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	<id>https://www.vigyanwiki.in/index.php?action=history&amp;feed=atom&amp;title=Template%3AInfobox_vacuum_tube</id>
	<title>Template:Infobox vacuum tube - Revision history</title>
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	<updated>2026-04-07T07:29:15Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.vigyanwiki.in/index.php?title=Template:Infobox_vacuum_tube&amp;diff=259115&amp;oldid=prev</id>
		<title>Indicwiki: 1 revision imported from :alpha:Template:Infobox_vacuum_tube</title>
		<link rel="alternate" type="text/html" href="https://www.vigyanwiki.in/index.php?title=Template:Infobox_vacuum_tube&amp;diff=259115&amp;oldid=prev"/>
		<updated>2023-09-23T01:30:39Z</updated>

		<summary type="html">&lt;p&gt;1 revision imported from &lt;a href=&quot;https://alpha.indicwiki.in/index.php?title=Template:Infobox_vacuum_tube&quot; class=&quot;extiw&quot; title=&quot;alpha:Template:Infobox vacuum tube&quot;&gt;alpha:Template:Infobox_vacuum_tube&lt;/a&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en-GB&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 07:00, 23 September 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en-GB&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Indicwiki</name></author>
	</entry>
	<entry>
		<id>https://www.vigyanwiki.in/index.php?title=Template:Infobox_vacuum_tube&amp;diff=259114&amp;oldid=prev</id>
		<title>alpha&gt;Indicwiki: Created page with &quot;{{infobox  | above = {{{name|&lt;includeonly&gt;{{PAGENAMEBASE}}&lt;/includeonly&gt;}}}  | image = {{#invoke:InfoboxImage|InfoboxImage|image={{{image|}}}|size={{{image_size|}}} }} | capti...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.vigyanwiki.in/index.php?title=Template:Infobox_vacuum_tube&amp;diff=259114&amp;oldid=prev"/>
		<updated>2023-05-16T02:21:07Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{infobox  | above = {{{name|&amp;lt;includeonly&amp;gt;{{PAGENAMEBASE}}&amp;lt;/includeonly&amp;gt;}}}  | image = {{#invoke:InfoboxImage|InfoboxImage|image={{{image|}}}|size={{{image_size|}}} }} | capti...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{infobox&lt;br /&gt;
&lt;br /&gt;
| above = {{{name|&amp;lt;includeonly&amp;gt;{{PAGENAMEBASE}}&amp;lt;/includeonly&amp;gt;}}}&lt;br /&gt;
&lt;br /&gt;
| image = {{#invoke:InfoboxImage|InfoboxImage|image={{{image|}}}|size={{{image_size|}}} }}&lt;br /&gt;
| caption = {{{caption|}}}&lt;br /&gt;
| captionstyle = border-bottom:1px #aaa solid;&lt;br /&gt;
&lt;br /&gt;
| headerstyle = background:lightsteelblue;&lt;br /&gt;
&lt;br /&gt;
| label1 = Classification&lt;br /&gt;
| data1 = {{{classification|}}}&lt;br /&gt;
&lt;br /&gt;
| label2 =  Service&lt;br /&gt;
| data2 =  {{{service|}}}&lt;br /&gt;
&lt;br /&gt;
| label3 =  Height&lt;br /&gt;
| data3 =  {{#if:{{{height|{{{height_in|}}}}}} |{{convert|{{{height|{{{height_in|}}}}}}|in|abbr=on}} }}&lt;br /&gt;
&lt;br /&gt;
| label4 =  Diameter&lt;br /&gt;
| data4 =  {{#if:{{{diameter|{{{diameter_in|}}}}}} | {{convert|{{{diameter|{{{diameter_in|}}}}}}|in|abbr=on}} }}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
| label5 =  Weight&lt;br /&gt;
| data5 =  {{#if:{{{weight|{{{weight_lb|{{{weight_lbs|}}}}}}}}} | {{convert|{{{weight|{{{weight_lb|{{{weight_lbs|}}}}}}}}}|lb|kg|abbr=on}} }}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- ************* Cathode ************* Cathode ************* Cathode ************* Cathode ************* Cathode --&amp;gt;&lt;br /&gt;
| header6 = {{#if:{{{cathode_type|}}}{{{filament_voltage|}}}{{{filament_current|}}}{{{heater_voltage|}}}{{{heater_current|}}}|Cathode}}&lt;br /&gt;
&lt;br /&gt;
| label7 = Cathode type&lt;br /&gt;
| data7 = {{{cathode_type|}}}&lt;br /&gt;
&lt;br /&gt;
| label8 =  Filament voltage:&lt;br /&gt;
| data8 =  {{{filament_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
| label9 =  Filament current&lt;br /&gt;
| data9 =  {{{filament_current|}}}&lt;br /&gt;
&lt;br /&gt;
| label10 =  Heater voltage&lt;br /&gt;
| data10 =  {{{heater_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
| label11 =  Heater current&lt;br /&gt;
| data11 =  {{{heater_current|}}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- ************* Anode ************* Anode ************* Anode ************* Anode ************* Anode --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
| header12 = {{#if:{{{max_dissipation|}}}{{{max_voltage|}}}{{{max_current|}}}|Anode}}&lt;br /&gt;
&lt;br /&gt;
| label13 =  Max dissipation Watts&lt;br /&gt;
| data13 =  {{{max_dissipation|}}}&lt;br /&gt;
&lt;br /&gt;
| label14 =  Max voltage&lt;br /&gt;
| data14 =  {{{max_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
| label15 =  Max current&lt;br /&gt;
| data15 =  {{{max_current|}}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- ************* Pin out ************* Pin out ************* Pin out ************* Pin out ************* Pin out --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
