Copper Cladding ee PCB
1. Haddii ay jiraan sababo badan oo PCB ah, sida SGND, AGND, GND, iwm, marka loo eego jagooyinka kala duwan ee dusha PCB, "dhulka" ugu muhiimsan waxaa loo isticmaalaa tixraac si madaxbannaan loo daboolo naxaasta, dhulka dhijitaalka ah. iyo dhulka analooga ah.Ma jiraan wax badan oo laga sheego daaha naxaasta si gooni gooni ah.Isla mar ahaantaana, ka hor inta aan la daboolin naxaasta, xargaha korantada ee u dhiganta ayaa marka hore dhumuc weyn leh: 5.0V, 3.3V, iwm. Sidan, qaabab badan oo qallafsan oo qaabab kala duwan ah ayaa la sameeyay.
Su'aal kasta, fadlan RFQ, halkan
9. Xakamaynta kuleylka kuleylka ee saddex-terminal korantada xasiliyaha waa in si fiican loo dejiyaa.Suunka go'doominta dhulka ee u dhow oscillator-ka crystal waa inuu ahaadaa mid si fiican u qotoma.Eray ahaan: haddii dahaadhka naxaasta ee PCB-ga si sax ah wax looga qabto, waxa hubaal ah inay noqon doonto "faa'iidooyin ka miisaan culus khasaarooyinka".Waxay yarayn kartaa aagga soo noqoshada ee xariiqda calaamadda waxayna yareyn kartaa faragelinta korantada ee calaamadda dibadda.
Wax badan naga ogow, eeg halkan .
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