Dhinda redunhu redunhu (PCB) wiring rinoita basa rinokosha mumatunhu ekumhanya-mhanya, asi kazhinji ndezvekupedzisira matanho ekupedzisira mugadziriro yedunhu. Pane matambudziko mazhinji ane yakakwira PCB Wiring, uye yakawanda mabhuku yakanyorwa pane iyi nyaya. Chinyorwa ichi chinonyanya kukurukura nezve wiring yezvimire zvakakwirira kupfuura zvinoita semaonero anoshanda. Chinangwa chikuru ndechokubatsira vashandisi vatsva kuteerera kune zvakawanda zvakasiyana nyaya dzinoda kutariswa kana uchigadzira yepamusoro-speed dunhu redunhu. Chimwe chinangwa ndechekupa zvinyorwa zvekuongorora kune vatengi vasina kubata PCB Wiring kwenguva yakati. Nekuda kwekurongeka kwakadzika, chinyorwa ichi hachikwanise kukurukura nyaya dzese zvakadzama, asi isu tichazokurukura zvikamu zvakakosha zvine chekuita nekuvandudza kuita kwematunhu, nguva yekuchinjisa, uye kuponesa nguva yekuchinjisa.
Kunyangwe iyo huru yekutarisa pano iri pamatunhu ane hukamire-speed mashandiro emakwikwi, matambudziko uye nzira dzakurukurwa pano zvinowanzoshandiswa pakuridza mashandisirwo emamwe marefu. Kana iyo Operation Amplifier inoshanda mune yakanyanya redhiyo redhiyo (RF) frequency bhendi, kuita kwedunhu zvakanyanya kunoenderana nePCB chimiro. High-performation Circums dhizaini inotaridzika zvakanaka pa "dhizaini" inogona kungoita basa rakajairika kana dzikanganiswa nekusatarisira panguva yekusetsa. Pre-fungidziro uye kutarisisa kune zvakakosha mese pese pese pese pese kuchabatsira kuve nechokwadi chekutarisirwa kwematunhu.
Schematic Diagram
Kunyangwe hazvo schematic yakanaka isingakwanise kuvimbisa chero wiring yakanaka, wiring yakanaka inotanga neye yakanaka schematic. Fungisisa kana uchikwevera schematic, uye iwe unofanirwa kufunga nezve chiratidzo chinoyerera chedunhu rese. Kana paine yakajairika uye yakagadzikana chiratidzo kubva kuruboshwe kuenda kurudyi mu schematic, ipapo panofanirwa kuve neyakafanana chiratidzo chinoyerera pane PCB. Ipa ruzivo rwakawanda runobatsira sezvinobvira pane schematic. Nekuti dzimwe nguva dunhu redunhu rekugadzira harisi, vatengi vachatibvunza kuti tibatsire kugadzirisa dambudziko redunhu, vagadziri, nyanzvi uye mainjiniya vanoita basa iri zvichavonga zvikuru, kusanganisira isu.
Kuwedzera kune yakajairika zvirevo zviziviso, kushandiswa kwesimba, uye kukanganisa kushivirira, ndeupi ruzivo runofanira kupihwa mu schematic? Heano mamwe mazano ekutendeudza zvakajairika schematics mune yekutanga-kirasi schematics. Wedzera mavharavhi, ruzivo rwemuchina nezveganda, kureba kwemitsara yakadhindwa, nzvimbo dzisina chinhu; ratidza kuti izvo zvikamu zvinoda kuiswa paPCB; Ipa ruzivo rwekugadzirisa, kukosha kwehuwandu
Usatende chero munhu
Kana iwe usiri kugadzirisa iyo wiring iwe pachako, iva nechokwadi chekubvumira nguva yakakwana yekunyatso tarisa dhizaini yemunhu waunotenga. Kudzivirira kudiki kwakakodzera zana nguva mushonga uyu panguva ino. Usatarisira kuti munhu wandinenge achinzwisisa mazano ako. Maonero ako uye nhungamiro ndiyo inonyanya kukosha mumatanho ekutanga eaya wiring maitiro ekugadzira. Ruzivo rwakawanda rwaunogona kupa, uye zvakanyanya iwe paunopindira mune yese wiring maitiro, zviri nani PCB ichave. Gadza nzvimbo yekupedzisa yetentatete yekurova kwejini yekugadzira injini Iyi "yakavharwa loop" nzira inodzivirira wiring kubva pakutsausa, nekudaro kuderedza mukana webasa rebasa.
