1. Uma ziningi PCB umhlabathi, i-SGND, i-AGND, i-GND, njll, kuyadingeka ukusebenzisa “umhlabathi” obaluleke kakhulu njengereferensi yokugqoka ithusi ngokuzimela ngokuya ngesikhundla sebhodi le-PCB elihlukile. Kulula ukusho ukuthi umhlabathi wedijithali nomhlabathi we-analogi kusetshenziselwa ngokwehlukile ukumboza ithusi. 5.0V, 3.3V, njll. Ngale ndlela, kwakhiwa izakhiwo eziningi zokusonteka zezimo ezihlukile.

2, ngokuxhumeka kwephoyinti elilodwa elihlukile, indlela ihamba ngokumelana no-0 ohms noma ubuhlalu kazibuthe noma ukuxhumana kwe-inductance;

I-3, i-crystal oscillator eseduze nokumbozwa kwethusi, i-crystal oscillator isekethe ingumthombo wokukhipha imvamisa ephezulu, indlela ukuzungeza ingubo yethusi ye-crystal oscillator, bese kuthi igobolondo le-crystal oscillator lihlukaniswe ngokwehlukana.

4, inkinga yesiqhingi (indawo efile), uma izizwa inkulu kakhulu, chaza umgodi ukuyifaka akuyona inkinga enkulu.

5, ekuqaleni kwentambo, kufanele kube nokulingana okulinganayo komhlaba, lapho ucingo kufanele lube luhle, alunakuthembela ekumbathiseni ithusi ngokungeza izimbobo ukuqeda ukuxhumeka kwephini, lo mphumela mubi kakhulu.

6, ebhodini bekungcono angabi nayo i-Angle ebukhali (= 180 degrees), ngoba kusukela ekubukeni kwe-electromagnetism, lokhu kwakha i-antenna yokudlulisa!

I-7, ungqimba oluphakathi olunezingqimba eziningi lwendawo evulekile yezintambo, ayisebenzi ithusi. Ngoba kunzima kakhulu ukwenza leli phakethe lethusi libe “nesisekelo esihle.”

I-8, insimbi engaphakathi kwemishini, njenge-radiator yensimbi, umugqa wensimbi yokuqinisa, kufanele ifinyelele “isisekelo esihle”.

9, umlawuli wokugcina we-block dissipation metal block, kufanele kube yisisekelo esihle. Ibhande lokuhlukanisa isisekelo eduze kwe-crystal oscillator kufanele libe phansi kahle. Ngamafuphi: ukumbozwa kwethusi ku-PCB, uma inkinga yokuxazulula inkinga kusingathwa kahle ngayo, ngokuqinisekile “kuhle kakhulu kunokubi”, kunganciphisa indawo yokubuyela emuva kulayini wesiginali, kunciphise ukuphazanyiswa kwangaphandle kwe-electromagnetic.