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<title><![CDATA[Hội Quán Điện Tử]]></title> 
<link>http://hoiquandientu.com/index.php</link> 
<description><![CDATA[Hội Quán Điện Tử]]></description> 
<language>vi</language> 
<copyright><![CDATA[Hội Quán Điện Tử]]></copyright>
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<link>http://hoiquandientu.com/read.php?186</link>
<title><![CDATA[Lọc thông cao tích cực dùng LM741]]></title> 
<author>biendt &lt;biendt.biendt@gmail.com&gt;</author>
<category><![CDATA[Mạch lọc]]></category>
<pubDate>Tue, 27 Jul 2010 03:46:22 +0000</pubDate> 
<guid>http://hoiquandientu.com/read.php?186</guid> 
<description>
<![CDATA[ 
	<a href="http://hoiquandientu.com//images/stories/Ung-Dung/Bo-loc/Loc%20thong%20cao%20tich%20cuc%20dung%20LM741.jpg" target="_blank"><img src="http://hoiquandientu.com//images/stories/Ung-Dung/Bo-loc/Loc%20thong%20cao%20tich%20cuc%20dung%20LM741.jpg" class="insertimage" alt="Bấm xem ảnh ở cửa sổ mới" title="Bấm xem ảnh ở cửa sổ mới" border="0" width="500" height="500"/></a><br/><br/>Đây là mạch lọc thông cao dùng lm741 ! High Pass Active Filter by LM741<br/><br/>Cutoff = 1/3.14xRC<br/>R = R1 =R2<br/>C = C1 = C2<br/>Value Show<br/>0 dB = 750 Hz<br/>-3 dB = 350Hz<br/>-35 dB = 60Hz
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<link>http://hoiquandientu.com/read.php?185</link>
<title><![CDATA[Bộ lọc cắt tần số 60HZ dùng LM 741]]></title> 
<author>biendt &lt;biendt.biendt@gmail.com&gt;</author>
<category><![CDATA[Mạch lọc]]></category>
<pubDate>Tue, 27 Jul 2010 03:45:39 +0000</pubDate> 
<guid>http://hoiquandientu.com/read.php?185</guid> 
<description>
<![CDATA[ 
	<a href="http://hoiquandientu.com//images/stories/Ung-Dung/Bo-loc/Bo%20loc%20cat%20tan%20so%2060hz%20dung%20lm%20741.jpg" target="_blank"><img src="http://hoiquandientu.com//images/stories/Ung-Dung/Bo-loc/Bo%20loc%20cat%20tan%20so%2060hz%20dung%20lm%20741.jpg" class="insertimage" alt="Bấm xem ảnh ở cửa sổ mới" title="Bấm xem ảnh ở cửa sổ mới" border="0" width="500" height="500"/></a><br/><br/>
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<link>http://hoiquandientu.com/read.php?184</link>
<title><![CDATA[Lọc thông thấp (tích cực) dùng LM 741]]></title> 
<author>biendt &lt;biendt.biendt@gmail.com&gt;</author>
<category><![CDATA[Mạch lọc]]></category>
<pubDate>Tue, 27 Jul 2010 03:45:00 +0000</pubDate> 
<guid>http://hoiquandientu.com/read.php?184</guid> 
<description>
<![CDATA[ 
	<a href="http://hoiquandientu.com//images/stories/Ung-Dung/Bo-loc/Loc%20thong%20thap%20dung%20Lm741.jpg" target="_blank"><img src="http://hoiquandientu.com//images/stories/Ung-Dung/Bo-loc/Loc%20thong%20thap%20dung%20Lm741.jpg" class="insertimage" alt="Bấm xem ảnh ở cửa sổ mới" title="Bấm xem ảnh ở cửa sổ mới" border="0" width="500" height="500"/></a><br/><br/>Mạch ứng dụng của khuếch đại thuật toán
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<link>http://hoiquandientu.com/read.php?183</link>
<title><![CDATA[Bộ lọc cắt tạp nhiễu dùng Transitor]]></title> 
<author>biendt &lt;biendt.biendt@gmail.com&gt;</author>
<category><![CDATA[Mạch lọc]]></category>
<pubDate>Tue, 27 Jul 2010 03:43:56 +0000</pubDate> 
<guid>http://hoiquandientu.com/read.php?183</guid> 
<description>
<![CDATA[ 
	<a href="http://hoiquandientu.com//images/stories/Ung-Dung/Bo-loc/Bo%20loc%20cat%20nhieu%20dung%20Transitor.jpg" target="_blank"><img src="http://hoiquandientu.com//images/stories/Ung-Dung/Bo-loc/Bo%20loc%20cat%20nhieu%20dung%20Transitor.jpg" class="insertimage" alt="Bấm xem ảnh ở cửa sổ mới" title="Bấm xem ảnh ở cửa sổ mới" border="0" width="500" height="500"/></a>
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<link>http://hoiquandientu.com/read.php?182</link>
<title><![CDATA[Mạch lọc RC ghép đôi]]></title> 
<author>biendt &lt;biendt.biendt@gmail.com&gt;</author>
<category><![CDATA[Mạch lọc]]></category>
<pubDate>Tue, 27 Jul 2010 03:43:04 +0000</pubDate> 
<guid>http://hoiquandientu.com/read.php?182</guid> 
<description>
<![CDATA[ 
	<a href="http://hoiquandientu.com//images/stories/Ung-Dung/Bo-loc/bo%20loc%20ghep%20doi.gif" target="_blank"><img src="http://hoiquandientu.com//images/stories/Ung-Dung/Bo-loc/bo%20loc%20ghep%20doi.gif" class="insertimage" alt="Bấm xem ảnh ở cửa sổ mới" title="Bấm xem ảnh ở cửa sổ mới" border="0" width="500" height="500"/></a><br/><br/>Bộ lọc ghép đôi lọc cắt có thể sử dụng ngăn tần số. 
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