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	<title>Electronica - scheme electronice &#187; oscilatoare</title>
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	<description>Electronica - amplificatoare audio, emitatoare, surse tensiune, antene, electronica hobby diy</description>
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		<title>Oscilator BF900 stabil</title>
		<link>http://www.scheme.dring.ro/56/oscilator-bf900-stabil/</link>
		<comments>http://www.scheme.dring.ro/56/oscilator-bf900-stabil/#comments</comments>
		<pubDate>Mon, 30 Jan 2012 19:37:51 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[oscilatoare]]></category>
		<category><![CDATA[BB405B]]></category>
		<category><![CDATA[BF900]]></category>

		<guid isPermaLink="false">http://scheme.dring.ro/56/oscilator-bf900-stabil/</guid>
		<description><![CDATA[In afara de faptul ca este o schema clasica de oscilator cu dioda varicap nu prea sunt multe de zis despre acest oscilator. E de mentionat faptul ca lucreaza cu un tranzistor mosFET care dupa cum am mai zis este sensibil la intereferente deci trebuie bine ecranat. Reglajele sunt asemanatoare cu cele ale oscilatorului&#8221; cu [...]


Related posts:<ol><li><a href='http://www.scheme.dring.ro/54/oscilator-cuartz-stabil/' rel='bookmark' title='Permanent Link: Oscilator cuartz stabil'>Oscilator cuartz stabil</a> <small>Fata de oscilatoarele prezentate anterior acesta se deosebeste prin prezenta...</small></li>
<li><a href='http://www.scheme.dring.ro/35/oscilator-simplu-cu-varicap/' rel='bookmark' title='Permanent Link: Oscilator simplu cu varicap'>Oscilator simplu cu varicap</a> <small>Acest oscilator este adecvat multor emitatoare. Din R1 se regleaza...</small></li>
<li><a href='http://www.scheme.dring.ro/52/oscilator-cu-bf-199-si-doua-diode-varicap/' rel='bookmark' title='Permanent Link: Oscilator cu BF 199 si doua diode varicap'>Oscilator cu BF 199 si doua diode varicap</a> <small>Schema unui oscilator realizat cu BF199 si 2 diode varicap....</small></li>
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		<title>Oscilator cu BF 199 si doua diode varicap</title>
		<link>http://www.scheme.dring.ro/52/oscilator-cu-bf-199-si-doua-diode-varicap/</link>
		<comments>http://www.scheme.dring.ro/52/oscilator-cu-bf-199-si-doua-diode-varicap/#comments</comments>
		<pubDate>Wed, 11 Jan 2012 15:29:07 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[oscilatoare]]></category>
		<category><![CDATA[BB139]]></category>
		<category><![CDATA[BF199]]></category>

		<guid isPermaLink="false">http://scheme.dring.ro/52/oscilator-cu-bf-199-si-doua-diode-varicap/</guid>
		<description><![CDATA[Schema unui oscilator realizat cu BF199 si 2 diode varicap. Bobina L1 are 6 spire si se bobineaza in aer sau pe un suport de plastic cu diametrul de 3mm cu o sarma de 0,5 &#8211; 0,8 mm. Tensiunile de alimentare de 8 si 15 volti trebuie sa fie foarte bine stabilizate. Ecranati acest oscilator [...]


Related posts:<ol><li><a href='http://www.scheme.dring.ro/35/oscilator-simplu-cu-varicap/' rel='bookmark' title='Permanent Link: Oscilator simplu cu varicap'>Oscilator simplu cu varicap</a> <small>Acest oscilator este adecvat multor emitatoare. Din R1 se regleaza...</small></li>
<li><a href='http://www.scheme.dring.ro/54/oscilator-cuartz-stabil/' rel='bookmark' title='Permanent Link: Oscilator cuartz stabil'>Oscilator cuartz stabil</a> <small>Fata de oscilatoarele prezentate anterior acesta se deosebeste prin prezenta...</small></li>
<li><a href='http://www.scheme.dring.ro/3/oscilator-bf199/' rel='bookmark' title='Permanent Link: Oscilator BF199'>Oscilator BF199</a> <small>Recomand acest oscilator deoarece a fost probat si functioneaza aproape...</small></li>
</ol>]]></description>
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		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Buffer dublu pt oscilator</title>
		<link>http://www.scheme.dring.ro/33/buffer-dublu-pt-oscilator/</link>
		<comments>http://www.scheme.dring.ro/33/buffer-dublu-pt-oscilator/#comments</comments>
		<pubDate>Sat, 31 Dec 2011 13:00:35 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[oscilatoare]]></category>
		<category><![CDATA[buffer]]></category>

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		<description><![CDATA[La foarte multe scheme de emitatoare de la pirati, C1 are valoarea de 1nF . Este gresit deoarece aceste este un tranzistor de cuplaj cu oscilatorul si trebuie sa aibe o valoare mica (4.7pF &#8211; 22pF ). R1 si R2 au valori de 2.2K si 3.3K , iarasi e gresit deoarece nu asigura functionarea corecta [...]


