?? lm389制作的遠程fm發射電路.htm
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</TD>
<TD bgColor=#cccccc colSpan=6> <FONT face=??ì? color=#0000ff
size=2> <A
onclick="javascript:window.external.AddFavorite('http://asp3.6to23.com/songsdiy', '松勝電子制作')"
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onclick="this.style.behavior='url(#default#homepage)';this.setHomePage('http://asp3.6to23.com/songsdiy');"
href="">設為首頁</A></FONT> </TD></TR>
<TR>
<TD><IMG height=80 src="LM389制作的遠程FM發射電路.files/logo..gif" width=200></TD>
<TD colSpan=6>
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name=Image10></A></TD></TR></TBODY></TABLE><!-- InstanceBeginEditable name="1" -->
<TABLE cellSpacing=0 cellPadding=0 width=780 border=0>
<TBODY>
<TR>
<TD width=152 background=LM389制作的遠程FM發射電路.files/temp-bgL.jpg
height=558> </TD>
<TD width=628 background=LM389制作的遠程FM發射電路.files/dack5.gif>
<P class=unnamed1 align=center><FONT color=#00cccc
size=3><STRONG>用LM389制作的遠程FM發射電路</STRONG></FONT><BR>下圖為用美國國半的集成電路制作的一款遠程無線發射電路，它配合良好的調頻收音機可以發射1KM的距離，電路中的電感用直徑0.50mm的漆包線繞成直徑6mm的空心線圈,其中心抽頭.具體是L1,L3均為6匝,中心抽頭.
L2為3匝,中心抽頭.其性能要比晶體管制作的電路較穩定.以下是實際制作的圖片和電路原理圖.愛好者可以自已動手制作.<BR><IMG
height=441 src="LM389制作的遠程FM發射電路.files/LM389-SCH.gif" width=472>
</P></TD></TR>
<TR bgColor=#ffffff>
<TD colSpan=2><IMG height=20
src="LM389制作的遠程FM發射電路.files/bottom%20-L-bg.gif" width=780></TD></TR>
<TR bgColor=#00ccff>
<TD colSpan=2>
<TABLE cellSpacing=0 cellPadding=0 width=780 border=0>
<TBODY>
<TR>
<TD> </TD></TR>
<TR bgColor=#cccccc>
<TD> <FONT color=#0033ff>All the copyrights ©2003
reserved</FONT></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE><!-- InstanceEndEditable --><!-- InstanceEnd --></BODY></HTML>
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