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	<title>Electronica - scheme electronice &#187; casa</title>
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	<link>http://www.scheme.dring.ro</link>
	<description>Electronica - amplificatoare audio, emitatoare, surse tensiune, antene, electronica hobby diy</description>
	<lastBuildDate>Mon, 06 Feb 2012 22:41:12 +0000</lastBuildDate>
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		<title>Schema alungator soareci</title>
		<link>http://www.scheme.dring.ro/118/schema-alungator-soareci/</link>
		<comments>http://www.scheme.dring.ro/118/schema-alungator-soareci/#comments</comments>
		<pubDate>Fri, 03 Feb 2012 21:48:33 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[casa]]></category>
		<category><![CDATA[CA3130]]></category>
		<category><![CDATA[CD4013]]></category>
		<category><![CDATA[CD4017]]></category>
		<category><![CDATA[NE555]]></category>
		<category><![CDATA[piezo]]></category>

		<guid isPermaLink="false">http://scheme.dring.ro/118/schema-alungator-soareci/</guid>
		<description><![CDATA[Sa nu radeti de titlul acestui montaj ca vin soarecii si va mananca ! Trecand peste asta este binecunoscut faptul ca soarecii in general sunt alungati prin folosirea frecventelor ultrasonice intre 30 KHz si 50 KHz . Oricum fiecare tip de animal raspunde diferit la diferite frecvente, de aceea acest montaj va ofera posibilitatea de [...]


No related posts.]]></description>
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		<slash:comments>2</slash:comments>
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		<title>Antena telescopica activa de banda larga</title>
		<link>http://www.scheme.dring.ro/232/antena-telescopica-activa-de-banda-larga/</link>
		<comments>http://www.scheme.dring.ro/232/antena-telescopica-activa-de-banda-larga/#comments</comments>
		<pubDate>Sun, 22 Jan 2012 17:37:15 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[amplificator radio]]></category>
		<category><![CDATA[antene]]></category>
		<category><![CDATA[casa]]></category>
		<category><![CDATA[Radio]]></category>
		<category><![CDATA[utile rf]]></category>
		<category><![CDATA[antena telescopica]]></category>
		<category><![CDATA[BFG65]]></category>

		<guid isPermaLink="false">http://scheme.dring.ro/?p=232</guid>
		<description><![CDATA[Majoritatea amplificatoarelor VHF / UHF pentru antene simetrice ( cum sunt dipolul deschis sau inchis ) au la intrare un balun ( balanced to unbalanced &#8211; transformator de simetrizare simetric-asimetric). Un balun este un dispozitiv inductiv care converteste semnalul simetric (echilibrat) de RF intr-un semnal asimetric (neechilibrat) care se poate aplica in baza transzistorului. Din [...]


Related posts:<ol><li><a href='http://www.scheme.dring.ro/5/antena-dipol-deschis/' rel='bookmark' title='Permanent Link: Antena dipol deschis'>Antena dipol deschis</a> <small>Antena dipol deschis este cea mai folosita de radio amatorii...</small></li>
<li><a href='http://www.scheme.dring.ro/67/antena-dipol-inchis/' rel='bookmark' title='Permanent Link: Antena dipol inchis'>Antena dipol inchis</a> <small>Dipolul inchis radiaza in forma numarului 8 si are un...</small></li>
<li><a href='http://www.scheme.dring.ro/64/antena-directiva-yagi-3-elementi/' rel='bookmark' title='Permanent Link: Antena directiva Yagi 3 elementi'>Antena directiva Yagi 3 elementi</a> <small>Aceasta antena se poate folosi atat pt emisie cat si...</small></li>
</ol>]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Comutator pentru lampi cu halogen</title>
		<link>http://www.scheme.dring.ro/321/comutator-pentru-lampi-cu-halogen/</link>
		<comments>http://www.scheme.dring.ro/321/comutator-pentru-lampi-cu-halogen/#comments</comments>
		<pubDate>Sun, 01 Jan 2012 13:33:12 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[casa]]></category>
		<category><![CDATA[1N4148]]></category>
		<category><![CDATA[BUZ10]]></category>
		<category><![CDATA[BUZ11]]></category>
		<category><![CDATA[comutatoare]]></category>
		<category><![CDATA[lampa halogen]]></category>

		<guid isPermaLink="false">http://scheme.dring.ro/?p=321</guid>
		<description><![CDATA[Lampile cu halogen dau o lumina buna si au o eficienta excelenta. Din nefericire acestea tin sa fie costisitoare si adesea isi dau duhul in momentul conectarii, deoarece absorb un curent foarte mare (de cateva ori mai mult decat cel normal). Circuitul prezentat aici rezolva aceasta problema dar asta numai pt lampile cu halogen alimentate [...]


