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flyglory 2014-11-25 15:55: 几款主流pcb软件比较; 1、Altium公司 Protel Altium Designer 10 P—CAD 2006 原名Protel，经典版本是Protel 99 se(还有个功能增强补丁SP6，用的时 ...; 1077 13 0 13

pcb

flyglory 2014-11-25 14:02: 印制电路板设计要求-SMD元器件封装库尺寸要求; 印制电路板设计要求-SMD元器件封装库尺寸要求; 743 14 0 14

smd元器件封装库尺寸

flyglory 2014-11-24 15:12: NPN Transistor; The NPN Transistor In the previous tutorial we saw that the standard Bipolar Transistor or BJT, comes in two basic forms. An NPN ( Negative- Po ...; 1952 24 0 24

transistor npn

flyglory 2014-11-23 16:08: SMD Package Footprint/Dimension/Datasheet; Well these are the commonly used smd IC footprint that I have collected so far... SMD Package Footprint/Dimension/Datasheet ...; 2879 28 0 28

smd package

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