Anti-tsangwama mahimmancin hanyar haɗi ne a cikin ƙirar da'ira ta zamani, wanda kai tsaye yana nuna kai tsaye da amincin dukkan tsarin. Ga injiniyoyin PCB, ƙirar anti-tsangwama shine mabuɗin kuma wahalar da kowa dole ne kowa ya zama Jagora.

Kasancewar tsangwama a cikin jirgin PCB
A cikin bincike na ainihi, ana gano cewa akwai ƙungiya huɗu a cikin ƙirar guda huɗu: hayaniyar samar da wutar lantarki, tsangwama da tsangwama na wutar lantarki (EMI).

1. Hayaniyar wutan lantarki
A cikin kewayon murabba'i, hayaniyar samar da wutar lantarki tana da tasiri a bayyane a kan siginar mai girma. Saboda haka, da farko da ake buƙata don wutar lantarki ba karamin amo bane. Anan, ƙasa mai tsabta tana da mahimmanci a matsayin tushen ikon wutar lantarki.

2. Layin watsa
Akwai nau'ikan hanyoyin watsa abubuwa biyu masu yiwuwa a cikin PCB: tsiri layin da layin microwave. Babbar matsala tare da layin watsa labarai tunani ne. Tunani zai haifar da matsaloli da yawa. Misali, siginar mai nauyin zai zama babban siginar asali da siginar ECHO, wanda zai kara wahalar bincike na siginar; Tunani zai haifar da asarar dawowa (dawo asarar), wanda zai shafi siginar. Tasirin yana da mahimmanci kamar yadda hakan ya haifar ta hanyar tsangwama na amo.

3. Cika
Alamar kutse ta gano cewa asalin kutse da ke haifar da tsangwama na lantarki zuwa tsarin sarrafa lantarki ta hanyar tashar haɗin lantarki. Hanyar hada kai ta kutse ba komai bane illa aiwatarwa akan tsarin sarrafa lantarki ta hanyar wayoyi, sarari na yau da kullun, hada kai da ƙarfi, hada kai, hada kai, hada kai, da sauransu.

4
Intermemromagnetic wanda ke tsakiya EMI yana da nau'ikan guda biyu: tsangwama da tsangwama mai haske. Tsoma baki yana nufin ma'aurata (tsangar) na sigina akan hanyar lantarki ɗaya zuwa cibiyar sadarwa ta lantarki ta hanyar matsakaici. Rarraba mai haskakawa yana nufin asalin hanyar shiga tsakani (tsangwama) siginar ta zuwa wani cibiyar sadarwar lantarki ta hanyar sarari. A cikin babban-sauri PCB da tsarin ƙira, layin siginar siginan, masu haɗi, da sauransu na iya zama tushen raƙuman ruwa, waɗanda da sauransu suna iya zama tushen raƙuman ruwa, waɗanda da sauransu suna iya zama tushen raƙuman ruwa, waɗanda da sauransu zasu iya zama tushen raƙuman ruwa, waɗanda da sauransu suna iya zama tushen raƙuman ruwa, waɗanda da sauransu suna iya zama tushen raƙuman ruwa da kuma wasu tsarin a cikin tsarin. aiki na al'ada.

PCB da kewayon kutse-tsangwama
Tsarin anti-jamming na kwamitin buga kewaye yana da alaƙa da takamaiman wurin. Na gaba, za mu iya yin wasu bayanai ne kawai a kan matakai da yawa na ƙirar PCB na rigakafi.

1. Tsarin igiyar waya
Dangane da girman da aka buga da'irar da aka buga yanzu, yi ƙoƙarin ƙara girman layin wutar don rage juriya da madauki. A lokaci guda, sanya gefen layin wutar lantarki da layin ƙasa daidai da jagorancin watsa bayanai, wanda ke taimaka wa haɓaka ikon tsayawa.

2. GASKIYA KYAUTA
Raba dijital ƙasa daga Analog ƙasa. Idan akwai dabaru guda biyu da da'irori na layi akan jirgi mai da'ira, ya kamata a raba su gwargwadon iko. An kafa ƙasa ta kewayon murabba'i mai zurfi a layi daya a layi daya gwargwadon iko. Lokacin da ainihin wiring yana da wuya, ana iya haɗa shi a cikin jerin sannan a ƙasa a cikin layi daya. Ya kamata a ɗora da'irar da yawa a maki da yawa a cikin jerin, waya ta ƙasa yakamata ya zama gajere da kauri, kuma ya kamata a yi amfani da grid-yankin ƙasa.

Www ɗin ƙasa ya kamata ya zama mai kauri kamar yadda zai yiwu. Idan ana amfani da layin bakin ciki don ƙasa, canje-canje masu yawa tare da na yanzu, wanda ke rage ƙarfin amo. Sabili da haka, Wane ƙasa ya kamata ya yi kauri saboda ta iya wucewa sau uku da izini a kan akwatin da aka buga. Idan za ta yiwu, waya ta ƙasa ya kamata ya kasance sama da 2 ~ 3mm.

Waya ta ƙasa tana kafa madauki. Don allon da aka buga sun hada da kawai da'irar dijital ne kawai, ana shirya yawancin da'irar da ke cikin da'irar su a madaukai don inganta juriya na amo.

3. Cigaba da Tsarin Capacoror
Ofaya daga cikin hanyoyin al'ada na ƙirar PCB shine a daidaita masu ɗaukar nauyin kwalliya akan kowane ɓangaren da aka buga.

Babban ka'idojin tsarin Kanfigaresalan wasan kwaikwayo sune:

① Haɗa Haɗa a cikin 10 ~ Ellologytic Capacory a fadin shigarwar wuta. Idan za ta yiwu, ya fi kyau a haɗa zuwa 100uf ko fiye.

Ka'idojin {asar, kowane ciyawar da'irar da'ira ya kamata a sanye take da 0.01PF Ceramic Capacitor. Idan rata na allon buga bai isa ba, ana iya shirya Capacitor 1-10pf don kowane 4 ~ 8.

Na'urar ③for tare da rauni anti-amo da babban iko lokacin da aka kashe, kamar yadda ya kamata ya zama kai tsaye da aka haɗa kai tsaye tsakanin layin wutar da layin ƙasa.

Prethe Capacitor ya zama kada ya yi tsayi da yawa, musamman maɗaukaki yawan mitar da capacitor bai da jagoranci.

4. Hanyar don kawar da tsaka-tsakin Lafiya a cikin Tsarin PCB

Ured nama madaukai: Kowane madauki daidai yake da eriya, saboda haka muna buƙatar rage yawan madaukai, yankin na madauki da eriya tasirin madauki. Tabbatar cewa siginar tana da hanyar madauki ɗaya kawai a kowane maki biyu, ku guji madaukai na wucin gadi, kuma ku yi ƙoƙarin amfani da wutar lantarki.

②Filtering: tace za'a iya amfani dashi don rage EMI biyu akan layin wutar lantarki da kan layin sigina. Akwai hanyoyi guda uku: masu ɗaukar hoto, tayin EMI, da kuma kayan aikin magnetic.

③SHELEL.

④ Yi ƙoƙarin rage saurin na'urorin mitar.

⑤ Darajar da allon kayan aikin PCB zai iya hana babban kayan mitar mitar kamar layin watsa. Strateara da kauri daga cikin PCB Board kuma rage rage kauri daga cikin layin microstrasi ɗin zai iya hana waya mai lantarki daga ambaliyar da kuma hana radadi.