GB771353A - Improvements in or relating to terminations for ultra-high frequency transmission lines - Google Patents

Improvements in or relating to terminations for ultra-high frequency transmission lines

Info

Publication number
GB771353A
GB771353A GB1551253A GB1551253A GB771353A GB 771353 A GB771353 A GB 771353A GB 1551253 A GB1551253 A GB 1551253A GB 1551253 A GB1551253 A GB 1551253A GB 771353 A GB771353 A GB 771353A
Authority
GB
United Kingdom
Prior art keywords
block
transition portion
guide
terminations
ultra
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
GB1551253A
Inventor
Thomas Julius Rey
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB1551253A priority Critical patent/GB771353A/en
Priority to DEE9091A priority patent/DE963530C/en
Publication of GB771353A publication Critical patent/GB771353A/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
    • H01P1/264—Waveguide terminations

Landscapes

  • Non-Reversible Transmitting Devices (AREA)

Abstract

771,353. Waveguide terminations. ELECTRIC & MUSICAL INDUSTRIES, Ltd. June 4, 1954 [June 5, 1953], No. 15512/53. Class 40 (8). An energy-absorbing termination for a waveguide comprises a block 2 of lossy material, e.g. graphite, having a wedge-shaped transition portion 7. A gradual change from the conductivity of the guide walls to the resistivity of the block is achieved by provision of a slotted tongue 8, Fig. 1, of e.g. graphite on the lower broad face of the guide or by a triangular coating 10, Fig. 2, of highly-conductive material on the sloping face of the transition portion. The axial lengths of the transition portion and of the tongue should be #g/4 or an odd multiple thereof. The height of the block is less than the narrow dimension of the main guide so that it forms with the upper broad face a short guide section which may be terminated by a metal wall 5.
GB1551253A 1953-06-05 1953-06-05 Improvements in or relating to terminations for ultra-high frequency transmission lines Expired GB771353A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1551253A GB771353A (en) 1953-06-05 1953-06-05 Improvements in or relating to terminations for ultra-high frequency transmission lines
DEE9091A DE963530C (en) 1953-06-05 1954-06-06 Terminating resistance of a high-frequency line, in particular a waveguide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1551253A GB771353A (en) 1953-06-05 1953-06-05 Improvements in or relating to terminations for ultra-high frequency transmission lines

Publications (1)

Publication Number Publication Date
GB771353A true GB771353A (en) 1957-04-03

Family

ID=10060438

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1551253A Expired GB771353A (en) 1953-06-05 1953-06-05 Improvements in or relating to terminations for ultra-high frequency transmission lines

Country Status (2)

Country Link
DE (1) DE963530C (en)
GB (1) GB771353A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109904574A (en) * 2019-02-21 2019-06-18 北京星英联微波科技有限责任公司 Waveguide load based on electromagnetic wave duality principle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144798B (en) * 1959-06-30 1963-03-07 Siemens Ag Terminating resistor for coaxial lines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2567210A (en) * 1947-07-23 1951-09-11 Sperry Corp Ultra-high-frequency attenuator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109904574A (en) * 2019-02-21 2019-06-18 北京星英联微波科技有限责任公司 Waveguide load based on electromagnetic wave duality principle
CN109904574B (en) * 2019-02-21 2024-05-14 北京星英联微波科技有限责任公司 Waveguide load based on electromagnetic wave grain bispin

Also Published As

Publication number Publication date
DE963530C (en) 1957-05-09

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