功放.drr

一个功放的电路。可以自己制作。已经画好的PCB

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NCDrill File Report For: 功放.PcbDoc   2008-12-10  13:36:54
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Layer Pair : Top Layer to Bottom Layer
ASCII RoundHoles File : 功放.TXT
EIA File   : 功放.DRL

Tool         Hole Size           Hole Type     Hole Count Plated       Tool Travel
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T1        27.6mil (0.70104mm)      Round          12               4.55 Inch (115.59 mm)
T2        31.5mil (0.8001mm)       Round          14               4.83 Inch (122.77 mm)
T3        35.4mil (0.89916mm)      Round          14               3.99 Inch (101.46 mm)
T4        39.4mil (1.00076mm)      Round          11               5.98 Inch (151.96 mm)
T5        137.8mil (3.50012mm)     Round          4                6.61 Inch (168.00 mm)
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Totals                                            55               25.98 Inch (659.78 mm)

Total Processing Time (hh:mm:ss) : 00:00:00