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	<title>Electronica - scheme electronice &#187; corectoare</title>
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	<description>Electronica - amplificatoare audio, emitatoare, surse tensiune, antene, electronica hobby diy</description>
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		<title>Reglaj de ton pe trei benzi &#8211; LM833</title>
		<link>http://www.scheme.dring.ro/151/reglaj-de-ton-pe-trei-benzi/</link>
		<comments>http://www.scheme.dring.ro/151/reglaj-de-ton-pe-trei-benzi/#comments</comments>
		<pubDate>Tue, 17 Jan 2012 16:27:05 +0000</pubDate>
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				<category><![CDATA[corectoare]]></category>
		<category><![CDATA[LM833]]></category>
		<category><![CDATA[reglaj ton]]></category>

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		<description><![CDATA[Componenta principala a schemei este circuitul integrat LM833 produs de firma National Semiconductor. Acest amplificator are un zgomot foarte scazut, un produs amplificare-banda foarte bun (15 MHz) si o viteza de crestere de 7V/us. Daca se doreste, mai poate fi adaugat un condensator la iesirea lui A2, deoarece tensiunea continua la iesirea acestui amplificator operational [...]


Related posts:<ol><li><a href='http://www.scheme.dring.ro/169/amplificator-microfon-cu-zgomot-redus/' rel='bookmark' title='Permanent Link: Amplificator microfon cu zgomot redus'>Amplificator microfon cu zgomot redus</a> <small>Amplificatorul pe care vi-l prezentam este construit pe baza perechii...</small></li>
<li><a href='http://www.scheme.dring.ro/224/egalizor-corector-grafic-stereo-cinci-benzi/' rel='bookmark' title='Permanent Link: Egalizor Corector grafic stereo cinci benzi'>Egalizor Corector grafic stereo cinci benzi</a> <small>Aceasta schema de egalizator stereo este insolita, deoarece se bazeaza...</small></li>
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		<title>Egalizor Corector grafic stereo cinci benzi</title>
		<link>http://www.scheme.dring.ro/224/egalizor-corector-grafic-stereo-cinci-benzi/</link>
		<comments>http://www.scheme.dring.ro/224/egalizor-corector-grafic-stereo-cinci-benzi/#comments</comments>
		<pubDate>Sun, 20 Nov 2011 01:45:46 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[corectoare]]></category>
		<category><![CDATA[egalizator]]></category>
		<category><![CDATA[TL072]]></category>

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		<description><![CDATA[Aceasta schema de egalizator stereo este insolita, deoarece se bazeaza pe o reactie inductiva. Teoretic, circuitul de reactie negativa aferent amplificatorului operational A1 ar trebui sa realizeze o amplificare sau atenuare de 15dB a fiecarui domeniu de frecventa, dar, practiv, putem obtine doar circa 13dB, din cauza pierderilor inductive. Cand toate cele cinci potentiometre P1-P5 [...]


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<li><a href='http://www.scheme.dring.ro/151/reglaj-de-ton-pe-trei-benzi/' rel='bookmark' title='Permanent Link: Reglaj de ton pe trei benzi &#8211; LM833'>Reglaj de ton pe trei benzi &#8211; LM833</a> <small>Componenta principala a schemei este circuitul integrat LM833 produs de...</small></li>
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