Pūrere Whakakore mō te Pūrere Whakawhiti RF
1. Te mahi a te taputapu porowhita RF
Ko te taputapu porowhita RF he taputapu tauranga-toru me ngā āhuatanga tuku kotahi-angi, e tohu ana he kawe hiko te taputapu mai i te 1 ki te 2, mai i te 2 ki te 3, me te 3 ki te 1, i te mea ka wehea te tohu mai i te 2 ki te 1, mai i te 3 ki te 2, me te 1 ki te 3. Mā te whakarerekē i te ahunga o te mara pīrori ferrite ka taea te whakarerekē i te ahunga o te kawe tohu, ā, ka taea te whakamahi i te kawenga taurite hei wehewehe i tetahi pito o te porowhita RF.
He mahi tā te Pūreretā RF i roto i te tuku tohu ahunga me te tuku takirua i roto i ngā pūnaha, ā, ka taea te whakamahi i roto i ngā pūnaha radar/whakawhitiwhiti kōrero hei wehe i ngā tohu whiwhi/tuku tetahi i tetahi. Ka taea e te tuku me te whiwhi te whakamahi i te pūihi kotahi.
He mea nui te mahi a ngā kaiwhakawehe RF i roto i te wehewehe i waenga i ngā wāhanga, te taurite aukati, te tuku tohu hiko, me te tiaki i te pūnaha whakahiato hiko o mua i roto i te pūnaha. Mā te whakamahi i te kawenga hiko hei tu atu i te tohu hiko whakamuri i puta mai i te taurite, i te kore taurite rānei o te hapa i te wāhanga o muri mai, ka tiakina te pūnaha whakahiato hiko o mua, he wāhanga nui tēnei i roto i ngā pūnaha whakawhitiwhiti kōrero.
2. Te Hanganga o te Pūreretā RF
Ko te kaupapa matua o te taputapu RF Circulator he whakahāngai i ngā āhuatanga anisotropic o ngā rauemi ferrite ki te papa aukume. Mā te whakamahi i te pānga hurihuri Faraday o te papa pōraritanga e hurihuri ana i te wā e tukuna ana ngā ngaru hikohiko i roto i te rauemi ferrite hurihuri me te papa aukume DC o waho, ā, mā te hoahoa tika, ka poutū te papa pōraritanga o te ngaru hikohiko ki te mono ātete whenua i te wā e tukuna whakamua ana, ka iti ake te whakaiti. I te tuku whakamuri, ka whakarara te papa pōraritanga o te ngaru hikohiko ki te mono ātete whenua, ā, tata tonu te mimiti. Kei roto i ngā hanganga ngaruiti ko ngā momo microstrip, waveguide, strip line, me te coaxial, i roto i ēnei ko ngā microstrip three-terminal circulators te mea e whakamahia whānuitia ana. Ka whakamahia ngā rauemi Ferrite hei reo, ā, ka whakatakotoria he hanganga roopu arataki ki runga, me te tāpiri i tētahi papa aukume pumau, hei whakatutuki i ngā āhuatanga circulator. Mena ka whakarerekētia te ahunga o te papa aukume whakahāngai, ka rerekē te ahunga o te koropiko.
E whakaatu ana te pikitia e whai ake nei i te hanganga o tētahi taputapu porowhita e mau ana ki te mata, kei roto ko te ara iahiko pokapū (CC), te ferrite (FE), te pereti aukume ōrite (PO), te aukume (MG), te pereti whakamāmā pāmahana (TC), te taupoki (Taupoki), me te tinana.
3. Ngā momo noa o te Pūreretā RF
Kei roto ko te porowhita coaxial (N, SMA), te resonator mowhiti whakairi mata (porowhita SMT), te porowhita raina rīpene (D, e mōhiotia ana ko te porowhita maturuturu), te porowhita arataki ngaru (W), te porowhita moroiti (M, e mōhiotia ana ko te porowhita papa), e whakaaturia ana i te pikitia.
4. Ngā tohu nui o te RF Circulator
1. Awhe auau
2. Te ahunga tuku
Te hurihanga o te porowhita maui me te hurihanga o te porowhita matau ki te taha matau, e mōhiotia ana hoki ko te hurihanga o te porowhita maui me te hurihanga o te porowhita matau.