| header16 = {{#if:{{{pinout|}}} |  Socket connections}}&lt;br /&gt;
| data17 = {{{pinout|}}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- ************* Class A ************* Class A ************* Class A ************* Class A ************* Class A --&amp;gt;&lt;br /&gt;
| header18 = {{#if:{{{class_a_amplification_factor|}}}{{{class_a_anode_voltage|}}}{{{class_a_anode_current|}}}{{{class_a_screen_voltage|}}}{{{class_a_bias_voltage|}}} {{{class_a_anode_resistance|}}}|Typical [[class-A amplifier]] operation}}&lt;br /&gt;
&lt;br /&gt;
| label19 =  Amplification factor&lt;br /&gt;
| data19 =  {{{class_a_amplification_factor|}}}&lt;br /&gt;
&lt;br /&gt;
| label20 =  Anode voltage&lt;br /&gt;
| data20 =  {{{class_a_anode_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
| label21 =  Anode current&lt;br /&gt;
| data21 =  {{{class_a_anode_current|}}}&lt;br /&gt;
&lt;br /&gt;
| label22 =  Screen voltage&lt;br /&gt;
| data22 =  {{{class_a_screen_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
| label23 =  Bias voltage&lt;br /&gt;
| data23 =  {{{class_a_bias_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
| label24 =  Anode resistance&lt;br /&gt;
| data24 =  {{{class_a_anode_resistance|}}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- ************* Class C ************* Class C ************* Class C ************* Class C ************* Class C --&amp;gt;&lt;br /&gt;
&amp;lt;!-- Recommend the use of highest power CCS specification --&amp;gt;&lt;br /&gt;
|header25 = {{#if:{{{class_c_power_output|}}}{{{class_c_anode_voltage|}}}{{{class_c_anode_current|}}}{{{class_c_screen_voltage|}}}{{{class_c_bias_voltage|}}}| Typical [[class-C amplifier]] operation}}&lt;br /&gt;
&lt;br /&gt;
| label26 =  Power output&lt;br /&gt;
| data26 =  {{{class_c_power_output|}}}&lt;br /&gt;
&lt;br /&gt;
| label27 =  Anode voltage&lt;br /&gt;
| data27 =  {{{class_c_anode_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
| label28 =  Anode current&lt;br /&gt;
| data28 =  {{{class_c_anode_current|}}}&lt;br /&gt;
&lt;br /&gt;
| label29 =  Screen voltage&lt;br /&gt;
| data29 =  {{{class_c_screen_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
| label30 =  Bias voltage&lt;br /&gt;
| data30 =  {{{class_c_bias_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- ************* Class AB ************* Class AB ************* Class AB ************* Class AB ************* Class AB --&amp;gt;&lt;br /&gt;
&amp;lt;!-- Recommend the use of highest power CCS specification --&amp;gt;&lt;br /&gt;
| header31 = {{#if:{{{class_ab_power_output|}}}{{{class_ab_anode_resistance|}}}{{{class_ab_anode_voltage|}}}{{{class_ab_anode_current|}}}{{{class_ab_screen_voltage|}}}{{{class_ab_bias_voltage|}}}|Typical [[class-AB amplifier]] operation &amp;lt;br /&amp;gt;(Values are for two tubes)}}&lt;br /&gt;
&lt;br /&gt;
| label32 =  Power output&lt;br /&gt;
| data32 =  {{{class_ab_power_output|}}}&lt;br /&gt;
&lt;br /&gt;
| label33 =  Anode resistance:&amp;lt;br /&amp;gt;(anode to anode)&lt;br /&gt;
| data33 =  {{{class_ab_anode_resistance|}}}&lt;br /&gt;
&lt;br /&gt;
| label34 =  Anode voltage&lt;br /&gt;
| data34 =  {{{class_ab_anode_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
| label35 =  Anode current&lt;br /&gt;
| data35 =  {{{class_ab_anode_current|}}}&lt;br /&gt;
&lt;br /&gt;
| label36 =  Screen voltage&lt;br /&gt;
| data36 =  {{{class_ab_screen_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
| label37 =  Bias voltage&lt;br /&gt;
| data37 =  {{{class_ab_bias_voltage|}}}&lt;br /&gt;
&lt;br /&gt;
| header38 = {{#if:{{{reference|}}}|References}}&lt;br /&gt;
| data39 = {{{reference|}}}&lt;br /&gt;
}}{{#invoke:Check for unknown parameters|check|unknown={{main other|[[Category:Pages using infobox vacuum tube with unknown parameters|_VALUE_{{PAGENAME}}]]}}|preview=Page using [[Template:Infobox vacuum tube]] with unknown parameter &amp;quot;_VALUE_&amp;quot;|ignoreblank=y| caption | cathode_type | class_a_amplification_factor | class_a_anode_current | class_a_anode_resistance | class_a_anode_voltage | class_a_bias_voltage | class_a_screen_voltage | class_ab_anode_current | class_ab_anode_resistance | class_ab_anode_voltage | class_ab_bias_voltage | class_ab_power_output | class_ab_screen_voltage | class_c_anode_current | class_c_anode_voltage | class_c_bias_voltage | class_c_power_output | class_c_screen_voltage | classification | diameter | diameter_in | filament_current | filament_voltage | heater_current | heater_voltage | height | height_in | image | image_size | max_current | max_dissipation | max_voltage | name | pinout | reference | service | weight | weight_lb | weight_lbs&lt;br /&gt;
}}&amp;lt;noinclude&amp;gt;{{documentation}}&amp;lt;/noinclude&amp;gt;&lt;/div&gt;</summary>
		<author><name>alpha&gt;Indicwiki</name></author>
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