JPS5299750A - Zone filter - Google Patents

Zone filter

Info

Publication number
JPS5299750A
JPS5299750A JP1676076A JP1676076A JPS5299750A JP S5299750 A JPS5299750 A JP S5299750A JP 1676076 A JP1676076 A JP 1676076A JP 1676076 A JP1676076 A JP 1676076A JP S5299750 A JPS5299750 A JP S5299750A
Authority
JP
Japan
Prior art keywords
zone filter
small
accomplished
lower sides
resonance circuit
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
JP1676076A
Other languages
Japanese (ja)
Inventor
Shigeo Fujimori
Kenichi Torii
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1676076A priority Critical patent/JPS5299750A/en
Publication of JPS5299750A publication Critical patent/JPS5299750A/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
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H01P1/20327—Electromagnetic interstage coupling
    • H01P1/20354—Non-comb or non-interdigital filters
    • H01P1/20381—Special shape resonators
    • 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
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H01P1/20327—Electromagnetic interstage coupling
    • H01P1/20354—Non-comb or non-interdigital filters
    • H01P1/20372—Hairpin resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Filters And Equalizers (AREA)

Abstract

PURPOSE:To obtain a small type zone filter with a small gain reduction by removing the band waves on the upper and lower sides of signal which can be accomplished by effectively utilizing the characteristics of resonance circuit of zone filter provided with a distribution constant line and concentrated constant capacity element.
JP1676076A 1976-02-18 1976-02-18 Zone filter Pending JPS5299750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1676076A JPS5299750A (en) 1976-02-18 1976-02-18 Zone filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1676076A JPS5299750A (en) 1976-02-18 1976-02-18 Zone filter

Publications (1)

Publication Number Publication Date
JPS5299750A true JPS5299750A (en) 1977-08-22

Family

ID=11925179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1676076A Pending JPS5299750A (en) 1976-02-18 1976-02-18 Zone filter

Country Status (1)

Country Link
JP (1) JPS5299750A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103202A (en) * 1981-12-16 1983-06-20 Fujitsu Ltd Dielectric filter
JPS6314501A (en) * 1986-07-07 1988-01-21 Matsushita Electric Ind Co Ltd High frequency filter
EP0938153A1 (en) * 1998-02-24 1999-08-25 Murata Manufacturing Co., Ltd. Bandpass filter, duplexer , high-frequency module and communications device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103202A (en) * 1981-12-16 1983-06-20 Fujitsu Ltd Dielectric filter
JPS638641B2 (en) * 1981-12-16 1988-02-24 Fujitsu Ltd
JPS6314501A (en) * 1986-07-07 1988-01-21 Matsushita Electric Ind Co Ltd High frequency filter
EP0938153A1 (en) * 1998-02-24 1999-08-25 Murata Manufacturing Co., Ltd. Bandpass filter, duplexer , high-frequency module and communications device
US6326866B1 (en) 1998-02-24 2001-12-04 Murata Manufacturing Co., Ltd. Bandpass filter, duplexer, high-frequency module and communications device

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