JPS5520021A - Channel branching filter for frequency variable large power - Google Patents

Channel branching filter for frequency variable large power

Info

Publication number
JPS5520021A
JPS5520021A JP9233178A JP9233178A JPS5520021A JP S5520021 A JPS5520021 A JP S5520021A JP 9233178 A JP9233178 A JP 9233178A JP 9233178 A JP9233178 A JP 9233178A JP S5520021 A JPS5520021 A JP S5520021A
Authority
JP
Japan
Prior art keywords
large power
frequency variable
branching filter
central frequency
insertion amount
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
JP9233178A
Other languages
Japanese (ja)
Inventor
Takao Itanami
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP9233178A priority Critical patent/JPS5520021A/en
Publication of JPS5520021A publication Critical patent/JPS5520021A/en
Pending 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
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

PURPOSE:To suppress the unnecessary mode with no impairment of the dielectric strength and then toi vary the central frequency by inserting the metal plate featuring the variable insertion amount to the surface which is parallel to both the tube axis and field directions of the resonator with the zero field. CONSTITUTION:Metal plate 12 functioning to vary the central frequency is inserted with a free insertion amount to the electric wall surface which is parallel to both the tube axis and field directions and with the zero field of the TE20 mode. The insertion amount of plate 12 is varied, and as a result the unnecessary mode can be suppressed without impairing the dielectric strength. And then the central frequency can be varied.
JP9233178A 1978-07-28 1978-07-28 Channel branching filter for frequency variable large power Pending JPS5520021A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9233178A JPS5520021A (en) 1978-07-28 1978-07-28 Channel branching filter for frequency variable large power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9233178A JPS5520021A (en) 1978-07-28 1978-07-28 Channel branching filter for frequency variable large power

Publications (1)

Publication Number Publication Date
JPS5520021A true JPS5520021A (en) 1980-02-13

Family

ID=14051398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9233178A Pending JPS5520021A (en) 1978-07-28 1978-07-28 Channel branching filter for frequency variable large power

Country Status (1)

Country Link
JP (1) JPS5520021A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0214042A (en) * 1989-05-02 1990-01-18 Zenzo Nakatsuka Weaving of discontinuous pattern
JPH0214043A (en) * 1989-05-02 1990-01-18 Zenzo Nakatsuka Weaving of vertical stripe pattern

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0214042A (en) * 1989-05-02 1990-01-18 Zenzo Nakatsuka Weaving of discontinuous pattern
JPH0214043A (en) * 1989-05-02 1990-01-18 Zenzo Nakatsuka Weaving of vertical stripe pattern

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