Uyilo olucwangcisiweyo
Inyathelo lokuqala lokuyila i-inverter circuit kukwenza umzobo weskimu.Lo mzobo uya kubonisa ukwakheka kweesekethe ngokubanzi kunye noqhagamshelwano phakathi kwamacandelo ahlukeneyo.Iinqununu eziphambili zesekethe ye-inverter yi-DC power supply, i-oscillator, isiphaluka somqhubi kunye ne-transistor yamandla.
Ubonelelo lwamandla eDC lubonelela ngamandla kwisekethe yokuguqula inverter.I-oscillator yenza i-square wave signal eya kusetyenziswa ukuqhuba i-transistor yamandla.Isiphaluka somqhubi sandisa umqondiso ovela kwi-oscillator kwaye unikezela ngoku ngokuyimfuneko ukuqhuba i-transistor yamandla.I-transistor yamandla ijika kwaye icime unikezelo lwe-DC ukwenza imveliso ye-AC.
Xa uyila iskimu, kubalulekile ukukhetha amacandelo afanelekileyo kwisicelo esijoliswe kuyo.Amacandelo akhethiweyo kufuneka akwazi ukuphatha amanqanaba ombane afunekayo kwaye abe ne-voltage efunekayo kunye nemilinganiselo yangoku.
uyilo loyilo lwePCB
Nje ukuba iskimu senziwe, inyathelo elilandelayo kukuyila uyilo lwePCB.Oku kubandakanya ukumisela indawo ebonakalayo yamacandelo kwi-PCB kunye nokuyila imikhondo yokudibanisa amacandelo.
Xa uyila uyilo lwePCB, kubalulekile ukukhumbula iimpawu zombane zesekethe.Ukubekwa kwamacandelo kunye nokuhanjiswa kweengcingo kunempembelelo enkulu ekusebenzeni kwesekethe.Kubalulekile ukunciphisa ubude beentambo kunye nokuphepha ukunqumla iingcingo ukwenzela ukunciphisa umngcipheko wokuphazamiseka.
Uyilo lwePCB kufuneka kwakhona luthathele ingqalelo imithintelo ebonakalayo yesicelo.ubungakanani kunye nokumila kwePCB kufuneka kuyilwe ukuba ilingane indawo ekhoyo kwaye ivumelane naziphi na iimfuno zokunyuka.
Isishwankathelo, ukuyila i-inverter yesekethe kubandakanya ukwenza umzobo weskim kunye nokuyila uyilo lwePCB.I-schematic ibonisa i-layout yesekethe ngokubanzi kunye noqhagamshelwano phakathi kwamacandelo.uyilo lwePCB lumisela indawo ebonakalayo yamacandelo kunye nendlela yeengcingo.Ukuqwalaselwa ngokucophelela kweempawu zombane kunye nezomzimba wesekethe kuyimfuneko ukuqinisekisa ukusebenza kakuhle.
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Ixesha lokuposa: Jun-13-2023