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Mitemo yakakosha yeComputer Layout
1. Sekureva kweDunhu Modules, kugadzira marongero uye anoenderana nematunhu anowana basa rimwe chete rinonzi module. Izvo zvikamu mumatunhu emugadzi wedunhu chinofanira kutora musimboti wekusangana pedyo, uye dunhu redhijitari uye dunhu reAnalog rinofanira kupatsanurwa;
2. Hapana zvikamu kana zvishandiso zvichaiswa mukati me1,27mm yeVatambi Vasingaomeswe senge masango, uye 3.5mm (yeM3) ye3,5) uye 4mm (yeM3) haibvumirwe kune zvikamu zvoga;
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4. Iyo chinhambwe pakati pechikamu uye pamucheto webhodhi ndeye 5mm;
5. Iyo chinhambwe pakati pekunze kwechikamu chinokonzeresa chikamu uye kunze kweiyo yepakutanga kupindira chikamu chakakura kupfuura 2mm;
6. Metal shell zvikamu uye zvidimbu zvesimbi (madziro emabhokisi, etc.) haafanire kubata zvimwe zvikamu, uye hazvifanirwe kunge zviri pedyo nemitsetse uye mapads. Kureba pakati pavo kunofanirwa kuve kukuru kudarika 2mm. Ukuru hwegomba hunosimbisa, Fastener yekuisa gomba, oval gomba uye mamwe maturu emabhodhi mubhodhi kubva kunze kwemupendero webhodhi rakakura kupfuura 3mm;
7. Kupisa zvinhu hazvifanirwe kunge zviri padyo nemwi waya uye kupisa-zvinangwa zvinhu; Zvinhu zvepamusoro-soro zvinhu zvinofanirwa kugoverwa zvakanyorwa;
8. Simba remagetsi rinofanira kunge rakarongwa kutenderedza bhodhi rakadhindwa kusvika pakukwanisika, uye sower socket uye bhazi bar terminal rakabatana kuti rirongerwe parutivi. Kutarisirwa kunokosha kuti usabhadharwe zvigadziko zveupfu uye zvimwe zvinobatanidza pakati pevanobatanidza pakati peanogarisana neiyi zvigadziko uye zvinobatana, pamwe nekugadzira uye kusunga tambo dzemapa. Iyo gadziriro yekuparadzaniswa kwemagetsi zvigadziko uye kutaurirana kwekubatanidza kunofanirwa kutariswa kuti kufambisa iyo pluging uye kusunungura plugs plugs;
9. Kuronga kwezvimwe zvinhu:
Zvese zvifananidzo zvifananidzo zvakabatanidzwa kune rumwe rutivi, uye polarity yezvinhu zvePolar zvakanyorwa zvakajeka. Iyo porlarity yeiyo imwechete yakadhindwa bhodhi haigone kuiswa mumativi anopfuura maviri mafambiro. Kana mafambiro maviri achionekwa, mafambiro maviri aya ari perpendicular kune mumwe nemumwe;
10. Iyo wiring padenga rebhodhi rinofanira kunge rakakwenenzverwa uye dense. Kana mutsauko wesheni wakakura kwazvo, rinofanira kuzadzwa naMesh Copper foil, uye grid inofanira kunge yakakura kupfuura 8mil (kana 0.2mm);
11. Panofanirwa kunge pasina maburi pane smd mapads kuti udzivise kurasikirwa kwemutengesi pasita uye kukonzera kutengesa kunyepa kwezvinhu. Mitsetse yakakosha yemasaini haibvumirwi kupfuudza pakati pechifungu.
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13. Kusvika sezvinobvira, izvo zvakashata zvishandiso zvinofanirwa kuenderana nehurongwa hwekutakura kwekutaridza kutungamira pane bhodhi rimwe chete.

