Tekinoroji yeSichuan Keenlion Microwave——Mafirita
Sichuan Keenlion Microwave Technology Yakavambwa muna 2004, Sichuan Keenlion Mircrowave techenology CO., Ltd. ndiyo inotungamira mukugadzira zvikamu zvePassive Mircrowave muSichuan Chengdu, China.
Tinopa zvikamu zve mirrowave zvinoshanda zvakanyanya uye masevhisi akafanana ekushandisa muma microwave kumba nekune dzimwe nyika. Zvigadzirwa izvi zvinodhura zvishoma, zvinosanganisira zvinoparadzanisa simba zvakasiyana-siyana, zvinobatanidza ma directional couplers, ma filters, zvinosanganisa ma combiners, ma duplexers, zvikamu zve passive zvakagadzirwa, zvinoparadzanisa ma isolators uye zvinotenderera magetsi. Zvigadzirwa zvedu zvakagadzirirwa nzvimbo dzakasiyana-siyana dzakanyanya uye tembiricha. Magadzirirwo anogona kugadzirwa zvichienderana nezvinodiwa nevatengi uye anoshanda kune ese ma standard uye popular frequency bands ane bandwidths dzakasiyana kubva kuDC kusvika ku50GHz.
Sefa iyi inogona kusefa frequency yefrequency chaiyo muwaya wemagetsi kana frequency isiri iyo frequency point, kuwana power source signal yefrequency chaiyo, kana kubvisa frequency chaiyo yepower signal.
Nhanganyaya
Sefa mudziyo wekusarudza unobvumira chikamu chefrequency chaicho chiri muchiratidzo kuti chipfuure, uye zvimwe zvikamu zvefrequency zvinodzikira zvakanyanya. Kusarudzwa uku uchishandisa sefa kunogona kusefa kubva muruzha rwekupindira kana kuita ongororo yespectrum. Nemamwe mashoko, inonzi sefa inogona kukonzera kuti chikamu chefrequency chakati chiri muchiratidzo chipfuure, uye kudzikira zvakanyanya kana kudzvinyirira zvimwe zvikamu zvefrequency. Sefa mudziyo unosefa nemafungu. "Wave" ipfungwa yakakura kwazvo yepanyama, mumunda wetekinoroji yemagetsi, "wave" inogumira zvishoma pakuita kwekubvisa kukosha kwehuwandu hwakasiyana hwepanyama nekufamba kwenguva. Maitiro acho anoshandurwa kuita basa renguva revoltage kana current kuburikidza nehuwandu hwakasiyana hwepanyama, kana masaini. Sezvo nguva inoshanduka yega iri kukosha kunoramba kuripo, inonzi chiratidzo chenguva chinoenderera mberi, uye inowanzonzi chiratidzo cheanalog.
Kusefa ipfungwa yakakosha mukugadzirisa masaini, uye basa rekusefa dunhu muDC voltage regulator nderekuderedza chikamu cheAC muDC voltage sezvinobvira, kuchengetedza DC ingredient yayo, kuitira kuti voltage inobuda ideredzwe, waveform ive Smooth.
Tma parameter makuru:
Mafambiro epakati: Mafambiro f0 ebhandi repasi refirita, kazhinji anotora f0 = (f1 + f2) / 2, f1, f2 sebhandi repasi kana firita rekudzivirira bhendi kuruboshwe, kurudyi kwakatarisana ne1 dB kana 3DB edge frequency point. Firita rebhandi repakati rinowanzo verenga bandwidth yebhandi repasi nepoindi diki pane kurasikirwa kwekuisa.
Zuva rekupedzisira: Zvinoreva nzira inoenda kunzira yepassband ye low pass filter uye pass band ye high pass filter. Inowanzotsanangurwa mu relative loss point ye1 dB kana 3DB. Reference reference reference relative loss ndeiyi: low pass inobva paDC insertion, uye Qualcomm inobva pa high-pass frequency yakakwana yeparasitic strip.
Bandwidth yepassband: inoreva upamhi hwespectrum hunodiwa kuti ipfuure, BW = (F2-F1). F1, F2 yakavakirwa pakurasikirwa kwekuisa pa centre frequency F0.
Kurasikirwa kwekuisa: Nekuda kwekuiswa kwesefa mumhepo yechiratidzo chekutanga mudunhu, kurasikirwa pakati kana kuti cutoff frequency, sekudikanwa kwekuti kurasikirwa kwebhendi rese kusimbiswe.
