Fasahar Microwave ta Sichuan Keenlion——Matataye
Fasahar Microwave ta Sichuan Keenlion An kafa ta a shekarar 2004, Sichuan Keenlion Mircrowve techenology CO., Ltd. ita ce babbar masana'antar kayan aikin Passive Mircrowve a Sichuan Chengdu, China.
Muna ba da kayan aikin madubi masu aiki da yawa da kuma ayyuka masu alaƙa don amfani da microwave a gida da waje. Kayayyakin suna da araha, gami da masu raba wutar lantarki daban-daban, masu haɗa hanya, matattara, masu haɗawa, masu haɗa duplexers, kayan haɗin da aka keɓance na musamman, masu rabawa da masu zagayawa. An tsara samfuranmu musamman don yanayi daban-daban da yanayin zafi mai tsauri. Ana iya tsara ƙayyadaddun bayanai bisa ga buƙatun abokin ciniki kuma suna aiki ga duk madaidaitan madaukai masu shahara tare da bandwidth daban-daban daga DC zuwa 50GHz.
Matatar za ta iya tace mitar wani takamaiman mita a cikin igiyar wutar lantarki ko mitar da ba ta da mitar ba, ta sami siginar tushen wutar lantarki ta wani takamaiman mita, ko kuma ta kawar da takamaiman siginar wutar lantarki ta wani takamaiman mita.
Gabatarwa
Matatar na'urar zaɓi ce da ke ba da damar wucewar takamaiman ɓangaren mita a cikin siginar, kuma sauran sassan mita suna raguwa sosai. Wannan tasirin zaɓi ta amfani da matatar za a iya tace shi daga hayaniyar tsangwama ko yin nazarin bakan. A wata ma'anar, ana kiranta matattara wacce za ta iya sa wani takamaiman ɓangaren mita a cikin siginar ya wuce, kuma ta rage ko ta danne wasu sassan mita. Matatar na'ura ce da raƙuman ruwa ke tacewa. "Wave" wata faffadan ra'ayi ne na zahiri, a fagen fasahar lantarki, "wave" yana da iyaka kaɗan ga tsarin cire ƙimar adadi daban-daban na jiki akan lokaci. Ana canza tsarin zuwa aikin lokaci na ƙarfin lantarki ko halin yanzu ta hanyar adadi daban-daban na jiki, ko sigina. Tunda lokacin da ke canzawa kai ƙima ce mai ci gaba, ana kiransa siginar lokaci mai ci gaba, kuma ana kiransa da siginar analog.
Tacewa muhimmin ra'ayi ne a fannin sarrafa sigina, kuma aikin da'irar tacewa a cikin mai kula da ƙarfin lantarki na DC shine rage ɓangaren AC a cikin ƙarfin lantarki na DC gwargwadon yiwuwa, riƙe sinadarin DC ɗinsa, don haka an rage yawan ƙarfin lantarki na fitarwa, tsarin raƙuman ruwa ya zama mai santsi.
Tmanyan sigogi:
Mita ta tsakiya: Mita f0 na madannin wucewar matattara, gabaɗaya ana ɗaukar f0 = (f1 + f2) / 2, f1, f2 azaman madannin wucewar band ko matatun juriyar band hagu, dama akasin madannin mitar gefen 1 dB ko 3DB. Matatun takaitaccen band sau da yawa suna ƙididdige madannin wucewar tare da ƙaramin madannin asarar sakawa.
Ranar ƙarshe: Yana nufin hanyar zuwa hanyar passband na low pass filter da kuma passband na high pass filter. Yawanci ana bayyana shi a cikin alamar asara ta dangi na 1 dB ko 3DB. Rasa ta dangane da reference reference reference ita ce: ƙarancin pass ya dogara ne akan shigar DC, kuma Qualcomm ya dogara ne akan isasshen yawan pass na parasites strip.
Bandwidth na wucewa: yana nufin faɗin bakan da ake buƙata don wucewa, BW = (F2-F1). F1, F2 ya dogara ne akan asarar shigarwa a tsakiyar mitar F0.
Asarar shigarwa: Saboda shigar da matattara a yanayin siginar asali a cikin da'irar, asarar da ke cikin tsakiya ko mitar yankewa, kamar yadda ake buƙatar a jaddada asarar band gaba ɗaya.
Ripple: Yana nufin kewayon bandwidth na 1DB ko 3DB (mitar yankewa), asarar shigarwar tana canza kololuwar mitar akan matsakaicin lanƙwasa na asarar.