Related posts:<ol><li><a href='http://www.scheme.dring.ro/3/oscilator-bf199/' rel='bookmark' title='Permanent Link: Oscilator BF199'>Oscilator BF199</a> <small>Recomand acest oscilator deoarece a fost probat si functioneaza aproape...</small></li>
<li><a href='http://www.scheme.dring.ro/54/oscilator-cuartz-stabil/' rel='bookmark' title='Permanent Link: Oscilator cuartz stabil'>Oscilator cuartz stabil</a> <small>Fata de oscilatoarele prezentate anterior acesta se deosebeste prin prezenta...</small></li>
<li><a href='http://www.scheme.dring.ro/35/oscilator-simplu-cu-varicap/' rel='bookmark' title='Permanent Link: Oscilator simplu cu varicap'>Oscilator simplu cu varicap</a> <small>Acest oscilator este adecvat multor emitatoare. Din R1 se regleaza...</small></li>
</ol>]]></description>
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		<title>Oscilator cuartz stabil</title>
		<link>http://www.scheme.dring.ro/54/oscilator-cuartz-stabil/</link>
		<comments>http://www.scheme.dring.ro/54/oscilator-cuartz-stabil/#comments</comments>
		<pubDate>Mon, 26 Dec 2011 12:17:53 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[oscilatoare]]></category>
		<category><![CDATA[BB139]]></category>
		<category><![CDATA[oscilator cuartz]]></category>

		<guid isPermaLink="false">http://scheme.dring.ro/54/oscilator-cuartz-stabil/</guid>
		<description><![CDATA[Fata de oscilatoarele prezentate anterior acesta se deosebeste prin prezenta unui rezonator cu cuartz ce trebuie sa aiba frecventa de 2, maxim 3 ori mai mica decat frecventa de emisie. Din trimerul de 60p se face rezonanta pe frecventa si deci se regleaza si amplitudinea semnalului. Frecventa este destul de stabila datorita cuartz-ului. Se observa [...]


Related posts:<ol><li><a href='http://www.scheme.dring.ro/56/oscilator-bf900-stabil/' rel='bookmark' title='Permanent Link: Oscilator BF900 stabil'>Oscilator BF900 stabil</a> <small>In afara de faptul ca este o schema clasica de...</small></li>
<li><a href='http://www.scheme.dring.ro/52/oscilator-cu-bf-199-si-doua-diode-varicap/' rel='bookmark' title='Permanent Link: Oscilator cu BF 199 si doua diode varicap'>Oscilator cu BF 199 si doua diode varicap</a> <small>Schema unui oscilator realizat cu BF199 si 2 diode varicap....</small></li>
<li><a href='http://www.scheme.dring.ro/282/tester-cristale-cuartz-quartz/' rel='bookmark' title='Permanent Link: Tester cristale cuartz quartz'>Tester cristale cuartz quartz</a> <small>La acest tester de cristale quart un LED va indica...</small></li>
</ol>]]></description>
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		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Oscilator simplu cu varicap</title>
		<link>http://www.scheme.dring.ro/35/oscilator-simplu-cu-varicap/</link>
		<comments>http://www.scheme.dring.ro/35/oscilator-simplu-cu-varicap/#comments</comments>
		<pubDate>Sun, 09 Oct 2011 11:59:21 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[oscilatoare]]></category>
		<category><![CDATA[BB110]]></category>
		<category><![CDATA[BF199]]></category>

		<guid isPermaLink="false">http://scheme.dring.ro/35/oscilator-simplu-cu-varicap/</guid>
		<description><![CDATA[Acest oscilator este adecvat multor emitatoare. Din R1 se regleaza frecventa de emisie iar daca nu se acopera plaja dorita se regleaza si din trimer. Oscilatorul si bufferul trebuie sa fie neaparat ecranate altfel apar armonici si auto-oscilatii! Schema oscilator fm Valorile pieselor: L1 = 15spire / 0.2 /ferita L2 = L3 = 3 sau [...]


Related posts:<ol><li><a href='http://www.scheme.dring.ro/52/oscilator-cu-bf-199-si-doua-diode-varicap/' rel='bookmark' title='Permanent Link: Oscilator cu BF 199 si doua diode varicap'>Oscilator cu BF 199 si doua diode varicap</a> <small>Schema unui oscilator realizat cu BF199 si 2 diode varicap....</small></li>
<li><a href='http://www.scheme.dring.ro/56/oscilator-bf900-stabil/' rel='bookmark' title='Permanent Link: Oscilator BF900 stabil'>Oscilator BF900 stabil</a> <small>In afara de faptul ca este o schema clasica de...</small></li>
<li><a href='http://www.scheme.dring.ro/54/oscilator-cuartz-stabil/' rel='bookmark' title='Permanent Link: Oscilator cuartz stabil'>Oscilator cuartz stabil</a> <small>Fata de oscilatoarele prezentate anterior acesta se deosebeste prin prezenta...</small></li>
</ol>]]></description>
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		<slash:comments>1</slash:comments>
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