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	<id>http://bee.mif.pg.gda.pl/Oktoda/index.php?action=history&amp;feed=atom&amp;title=ECH81</id>
	<title>ECH81 - Historia wersji</title>
	<link rel="self" type="application/atom+xml" href="http://bee.mif.pg.gda.pl/Oktoda/index.php?action=history&amp;feed=atom&amp;title=ECH81"/>
	<link rel="alternate" type="text/html" href="http://bee.mif.pg.gda.pl/Oktoda/index.php?title=ECH81&amp;action=history"/>
	<updated>2026-05-10T23:26:52Z</updated>
	<subtitle>Historia wersji tej strony wiki</subtitle>
	<generator>MediaWiki 1.42.1</generator>
	<entry>
		<id>http://bee.mif.pg.gda.pl/Oktoda/index.php?title=ECH81&amp;diff=1896&amp;oldid=prev</id>
		<title>OTLamp: /* Ciekawostki */</title>
		<link rel="alternate" type="text/html" href="http://bee.mif.pg.gda.pl/Oktoda/index.php?title=ECH81&amp;diff=1896&amp;oldid=prev"/>
		<updated>2012-10-03T09:39:57Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Ciekawostki&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;pl&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← poprzednia wersja&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Wersja z 09:39, 3 paź 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l12&quot;&gt;Linia 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linia 12:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Ciekawostki ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Ciekawostki ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dokładnie ta sama lampa, ale przeznaczona do odbiorników samochodowych zasilanych niskim napięciem anodowym była oznaczona jako ECH83. Karta katalogowa ECH83 podaje niższe parametry maksymalne, ale konstrukcja systemu elektrod jest zupełnie identyczna jak w ECH81.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Dokładnie ta sama lampa, ale przeznaczona do odbiorników samochodowych zasilanych niskim napięciem anodowym&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/ins&gt;była oznaczona jako ECH83. Karta katalogowa ECH83 podaje niższe parametry maksymalne, ale konstrukcja systemu elektrod jest zupełnie identyczna jak w ECH81.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Właściwości i możliwości wykorzystania ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Właściwości i możliwości wykorzystania ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key oktoda:diff:1.41:old-1895:rev-1896:php=table --&gt;
&lt;/table&gt;</summary>
		<author><name>OTLamp</name></author>
	</entry>
	<entry>
		<id>http://bee.mif.pg.gda.pl/Oktoda/index.php?title=ECH81&amp;diff=1895&amp;oldid=prev</id>
		<title>OTLamp: /* Linki zewnętrzne */</title>
		<link rel="alternate" type="text/html" href="http://bee.mif.pg.gda.pl/Oktoda/index.php?title=ECH81&amp;diff=1895&amp;oldid=prev"/>
		<updated>2012-10-03T09:39:16Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Linki zewnętrzne&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;pl&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← poprzednia wersja&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Wersja z 09:39, 3 paź 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l27&quot;&gt;Linia 27:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linia 27:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Karta katalogowa ECH81: http://www.mif.pg.gda.pl/homepages/frank/sheets/030/e/ECH81.pdf&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Karta katalogowa ECH81: http://www.mif.pg.gda.pl/homepages/frank/sheets/030/e/ECH81.pdf&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* ECH81 na stronie Radiomuseum: http://www.radiomuseum.org/tubes/tube_ech81.html&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* ECH81 na stronie Radiomuseum: http://www.radiomuseum.org/tubes/tube_ech81.html&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* ECH83 versus ECH81: http://www.radiomuseum.org/forum/ech83_qru.html&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Schemat odbiornika &amp;quot;Podhale&amp;quot;: http://www.fonar.com.pl/audio/schematy/ksiazki/trusz3_2.htm&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Schemat odbiornika &amp;quot;Podhale&amp;quot;: http://www.fonar.com.pl/audio/schematy/ksiazki/trusz3_2.htm&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key oktoda:diff:1.41:old-1894:rev-1895:php=table --&gt;
&lt;/table&gt;</summary>
		<author><name>OTLamp</name></author>
	</entry>
	<entry>
		<id>http://bee.mif.pg.gda.pl/Oktoda/index.php?title=ECH81&amp;diff=1894&amp;oldid=prev</id>
		<title>OTLamp: /* Ciekawostki */</title>
		<link rel="alternate" type="text/html" href="http://bee.mif.pg.gda.pl/Oktoda/index.php?title=ECH81&amp;diff=1894&amp;oldid=prev"/>
		<updated>2012-10-03T09:38:30Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Ciekawostki&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;pl&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← poprzednia wersja&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Wersja z 09:38, 3 paź 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l11&quot;&gt;Linia 11:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linia 11:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Ciekawostki ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Ciekawostki ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Dokładnie ta sama lampa, ale przeznaczona do odbiorników samochodowych zasilanych niskim napięciem anodowym była oznaczona jako ECH83. Karta katalogowa ECH83 podaje niższe parametry maksymalne, ale konstrukcja systemu elektrod jest zupełnie identyczna jak w ECH81.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Właściwości i możliwości wykorzystania ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Właściwości i możliwości wykorzystania ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key oktoda:diff:1.41:old-775:rev-1894:php=table --&gt;