Sauye-sauyen ciki: Asarar sakawa a cikin hanyar sadarwa tare da bambance-bambancen mita. Canjin band a cikin hanyar sadarwa ta 1db shine 1db.
Jiran aiki a cikin rukuni: Auna ko siginar da ke cikin madaurin wucewa a cikin matatar tana da kyau don daidaita watsawar. Daidaitawar VSWR mai kyau = 1: 1, VSWR ya fi 1 idan rashin daidaito ne. Ga ainihin matatar, bandwidth ɗin da ya gamsar da VSWR bai kai 1.5: 1 ba gabaɗaya ya fi BW3DB, wanda ke lissafin rabon BW3DB da asarar tsari da sakawa.
Asarar rufin: Adadin rabon decibels (DB) na ƙarfin shigar da siginar tashar jiragen ruwa da ƙarfin da aka nuna daidai yake da 20 Log 10ρ, ρ ma'aunin nuna ƙarfin lantarki ne. Asarar dawowa ba ta da iyaka lokacin da tashar jiragen ruwa ta sha ƙarfin shigarwa.
Kwaikwayon danne tsiri: muhimmin ma'auni na ingancin aikin zaɓin matattara. Mafi girman ma'aunin, mafi kyawun hana siginar tsangwama ta waje. Yawanci akwai nau'ikan shawara guda biyu: hanya don danne yawan hana DB na mitar wucewar band fs, hanyar lissafi ita ce raguwar FS; wani ma'auni don shawarar zaren matattara alama da kuma hanyar murabba'i mai kyau - ma'aunin murabba'i mai kusurwa huɗu (KXDB ya fi 1 girma), KXDB = BWXDB / BW3DB, (X na iya zama 40dB, 30dB, 20DB, da sauransu). Da yawan murabba'ai masu kusurwa huɗu, mafi girman murabba'i - wato, kusancin ƙimar da ta dace 1, da wahalar yin samarwa ba shakka ya fi girma.
Jinkiri: Siginar tana nufin lokacin da ake buƙata don siginar ta watsa mitar diagonal na aikin lokaci, wato, TD = DF / DV.
Layin layi na cikin rukuni: Wannan matattarar siffantawa ta alama ita ce karkacewar lokaci na siginar da aka watsa a cikin hanyar wucewa. Matatar da aka tsara ta hanyar aikin amsawar matakin layi yana da kyakkyawan layin lokaci.
Babban rarrabuwa
An raba shi zuwa matattarar analog da matattarar dijital bisa ga siginar da ake sarrafawa.
An raba hanyar wucewar matatar mara aiki zuwa matatar mara aiki mai sauƙi (low pass), matatar mara aiki mai ƙarfi (high pass), matatar bandpass (bandpass), da matatar mara aiki mai ƙarfi (all-pass filter).
Matatar wucewa mai ƙasa:yana ba da damar wucewar ƙananan sassan DC ko sassan siginar, danne sassan mita masu yawa ko tsangwama da hayaniya;
Matatar wucewa mai girma: yana ba da damar wucewar sassan mita masu yawa a cikin siginar, rage ƙarancin mita ko sassan DC;
Matatar Wucewa Mai Rufewa: Yana ba da damar wucewar sigina, danne sigina, tsangwama, da hayaniya a ƙasa ko sama da band;
Matatar da za a iya ɗaurewa: Yana danne sigina a cikin wani takamaiman mitar band yana ba da damar sigina banda band, wanda kuma aka sani da notch filter.
Matatar All-pass: Matatar cikakken wucewa tana nufin cewa girman siginar ba zai canza ba a cikin cikakken kewayon, wato, ribar girman cikakken kewayon daidai yake da 1. Ana amfani da matatun mai wucewa gaba ɗaya don matakin mataki, wato, matakin siginar shigarwa yana canzawa, kuma mafi kyawun shine cewa canjin yanayin yana daidai da mita, wanda yayi daidai da tsarin jinkiri na lokaci.
Duk abubuwan da aka yi amfani da su duka matattara ne masu aiki da kuma masu wucewa.
Dangane da wurin da aka sanya matatar, galibi ana raba ta zuwa matattarar faranti da matattarar allo.
