Inating na jan karfe muhimmiyar bangare ne na ƙirar PCB. Ko yana da software na PCB na gida ko kuma wasu juyi na ƙasashen waje, Ikon wuta yana ba da tagulla? Don haka ta yaya za mu yi amfani da tagulla?

Abin da ake kira jan ƙarfe zuba shine amfani da sararin da ba a amfani dashi akan PCB a matsayin yanayin da aka ambata sannan ya cika shi da tagulla mai ƙarfi. Wadannan wuraren jan ƙarfe ma ana kiranta jan karfe cika. Muhimmancin shafi na waya shine a rage rashin daidaituwa na waya da inganta iyawar hana tsangwama; Rage sauke na wutar lantarki kuma inganta ingancin samar da wutar lantarki; Haɗa tare da waya na ƙasa kuma yana iya rage yankin madauki.

Don yin PCB kamar yadda ba a taɓa jin daɗin yin amfani da PCB, masu kera PCB masu zanen PCB tare da jan ƙarfe da jan ƙarfe. Idan an ba da damar tagulla mara kyau, ribar ba zai cancanci asarar ba. Cajin tagulla "mafi fa'ida fiye da barazanar da" ko "Harms fiye da fa'idodi"?

Kowa yasan cewa rarraba cajin da aka buga birnin da aka buga lilo zai yi aiki a babban mitar. Lokacin da tsawon ya fi 1/20 na raƙuman ruwa na amo, tasirin eriya zai faru, kuma za a fitar da amo ta hanyar wiring. Idan akwai jan karfe mai talauci a cikin PCB, jan ƙarfe ya zama kayan aikin yaduwa. Sabili da haka, a cikin kewayon murabus, kada kuyi tsammanin cewa waya na ƙasa an haɗa shi da ƙasa. Wannan ita ce "waya ta waya" kuma dole ne ƙasa da λ / 20. Holes ramuka a cikin wiring zuwa "kyakkyawan ƙasa" tare da jirgin saman ƙasa na mullimera. Idan an kula da shafi na tagulla da kyau, jan tagulla ba kawai yana ƙara halin yanzu ba, amma kuma yana da rawar biyu na tsangwame.

Akwai gaba ɗaya hanyoyi guda biyu don shafi na jan karfe, watau manya na tagulla na tagulla. Ana tambaya sau da yawa ko manyan jan karfe na tagulla ya fi grid jan karfe shafi. Ba shi da kyau a inganta. Me yasa? Babban kayan aikin jan karfe yana da ayyukan dual na karuwa da garkuwa ta yanzu. Koyaya, idan ana amfani da haɗin gwiwar da aka yi amfani da shi don siyar da igiyar ruwa, jirgin zai iya ɗaukar sama da blisters. Saboda haka, don manyan tagulla na tagulla, an buɗe yawancin groooes da yawa don sauƙaƙa barin tagulla na tagulla. An yi amfani da grid tagar tagulla mai tsabta don kare, kuma tasirin ƙara yanzu an rage yanzu. Daga yanayin dissipation, grid yana da kyau (yana rage yawan dumama na jan ƙarfe) kuma yana taka rawa a cikin garkuwa da lantarki. Amma ya kamata a nuna cewa Grid ya ƙunshi burbushi a cikin kwatance. Mun san cewa don da'irar, girman hanyar yana da madaidaiciyar "tsayin lantarki" don mita na miji mai dacewa da mita aiki yana samuwa, duba litattafai masu alaƙa da cikakkun bayanai). Lokacin da mita aiki ba shi da girma sosai, sakamakon sakamako na layin Grid na iya zama bayyananne. Da zarar tsayin lantarki ya dace da mita aiki, zai yi mummunan rauni. An gano cewa da'irar ba ta aiki da kyau ko kuma sigina da ke hulɗa da aikin da ake amfani da shi a ko'ina. Don haka ga abokan aiki waɗanda suke amfani da graye, shawarata ita ce a kan yanayin aiki na akwatin gini da aka tsara, kar a jingina ga abu ɗaya. Sabili da haka, cirirwar miji suna da babban buƙatu don amfanin grid-tsangwama don anti-tsangwama, da da'irori tare da manyan igiyoyi, da sauransu.are wanda aka saba amfani da slad.

Muna buƙatar kulawa da waɗannan matsaloli masu zuwa don cimma tasirin da ake so na jan ƙarfe ya zuba cikin jan ƙarfe ya zuba:

1. Idan PCB yana da filaye da yawa, kamar sgnd, Agnd, Gnd, da sauransu kwamitin jirgin PCB, ya kamata a yi amfani da ƙasa mai zuba ido kai tsaye. Yankin dijital da analog na rabu da jan karfe zuba. A lokaci guda, kafin tagulla zuba, da farko m hanyar haɗin iko haɗin: 5.0v, 3.3v, da sauransu, da sauransu, da sauransu na fasali daban-daban ana samar da tsarin daban-daban.

2. Don haɗi guda ɗaya zuwa dalilai daban-daban, hanyar shine a haɗa ta cikin tsayayya ta 0 ohm masu tsayayya da 0 OHM masu tsayayya da su, beadswa;

3. Tumbashin tagulla kusa da Crystal Oscillator. A Crystal Oscillator a cikin da'ira shine babban-mitar mitsi. Hanyar ita ce ta kewaye da murfin crystal da jan ƙarfe, sannan ƙasa da harsashi na crystal oscillor daban.

4. Tsibirin ya shiga (Yankin da ya mutu) Matsala, idan kun yi tunanin ya yi girma, ba zai kashe abubuwa da yawa ba don ayyana ƙasa ta hanyar kuma ƙara shi.

5. A farkon farkon wiring, ya kamata a kula da waya ƙasa iri ɗaya. A lokacin da wiring, ta ƙasa waya ya kamata ta kasance da kyau. Ba za a iya ƙara PIN na ƙasa ta ƙara Vias ba. Wannan tasirin yana da kyau sosai.

6. Zai fi kyau kada su sami kusurwoyin kaifi a kan allo (<= digiri 180), saboda daga hangen nesa na lantarki, wannan ya ƙunshi eriyar eltenna! Koyaushe za a sami tasiri a wasu wurare, ko babba ko ƙarami. Ina bayar da shawarar amfani da gefen baka.

7. Kada ku zuba tagulla a cikin buɗe yankin na tsakiyar yankin na mullla na mulllainarra. Domin yana da wahala a gare ku ku yi wannan jan ƙarfe "

8. Karfe a cikin kayan aiki, kamar radiators na ƙarfe, tube marasa grops, da sauransu, dole ne "kyakkyawan ƙasa".

9. Tufafin zafin jiki na zamani na mai raba mai-uku dole ne a rinjaye shi sosai. Groupi na warewar ƙasa kusa da Crystal Oscillator dole ne ya kasance mai da kyau. A takaice: Idan matsalar ƙasa ta jan ƙarfe a kan PCB an yi ma'amala da shi, tabbas "yunkuri sun fi rashin nasara da rashin nasara". Zai iya rage yankin dawowa na layin sigina da rage tsangwama na lantarki a waje.