Kuputika: Zvinoreva bandwidth ye1DB kana 3DB (cutoff frequency), kurasikirwa kwekupinda kunochinja-chinja peak yefrequency pa loss agean curve.
Kuchinja-chinja kwemukati: Kurasikirwa kwekupinda mubhandi rekushandisa kuburikidza nekusiyana kwema frequency. Kuchinja kwebhandi mubhandi rekushandisa re1db i1db.
Mubhendi yakamira: Yera kana chiratidzo chiri mupassband mufirita chakanaka kuti chienderane nekutumira kwetransmission. Match Yakakodzera VSWR = 1: 1, VSWR yakakura kupfuura 1 kana isina kuenderana. Kune firita chaiyo, bandwidth inogutsa VSWR iri pasi pe 1.5: 1 inowanzova shoma pane BW3DB, iyo inotsanangura chikamu cheBW3DB uye kurongeka kwefirita nekurasikirwa kweinsert.
Kurasikirwa nepaburi: Huwandu hwema decibels (DB) ratios e port signal input power uye reflected power hwakaenzana ne 20 Log 10ρ, ρ i voltage reflection coefficient. Kurasikirwa kwekudzoka hakuperi kana simba re input ratorwa ne port.
Kuburitswa kwekudzikiswa kwestrip: chiratidzo chakakosha chemhando yekushanda kwekusarudza firita. Kana chiratidzo chakakwira, kudzvinyirirwa kwechiratidzo chekupindira kwekunze kuri nani. Kazhinji kune mhando mbiri dzechikumbiro: nzira yekudzvinyirirwa kweDB yakawanda sei ye frequency fs yakapihwa, nzira yekuverenga ndeyekudzikira kweFS; chimwe chiratidzo chechirongwa che symbol filter threading uye nzira yakanaka ye rectangle - Rectangular coefficient (KXDB yakakura kupfuura 1), KXDB = BWXDB / BW3DB, (X inogona kuva 40dB, 30dB, 20DB, nezvimwewo). Kana rectangles dzakawanda, rectangleity yakakwira - ndiko kuti, padyo nemutengo wakakodzera 1, uye kuoma kwekugadzira chigadzirwa kwakakura zvechokwadi.
Kunonoka: Chiratidzo chinoreva nguva inodiwa kuti chiratidzo chitumire frequency ye phase function diagonal, kureva, TD = DF / DV.
Muchikamu chepakati pebhendi: Iyi sefa yezviratidzo zvechiratidzo ndiyo kukanganiswa kwechikamu chechiratidzo chinotumirwa mupassband. Sefa yakagadzirwa ne linear phase response function ine phase linearity yakanaka.
Kurongwa kukuru
Yakakamurwa kuita firita yeanalog nefirita yedhijitari zvichienderana nechiratidzo chiri kugadziriswa.
Nzira yekufambisa firita isingashandise simba yakakamurwa kuita firita yepasi pasi, yepamusoro, bandpass, uye yese-pass.
Sefa yepasi shoma:inobvumira zvikamu zve low-frequency kana DC muchiratidzo kuti zvipfuure, zvinodzvinyirira zvikamu zve high frequency kana kupindira uye ruzha;
Sefa yekufambisa zvakanyanya: inobvumira zvikamu zvemafrequency akakwira muchiratidzo kuti zvipfuure, kudzvinyirira mafrequency akaderera kana zvikamu zveDC;
Sefa yeBand Pass: Inobvumira masaini kupfuudzwa, kudziviswa masaini, kupindira, uye ruzha pasi kana pamusoro pebhendi;
Sefa inogona kuvharwa: Inodzivira masaini mukati mebhendi remafrequency rakati inobvumira masaini asiri bhendi, inozivikanwawo se "notch filter".
Sefa yekubvisa zvese: Sefa yekufambisa zvizere zvinoreva kuti amplitude yechiratidzo haizoshanduki mukati mehuwandu hwakazara, kureva kuti, amplitude gain yehuwandu hwakazara yakaenzana ne1. Mafirita ese-all-pass anoshandiswa kuchinjisa phase, kureva kuti, chikamu chekuchinja kwechiratidzo chekupinda, uye chinhu chakanaka ndechekuti chinja chechikamu chinoenderana nefrequency, iyo yakaenzana nesystem yekunonoka kwenguva.
Zvese zviri zviviri zvinoshandiswa mafirita asingashande uye anoshanda.
Zvichienderana nenzvimbo yefirita, inowanzo kamurwa kuita firita yeplate uye firita yepaneru.
