Ηλεκτρονική λυχνία: Διαφορά μεταξύ των αναθεωρήσεων
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Διάσωση 1 πηγών και υποβολή 0 για αρχειοθέτηση.) #IABot (v2.0.8 |
Διάσωση 1 πηγών και υποβολή 0 για αρχειοθέτηση.) #IABot (v2.0.8 |
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Γραμμή 22:
*[http://books.google.co.za/books?id=KSkDAAAAMBAJ&pg=PA132&lpg=PA132&dq=van+der+Bijl+Thermionic+valve&source=bl&ots=JnsAins0-i&sig=MgS3Rl7nR-MHLqpYd7nydirOCpY&hl=en&ei=Q_KJTem-F5D34gb7qbjvDQ&sa=X&oi=book_result&ct=result&resnum=2&ved=0CB8Q6AEwAQ#v=onepage&q=van%20der%20Bijl%20Thermionic%20valve&f=false The Thermionic Detector – HJ van der Bijl (October 1919)]
*[http://www.john-a-harper.com/tubes201/ How vacuum tubes really work] – Thermionic emission and vacuum tube theory, using introductory college-level mathematics.
*[http://www.ken-gilbert.com/techstuff/vtf.html The Vacuum Tube FAQ] {{Webarchive|url=https://web.archive.org/web/20081014094123/http://www.ken-gilbert.com/techstuff/vtf.html |date=2008-10-14 }} – FAQ from rec.audio
* [https://wayback.archive-it.org/all/20121016134008/http://www.marconicalling.com/museum/html/events/events-i=39-s=0.html The invention of the thermionic valve]. Fleming discovers the thermionic (or oscillation) valve, or 'diode'.
* [http://www.milbert.com/tstxt.htm Tubes Vs. Transistors] : Is There An Audible Difference? – 1972 AES paper on audible differences in sound quality between vacuum tubes and transistors.
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