&lt;/table&gt;</summary>
		<author><name>OTLamp</name></author>
	</entry>
	<entry>
		<id>http://bee.mif.pg.gda.pl/Oktoda/index.php?title=ECH81&amp;diff=775&amp;oldid=prev</id>
		<title>Jasiu o 06:50, 6 mar 2012</title>
		<link rel="alternate" type="text/html" href="http://bee.mif.pg.gda.pl/Oktoda/index.php?title=ECH81&amp;diff=775&amp;oldid=prev"/>
		<updated>2012-03-06T06:50:58Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;pl&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← poprzednia wersja&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Wersja z 06:50, 6 mar 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Linia 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linia 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Lampa2 |typ=ECH81|rodzaj= Heptoda - trioda |zdjęcie=&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Heksoda i trioda ECH81.jpeg &lt;/del&gt;|S1=Heptoda |S1_Pamax=1,7 W |S1_Uamax=300 V |S1_Ikmax= 12,5 mA| S1_Sa = 750-7,5 μA/V |żarzenie=równoległe pośrednie |Uż=6.3V |Iż=300 mA |S2=Trioda |S2_Uamax = 250V |S2_K = 22 |S2_Pamax = 0,8W |cokół=ECH81 &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;cok.png&lt;/del&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Lampa2 |typ=ECH81|rodzaj= Heptoda - trioda |zdjęcie= |S1=Heptoda |S1_Pamax=1,7 W |S1_Uamax=300 V |S1_Ikmax= 12,5 mA| S1_Sa = 750-7,5 μA/V |żarzenie=równoległe pośrednie |Uż=6.3V |Iż=300 mA |S2=Trioda |S2_Uamax = 250V |S2_K = 22 |S2_Pamax = 0,8W |cokół&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;= |frank&lt;/ins&gt;=ECH81}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;ECH81&amp;#039;&amp;#039;&amp;#039; to [[lampa kombinowana]], heptoda - trioda, mieszacz częstotliwości do odbiorników radiowych, z cokołem nowal.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;ECH81&amp;#039;&amp;#039;&amp;#039; to [[lampa kombinowana]], heptoda - trioda, mieszacz częstotliwości do odbiorników radiowych, z cokołem nowal.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Jasiu</name></author>
	</entry>
	<entry>
		<id>http://bee.mif.pg.gda.pl/Oktoda/index.php?title=ECH81&amp;diff=243&amp;oldid=prev</id>
		<title>Oktoda: 1 wersja</title>
		<link rel="alternate" type="text/html" href="http://bee.mif.pg.gda.pl/Oktoda/index.php?title=ECH81&amp;diff=243&amp;oldid=prev"/>
		<updated>2012-02-28T11:59:13Z</updated>

		<summary type="html">&lt;p&gt;1 wersja&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nowa strona&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Lampa2 |typ=ECH81|rodzaj= Heptoda - trioda |zdjęcie=Heksoda i trioda ECH81.jpeg |S1=Heptoda |S1_Pamax=1,7 W |S1_Uamax=300 V |S1_Ikmax= 12,5 mA| S1_Sa = 750-7,5 μA/V |żarzenie=równoległe pośrednie |Uż=6.3V |Iż=300 mA |S2=Trioda |S2_Uamax = 250V |S2_K = 22 |S2_Pamax = 0,8W |cokół=ECH81 cok.png}}&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;ECH81&amp;#039;&amp;#039;&amp;#039; to [[lampa kombinowana]], heptoda - trioda, mieszacz częstotliwości do odbiorników radiowych, z cokołem nowal. &lt;br /&gt;
&lt;br /&gt;
== Historia i zastosowania ==&lt;br /&gt;
Wprowadzona na rynek w roku 1952 roku. Trioda pracowała w stopniu heterodyny zakresów AM lub FM, heptoda jako mieszacz i we wzmacniaczu p.cz. Stosowana w wielu odbiornikach radiowych, z polskich np. w  &amp;quot;Calypso&amp;quot;, &amp;quot;Klawesynie&amp;quot;, &amp;quot;Ramonie&amp;quot;, &amp;quot;Rumbie&amp;quot;, &amp;quot;Podhalu&amp;quot;. Ten ostatni był pierwszym polskim radiem z zakresem UKF. ECH81 pracowała tam w przystawce superreakcyjnej, w konwencjonalnym torze odbiornika pracowały starszej generacji dwie lampy ECH21.&lt;br /&gt;
&lt;br /&gt;
== Odpowiedniki ==&lt;br /&gt;
* 6AJ8&lt;br /&gt;
* 6I1P (6И1П)&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Ciekawostki ==&lt;br /&gt;
&lt;br /&gt;
== Właściwości i możliwości wykorzystania ==&lt;br /&gt;
Lampę można wykorzystać we wzmacniaczach m.cz., zarówno triodę jak i heptodę. Heptodę można użyć jako pierwszy stopień wzmocnienia np. do podłączenia mikrofonu, triodę do źródła o większym sygnale. Możliwe jest także zbudowanie inwertera dla wzmacniacza push-pull.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Przypisy ==&lt;br /&gt;
&amp;lt;references/&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Bibliografia ==&lt;br /&gt;
# {{Książka  |imię=Piotr |nazwisko=Mikołajczyk |imię2=Bohdan |nazwisko2=Paszkowski | tytuł=Electronic Universal Vade-mecum | rok=1964 | wydawnictwo = WNT | miejsce = Warszawa}}&lt;br /&gt;
&lt;br /&gt;
== Linki zewnętrzne ==&lt;br /&gt;
* Karta katalogowa ECH81: http://www.mif.pg.gda.pl/homepages/frank/sheets/030/e/ECH81.pdf&lt;br /&gt;
* ECH81 na stronie Radiomuseum: http://www.radiomuseum.org/tubes/tube_ech81.html&lt;br /&gt;
* Schemat odbiornika &amp;quot;Podhale&amp;quot;: http://www.fonar.com.pl/audio/schematy/ksiazki/trusz3_2.htm&lt;br /&gt;
&lt;br /&gt;
{{Oznaczenia parametrów lamp}}&lt;br /&gt;
&lt;br /&gt;
[[Kategoria:Lampy według typu]]&lt;/div&gt;</summary>
		<author><name>Oktoda</name></author>
	</entry>
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