JPS631441Y2 - - Google Patents

Info

Publication number
JPS631441Y2
JPS631441Y2 JP1982076893U JP7689382U JPS631441Y2 JP S631441 Y2 JPS631441 Y2 JP S631441Y2 JP 1982076893 U JP1982076893 U JP 1982076893U JP 7689382 U JP7689382 U JP 7689382U JP S631441 Y2 JPS631441 Y2 JP S631441Y2
Authority
JP
Japan
Prior art keywords
circuit
intermediate frequency
frequency band
trap
waver
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
JP1982076893U
Other languages
English (en)
Japanese (ja)
Other versions
JPS58182501U (ja
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 filed Critical
Priority to JP1982076893U priority Critical patent/JPS58182501U/ja
Priority to US06/498,455 priority patent/US4490699A/en
Publication of JPS58182501U publication Critical patent/JPS58182501U/ja
Application granted granted Critical
Publication of JPS631441Y2 publication Critical patent/JPS631441Y2/ja
Granted 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
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2053—Comb or interdigital filters; Cascaded coaxial cavities the coaxial cavity resonators being disposed parall to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Filters And Equalizers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
JP1982076893U 1982-05-27 1982-05-27 中間周波帯域炉波器 Granted JPS58182501U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1982076893U JPS58182501U (ja) 1982-05-27 1982-05-27 中間周波帯域炉波器
US06/498,455 US4490699A (en) 1982-05-27 1983-05-26 Intermediate frequency band-pass filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982076893U JPS58182501U (ja) 1982-05-27 1982-05-27 中間周波帯域炉波器

Publications (2)

Publication Number Publication Date
JPS58182501U JPS58182501U (ja) 1983-12-05
JPS631441Y2 true JPS631441Y2 (en]) 1988-01-14

Family

ID=13618319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982076893U Granted JPS58182501U (ja) 1982-05-27 1982-05-27 中間周波帯域炉波器

Country Status (2)

Country Link
US (1) US4490699A (en])
JP (1) JPS58182501U (en])

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4661998A (en) * 1983-09-22 1987-04-28 Matsushita Electric Industrial Co. Ltd. Double superheterodyne tuner
US4619000A (en) * 1984-09-24 1986-10-21 John Ma CATV converter having improved tuning circuits
AU626688B2 (en) * 1989-06-19 1992-08-06 Philips Electronics Australia Limited A filter
EP0404225A3 (en) * 1989-06-19 1992-07-01 Koninklijke Philips Electronics N.V. Radio receiver
US5032807A (en) * 1989-07-10 1991-07-16 General Instrument Corporation Notch filter using helical transmission line and coaxial capacitor
FI87405C (fi) * 1990-02-07 1992-12-28 Lk Products Oy Hoegfrekvensfilter
FI93404C (fi) * 1993-04-08 1995-03-27 Lk Products Oy Menetelmä kytkentäaukon tekemiseksi radiotaajuussuodattimen helix-resonaattoreiden väliseen väliseinään sekä suodatin
FI119402B (fi) * 2004-03-22 2008-10-31 Filtronic Comtek Oy Järjestely suodattimen lähtösignaalin jakamiseksi
TWM310531U (en) * 2006-08-23 2007-04-21 Frontier Electronics Co Ltd Coupling filter device with specific coupling coefficient
CN104934669B (zh) * 2015-06-15 2018-02-27 华南理工大学 一种带宽可控的双频螺旋腔滤波器
CN114400426A (zh) * 2021-11-25 2022-04-26 南京航空航天大学 一种基于液体介质的可调螺旋腔体滤波器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819391A (en) * 1954-03-25 1958-01-07 Sol L Reiches Superheterodyne tuner with image frequency trays which tracks with local oscillator and antenna resonators
US3337791A (en) * 1964-08-20 1967-08-22 Rca Corp Frequency multiplier
US3621484A (en) * 1970-03-05 1971-11-16 Motorola Inc Helical resonator having variable capacitor which includes windings of reduced diameter as one plate thereof

Also Published As

Publication number Publication date
JPS58182501U (ja) 1983-12-05
US4490699A (en) 1984-12-25

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