1. Common PCB sekit osisi ọdịda na-tumadi lekwasị na components, dị ka capacitors, resistors, inductors, diodes, triodes, ubi mmetụta transistors, wdg The integrated ibe na crystal oscillators na-doro anya mebiri emebi, na ọ bụ ihe kensinammuo ikpe ikpe ọdịda. n'ime ihe ndị a ...
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