Chikamu chinorira mitemo

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2. Mutsetse wemagetsi unofanirwa kunge wakapetwa sezvinobvira uye haufanire kunge uri pasi pegumi nemasere; Chikwangwani cheturu chakabikwa hazvifanire kunge chiri pasi pegumi nemaviri; Iyo CPU yekuisa uye mitsara yekubuda haifanirwe kunge isiri pasi pegumi (kana 8mil); mutsara wetsetse haufanire kunge uri pasi pegumi;
3. Izvo zvakajairwa kuburikidza neisingasviki 30mil;
4. Dual in-line: 60mil pad, 40mil kupambwa;
1 / 4W Rwisa: 51 * 55mil's Gomo reGomo); Kana mu-mutsara, pad pasi 62mil uye kupambwa kwasvika makumi mana nematatu.
Kusakwana kusingaperi: 51 * 55mil's gomo reGomo); Kana mu-mutsara, pad pasi makumi mashanu, uye kuparadzwa kwakaitika 28mil;
5. Cherekedza kuti mutsara wemagetsi uye mutsara wepasi unofanirwa kunge wakanyarara sezvazvinogona, uye mutsara wechiratidzo haufanire kutapurwa.

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Maitiro Ekuvandudza kugona kweAnti-kukanganisika uye electromagnetic kuenderana?
Maitiro ekuvandudza kugona kweAnti-kukanganisika uye electromagnic kuenderana kana kukudziridza zvigadzirwa zvemagetsi nezvirevo?

1. Iwo anotevera masisitimu anofanira kutarisisa akakosha kune anti-electromagnetic kukanganiswa:
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2. Tora matanho anotevera kuwedzera anti-electromagnic kukanganisika kwehurongwa:
(1) Sarudza microcontroller ine low frequency:
Kusarudza microcontroller neyakaderera yekunze yekufambisa mari inokwanisika kuderedza ruzha uye kugadzirisa hurongwa hwesistmant's anti-kukanganiswa kugona. Kune mafungu emudiki uye sine mafungu eiyo frequency imwe chete, iyo yakakwira frequency zvikamu mune yakaenzana masaisai yakawanda kupfuura iyo mudenga wachi. Kunyangwe iyo yekuvhara yeiyo yakakwira-frequency chikamu chewirume madiki pane madiki pane fundo yakakosha, yakakwira iyo frequency, zviri nyore kufarirwa neruzha. Iyo yakanyanya kujairika yakakwira-frequency ruzha inogadzirwa neiyo micrococontroller inenge katatu nguva iyo wachi frequency.

(2) kuderedza kukanganisa mukushambadzira kusaina
Microconsrollers inonyanya kugadzirwa uchishandisa yakakwira-kumhanya CMOS. Iyo yekurumwa kwechigadziko iripo yezviratidzo zvekuisa chiratidzo Iyo inobuda terminal yeiyo yepamusoro-speed cirto Iyo yakareba yaya inotungamira kune iyo yekuisa terminal ine yakakwira yekuisa kukundikana, dambudziko rekuratidzira rakanyanya, rinokonzera kusaina kusagadzikana uye kuwedzera ruzha. Kana TPD> TRI, inova dambudziko rekutapurika mutsara, uye matambudziko akadai sekuratidzira kwekuratidzira uye kutarisirwa kunoenderana kunofanirwa kufungwa nezvazvo.

Nguva yekunonoka yeChiratidzo pane bhodhi rakadhindwa rine chekuita nehunhu hwekutungamirwa kwetungamiri, iyo ine hukama neye dielelectric inogara ichidhindwa wedunhu redunhu rekadhi rekudhinda. Inogona kuve yakajeka inofungidzirwa kuti kumhanya kwekusimudzira kwechiratidzo pane yakadhindwa bhodhi inotungamira inenge 1/3 kusvika ku1/2 yekumhanya kwechiedza. Iyo TR