Pabhodhi, isa pabhodhi, senge PLB, JLB series filter. Zvakanakira zvefirita iyi hazvidhuri, uye dambudziko nderekuti high frequency filtering haina kunaka. Chikonzero chikuru ndechekuti:
1. Hapana kuparadzaniswa pakati pekupinda nekubuda kwesefa, izvo zvinowanzobatanidzwa;
2, kuvharirwa kwepasi kwefirita hakuna kuderera zvakanyanya, kwakaderedza simba rekushandisa frequency yakakwira;
3, chidimbu chekubatana pakati pefirita nechasisi chichaunza migumisiro miviri yakaipa: imwe ndeyekupindira kwemagetsi kwenzvimbo yemukati mechasisi, iyo inokonzerwa zvakananga kune iyi tambo, pamwe chete netambo, uye inoburitsa firita kuburikidza nemwaranzi yetambo. Kukundikana; imwe ndeyekuti kupindira kwekunze kunosefetwa nefirita yefirita iri pabhodhi, kana kuti mwaranzi inogadzirwa zvakananga kana zvakananga kudunhu riri pabhodhi redunhu, zvichikonzera matambudziko ekunzwa;
Maplate efirita, mafirita ekubatanidza uye mamwe mafirita epaneru anowanzoiswa papaneru yesimbi yechasi yekudzivirira. Sezvo yakaiswa zvakananga papaneru yesimbi, zvinopinda uye zvinobuda zvefirita zvakaparadzaniswa zvachose, pasi pakadzika zvakanaka, uye kupindirana kwetambo kunoseferwa pamusoro pechiteshi chechasi, saka mhedzisiro yekusefa yakanaka kwazvo.
Sefa isingashande idunhu rekusefa rinoshandisa resistor, reactor, uye capacitor component. Kana frequency ye resonant, kukosha kwe circuit impedance kuri kushoma, uye circuit impedance yakakura, kukosha kwechikamu checircuit kunogadziriswa kune feature harmonic frequency, uye harmonic current inogona kusefa; kana frequenses dzakawanda dze harmonic. Tuning circuit yagadzirwa, ipapo feature harmonic frequency inoenderana inogona kusefa, uye kusefa main number harmonic (3, 5, 7) kunowanikwa ne low impedance bypass. Nheyo huru ndeyehuwandu hwakasiyana hweharmonic, kugadzira harmonic frequency kudiki, kuwana kupatsanurwa kwe harmonic current, kupa nzira ye bypass ye prefiltered high harmonics kuti uwane purification waveform.
Mafirita asingashande anogona kukamurwa kuita mafirita emagetsi, mafirita emagetsi emagetsi, mafirita eL-RC, mafirita eRC ane chimiro cheπ, mafirita eRC ane chikamu chezvikamu zvakawanda, uye mafirita eLC ane chimiro cheπ. Dzvanya kuti ushande mufirita imwe chete, firita yekuisa zvinhu zviviri, uye firita yepamusoro. Firita isingashande ine zvakanakira zvinotevera: chimiro chayo chiri nyore, mutengo wekudyara wakaderera, uye chikamu chinobatika musystem chinogona kutsiva simba musystem. Inovandudza simba regrid; kugadzikana kwekushanda kwakakwira, kugadzirisa kuri nyore, hunyanzvi hwekukura, nezvimwewo. Inoshandiswa zvakanyanya. Kune zvakawanda zvinokanganisa mafirita asingashande: kukanganisa kwema parameter egrid yemagetsi, kukosha kwe impedance yesystem uye nhamba huru yema frequency e resonant zvinowanzo chinja semamiriro ekushanda; firita ye harmonic yakamanikana, nhamba huru yenguva huru chete ndiyo inogona kuseferwa kubva kuHarmonics, kana nekuda kwema residues akafanana, kuwedzera harmonics; kubatana pakati pekusefeta ne reactive compensation uye pressure regulating; sezvo magetsi achiyerera nefirita, zvinogona kukonzera kushanda kwakanyanya kwemidziyo; Zvinoshandiswa zvakakura kwazvo, huremu nehukuru zvakakura; kugadzikana kwekushanda kwakashata. Saka, sefa inoshanda ine mashandiro ari nani inoita kuti zvishandiswe zvakawanda.
Tinogonawo kugadzirisa zvikamu zveRF passive zvinoenderana nezvamunoda. Munogona kupinda papeji rekugadzirisa kuti mupe zvinodiwa zvamunoda.
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Nguva yekutumira: Kukadzi-09-2022
