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	<title>Circuit Project Electronic &#187; microphone preamplifier</title>
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	<link>http://www.eleccircuit.com</link>
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		<title>A microphone from the speaker</title>
		<link>http://www.eleccircuit.com/a-microphone-from-the-speaker/</link>
		<comments>http://www.eleccircuit.com/a-microphone-from-the-speaker/#comments</comments>
		<pubDate>Sat, 18 Sep 2010 10:18:21 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Audio - Alarm]]></category>
		<category><![CDATA[basic electronics]]></category>
		<category><![CDATA[microphone preamplifier]]></category>
		<category><![CDATA[microphone with speaker]]></category>
		<category><![CDATA[small speaker]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/?p=8852</guid>
		<description><![CDATA[Operation of the circuit. be When entering the power supply circuit for Q1 will work as an amplifier in common base.That matching the input impedance of the Impact of Impact Speaker impedance low.When signal sound into the speakers.Audio is converted to electrical signals through C2.In addition, C2 to prevent voltage direct current flows into the [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Microphone Preamplifier with SSM 2015</title>
		<link>http://www.eleccircuit.com/microphone-preamplifier-with-ssm-2015/</link>
		<comments>http://www.eleccircuit.com/microphone-preamplifier-with-ssm-2015/#comments</comments>
		<pubDate>Fri, 21 Nov 2008 15:05:54 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Pre Amplifier - microphone preamp]]></category>
		<category><![CDATA[low noise pre mic]]></category>
		<category><![CDATA[microphone preamplifier]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/?p=3723</guid>
		<description><![CDATA[An ultra low noise audio preamplifier particularly suited to microphone preamplification including balanced microphones. The IC features wide bandwidth, low distortion only 0.007% at a gain of 100, and very low noise only 1.3nV/Hz for source impedance s up to 4kohm. Related Links Pre Microphone low impedance using TL084 ECM Mic Preamplifier by BC549 Portable [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Easy Sound Card Microphone</title>
		<link>http://www.eleccircuit.com/easy-sound-card-microphone/</link>
		<comments>http://www.eleccircuit.com/easy-sound-card-microphone/#comments</comments>
		<pubDate>Thu, 26 Jul 2007 20:22:32 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Audio - Alarm]]></category>
		<category><![CDATA[basic electronics]]></category>
		<category><![CDATA[microphone preamplifier]]></category>
		<category><![CDATA[sound card usb]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/easy-sound-card-microphone/</guid>
		<description><![CDATA[Below is the microphone circuit diagram for sound card system. I crack my microphone sound blaster type. Related Links More circuit about microphone preamplifier More circuit about sound card usb PCM2902 Soundcard with Microphone Input USB sound card Computer Microphone by BC547]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/easy-sound-card-microphone/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>LOW Impedane Microphone Preamplifier by IC TL084</title>
		<link>http://www.eleccircuit.com/low-impedane-microphone-preamplifier-by-ic-tl084/</link>
		<comments>http://www.eleccircuit.com/low-impedane-microphone-preamplifier-by-ic-tl084/#comments</comments>
		<pubDate>Mon, 25 Jun 2007 07:47:47 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Pre Amplifier - microphone preamp]]></category>
		<category><![CDATA[microphone preamplifier]]></category>
		<category><![CDATA[TL084]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/low-impedane-microphone-preamplifier-by-ic-tl084/</guid>
		<description><![CDATA[LOW Impedane Microphone Preamplifier by IC TL084 Related Links More circuit about TL084 More circuit microphone preamplifier More Circuit Pre Mic Microphone Preamplifier by IC TL084 Pre MIC (microphone preamplifier) 3 CH by IC LM348 Two Microphone Preamplifier by BC109 Dynamic Microphone Preamp Mono by Transister C945 Dynamic Microphone Preamp]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Computer Microphone by BC547</title>
		<link>http://www.eleccircuit.com/computer-microphone-by-bc547/</link>
		<comments>http://www.eleccircuit.com/computer-microphone-by-bc547/#comments</comments>
		<pubDate>Mon, 25 Jun 2007 06:31:02 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Pre Amplifier - microphone preamp]]></category>
		<category><![CDATA[BC547]]></category>
		<category><![CDATA[computer microphone]]></category>
		<category><![CDATA[microphone preamplifier]]></category>
		<category><![CDATA[Pre-MIC]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/computer-microphone-by-bc547/</guid>
		<description><![CDATA[Notes: This circuit was submitted by Lazar Pancic from Yugoslavia. The sound card for a PC generally has a microphone input, speaker output and sometimes line inputs and outputs. The mic input is designed for dynamic microphones only in impedance range of 200 to 600 ohms. Lazar has adapted the sound card to use a [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>6 Input Mixer by IC 741 , LF351 ,TL071</title>
		<link>http://www.eleccircuit.com/6-input-mixer-by-ic-741-lf351-tl071/</link>
		<comments>http://www.eleccircuit.com/6-input-mixer-by-ic-741-lf351-tl071/#comments</comments>