Padunhu redunhu rakadhindwa, chiratidzo chinopfuura nepakati pe7w profor uye neyakagara-marefu, uye nguva yekunonoka pamutsetse ndeyekupedzisira pakati pe4 ~ 20 Mune mamwe mazwi, kupfupika chiratidzo chinotungamira mudunhu rakadhindwa, zviri nani, uye kureba hakufanirwe kupfuura 25cm. Uye nhamba yeVias inofanira kunge iri diki sezvinobvira, zvisingaite kwete anopfuura maviri.
Kana nguva yekukaswa chiratidzo ichikurumidza kupfuura iyo Signal Inguva yekunonoka, inofanira kuongororwa zvinoenderana nemagetsi nekukurumidza. Panguva ino, kutaurwa kwekutarisirwa kweiyo tambo yekutumira inofanirwa kutariswa. Nechiratidzo chekutapurirana pakati pezvisungo zvakabatanidzwa pane bhodhi redunhu rakadhindwa, mamiriro eTD> trd anofanira kudzivirirwa. Iyo yakakura dunhu redunhu redunhu, nekukurumidza iyo yekumhanyisa system haigone kuve.
Shandisa mhedzisiro inotevera kupfupisa mutemo wedare redunhu redunhu dhizaini:
Chikwangwani chinotapurwa pane bhodhi rakadhindwa, uye nguva yekunonoka haifanire kunge yakakura kupfuura iyo yekudzokorora kwekunonoka kwechinhu chinoshandiswa.

(3) Deredza muchinjiro * kupindira pakati pemitsetse yemasaini:
Nhanho yedanho ine nguva yekukwira yeTr panguva ino inoendeswa kune terminal b kuburikidza nekutungamira AB. Iyo nguva yekunonoka yechiratidzo pane iyo AB mutsara weTD. PaPoint D, nekuda kwekutendeukira mberi kwekutapurirana kwechiratidzo kubva pachiratidzo che, chiratidzo chechiratidzo mushure mekusvitsa pfungwa Pfungwa C, nekuda kwekutapurirana uye kuratidzwa kwechiratidzo paAB, chiratidzo chehupamhi chine upamhi hwekaviri nguva yekunonoka kwechiratidzo cheAB iyo, iyo, inokonzerwa. Uku ndiko kuyambuka-kukanganiswa pakati pemasaini. Iko kusimba kwechiratidzo chekuvhiringidza kunoenderana neiyo di / pachiratidzo panguva yekuita c uye chinhambwe pakati pemitsetse. Kana iwo miviri masaini masaini haisati yakareba kwenguva refu, izvo zvaunoona paAB ari kunyatso superition yemapuranga maviri.

Iyo micro-kutonga yakagadzirwa neCMOS tekinoroji ine yakakwira yekuisa kusakwana, ruzha rukuru, uye ruzha ruzha rwekushivirira. Iyo Dhigirii yeDhijitari inotarisirwa ne 100 ~ 200mv ruzha uye haina kukanganisa kushanda kwayo. Kana iyo AB mutsara uri mumufananidzo chiratidzo cheAnalog, uku kupindira kunoitika kunoshamisa. Semuenzaniso, bhodhi redunhu rakadhindwa chikamu chesango, imwe ivhu rakakura, kana bhodhi rakaringana, uye kana iyo side of the sign line inzvimbo yakakura inzvimbo yakakura, muchinjiko wepakati pakati pemasaini anoderedzwa. Icho chikonzero ndechekuti nzvimbo yakakura yevhu inoderedza hunhu husina simba remutsara wechiratidzo, uye kuratidzwa kwechiratidzo pamazwi e d end zvinoderedzwa zvakanyanya. Hunhu hwekusavimbika hunoshamisa kwazvo kune yakaenzana nedanho rekufa kweiyo svikiro kubva kune imwe chete mutsara kubva pasi, uye zvinoenderana neyakajairika logarithm yehukuru hwesvikiro. Kana iyo AB mutsara weAnalog chiratidzo, kuti udzivise kukanganisika kwechiratidzo chedhijitari yeCD kuenda kuAB. Inogona kuve yakavharidzirwa, uye waya dzepasi dzinoiswa mumagetsi okuruboshwe uye chaipo dzevatungamiri padivi neratungamira.

