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	<title>Template:Infobox vacuum tube/doc - Revision history</title>
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	<updated>2026-10-18T09:13:51Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://traveller.m9s5ever.co.uk/index.php?title=Template:Infobox_vacuum_tube/doc&amp;diff=4375&amp;oldid=prev</id>
		<title>imported&gt;Auric: fix typo</title>
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		<updated>2016-11-28T15:56:11Z</updated>

		<summary type="html">&lt;p&gt;fix typo&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Documentation subpage}}&lt;br /&gt;
&amp;lt;!-- Place categories where indicated at the bottom of this page and interwikis at Wikidata (see [[Wikipedia:Wikidata]]) --&amp;gt;&lt;br /&gt;
{{Lua|Module:Infobox|Module:InfoboxImage|Module:Check for unknown parameters}}&lt;br /&gt;
&lt;br /&gt;
==Usage==&lt;br /&gt;
&amp;lt;pre&amp;gt;{{Infobox vacuum tube&lt;br /&gt;
| image   = &lt;br /&gt;
| caption = &lt;br /&gt;
| classification =                  &amp;lt;!-- Mandatory --&amp;gt;&lt;br /&gt;
| service =  &lt;br /&gt;
&lt;br /&gt;
| height =                          &amp;lt;!-- inches --&amp;gt;&lt;br /&gt;
| diameter =                        &amp;lt;!-- inches --&amp;gt;&lt;br /&gt;
| weight =                          &amp;lt;!-- pounds --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Cathode --&amp;gt;&lt;br /&gt;
| cathode_type =                    &amp;lt;!-- Mandatory --&amp;gt;&lt;br /&gt;
| heater_voltage = &lt;br /&gt;
| heater_current = &lt;br /&gt;
| filament_voltage = &lt;br /&gt;
| filament_current = &lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Anode --&amp;gt;&lt;br /&gt;
| max_dissipation =&lt;br /&gt;
| max_current =                     &amp;lt;!-- use either max_dissipation or max_current --&amp;gt;&lt;br /&gt;
| max_voltage = &lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Socket Connections --&amp;gt;&lt;br /&gt;
| pinout =       &lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Class A amplifier ops --&amp;gt;&lt;br /&gt;
| class_a_amplification_factor =&lt;br /&gt;
| class_a_anode_voltage = &lt;br /&gt;
| class_a_anode_current = &lt;br /&gt;
| class_a_screen_voltage = &lt;br /&gt;
| class_a_bias_voltage = &lt;br /&gt;
| class_a_anode_resistance = &lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Class C amplifier ops --&amp;gt;&lt;br /&gt;
&amp;lt;!-- Recommend the use of highest hated CCS specification --&amp;gt;&lt;br /&gt;
| class_c_power_output = &lt;br /&gt;
| class_c_anode_voltage = &lt;br /&gt;
| class_c_anode_current = &lt;br /&gt;
| class_c_screen_voltage = &lt;br /&gt;
| class_c_bias_voltage = &lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Class AB amplifier ops --&amp;gt;&lt;br /&gt;
&amp;lt;!-- Recommend the use of highest hated CCS specification --&amp;gt;&lt;br /&gt;
| class_ab_power_output = &lt;br /&gt;
| class_ab_anode_resistance = &lt;br /&gt;
| class_ab_anode_voltage = &lt;br /&gt;
| class_ab_anode_current = &lt;br /&gt;
| class_ab_screen_voltage = &lt;br /&gt;
| class_ab_bias_voltage = &lt;br /&gt;
&lt;br /&gt;
| reference = &lt;br /&gt;
}}&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Parameters===&lt;br /&gt;
* '''image''' - Picture of the vacuum tube&lt;br /&gt;
* '''caption''' - Caption for the picture&lt;br /&gt;
* '''classification''' - Mandatory Field exampled include: cold cathode regulator, diode dual diode, triode, dissimilar triode, tetrode, beam tetrode, pentode etc.&lt;br /&gt;
* '''service''' - Common application of the tube examples include, Class A amplifier, AF modulator, RF amplifier&lt;br /&gt;
&lt;br /&gt;