		<pubDate>Mon, 25 Jun 2007 06:26:38 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[741]]></category>
		<category><![CDATA[Audio - Alarm]]></category>
		<category><![CDATA[Pre Amplifier - microphone preamp]]></category>
		<category><![CDATA[audio mixer]]></category>
		<category><![CDATA[LF351]]></category>
		<category><![CDATA[microphone preamplifier]]></category>
		<category><![CDATA[TL071]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/6-input-mixer-by-ic-741-lf351-tl071/</guid>
		<description><![CDATA[Description: A simple mixer with 3 line inputs and 3 mic inputs using commonly available parts. Notes: The mixer circuit below has 3 line inputs and 3 mic inputs. The mic inputs are suitable for low impedance 200-1000R dynamic microphones. An ECM or condenser mic can also be used, but must have bias applied via [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/6-input-mixer-by-ic-741-lf351-tl071/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Mini Stereo MIXER MIC-LINE for PC Audio Card</title>
		<link>http://www.eleccircuit.com/mini-stereo-mixer-mic-line-for-pc-audio-card/</link>
		<comments>http://www.eleccircuit.com/mini-stereo-mixer-mic-line-for-pc-audio-card/#comments</comments>
		<pubDate>Mon, 28 May 2007 14:47:51 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[circuit com]]></category>
		<category><![CDATA[Pre Amplifier - microphone preamp]]></category>
		<category><![CDATA[Circuit diagram]]></category>
		<category><![CDATA[microphone preamplifier]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/mini-stereo-mixer-mic-line-for-pc-audio-card/</guid>
		<description><![CDATA[Source : http://users.otenet.gr/~athsam/audio_mixer_pc.htm Most cards of sound in computer, are deprived stereo input for microphone, on the contrary have stereo input for high level [ Line ]. The circuit uses the input Line of card of sound, in order to we place a two mono stereo microphone, in the input of card of sound. Simultaneously [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/mini-stereo-mixer-mic-line-for-pc-audio-card/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Pre MIC (microphone preamplifier) 2 CH by IC NE5532 or LF353</title>
		<link>http://www.eleccircuit.com/pre-mic-microphone-preamplifier-2-ch-by-ic-ne5532-or-lf353/</link>
		<comments>http://www.eleccircuit.com/pre-mic-microphone-preamplifier-2-ch-by-ic-ne5532-or-lf353/#comments</comments>
		<pubDate>Thu, 24 May 2007 18:51:53 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Pre Amplifier - microphone preamp]]></category>
		<category><![CDATA[LF353]]></category>
		<category><![CDATA[microphone preamplifier]]></category>
		<category><![CDATA[NE5532]]></category>
		<category><![CDATA[Pre-MIC]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/pre-mic-microphone-preamplifier-2-ch-by-ic-ne5532-or-lf353/</guid>
		<description><![CDATA[This be Pre Mic circuit or Microphone preamplifier circuit model 2 CH. By this circuit uses integrated number circuit NE5532 or LF353. It perform enlarge sound signal from Dynamic Micro phone give the power goes up for subsequently submit to go to still stereo power amplifier circuit next. This circuit be of good quality good [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/pre-mic-microphone-preamplifier-2-ch-by-ic-ne5532-or-lf353/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Two Microphone Preamplifier by BC109</title>
		<link>http://www.eleccircuit.com/two-microphone-preamplifier-by-bc109/</link>
		<comments>http://www.eleccircuit.com/two-microphone-preamplifier-by-bc109/#comments</comments>
		<pubDate>Fri, 11 May 2007 05:44:01 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Pre Amplifier - microphone preamp]]></category>
		<category><![CDATA[microphone preamplifier]]></category>
		<category><![CDATA[Pre-Amplifier]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/two-microphone-preamplifier-by-bc109/</guid>
		<description><![CDATA[circuit Two Microphone Preamplifier by BC109 Related Links More circuit microphone preamplifier More Circuit Pre Mic Microphone Preamplifier by IC TL084 Pre MIC (microphone preamplifier) 3 CH by IC LM348 More circuit Power Amplifier More circuit Power Amplifier Mosfet Power Amplifier OCL 100W Mosfet J162 + K1058 Power Amp OCL 100W by Transister MJ15003,MJ15004(with PCB) [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/two-microphone-preamplifier-by-bc109/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Tone Control Mono by 5 Transister (C945)</title>
		<link>http://www.eleccircuit.com/5-transister-c945-tone-control-mono/</link>
		<comments>http://www.eleccircuit.com/5-transister-c945-tone-control-mono/#comments</comments>
		<pubDate>Fri, 04 May 2007 04:23:57 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Tone control - Graphic Equaliser]]></category>
		<category><![CDATA[C945]]></category>
		<category><![CDATA[Circuit diagram]]></category>
		<category><![CDATA[microphone preamplifier]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/5-transister-c945-tone-control-mono/</guid>
		<description><![CDATA[I am interesting about stereo amplifier high quality. My father tell me it must hear sound well, low noise and so loudly. Usually audio tone control made with a transistor that low noise , but less power than used IC systems. I think this circuit will be that because it has four transistors in diagram.we [...]]]></description>
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		<slash:comments>0</slash:comments>
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