga ki runga i ngā tohu tāuru me te tāputa hei werohanga i te aratau raina tuku i te awhe auau o te 0.5 – 1.5 GHz, me te tatau i ngā tawhā marara o te taputapu. Mō ētahi atu taipitopito mō ōna tautuhinga, tirohia te whārangi Tauranga. E ai ki te whakaahuatanga i raro nei, ka whakarerekētia ā-ringa te tauranga pūtake kia mura ai tētahi tauranga i ia wā.
Ka whakatakotoria te horahanga hipoki mata ki runga i ia ara hei whakatau i tōna roa me tōna whānui. Ko ngā āhuatanga piko me te koki o te tohu peka e hiahia ana kia ōrite te rahi o te mata i ngā ahunga x me y (dx=dy). Ehara tēnei i te herenga ki ngā ara whāngai me ngā ara putanga e hāngai ana ki te tuaka taunga. Ka whakatakotoria he tārua o te horahanga hipoki mata e whakamahia ana mō te aroturuki peka ki te taha matau o te tohu putanga hei pupuri i te mata ōrite.
Ka karapotia e te tikanga rohe mimiti PML te rohe whakaata katoa, engari ko te rohe iti rawa-z, e tohua ana ko te tikanga rohe whakarewa e whakaata ana i te papa whenua o te raina tuku moroiti.
Te wehewehe mana o Wilkinson Ngā hua me ngā tātaritanga
E whakaatu ana te ahua i runga ake nei i te urupare auau o ngā tawhā marara e whakamahia ana mō te whakatauira wehe me te tuku me te tohatoha mara hiko i te 1GHz. Ka whakaputahia ēnei tau e te tuhinga i muri i te otinga o te whakatauira. Me mōhio ka taea te whiwhi i ēnei hua i runga i te ara mā te whakamahi i ngā mata pai ake i ērā kua tohua i roto i te kōnae whakatauira.
Te anaroTe wehewehe mana o Wilkinsonhe pai te ōrite o ngā tauranga whakauru (S11=- 40dB, f=1.0GHz) me te putanga (S22=- 32dB, f=1GHz), he pai te wehewehe (S32=- 43dB, f=1GHz), ā, ko tōna auau pokapū he 1.01GHz, kei roto i te 1% o te auau whakahaere hoahoa o te 1GHz. Hei tāpiri, i kitea e mātou he 3dB te wehenga mana ōrite (S31=- 3dB i te f=1GHz) me te huringa iti iho i te 10% i roto i te roopu auau anaro.
He whānuitanga ngā momo o te Si Chuan Keenlion Ngāruiti i roto i ngā whirihoranga whāiti me te whānui, e kapi ana i ngā auau mai i te 0.5 ki te 50 GHz. Kua hangaia hei whakahaere i te mana whakauru mai i te 10 ki te 30 watts i roto i te pūnaha tuku 50-ohm. Ka whakamahia ngā hoahoa moroiti, raina rānei, ā, ka arotauhia mō te mahi pai rawa atu.
Ka taea hoki e mātou te whakarite i te Wehewehe Mana kia rite ki ō hiahia. Ka taea e koe te whakauru i tewhārangi whakaritenga hei whakarato i ngā whakaritenga e hiahiatia ana e koe.
Te Kamupene Hangarau Ngaruiti o Sichuan Keenlion, Ltd.
Ī-mēra:
sales@keenlion.com
tom@keenlion.com
Wā tuku: Hakihea-06-2022