Mirayiridzo inoda kupihwa kune iyo Wiring Injiniya inosanganisira: Tsananguro pfupi yePCB ichiratidza nzvimbo, uye prodellow Systems Ndeapi masaini anodikanwa kune rimwe nerimwe reruwa; inoda kuiswa kwezvikamu zvakakosha; iyo chaiyo nzvimbo yekukonzera zvikamu; iyo yakadhindwa mitsara yakakosha; iyo mitsara inoda kudzora zvisina kufanira mitsara; Iyo mitsara inoda kuenderana nehurefu; saizi yezvikamu; iyo yakadhindwa mitsara inoda kuve kure (kana padyo ne) mumwe nemumwe; iyo mitsara inoda kuve kure kure (kana padyo ne) mumwe nemumwe; izvo zvikamu zvinoda kuve kure (kana kuvhara) kune mumwe nemumwe; Izvo zvikamu zvinoda kuiswa pamusoro pePCB, ndedzipi dzinoiswa pazasi. Usambonyunyuta kuti kune ruzivo rwakanyanya kune vamwe - zvishoma? Zvakawandisa here? Usa.
Chiitiko Chekudzidza: Makore anenge gumi apfuura, ndakadzikira multlayer pagomo redunhu-pane zvikamu pamativi ese ebhodhi. Shandisa yakawanda zviyero kugadzirisa bhodhi mune yegoridhe-yakarongedzwa aluminium shell (nekuti pane yakasimba anti-vibration zviratidzo). Iwo mapini anopa kusarura mipfupi kupfuura bhodhi. Iyi pini yakabatana nePCB nekutengesa waya waya. Ichi chishandiso chakaomarara. Zvimwe zvikamu pabhodhi zvinoshandiswa kuongororwa kwebvunzo (Sat). Asi ini ndakatsanangura zvakajeka nzvimbo yezvikamu izvi. Unogona kufungidzira kuti izvi zvikamu zvakaiswa here? Nenzira, pasi pebhodhi. Kana mainjiniya vechigadzirwa uye nyanzvi vaifanira kudzikisira mudziyo wose uye uunganidze mushure mekupedza marongero, zvaiita kunge zvisina mufaro. Ini handina kuita chikanganiso ichi zvakare kubva ipapo.
Chinzvimbo
Kungofanana nePCB, nzvimbo ndiyo zvese. Iko kwekuisa dunhu pane PCB, uko kunoisa izvo zvakananga zvikamu, uye ndedzipi dzimwe nzvimbo dziri kure, dzese dzakakosha.
Kazhinji, zvigaro zvekuisa, zvinobuda, uye simba renzvimbo zvakagadzirirwa, asi dunhu riri pakati pavo rinoda "kutamba kwavo kugona kwavo." Ndokusaka uchiita hanya kune wiring zvinyorwa zvicharaira hombe dzidzo. Kutanga nenzvimbo yezvikamu zvakakosha uye funga iyo yakatarwa dunhu uye iyo PCB yese. Taura nzvimbo yezvikamu zvakakosha uye nzira dzemumumanwo kubva pakutanga dzinobatsira kuti uve nechokwadi chekuti dhizaini rinosangana nezvinangwa zvekuita zvevanotarisirwa. Kuwana iyo yakakodzera dhizaini nguva yekutanga kunogona kuderedza mitengo uye kumanikidzwa-uye kupfupisa kutenderera kwekuvandudza.
