JPS6323803U - - Google Patents
Info
- Publication number
- JPS6323803U JPS6323803U JP11825886U JP11825886U JPS6323803U JP S6323803 U JPS6323803 U JP S6323803U JP 11825886 U JP11825886 U JP 11825886U JP 11825886 U JP11825886 U JP 11825886U JP S6323803 U JPS6323803 U JP S6323803U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- dielectric
- conductive film
- item
- inner peripheral
- 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
Links
- 239000000919 ceramic Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 6
- 239000003990 capacitor Substances 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
【図面の簡単な説明】
第1図は本考案に係る誘電体フイルタの断面図
、第2図は同じくその底面図、第3図は同じくそ
の動作を説明するための周波数減衰特性図、第4
図は従来の誘電体フイルタの断面図、第5図は同
じくその電気的等価回路図である。
A……バンドパスフイルタ、B……高調波帯域
阻止フイルタ、6……誘電体磁器、71〜73…
…貫通孔、81〜84……導電膜、G……ギヤツ
プ。[Brief Description of the Drawings] Figure 1 is a cross-sectional view of the dielectric filter according to the present invention, Figure 2 is a bottom view thereof, Figure 3 is a frequency attenuation characteristic diagram for explaining its operation, and Figure 4 is a diagram of its frequency attenuation characteristics.
The figure is a sectional view of a conventional dielectric filter, and FIG. 5 is an electrical equivalent circuit diagram thereof. A...Band pass filter, B...Harmonic band rejection filter, 6...Dielectric ceramic, 71-73...
...Through hole, 81-84...Conductive film, G...Gap.
Claims (1)
せた両面のうちの一面を開放端面とし開放端面を
除く外表面及び貫通孔内周面に導電膜を形成した
バンドパスフイルタと、誘電体磁器に貫通孔を設
け貫通孔を開口させた両面のうちの一面を開放端
面とし開放端面を除く外表面及び貫通孔内周面に
導電膜を形成し、貫通孔の内周面に形成された導
電膜及び誘電体磁器の外表面に形成された導電膜
をギヤツプによつて絶縁した高調波帯域阻止フイ
ルタとの組合せでなることを特徴とする誘電体フ
イルタ。 (2) 前記ギヤツプは、前記開放端面とは反対側
の端面側に形成されていることを特徴とする実用
新案登録請求の範囲第1項に記載の誘電体フイル
タ。 (3) 前記ギヤツプは、前記誘電体磁器の外表面
と前記貫通孔の内周面との境界部分を削除するこ
とによつて形成したことを特徴とする実用新案登
録請求の範囲第2項に記載の誘電体フイルタ。 (4) 前記バンドパスフイルタ及び前記高調波帯
域阻止フイルタは、誘電体磁器を共用しているこ
とを特徴とする実用新案登録請求の範囲第1項、
第2項または第3項に記載の誘電体フイルタ。 (5) 前記バンドパスフイルタは、複数の貫通孔
を有することを特徴とする実用新案登録請求の範
囲第1項、第2項、第3項または第4項に記載の
誘電体フイルタ。 (6) 前記バンドパスフイルタは、前記貫通孔の
内周面に形成された導電膜に導通する結合コンデ
ンサを有することを特徴とする実用新案登録請求
の範囲第1項、第2項、第3項、第4項または第
5項に記載の誘電体フイルタ。 (7) 前記高調波帯域阻止フイルタは、1個また
は複数の貫通孔を有することを特徴とする実用新
案登録請求の範囲第1項、第2項、第3項、第4
項、第5項または第6項に記載の誘電体フイルタ
。 (8) 前記高調波帯域阻止フイルタは、貫通孔の
内周面に形成した導電膜に外部配線が接続されて
いることを特徴とする実用新案登録請求の範囲第
1項、第2項、第3項、第4項、第5項、第6項
または第7項に記載の誘電体フイルタ。[Scope of Claim for Utility Model Registration] (1) A through hole is provided in dielectric porcelain, and one side of both surfaces with the through hole open is an open end surface, and a conductive film is provided on the outer surface other than the open end surface and the inner peripheral surface of the through hole. A conductive film is formed on the outer surface other than the open end surface and the inner circumferential surface of the through hole, and a conductive film is formed on the outer surface excluding the open end surface and the inner peripheral surface of the through hole. 1. A dielectric filter comprising a harmonic band rejection filter in which a conductive film formed on the inner peripheral surface of a hole and a conductive film formed on the outer surface of a dielectric ceramic are insulated by a gap. (2) The dielectric filter according to claim 1, wherein the gap is formed on an end surface opposite to the open end surface. (3) According to claim 2 of the utility model registration claim, the gap is formed by removing the boundary between the outer surface of the dielectric ceramic and the inner peripheral surface of the through hole. The dielectric filter described. (4) Claim 1 of the utility model registration claim, characterized in that the band pass filter and the harmonic band rejection filter share dielectric ceramic;
The dielectric filter according to item 2 or 3. (5) The dielectric filter according to claim 1, 2, 3, or 4, wherein the bandpass filter has a plurality of through holes. (6) The bandpass filter includes a coupling capacitor that is electrically connected to a conductive film formed on the inner peripheral surface of the through hole. 5. The dielectric filter according to item 4, item 5, or item 5. (7) Utility model registration claims 1, 2, 3, and 4, characterized in that the harmonic band rejection filter has one or more through holes.
6. The dielectric filter according to item 5 or 6. (8) The harmonic band rejection filter is characterized in that external wiring is connected to a conductive film formed on the inner peripheral surface of the through hole. The dielectric filter according to item 3, 4, 5, 6, or 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11825886U JPS6323803U (en) | 1986-07-30 | 1986-07-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11825886U JPS6323803U (en) | 1986-07-30 | 1986-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6323803U true JPS6323803U (en) | 1988-02-17 |
Family
ID=31004545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11825886U Pending JPS6323803U (en) | 1986-07-30 | 1986-07-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6323803U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022209457A1 (en) * | 2021-03-29 | 2022-10-06 | 株式会社村田製作所 | Dielectric resonator, and dielectric filter and multiplexer using same |
-
1986
- 1986-07-30 JP JP11825886U patent/JPS6323803U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022209457A1 (en) * | 2021-03-29 | 2022-10-06 | 株式会社村田製作所 | Dielectric resonator, and dielectric filter and multiplexer using same |
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