(4) Deredza ruzha kubva kune simba kuwanikwa
Nepo simba risina simba rinopa simba kune hurongwa, rinowedzerawo ruzha rwokuisa simba. Mutsetse wedzinza, mutsara wakapindira, uye mamwe mitsara yekudzora emicrococontroller mudunhu racho anonyanya kukanganiswa nekupindirana kubva pakurarama kwekunze. Kupindira kwakasimba pane simba grid kunopinda mudunhu kuburikidza neSimba Supply. Kunyangwe mune yebhatiri-yakagadzirirwa system, bhatiri pacharo ine ruzha-yakawanda ruzha. Iyo Analog chiratidzo muAnalog Dunhu haritombodzikamisa kukanganisika kukanganisika kubva kune simba.

. Uye zvikamu
Panyaya yekugara yakakwirira, inotungamira, vias, vissors, capacitors, uye yekuparadzaniswa uye yekubatanidza kwevakabatanidza pamushonga wedunhu redunhu harigone kufuratirwa. Iko kugoverwa kwakagoverwa kweMacacitor hakugone kufuratirwa, uye kugoverwa kwakagoverwa kweInductor hakugone kufuratirwa. Kupesana kunoburitsa kuratidzwa kwechiratidzo chemufudzi-frequency, uye kugona kwakagoverwa kwetungamira kuchaita basa. Kana urefu hwakakura kupfuura 1/20 yeiyo inoenderana wavelength ye inzwi frequency, antenna maitiro anogadzirwa, uye ruzha rwunoburitswa kuburikidza nekutungamira.

Iyo via makomba eiyo dunhu redunhu rinokonzeresa anenge 0.6 PF yekuwedzera.
Zvinyorwa zvekutakura zvechiteshi chakabatanidzwa pachayo chinosunungura 2 ~ 6pf capacitors.
Chikamu chekirabhu yedunhu chine kugoverwa kwakaparadzirwa kwe 520nh. Iyo Dual-in-line 24-PIN yakabatanidzwa dunhu redunhu rinosvitsa 4 ~ 18n akagoverwa mukurudziro.
Aya madiki madiki ekuparadzira paramita haana hanya mumutsara uyu wekuderera-frequency microcontroller system; kutarisisa kwakakosha kunofanirwa kubhadharwa kune yakakwirira-yekumhanyisa masisitimu.

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Nzvimbo yezvikamu zvezvikamu zvekirabhu yadhindwa chinofanira kunyatsoongorora dambudziko reAnti-Electromagnetic Kupindira. Imwe yemisimbe ndeyekuti inotungamira pakati pezvikamu zvinofanirwa kunge zvipfupi sezvinobvira. Muchimiro, iyo Analog chiratidzo chikamu, iyo yakakwira Dhigiri redunhu chikamu, uye ruzha rwechiratidzo, switches-risati rasvika

G Bata pasi waya waya
Pane bhodhi redunhu rakadhindwa, rombo reropa uye mutsara wepasi hwakanyanya kukosha. Nzira yakakosha kwazvo kukurira ma extromagnetic kupindira kune ivhu.
Kune maviri mapaneru, iyo pasi waya waya dhizaini kunyanya kunyanya. Kuburikidza nekushandiswa kweimwe-point-point buty, iyo simba uye ivhu rakabatana nedunhu redunhu rakadhindwa kubva pamigumo miviri yesimba rekuwanikwa kwesimba. Iyo Simba SWOPLY ine imwe yekuonana uye pasi ine imwechete yekuonana. Padirazi redunhu rakadhindwa, panofanirwa kuve nekudzoreredzwa kwakawanda pasi, iyo ichaunganidzwa pane yekuonana kwekusangana kwekudzosa simba, iyo inonzi inonzi imwechete-point-point. Iyo inonzi Analog Ground, Dhijitari Ground, uye yakakwirira-simba mudziyo pasi kutsemuka kunoreva kuparadzaniswa kwe wiring yewiring, uye pakupedzisira zvese zvinoshandura kune ino nzvimbo yekuisa. Paunenge uchibatanidza nezviratidzo zvimwe kunze kwekudhindwa matunhu ematunhu, tambo dzakachengetedzwa dzinowanzo kushandiswa. Kwenguva yakareba uye masaini emadhijitari, magumo ese emigwagwa yakadzivirirwa akaiswa pasi. Mumwe mugumo weiyo mharadziro yetambo yekudzika-frequency analog chiratidzo chinofanira kuvharwa.
Matunhu anoterera kwazvo kune ruzha uye kupindira kana matunhu ayo akanyanya-frequency-frequency ruzha anofanira kuvharidzirwa nekavha yesimbi.

