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GB1134091A - Improvements in or relating to the dissipation of radio transmitter output power - Google Patents

Improvements in or relating to the dissipation of radio transmitter output power

Info

Publication number
GB1134091A
GB1134091A GB546565A GB546565A GB1134091A GB 1134091 A GB1134091 A GB 1134091A GB 546565 A GB546565 A GB 546565A GB 546565 A GB546565 A GB 546565A GB 1134091 A GB1134091 A GB 1134091A
Authority
GB
United Kingdom
Prior art keywords
tank
resistors
stainless steel
series
testing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB546565A
Inventor
Glyn Peter Bickerton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to GB546565A priority Critical patent/GB1134091A/en
Publication of GB1134091A publication Critical patent/GB1134091A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/24—Terminating devices
    • H01P1/26—Dissipative terminations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

1,134,091. Testing radio transmitters. MARCONI CO. Ltd. 11 Jan., 1966 [8 Feb., 1965], No. 5465/65. Heading H4L. [Also in Division H1] A dissipative attenuator for connection across the output of a radio-frequency generator (when testing) consists of one or more resistors 2 mounted in tanks 1 full of a liquid which is allowed to boil to dissipate the power. The resistors are connected in a series, parallel or series-parallel fashion each in a separate tank. Each resistor consists of an elongated web 2 of woven asbestos interwoven with a resistance element of nichrome tape 7, the web being supported under tension by stainless steel clamping members 8 adjacent opposite walls of the tank. Connection to the clamping member is made by stainless steel rods 5 which pass through the walls of the tank and are associated with screw-threaded tensioning means 11. The clamps and the portions of the rods within the tank are provided with an insula tive coating 9 of hot-moulded fibreglass. The liquid used is preferably distilled water which has been passed through an ion exchanger.
GB546565A 1965-02-08 1965-02-08 Improvements in or relating to the dissipation of radio transmitter output power Expired GB1134091A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB546565A GB1134091A (en) 1965-02-08 1965-02-08 Improvements in or relating to the dissipation of radio transmitter output power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB546565A GB1134091A (en) 1965-02-08 1965-02-08 Improvements in or relating to the dissipation of radio transmitter output power

Publications (1)

Publication Number Publication Date
GB1134091A true GB1134091A (en) 1968-11-20

Family

ID=9796687

Family Applications (1)

Application Number Title Priority Date Filing Date
GB546565A Expired GB1134091A (en) 1965-02-08 1965-02-08 Improvements in or relating to the dissipation of radio transmitter output power

Country Status (1)

Country Link
GB (1) GB1134091A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0676823A1 (en) * 1994-04-08 1995-10-11 Thomcast Air cooled power load and fictive antenna

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0676823A1 (en) * 1994-04-08 1995-10-11 Thomcast Air cooled power load and fictive antenna
FR2718584A1 (en) * 1994-04-08 1995-10-13 Thomcast Air-cooled power load and dummy antenna constituted by such a load.
US5488334A (en) * 1994-04-08 1996-01-30 Thomcast Air-cooled power load

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