📄 frequency_doubler_with_4011.htm
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<title>Frequency doubler with 4011</title>
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<td width="100%" bgcolor="#800000"><p align="center"><em><font color="#FFFF00"
face="Arial"><big><strong>Frequency Doubler with 4011</strong></big></font></em></td>
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<td width="100%"><p align="center"><img src="Frequency_doubler_with_4011_a.gif" tppabs="http://users.otenet.gr/~athsam/Circuits/Frequency_doubler_with_4011_a.gif"
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<td width="100%"><font FACE="Tahoma" SIZE="2"><p ALIGN="JUSTIFY"> 刘酎
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