3. Te ngaronga whakaurunga
E whakaahua ana i te pūngao o tētahi tohu e tukuna ana mai i tētahi pito ki tētahi pito, ā, ko te iti o te ngaronga whakaurunga, ko te pai ake.
4. Te Wehenga
Ko te nui ake o te wehewehe, ko te pai ake, ā, he pai ake te uara tino nui ake i te 20dB.
5.VSWR/Ngaronga whakahoki
Ko te tata atu o te VSWR ki te 1, ko te pai ake, ā, ko te uara tuturu o te ngaronga hokinga mai he nui ake i te 18dB.
6. Momo hononga
Ko te tikanga, kei reira ngā N, SMA, BNC, TAB me ētahi atu
7. Mana (mana whakamua, mana whakamuri, mana tihi)
8. Te Pāmahana Whakahaere
9. Ahu
E whakaatu ana te pikitia e whai ake nei i ngā whakatakotoranga hangarau o tētahi RF Circulator nā RFTYT
| Pūreretā Whakawhiti RFTYT 30MHz-18.0GHz | |||||||||
| Tauira | Awhe Auau | BWMōrahi. | IL.(dB) | Te noho motuhake(dB) | VSWR | Mana Whakamua (W) | AhuWxLxHmm | SMAMomo | NMomo |
| TH6466H | 30-40MHz | 5% | 2.00 | 18.0 | 1.30 | 100 | 60.0*60.0*25.5 | ||
| TH6060E | 40-400 MHz | 50% | 0.80 | 18.0 | 1.30 | 100 | 60.0*60.0*25.5 | ||
| TH5258E | 160-330 MHz | 20% | 0.40 | 20.0 | 1.25 | 500 | 52.0*57.5*22.0 | ||
| TH4550X | 250-1400 MHz | 40% | 0.30 | 23.0 | 1.20 | 400 | 45.0*50.0*25.0 | ||
| TH4149A | 300-1000MHz | 50% | 0.40 | 16.0 | 1.40 | 30 | 41.0*49.0*20.0 | / | |
| TH3538X | 300-1850 MHz | 30% | 0.30 | 23.0 | 1.20 | 300 | 35.0*38.0*15.0 | ||
| TH3033X | 700-3000 MHz | 25% | 0.30 | 23.0 | 1.20 | 300 | 32.0*32.0*15.0 | / | |
| TH3232X | 700-3000 MHz | 25% | 0.30 | 23.0 | 1.20 | 300 | 30.0*33.0*15.0 | / | |
| TH2528X | 700-5000 MHz | 25% | 0.30 | 23.0 | 1.20 | 200 | 25.4*28.5*15.0 | ||
| TH6466K | 950-2000 MHz | Ki tonu | 0.70 | 17.0 | 1.40 | 150 | 64.0*66.0*26.0 | ||
| TH2025X | 1300-6000 MHz | 20% | 0.25 | 25.0 | 1.15 | 150 | 20.0*25.4*15.0 | / | |
| TH5050A | 1.5-3.0 GHz | Ki tonu | 0.70 | 18.0 | 1.30 | 150 | 50.8*49.5*19.0 | ||
| TH4040A | 1.7-3.5 GHz | Ki tonu | 0.70 | 17.0 | 1.35 | 150 | 40.0*40.0*20.0 | ||
| TH3234A | 2.0-4.0 GHz | Ki tonu | 0.40 | 18.0 | 1.30 | 150 | 32.0*34.0*21.0 | ||
| TH3234B | 2.0-4.0 GHz | Ki tonu | 0.40 | 18.0 | 1.30 | 150 | 32.0*34.0*21.0 | ||
| TH3030B | 2.0-6.0 GHz | Ki tonu | 0.85 | 12.0 | 1.50 | 50 | 30.5*30.5*15.0 | / | |
| TH2528C | 3.0-6.0 GHz | Ki tonu | 0.50 | 20.0 | 1.25 | 150 | 25.4*28.0*14.0 | ||
| TH2123B | 4.0-8.0 GHz | Ki tonu | 0.60 | 18.0 | 1.30 | 60 | 21.0*22.5*15.0 | ||
| TH1620B | 6.0-18.0 GHz | Ki tonu | 1.50 | 9.5 | 2.00 | 30 | 16.0*21.5*14.0 | / | |
| TH1319C | 6.0-12.0 GHz | Ki tonu | 0.60 | 15.0 | 1.45 | 30 | 13.0*19.0*12.7 | / | |
