Pentode (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pentode" in English language version.

Last modified: 18:52:35, 6 March 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

6^th place

6^th place

33books.google.com

3^rd place

3^rd place

22worldradiohistory.com

127^th place

68^th place

22web.archive.org

1^st place

1^st place

low place

low place

11codesandciphers.org.uk

low place

low place

low place

low place

low place

low place

archive.org (Global: 6^th place; English: 6^th place)

ETC Carney, Allen F. (1998). The Navy Electricity and Electronics Training Series, Module 06: Introduction to Electronic Emission, Tubes, and Power Supplies. Pensacola FL: Naval Education and Training Professional Development and Technology Center. p. 1-47.
Reich, Herbert J. (1941). Principles of Electron Tubes. New York: McGraw-Hill. p. 62.
Departments of the Army and the Air Force (1952, rev. 1958). TM 11-662 Basic Theory and Application of Electron Tubes. Washington DC: USGPO. pp. 104 - 105.
Departments of the Army and the Air Force (1952, rev. 1958). TM 11-662. p. 41.
Departments of the Army and the Air Force (1952, rev. 1958). TM 11-662. p. 167.
Departments of the Army and the Air Force (1952, rev. 1958). TM 11-662. p. 168 - 169.

books.google.com (Global: 3^rd place; English: 3^rd place)

Solymar, Lazlo (2012). Modern Physical Electronics. Springer Science and Business Media. p. 8. ISBN 978-9401165075.
Whitaker, Jerry (2016). Power Vacuum Tubes Handbook, 3rd Edition. CRC Press. p. 87. ISBN 978-1439850657.
B. Jack Copeland. "Colossus: The secrets of Bletchley Park's code-breaking computers".

codesandciphers.org.uk (Global: low place; English: low place)

Tony Sale. "The Colossus: its purpose and operation".

nj7p.org (Global: low place; English: low place)

Sylvania. Engineering Data Service. 7AK7 Archived 2016-06-16 at the Wayback Machine. July 1953.

r-type.org (Global: low place; English: low place)

Tony Sale. "The Colossus Rebuild Project"

web.archive.org (Global: 1^st place; English: 1^st place)

Michael Saunby. "Small signal audio pentodes" Archived 2016-12-13 at the Wayback Machine.
Sylvania. Engineering Data Service. 7AK7 Archived 2016-06-16 at the Wayback Machine. July 1953.

wepoco.com (Global: low place; English: low place)

mike.wepoco.com

Michael Saunby. "Small signal audio pentodes" Archived 2016-12-13 at the Wayback Machine.

worldradiohistory.com (Global: 127^th place; English: 68^th place)

Ballantine, Stuart and Snow, H.A. (Dec. 1930). "Reduction of Distortion and Cross-talk in Radio Receivers by Mean of Variable-mu Tetrodes". Proc. IRE. p. 2122.
Rider, John F. (1936) Automatic Volume Control. New York: John F. Rider, Publisher. pp. 12 - 17.