(7) Shandisa decoupling capacitors zvakanaka.
Iyo yakanaka yakakwira-frequency decoupling capacitor inogona kubvisa zvikamu zvepamusoro-famba zvakakwirira se 1GHZ. Ceramic chip capacitors kana multilayer calamic capacitors ane zvirinani-frequency maitiro. Paunenge uchigadzira bhodhi redunhu rakadhindwa, iyo decoupling capacitor inofanira kuwedzerwa pakati pesimba nenyika yedunhu rimwe nerimwe rakabatanidzwa. Iyo yekuzvishongedza emacouplititor ine mabasa maviri: pane rimwe ruoko, iri simba rekuchengetera redunhu rakabatanidzwa, rinopa simba rekuchaja uye rinoburitsa panguva yekuvhura uye kuvhara dunhu rakabatanidzwa; Kune rimwe divi, iyo inopfuura neyakawandisa-frequency ruzha rwemushini. Iyo yakajairika yekudhonza capacitor yeiyo 4.1uf mumatunhu akagoverwa Ruzha runenge rwunoita.

1UF, 10uf capacitors, iyo yakafanana yekuisa mari frequency iri pamusoro 20mhz, mhedzisiro yekubvisa yakakwira frequency ruzha iri nani. Zvinowanzobatsira kushandisa 1UF kana 10UF DE-High Frewarcy capacitititrititititititititititititititit yekutarisa yakadhindwa, kunyange kuitira mabhatiri-ebhatiri.
Zvikamu gumi zvega zvezvikamu zvakabatanidzwa zvinodaidzira kuti uwedzere kubhadharisa uye discharge capacitor, kana kudanwa chengetedzo capacitor, saizi ye capacitor inogona kuve 10f. Izvo zvakanaka kusashandisa electrolytic capacitors. Electrolytic capacitors inokandwa neyakagadzirirwa maviri e pu firimu. Izvi zvakakungurutsa chimiro chinoita senge chinongedzo kumisha mikuru. Izvo zvakanaka kushandisa bile capacitor kana polycarbonate capacitor.

Kusarudzwa kweiyo decoupling capacitor kukosha haina kunyanyisa, inogona kuverengerwa maererano neC = 1 / f; Ndokunge, 0.1uf ye 10mhz, uye yehurongwa hwakaumbwa nemicrocontroller, inogona kuve pakati pe0.1UF uye 0.01UF.