Passpass Simba
Kupfuudza simba remagetsi pasimba remasvikiro eAmplifier kuitira kuti aderedze ruzha chikamu muPCB Dhizaini yekugadzira-inosanganisira mashandiro emashandisirwo emitambo kana mamwe madunhu akakwira. Kune maviri akajairika ekugadzirisa nzira dzekupfuura dzakakwira-kumhanya mashandiro emakwikwi emakwikwi.
Kugadziriswa kwesimba kwesimba Kazhinji, vaviri vanofanana vanokwana, asi vachiwedzera galite vaigona kubatsira mamwe matunhu.
Kubatana kwakasiyana kwehuwandu hwemacacitance tsika dzinobatsira kuti uve nechokwadi chekudziya kwekutanga Izvi zvinonyanya kukosha paFrequency Frequency yekuisa Operation Amplifier Simba Kugovera Ratio (PSR). Iyi capacitor inobatsira kudzoreredza iyo yakaderedzwa psr yeamplifier. Kuchengeta nzira yakaderera yekukanganisika pasi mune akawanda-octave marangi anobatsira kuona kuti ruzha runokuvadza harugone kupinda muOp amp. Mufananidzo 1 unoratidza zvakanakira kushandisa akawanda capacitors mukufananidza. Pakuderera kazhinji, mafuru makuru anopa yakaderera isina kukuvara nzira. Asi kana nguva yekugara ichisvika kune yavo yekudirana frequency, kugona kweiyo capacitor kuchaneta uye zvishoma nezvishoma kunooneka. Ndokusaka zvichikosha kushandisa akawanda capacitors: apo mhinduro yerefu yeimwe capacitor inotanga kudonha, iyo mimwe mhinduro yeimwe capacitor inotanga kushanda, saka inogona kuchengetedza yakaderera ac etisance mune akawanda-octave mugariro.
Tanga zvakananga nemagetsi ekugovera mapini eOp amp; Iyo capacitor ine diki yekugona uye diki yemuviri saizi inofanirwa kuiswa parutivi rumwe rwePCB sePPS AMP-uye pedyo sezvinobvira kune iyo amplifier. Iyo pasi terminal ye capacitor inofanira kuve yakabatana zvakananga kune iyo pasi ndege ine ipfupi pini kana yakadhindwa waya. Iyo yepasi pevhu yekubatanidza inofanirwa kunge iri pedyo sezvinobvira kune iyo mutoro terminal yeamplifier kuitira kuti uderedze kupindira pakati peiyo simba terminal.
Maitiro aya anofanirwa kudzokororwa kune capacitors neinotevera hukuru capacance kukosha. Zvakanaka kutanga neiyo shoma capacitance kukosha kwe 0.01 μf uye kuisa 2.2 μf (kana yakakura) Electrolytic capacitititor ine yakaderera yakaenzana kupokana (ESR) padyo neiri. Iyo 0.01 μf capacitor ine 0508 kesi saizi ine yakanyanya kuderera kutevedzana uye yakanakisa yakakwira frequency kuita.
Simba Simba Kuti Uwane Simba Iyi nzira inowanzoshandiswa kana yakaoma kugadzirisa gadziriro ina mudunhu. Kukanganisa kwayo ndechekuti saizi yemuchadenga inogona kuwedzera nekuti iyo voltage mhiri kwemuchadenga ndiyo kaviri kukosha kwekuvhenekera mune imwe chete-yekupa nzira. Kuwedzera iyo voltage inoda kuwedzera iyo yakadhindwa kuputsa voltage yechigadzirwa, kureva kuti, kuwedzera saizi yedzimba. Nekudaro, iyi nzira inogona kuvandudza psr uye kukanganisa kuita.
Nekuti dunhu rimwe nerimwe uye wiring rakasiyana, iko kurongwa, nhamba uye kukosha kwekugona kwe capacitors kunofanirwa kutsanangurwa maererano nezvinodiwa zve dunhu chairo.