GB9200421D0 - A method for tuning a filter and a filter - Google Patents

A method for tuning a filter and a filter

Info

Publication number
GB9200421D0
GB9200421D0 GB929200421A GB9200421A GB9200421D0 GB 9200421 D0 GB9200421 D0 GB 9200421D0 GB 929200421 A GB929200421 A GB 929200421A GB 9200421 A GB9200421 A GB 9200421A GB 9200421 D0 GB9200421 D0 GB 9200421D0
Authority
GB
United Kingdom
Prior art keywords
filter
tuning
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.)
Withdrawn
Application number
GB929200421A
Other versions
GB2253522A (en
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.)
Solitra Oy
Original Assignee
Solitra Oy
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 Solitra Oy filed Critical Solitra Oy
Publication of GB9200421D0 publication Critical patent/GB9200421D0/en
Publication of GB2253522A publication Critical patent/GB2253522A/en
Withdrawn legal-status Critical Current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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/04—Coaxial resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/14—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by auxiliary power

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB9200421A 1991-01-11 1992-01-09 Method of tuning a filter. Withdrawn GB2253522A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI910158A FI89429C (en) 1991-01-11 1991-01-11 Duplex filters

Publications (2)

Publication Number Publication Date
GB9200421D0 true GB9200421D0 (en) 1992-02-26
GB2253522A GB2253522A (en) 1992-09-09

Family

ID=8531720

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9200421A Withdrawn GB2253522A (en) 1991-01-11 1992-01-09 Method of tuning a filter.

Country Status (5)

Country Link
DE (1) DE4200388A1 (en)
FI (1) FI89429C (en)
FR (1) FR2673780B3 (en)
GB (1) GB2253522A (en)
SE (1) SE9200050A0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE513349C2 (en) * 1998-08-12 2000-08-28 Allgon Ab cavity resonator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2080126A5 (en) * 1970-02-24 1971-11-12 Thomson Csf
JPS5535560A (en) * 1978-09-04 1980-03-12 Matsushita Electric Ind Co Ltd Coaxial type filter
FR2509536A1 (en) * 1981-07-07 1983-01-14 Thomson Csf HYPERFREQUENCY FILTER COMPRISING COUPLINGS BETWEEN LINE TRUNCTIONS AND MEANS FOR ADJUSTING
GB2167244A (en) * 1984-11-16 1986-05-21 Int Standard Electric Corp Variable capacitor and band pass filter including a variable capacitor
GB2167243A (en) * 1984-11-16 1986-05-21 Int Standard Electric Corp Electronically tunable band pass filter

Also Published As

Publication number Publication date
SE9200050A0 (en) 1992-07-12
FI89429C (en) 1993-09-27
FI89429B (en) 1993-06-15
FI910158A (en) 1992-07-12
SE9200050D0 (en) 1992-01-09
FR2673780A1 (en) 1992-09-11
FI910158A0 (en) 1991-01-11
DE4200388A1 (en) 1992-07-16
FR2673780B3 (en) 1993-04-23
GB2253522A (en) 1992-09-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)