﻿{"id":1952,"date":"2017-11-19T14:49:26","date_gmt":"2017-11-19T13:49:26","guid":{"rendered":""},"modified":"2023-09-27T18:41:53","modified_gmt":"2023-09-27T16:41:53","slug":"tetrodo_jan114","status":"publish","type":"post","link":"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/tetrodo_jan114\/","title":{"rendered":"Tetrodo JAN QB 3\/300 GA. 4D 21 71 IPM 14 Matr. N\u00b0 D4866"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-24776\" src=\"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/1DSCPFaPa6836.jpg\" alt=\"\" width=\"789\" height=\"1500\" srcset=\"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/1DSCPFaPa6836.jpg 789w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/1DSCPFaPa6836-158x300.jpg 158w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/1DSCPFaPa6836-539x1024.jpg 539w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/1DSCPFaPa6836-768x1460.jpg 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-24777\" src=\"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/2DSCPFaPa6837.jpg\" alt=\"\" width=\"1500\" height=\"1122\" srcset=\"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/2DSCPFaPa6837.jpg 1500w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/2DSCPFaPa6837-300x224.jpg 300w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/2DSCPFaPa6837-1024x766.jpg 1024w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/2DSCPFaPa6837-768x574.jpg 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><br \/>\n<span style=\"font-family: 'times new roman', times, serif; font-size: 18pt;\">\u00a0 \u00a0Tetrodo JAN QB 3\/300 GA. 4D 21 71 IPM 14 Matr. N\u00b0 D4866.<br \/>\nPrivo di marca e non rinvenibile negli inventari.<br \/>\nLe caratteristiche che riportiamo sono del tetrodo Philips con potenza massima dissipabile di 125 W. Tensione massima 3000 V; corrente massima 225 A. Tensione di filamento 5 V ; corrente di filamento 6,5 A. Questo tetrodo veniva usato come amplificatore per alte o basse frequenze e come tubo per trasmissioni di piccola potenza.\u00a0 \u00a0 \u00a0Bibliografia:<br \/>\nBasic Theory and Application of Electron Tubes, Departments of the Army and the Air Force U.S.A., 1952; Philips Electronic Tube Handbook, 1960.<br \/>\nFoto di Claudio Profumieri, elaborazioni, ricerche e testo\u00a0 di Fabio Panfili.<br \/>\n<span style=\"color: #008000;\">Per ingrandire le immagini cliccare su di esse col tasto destro del mouse e scegliere tra le opzioni.<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-20273\" src=\"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/3DSCN6839.jpg\" alt=\"\" width=\"1500\" height=\"1230\" srcset=\"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/3DSCN6839.jpg 1500w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/3DSCN6839-300x246.jpg 300w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/3DSCN6839-1024x840.jpg 1024w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/3DSCN6839-768x630.jpg 768w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-20274\" src=\"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/4DSCPFaPaN6838.jpg\" alt=\"\" width=\"1500\" height=\"1482\" srcset=\"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/4DSCPFaPaN6838.jpg 1500w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/4DSCPFaPaN6838-300x296.jpg 300w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/4DSCPFaPaN6838-1024x1012.jpg 1024w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/4DSCPFaPaN6838-768x759.jpg 768w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/4DSCPFaPaN6838-100x100.jpg 100w, https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-content\/uploads\/2017\/11\/4DSCPFaPaN6838-120x120.jpg 120w\" sizes=\"(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><br \/>\n<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 \u00a0Tetrodo JAN QB 3\/300 GA. 4D 21 71 IPM 14 Matr. N\u00b0 D4866. Privo di marca e non rinvenibile negli inventari. Le caratteristiche che riportiamo sono del tetrodo Philips con potenza massima dissipabile di 125 W. Tensione massima 3000 V; corrente massima 225 A. Tensione di filamento 5 V ; corrente di filamento 6,5 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/tetrodo_jan114\/\" class=\"more-link\">Leggi tutto<span class=\"screen-reader-text\"> &#8220;Tetrodo JAN QB 3\/300 GA. 4D 21 71 IPM 14 Matr. N\u00b0 D4866&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[10],"tags":[],"_links":{"self":[{"href":"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-json\/wp\/v2\/posts\/1952"}],"collection":[{"href":"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-json\/wp\/v2\/comments?post=1952"}],"version-history":[{"count":5,"href":"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-json\/wp\/v2\/posts\/1952\/revisions"}],"predecessor-version":[{"id":24778,"href":"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-json\/wp\/v2\/posts\/1952\/revisions\/24778"}],"wp:attachment":[{"href":"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-json\/wp\/v2\/media?parent=1952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-json\/wp\/v2\/categories?post=1952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.istitutomontani.edu.it\/museovirtuale\/wp-json\/wp\/v2\/tags?post=1952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}