3. Zvimwe chiitiko mukuderedza ruzha uye electromagnic kukanganiswa.
. Yakakwira-mhanyisa chips inoshandiswa munzvimbo dzinokosha.
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(3) Edza kupa imwe nzira yekudzvinyirira kune dzokorora, nezvimwe.
(4) Shandisa yakaderera frequency yekufambisa iyo inosangana nehurongwa hwegadziriro.
. Icho chigamba cheQuartz Crystal Osilcilator inofanira kuvharwa.
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. Chikwangwani chinopinda muchirongwa chakadhindwa chinofanira kusekwa, uye chiratidzo kubva munzvimbo ine ruzha chinofanirawo kuseedzerwa. Panguva imwecheteyo, nhevedzano yematare emaronda inofanira kushandiswa kuderedza chiratidzo chiratidzo.
. Kupera kwedunhu rakabatanidzwa rinofanira kubatana kune iro remagetsi nzvimbo rinofanira kubatana nazvo, uye hazvifanirwe kusiiwa zvichidaro.
. Iyo yakanaka yekuisa terminal yeiyo isina kushandiswa yekushandisa amplifier inofanira kuvharwa, uye iyo isina kunaka yekuisa terminal inofanira kubatana kune iyo yekubuditsa terminal. .
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. Iyo rondedzero yemagetsi uye mutsara wepasi unofanirwa kunge wakakora sezvinobvira. Kana hupfumi huri nani, shandisa multleyer bhodhi kuti uderedze kufungisisa kwesimba kwesimba rekugovera uye pasi.
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(18) Mutsetse unokosha unofanirwa kunge wakakora sezvinobvira, uye pasi rinodzivirira rinofanira kuwedzerwa pamativi ese maviri. Mutsara wakakwira-kumhanya unofanirwa kunge wakapfupika uye wakananga.
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(22) Usaumbe chiuno chechiratidzo chero chipi zvacho. Kana zvisingadzivisiki, ita kuti loop nzvimbo zvidiki sezvinobvira.
(23) Imwe yekushongedza imwe capacitor yedunhu rakabatana. Iyo diki yakakwira-frequency bypass capacitor inofanira kuwedzerwa kune yega yega electrolytic capacitor.
. Paunenge uchishandisa tubular capacitors, nyaya yacho inofanira kuvharwa.

04
Protel inowanzo shandiswa kiyi pfupi
Peji kumusoro zoom in neiyo mbeva sekamuri
Peji pasi zoom kunze neiyo mbeva sekamuri.
Imba Center chinzvimbo chakanongedzwa neiyo mbeva
Kupera Refresh (Redraw)
* Switch pakati pezvikamu zvepamusoro uye pasi pasi
+ () Shandura danda rinoti: "+" "Uye" - "vari munzira yakatarisana
Q mm (millimeter) uye mil (mil) unit switch
Im matanho kureba pakati pemapepa maviri
E X edit x, x ndiyo yekugadzirisa chinangwa, kodhi iri seinotevera: (a) = arc; (C) = chinhu; (F) = zadza; (P) = pad; (N) = network; (S) = hunhu; (T) = waya; (V) = kuburikidza; (I) = mutsara unobatanidza; (G) = yakazadzwa polygon. Semuenzaniso, kana iwe uchida kugadzirisa chikamu, chengetedza EC, iyo mbeva pointer ichaonekwa "gumi", tinya kuti ugadzirise
Izvo zvikamu zvakarongeka zvinogona kurongedzerwa.
P x Nzvimbo X, X ndiyo nzvimbo yekuisa, iyo kodhi yakafanana kumusoro.
M x inofamba x, x ndicho chinangwa chinofamba, (a), (c), (f), (p), (s), (v), (i) = flip sarudzo chikamu; (O) Tenderedza chisarudzo chikamu; (M) = fambisa chisarudzo chikamu; (R) = kudzosera mari.
S x sarudza x, x ndiyo yakasarudzwa zvemukati, iyo kodhi iri seinotevera: (i) = nzvimbo yemukati; (O) = nzvimbo yekunze; (A) = zvese; (L) = zvese padenga; (K) = yakavharwa chikamu; (N) = network yemuviri; (C) = mutsara wekubatanidza muviri; (H) = pad ine yakataurwa yakarongwa; (G) = pad kunze kweiyo grid. Semuenzaniso, kana iwe uchida kusarudza zvese, pinda SA, zvese zvemifananidzo mwenje kumusoro kuratidza kuti vakasarudzwa, uye iwe unogona kutevedzera, kujekesa mafaera akasarudzwa.