* '''height''' - Units expressed in inches, script includes converter to cm &lt;br /&gt;
* '''diameter''' - Units expressed in inches, script includes converter to cm&lt;br /&gt;
* '''weight''' - Units expressed in pounds, script includes converter to kg&lt;br /&gt;
&lt;br /&gt;
* '''cathode_type''' -  Mandatory field identifying the type of cathode.  Examples include, cold cathode, indirectly heater, directly heated&lt;br /&gt;
* '''heater_voltage''' - Applicable to indirectly heated tubes&lt;br /&gt;
* '''heater_current''' &lt;br /&gt;
* '''filament_voltage''' - Applicable to directly heated tubes&lt;br /&gt;
* '''filament_current''' &lt;br /&gt;
&lt;br /&gt;
* '''max_dissipation''' - The amount of power the tube may safety dissipate.  Recommend the Continuous Commercial Service (CCS) specification be listed.&lt;br /&gt;
* '''max_current''' - Maximun anode current.  Recommend the Continuous Commercial Service (CCS) specification be listed.&lt;br /&gt;
* '''max_voltage''' - Maximum CCS anode dissipation &lt;br /&gt;
* '''pinout''' - Picture of the tube socket pinout&lt;br /&gt;
&lt;br /&gt;
* '''typical application''' - Options are presented for Class A, Class AB, and for class C.  Recommend the largest CCS specification be listed. &lt;br /&gt;
&lt;br /&gt;
* '''reference''' - List the source of the specification &lt;br /&gt;
&lt;br /&gt;
===Units===&lt;br /&gt;
Note that all units are given in inches and pounds.  The script includes a converters to automatically convert to cm and kg.&lt;br /&gt;
&lt;br /&gt;
==Example==&lt;br /&gt;
{{Infobox vacuum tube&lt;br /&gt;
| image   = [[File:RCA12ax7.jpg|45x110px]]&lt;br /&gt;
| caption = RCA 12AX7 &lt;br /&gt;
| classification   = Dual Triode                   &amp;lt;!-- Mandatory --&amp;gt;&lt;br /&gt;
| service = [[Class-A amplifier]] &lt;br /&gt;
&lt;br /&gt;
| height = 2.2       &amp;lt;!-- inches --&amp;gt;&lt;br /&gt;
| diameter = 0.8     &amp;lt;!-- inches --&amp;gt;&lt;br /&gt;
| weight =           &amp;lt;!-- pounds --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Cathode --&amp;gt;&lt;br /&gt;
| cathode_type = Indirectly heated                 &amp;lt;!-- Mandatory --&amp;gt;&lt;br /&gt;
| heater_voltage = Series / Parallel &amp;lt;br /&amp;gt; 12.6 / 6.3&lt;br /&gt;
| heater_current = Series / Parallel &amp;lt;br /&amp;gt; 150 / 300 mA&lt;br /&gt;
| filament_voltage = &lt;br /&gt;
| filament_current = &lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Anode --&amp;gt;&lt;br /&gt;
&amp;lt;!-- use either max_dissipation or max_current --&amp;gt;&lt;br /&gt;
| max_dissipation = 1.2 per section&lt;br /&gt;
| max_current = 3.6mA&lt;br /&gt;
| max_voltage = 330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Socket Connections --&amp;gt;&lt;br /&gt;
| pinout = [[File:EIA-9A.png| 183x78px]]      &lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Class A amplifier ops --&amp;gt;&lt;br /&gt;
| class_a_amplification_factor = 100&lt;br /&gt;
| class_a_anode_voltage = 100&lt;br /&gt;
| class_a_anode_current = 0.5 mA&lt;br /&gt;
| class_a_screen_voltage = &lt;br /&gt;
| class_a_bias_voltage = -1&lt;br /&gt;
| class_a_anode_resistance = 80000&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Class C amplifier ops --&amp;gt;&lt;br /&gt;
&amp;lt;!-- Recommend the use of highest hated CCS specification --&amp;gt;&lt;br /&gt;
| class_c_power_output = &lt;br /&gt;
| class_c_anode_voltage = &lt;br /&gt;
| class_c_anode_current = &lt;br /&gt;
| class_c_screen_voltage = &lt;br /&gt;
| class_c_bias_voltage = &lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Class AB amplifier ops --&amp;gt;&lt;br /&gt;
