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FI78797B - Keramiskt bandpassfilter. - Google Patents

Keramiskt bandpassfilter. Download PDF

Info

Publication number
FI78797B
FI78797B FI833746A FI833746A FI78797B FI 78797 B FI78797 B FI 78797B FI 833746 A FI833746 A FI 833746A FI 833746 A FI833746 A FI 833746A FI 78797 B FI78797 B FI 78797B
Authority
FI
Finland
Prior art keywords
bandpass filter
filter
holes
hole
conductive material
Prior art date
Application number
FI833746A
Other languages
English (en)
Finnish (fi)
Other versions
FI833746A0 (fi
FI833746A (fi
FI78797C (sv
Inventor
Raymond L Sokola
Charles Choi
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FI833746A0 publication Critical patent/FI833746A0/fi
Publication of FI833746A publication Critical patent/FI833746A/fi
Publication of FI78797B publication Critical patent/FI78797B/fi
Application granted granted Critical
Publication of FI78797C publication Critical patent/FI78797C/sv

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
    • H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Claims (10)

1. B&ndpaeefilter innefattande ett block (130) eom om-fattar ett dielektriekt material med over- och underytor, vil-ket dielektrieka block vidare inkluderar ätminetone företa och andra häl (101—106) som eträcker eig f rän överytan i riktning mot underytan därav och eom är rumeligt dieponerade p4 ett förbeetämt avetänd frän varandra; inelektrodorgan (124) eom är kopplade till nämnda företa häl (ΙΟΙ'» i det dielektrieka blocket; utelekrodorgan (125) eom är kopplade till nämnda andra häl (106) i det dielektrieka blocket; känneteck-nat av att inelektrodorganet (124) inbegriper ett ledande material och är anordnat pä det dielektrieka blocket pä ett förbeetämt avetänd frän ena änden av det företa hälet; att utelektrodorganet (125) inbegriper ett ledande material och är anordnat pä det dielektrieka blocket pä ett förbeetämt avetänd frän ena änden av det andra hälet; och att det dielektrieka blocket (130) är helt täckt med ett ledande material, med undantag för partier (140) eom omger in- och ut-elektrodorganen (124, 125) och nämnda företa ändar av de företa och andra hälen (101, 106), vilka ändar vidare är kapaci- tivt kopplade tili det omgivande, ledande materialet, varig©-. nom en förkortad koaxialreeonator bildae för varje h&l.
2. Bandpaeefilter enligt patentkravet 1, kännetecknat av att det dielektrieka blocket (130) omfattar ett block av ett dielektriekt material eom har formen av en parallellepi-ped .
3. Bandpaeefliter enligt patentkravet 1, kännetecknat av att ätminetone ett epär (110-114) finne anordnat i det dielektrieka blocket mellan nämnda häl för juetering av den elektrieka eignalkopplmgen frän inelektrodorganet tili utelektrodorganet .
4. Bandpaeefliter enligt patentkravet 3, kännetecknat av att epären (110-114) är täckta med ett ledande material.
FI833746A 1982-02-16 1983-10-14 Keramiskt bandpassfilter. FI78797C (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/349,346 US4431977A (en) 1982-02-16 1982-02-16 Ceramic bandpass filter
US34934682 1982-02-16
US8300092 1983-01-21
PCT/US1983/000092 WO1983002853A1 (en) 1982-02-16 1983-01-21 Ceramic bandpass filter

Publications (4)

Publication Number Publication Date
FI833746A0 FI833746A0 (fi) 1983-10-14
FI833746A FI833746A (fi) 1983-10-14
FI78797B true FI78797B (fi) 1989-05-31
FI78797C FI78797C (sv) 1989-09-11

Family

ID=23371997

Family Applications (1)

Application Number Title Priority Date Filing Date
FI833746A FI78797C (sv) 1982-02-16 1983-10-14 Keramiskt bandpassfilter.

Country Status (15)

Country Link
US (1) US4431977A (sv)
EP (1) EP0100350B1 (sv)
JP (1) JPH0728165B2 (sv)
KR (1) KR900008764B1 (sv)
AR (1) AR229727A1 (sv)
AU (1) AU555342B2 (sv)
CA (1) CA1186756A (sv)
DE (1) DE3377253D1 (sv)
DK (1) DK163617C (sv)
ES (1) ES519841A0 (sv)
FI (1) FI78797C (sv)
IL (1) IL67711A (sv)
MX (1) MX151970A (sv)
SG (1) SG73090G (sv)
WO (1) WO1983002853A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
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US7531755B2 (en) 2000-06-09 2009-05-12 Nokia Corporation Trimming of embedded structures

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IL67711A0 (en) 1983-05-15
SG73090G (en) 1990-11-23
AU1224483A (en) 1983-08-25
WO1983002853A1 (en) 1983-08-18
FI833746A0 (fi) 1983-10-14
DE3377253D1 (en) 1988-08-04
IL67711A (en) 1985-12-31
EP0100350B1 (en) 1988-06-29
ES8402996A1 (es) 1984-03-01
AR229727A1 (es) 1983-10-31
JPS59500198A (ja) 1984-02-02
DK163617B (da) 1992-03-16
FI833746A (fi) 1983-10-14
JPH0728165B2 (ja) 1995-03-29
DK394583D0 (da) 1983-08-30
US4431977A (en) 1984-02-14
ES519841A0 (es) 1984-03-01
CA1186756A (en) 1985-05-07
MX151970A (es) 1985-05-22
DK163617C (da) 1992-08-17
EP0100350A1 (en) 1984-02-15
AU555342B2 (en) 1986-09-18
FI78797C (sv) 1989-09-11
EP0100350A4 (en) 1984-06-29
KR900008764B1 (ko) 1990-11-29
DK394583A (da) 1983-08-30

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