📄 红外测障电路.htm
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vAlign=bottom bgColor=#d1d9e2>__________________________<BR>My Blog:
<BR><BR>http://wudi_01.blogcn.com </TD></TR>
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align=left width="19%" bgColor=#d1d9e2><IMG height=1 src=""
width=7>2006-02-10,21:44:45 </TD>
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vAlign=top align=left width="19%" bgColor=#e8e8e8 rowSpan=2>【3楼】 <FONT
color=#000000>wudi 无敌</FONT><BR><IMG height=120
src="红外测障电路.files/armok01148898.jpg" width=120><BR>积分：<FONT
color=#000000>567</FONT><BR>派别：<FONT color=#000000></FONT><BR>等级：<FONT
color=#000000>------</FONT><BR>来自：<FONT color=#000000>上海</FONT><BR></TD>
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color=#000000>乍一看还以为彩虹兄发的。。。。。</FONT> </TD></TR>
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vAlign=bottom bgColor=#e8e8e8>__________________________<BR>My Blog:
<BR><BR>http://wudi_01.blogcn.com </TD></TR>
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align=left width="19%" bgColor=#e8e8e8><IMG height=1 src=""
width=7>2006-02-10,21:47:32 </TD>
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vAlign=top align=left width="19%" bgColor=#d1d9e2 rowSpan=2>【4楼】 <FONT
color=#000000>HJJourAVR </FONT><BR>积分：<FONT
color=#000000>4933</FONT><BR>派别：<FONT color=#000000></FONT><BR>等级：<FONT
color=#000000>------</FONT><BR>来自：<FONT color=#000000></FONT><BR></TD>
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color=#000000>方波发生器加锁相环检测，抗干扰能力很强。 <BR>LM567好用又便宜，很常用。 <BR><BR>这个电路没有加入调制。
<BR><BR>即使使用38K有源晶振，接收也需要选频才好，锁相环检测是不错的选择(CD4046，LM567)</FONT> </TD></TR>
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bgColor=#d1d9e2>__________________________<BR>因为有些事情 我知道你不知道，
<BR>也有一些事情 你知道我不知道， <BR>还有些事情 他知道你我不知道， <BR>所有这些事情 说了大家才知道。
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align=left width="19%" bgColor=#d1d9e2><IMG height=1 src=""
width=7>2006-02-11,09:06:06 </TD>
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vAlign=top align=left width="19%" bgColor=#e8e8e8 rowSpan=2>【5楼】 <FONT
color=#000000>zhou_1989 </FONT><BR>积分：<FONT
color=#000000>191</FONT><BR>派别：<FONT color=#000000></FONT><BR>等级：<FONT
color=#000000>------</FONT><BR>来自：<FONT color=#000000>上海</FONT><BR></TD>
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color=#000000>567锁相，因为频率飘了也无所谓。</FONT> </TD></TR>
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bgColor=#e8e8e8>__________________________<BR>Deram dream
<BR>Dream every Day </TD></TR>
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align=left width="19%" bgColor=#e8e8e8><IMG height=1 src=""
width=7>2006-02-11,09:08:28 </TD>
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vAlign=top align=left width="19%" bgColor=#d1d9e2 rowSpan=2>【6楼】 <FONT
color=#000000>ghost2 </FONT><BR>积分：<FONT
color=#000000>700</FONT><BR>派别：<FONT color=#000000></FONT><BR>等级：<FONT
color=#000000>------</FONT><BR>来自：<FONT color=#000000></FONT><BR></TD>
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color=#000000>HJJourAVR兄，图中用LM567第五脚输出来调制的。 <BR>不过可调电阻太多了。
<BR>还有，输入输出未加放大，不知道检测距离咋样。 <BR></FONT></TD></TR>
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vAlign=bottom bgColor=#d1d9e2> </TD></TR>
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align=left width="19%" bgColor=#d1d9e2><IMG height=1 src=""
width=7>2006-02-11,19:05:58 </TD>
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