&amp;lt;!-- Recommend the use of highest hated CCS specification --&amp;gt;&lt;br /&gt;
| class_ab_power_output = &lt;br /&gt;
| class_ab_anode_resistance = &lt;br /&gt;
| class_ab_anode_voltage = &lt;br /&gt;
| class_ab_anode_current = &lt;br /&gt;
| class_ab_screen_voltage = &lt;br /&gt;
| class_ab_bias_voltage = &lt;br /&gt;
&lt;br /&gt;
| reference = 1) Essential Characteristics, General Electric, 1973 &lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre style=&amp;quot;overflow:auto;&amp;quot;&amp;gt;&lt;br /&gt;
{{Infobox vacuum tube&lt;br /&gt;
| image   = [[File:RCA12ax7.jpg|45x110px]]&lt;br /&gt;
| caption = RCA 12AX7 &lt;br /&gt;
| classification   = Dual Triode                   &amp;lt;!-- Mandatory --&amp;gt;&lt;br /&gt;
| service = [[Class A amplifier]] &lt;br /&gt;
&lt;br /&gt;
| height = 2.2       &amp;lt;!-- inches --&amp;gt;&lt;br /&gt;
| diameter = 0.8     &amp;lt;!-- inches --&amp;gt;&lt;br /&gt;
| weight =           &amp;lt;!-- pounds --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Cathode --&amp;gt;&lt;br /&gt;
| cathode_type = Indirectly heated                 &amp;lt;!-- Mandatory --&amp;gt;&lt;br /&gt;
| heater_voltage = Series / Parallel &amp;lt;br /&amp;gt; 12.6 / 6.3&lt;br /&gt;
| heater_current = Series / Parallel &amp;lt;br /&amp;gt; 150 / 300 mA&lt;br /&gt;
| filament_voltage = &lt;br /&gt;
| filament_current = &lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Anode --&amp;gt;&lt;br /&gt;
&amp;lt;!-- use either max_dissipation or max_current --&amp;gt;&lt;br /&gt;
| max_dissipation = 1.2 per section&lt;br /&gt;
| max_current = 3.6mA&lt;br /&gt;
| max_voltage = 330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Socket Connections --&amp;gt;&lt;br /&gt;
| pinout = [[File:EIA-9A.png| 183x78px]]      &lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Class A amplifier ops --&amp;gt;&lt;br /&gt;
| class_a_amplification_factor = 100&lt;br /&gt;
| class_a_anode_voltage = 100&lt;br /&gt;
| class_a_anode_current = 0.5 mA&lt;br /&gt;
| class_a_screen_voltage = &lt;br /&gt;
| class_a_bias_voltage = -1&lt;br /&gt;
| class_a_anode_resistance = 80000&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Class C amplifier ops --&amp;gt;&lt;br /&gt;
&amp;lt;!-- Recommend the use of highest hated CCS specification --&amp;gt;&lt;br /&gt;
| class_c_power_output = &lt;br /&gt;
| class_c_anode_voltage = &lt;br /&gt;
| class_c_anode_current = &lt;br /&gt;
| class_c_screen_voltage = &lt;br /&gt;
| class_c_bias_voltage = &lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- Class AB amplifier ops --&amp;gt;&lt;br /&gt;
&amp;lt;!-- Recommend the use of highest hated CCS specification --&amp;gt;&lt;br /&gt;
| class_ab_power_output = &lt;br /&gt;
| class_ab_anode_resistance = &lt;br /&gt;
| class_ab_anode_voltage = &lt;br /&gt;
| class_ab_anode_current = &lt;br /&gt;
| class_ab_screen_voltage = &lt;br /&gt;
| class_ab_bias_voltage = &lt;br /&gt;
&lt;br /&gt;
| reference = 1) Essential Characteristics, General Electric, 1973 &lt;br /&gt;
}}&amp;lt;/pre&amp;gt;&lt;br /&gt;
{{-}}&lt;br /&gt;
&lt;br /&gt;
== Tracking category ==&lt;br /&gt;
* {{clc|Pages using infobox vacuum tube with unknown parameters}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;includeonly&amp;gt;{{sandbox other||&lt;br /&gt;
&amp;lt;!-- Categories below this line; interwikis at Wikidata --&amp;gt;&lt;br /&gt;
[[Category:Templates that add a tracking category]]&lt;br /&gt;
[[Category:Technology and applied science infobox templates|Vacuum tube]]&lt;br /&gt;
}}&amp;lt;/includeonly&amp;gt;&lt;/div&gt;</summary>
		<author><name>imported&gt;Auric</name></author>
	</entry>
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