A kan allo, a saka a kan allo, kamar PLB, matattarar jerin JLB. Fa'idodin wannan matattarar suna da araha, kuma rashin amfaninta shine cewa matattarar mita mai yawa ba ta da kyau. Babban dalilinta shine:
1. Babu wani keɓancewa tsakanin shigarwa da fitarwa na matatar, wanda ke da saurin haɗawa;
2, ƙarfin matatar ba ta da ƙasa sosai, ta raunana tasirin wucewar mita mai yawa;
3, wani yanki na haɗin da ke tsakanin matattarar da chassis zai haifar da sakamako biyu marasa kyau: na farko shine tsangwama ta lantarki na sararin ciki na chassis, wanda ke haifar da kai tsaye zuwa wannan layin, tare da kebul, kuma yana haskaka matattarar ta hanyar radiation na kebul. Rashin nasara; na biyu kuma shine tsangwama ta waje ana tace ta ta hanyar tacewa a kan allo, ko kuma radiation ɗin ya fito kai tsaye ko kai tsaye zuwa da'irar akan allon da'ira, wanda ke haifar da matsalolin ji;
Faranti na tacewa, masu haɗa matattara da sauran matattara na allo galibi ana ɗora su akan allon ƙarfe na chassis ɗin kariya. Tunda an shigar da shi kai tsaye akan allon ƙarfe, shigarwa da fitarwa na matattara an keɓe su gaba ɗaya, ƙasa tana da ƙasa sosai, kuma tsangwama akan kebul ɗin ana tace shi a kan tashar chassis, don haka tasirin tacewa ya dace sosai.
Matatar da ba ta aiki ba da'irar matattara ce da'irar matattara da ke amfani da resistor, reactor, da kuma bangaren capacitor. Idan mitar amsawa, ƙimar impedance ta da'irar ba ta da yawa, kuma impedance ta da'irar ta yi girma, ƙimar bangaren da'irar za a daidaita ta zuwa mitar harmonic mai fasali, kuma za a iya tace harmonic mai jimla; idan mitar harmonic da yawa ta haɗu da da'irar daidaitawa, to za a iya tace mitar harmonic mai dacewa, kuma ana samun tace babban lambar harmonic (3, 5, 7) ta hanyar rage impedance bypass. Babban ƙa'ida shine don adadin harmonic daban-daban, ƙirƙirar mitar harmonic ƙarami ne, yana cimma tasirin raba wutar harmonic, yana samar da hanyar wucewa ga harmonic mai ƙarfi da aka riga aka tace don cimma yanayin waveform na tsarkakewa.
Ana iya raba matatun mai wucewa zuwa matatun mai ƙarfin aiki, da'irar matatun wutar lantarki, da'irar matatun L-RC, da'irar matatun RC mai siffar π, da'irar matatun RC masu sassa da yawa, da da'irar matatun LC mai siffar π. Danna don yin aiki a cikin matatun mai daidaitawa guda ɗaya, matatun mai daidaitawa biyu, da matatun mai wucewa mai tsayi. Matatun mai wucewa yana da fa'idodi masu zuwa: tsarin yana da sauƙi, farashin saka hannun jari yana da ƙasa, kuma ɓangaren mai amsawa a cikin tsarin zai iya ramawa ga ƙarfin da ke cikin tsarin. Yana inganta ƙarfin wutar lantarki na grid; kwanciyar hankali na aiki yana da yawa, kulawa yana da sauƙi, balaga ta fasaha, da sauransu. Ana amfani da shi sosai. Akwai fannoni da yawa na gazawar matatun mai wucewa: tasirin sigogin grid na wutar lantarki, ƙimar juriyar tsarin da babban adadin mitoci masu amsawa sau da yawa suna canzawa yayin da yanayin aiki yake; matatun mai jituwa yana da kunkuntar, babban adadin manyan lokutan kawai za a iya tacewa Harmonics, ko saboda ragowar layi ɗaya, haɓaka jituwa; daidaitawa tsakanin tacewa da diyya mai amsawa da daidaita matsin lamba; yayin da wutar ke gudana ta cikin matatun, yana iya haifar da aiki mai yawa na kayan aiki; Abubuwan da ake amfani da su sun fi girma, nauyi da girma suna da yawa; kwanciyar hankali na aiki ba shi da kyau. Saboda haka, matatar mai aiki tare da ingantaccen aiki tana ƙara yawan amfani.
Haka kuma za mu iya keɓance abubuwan haɗin rf marasa aiki bisa ga buƙatunku. Kuna iya shigar da shafin keɓancewa don samar da takamaiman bayanai da kuke buƙata.
https://www.keenlion.com/customization/
Imel:
sales@keenlion.com
tom@keenlion.com
Lokacin Saƙo: Fabrairu-09-2022
