JPS5444853A - Directional coupler - Google Patents

Directional coupler

Info

Publication number
JPS5444853A
JPS5444853A JP11188277A JP11188277A JPS5444853A JP S5444853 A JPS5444853 A JP S5444853A JP 11188277 A JP11188277 A JP 11188277A JP 11188277 A JP11188277 A JP 11188277A JP S5444853 A JPS5444853 A JP S5444853A
Authority
JP
Japan
Prior art keywords
frequency range
conductors
conversion
broad frequency
coupling lines
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.)
Pending
Application number
JP11188277A
Other languages
Japanese (ja)
Inventor
Masaaki Tsuji
Osamu Nitta
Norimoto Abe
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable 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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP11188277A priority Critical patent/JPS5444853A/en
Publication of JPS5444853A publication Critical patent/JPS5444853A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port

Abstract

PURPOSE:To make it possible to use the coupler over the broad frequency range by matching characteristic impedance in an even mode (EVENMODE), by constituting it by extending the grounded conductor of the conversion conductor in the length direction of the coupling lines. CONSTITUTION:Grounded conductors 6 and 6' of conversion conductors 5 and 5' have extension parts 8 and 8' provided in the length directions of coupling lines 1 and 1'. Reflection damping characteristics and leakage damping characteristics when extension parts 8 and 8' are provided and when no parts are provided are shown in (a) and (b) and both characteristics are improved by 7 to 10dB, so that the use in a broad frequency range can be made possible.
JP11188277A 1977-09-16 1977-09-16 Directional coupler Pending JPS5444853A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11188277A JPS5444853A (en) 1977-09-16 1977-09-16 Directional coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11188277A JPS5444853A (en) 1977-09-16 1977-09-16 Directional coupler

Publications (1)

Publication Number Publication Date
JPS5444853A true JPS5444853A (en) 1979-04-09

Family

ID=14572508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11188277A Pending JPS5444853A (en) 1977-09-16 1977-09-16 Directional coupler

Country Status (1)

Country Link
JP (1) JPS5444853A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011023785A (en) * 2009-07-13 2011-02-03 Murata Mfg Co Ltd Directional coupler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011023785A (en) * 2009-07-13 2011-02-03 Murata Mfg Co Ltd Directional coupler

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