Анна Габай (Редактор отдела «Силовые структуры»)
Мир Российская Премьер-лига|20-й тур
,这一点在新收录的资料中也有详细论述
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After a bit of poking, I found what looked to be a textbook quartz crystal resonant curve, but centered at 20 MHz rather than 10. This suggests there’s a divide-by-two in the driver circuit, perhaps to improve the duty cycle to a more perfect 50%. But more importantly, it suggests that neither the crystal itself, nor the electrical connections between it and the package (since I was probing at the package contacts and not the surface of the quartz), were the source of the failure.
,详情可参考新收录的资料
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toxic markers, and outreach to those sites.。业内人士推荐新收录的资料作为进阶阅读