Related posts:<ol><li><a href='http://www.scheme.dring.ro/336/autodeconectare-pentru-echipamentele-audio/' rel='bookmark' title='Permanent Link: Autodeconectare pentru echipamentele audio'>Autodeconectare pentru echipamentele audio</a> <small>Acest circuit simplu deconecteaza echipamentul din rack-ul dumneavoastra audio in...</small></li>
<li><a href='http://www.scheme.dring.ro/334/comutator-actionat-de-la-distanta-in-infrarosu/' rel='bookmark' title='Permanent Link: Comutator actionat de la distanta in infrarosu'>Comutator actionat de la distanta in infrarosu</a> <small>SFH505A realizat de Siemens combina dioda receptoare in infrarosu, amplificatorul,...</small></li>
<li><a href='http://www.scheme.dring.ro/309/scaner-pentru-preamplificator/' rel='bookmark' title='Permanent Link: Scaner pentru preamplificator'>Scaner pentru preamplificator</a> <small>Acest circuit scaneaza toate intrarile preamplificatorului pentru a depista unde...</small></li>
</ol>]]></description>
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		<title>Regulator motor cc curent continuu</title>
		<link>http://www.scheme.dring.ro/323/regulator-motor-cc-curent-continuu/</link>
		<comments>http://www.scheme.dring.ro/323/regulator-motor-cc-curent-continuu/#comments</comments>
		<pubDate>Sat, 24 Dec 2011 11:31:38 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[casa]]></category>
		<category><![CDATA[1N4001]]></category>
		<category><![CDATA[1N4002]]></category>
		<category><![CDATA[1N4148]]></category>
		<category><![CDATA[555]]></category>
		<category><![CDATA[regulator motor]]></category>
		<category><![CDATA[regulator viteza]]></category>
		<category><![CDATA[TIP142]]></category>

		<guid isPermaLink="false">http://scheme.dring.ro/?p=323</guid>
		<description><![CDATA[Regulatorul prezentat in schema permite reglarea turatiei unui motor de cc intr-o plaja larga. In aceasta schema este folosita modularea in impulsuri in pozitie, numita si modulatie de faza a impulsurilor. Adica, modulatorul de impulsuri dreptungiulare IC1 cupleaza intotdeauna motorul pentru 0.5 ms (=R1C4). Pentru majoritatea motoarelor, aceasta este suficient pentru a porni. Viteza la [...]


Related posts:<ol><li><a href='http://www.scheme.dring.ro/349/regulator-viteza-motor-cc/' rel='bookmark' title='Permanent Link: Regulator viteza motor cc'>Regulator viteza motor cc</a> <small>Acest regulator de viteza a unui motor cc foloseste un...</small></li>
<li><a href='http://www.scheme.dring.ro/287/generator-de-servoimpulsuri/' rel='bookmark' title='Permanent Link: Generator de servoimpulsuri'>Generator de servoimpulsuri</a> <small>Montajele care genereaza impulsuri de control pt aparatura servo sunt...</small></li>
</ol>]]></description>
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		<title>Squelch universal</title>
		<link>http://www.scheme.dring.ro/271/squelch-universal/</link>
		<comments>http://www.scheme.dring.ro/271/squelch-universal/#comments</comments>
		<pubDate>Mon, 19 Dec 2011 10:39:18 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[casa]]></category>
		<category><![CDATA[Radio]]></category>
		<category><![CDATA[utile audio]]></category>
		<category><![CDATA[utile rf]]></category>
		<category><![CDATA[BC547B]]></category>
		<category><![CDATA[squelch]]></category>
		<category><![CDATA[TLC272]]></category>

		<guid isPermaLink="false">http://scheme.dring.ro/?p=271</guid>
		<description><![CDATA[In telecomunicatii, squelch-ul este un circuit care suprima semnalul audio (video) al unui receptor daca semnalul de intrare nu este suficient de puternic. Acest circuit squelch este simplu si are o amplificare suficient de mare pt a putea fi incorporat intr-un montaj de control automat al amplificari dintr-o larga gama de radioreceptoare. Semnalul de intrare [...]


Related posts:<ol><li><a href='http://www.scheme.dring.ro/245/compandor-universal/' rel='bookmark' title='Permanent Link: Compandor universal'>Compandor universal</a> <small>Circuitul integrat compador NE575, produs de Signetics, functioneaza alimentat de...</small></li>
<li><a href='http://www.scheme.dring.ro/247/amplificator-de-linie-universal/' rel='bookmark' title='Permanent Link: Amplificator de linie universal'>Amplificator de linie universal</a> <small>Un amplificator de linie este un montaj pe care este...</small></li>
<li><a href='http://www.scheme.dring.ro/439/selector-comutator-electronic-de-antena/' rel='bookmark' title='Permanent Link: Selector / Comutator electronic de antena'>Selector / Comutator electronic de antena</a> <small>Selectorul / comutatorul electronic de antena a fost conceput pentru...</small></li>
</ol>]]></description>
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