JPS625619U - - Google Patents
Info
- Publication number
- JPS625619U JPS625619U JP9578385U JP9578385U JPS625619U JP S625619 U JPS625619 U JP S625619U JP 9578385 U JP9578385 U JP 9578385U JP 9578385 U JP9578385 U JP 9578385U JP S625619 U JPS625619 U JP S625619U
- Authority
- JP
- Japan
- Prior art keywords
- intermediate frequency
- frequency transformer
- laminated
- magnetic
- magnetic core
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Description
第１図は、本考案による積層チツプ可変中間周
波トランスの原理を示す原理図である。第２図は
、第１図のａ―ａ′線から見た場合の断面図であ
る。第３図は、第２図の磁心の各位置Ａ，Ｂ，Ｃ
に対応してインダクタンスの変化を示すグラフ図
である。第４図は、インダクタンスの変化による
周波数選択特性を示すグラフ図である。第５図は
、本考案による積層チツプ可変中間周波トランス
の斜視図である。第６図〜第１１図は、従来技術
による積層トランス部分の製造工程を示す平面図
である。第１２図〜第１５図は、従来技術による
積層コンデンサ部分の製造工程を示す平面図であ
る。第１６図は、従来技術の積層トランス部分と
積層コンデンサ部分とを圧締めする様子を示す斜
視図である。第１７図は、従来技術の焼成後の積
層チツプ可変中間周波トランスの斜視図である。
第１８図は、従来技術の積層チツプ可変中間周波
トランスの断面図である。第１９図は、第１８図
の等価回路図である。図中の各番号が示す名称を
以下に挙げる。なお、同一番号は同一部位を示す
ものとする。
１：磁心、２，２：積層トランス部分、３：非
磁性体層、４：貫通孔、５：トリマー、６：フラ
ンジ、７：外部電極、８，１０，１２，１４，１
６：強磁性体層、９，１１，１３，１５：（一次
コイル巻線用）導体層、１７：穴、１８，２０，
２２：誘電体層、１９，２１：導体層、２３：積
層トランス部分、２４：クラツク防止層、２５：
積層コンデンサ部分、２６：積層体、２７：磁気
コア、２８，２９：外部電極、３０：積層コンデ
ンサ部分、ａ，ｃ：一次コイル巻線用電極引出し
部、ｂ：中点タツプ用引出し部、ｄ，ｅ：一次コ
イル巻線用電極引出し部、ｆ，ｇ：積層コンデン
サ用電極引出し部。
FIG. 1 is a diagram showing the principle of a multilayer chip variable intermediate frequency transformer according to the present invention. FIG. 2 is a cross-sectional view taken along line aa' in FIG. 1. Figure 3 shows the positions A, B, and C of the magnetic core in Figure 2.
FIG. 3 is a graph diagram showing changes in inductance in response to the change in inductance. FIG. 4 is a graph showing frequency selection characteristics due to changes in inductance. FIG. 5 is a perspective view of a multilayer chip variable intermediate frequency transformer according to the present invention. 6 to 11 are plan views showing the manufacturing process of a laminated transformer portion according to the prior art. 12 to 15 are plan views showing the manufacturing process of a multilayer capacitor portion according to the prior art. FIG. 16 is a perspective view showing how a conventional multilayer transformer portion and a multilayer capacitor portion are clamped together. FIG. 17 is a perspective view of a prior art laminated chip variable intermediate frequency transformer after firing.
FIG. 18 is a sectional view of a conventional multilayer chip variable intermediate frequency transformer. FIG. 19 is an equivalent circuit diagram of FIG. 18. The names indicated by each number in the figure are listed below. Note that the same numbers indicate the same parts. 1: Magnetic core, 2, 2: Laminated transformer portion, 3: Non-magnetic layer, 4: Through hole, 5: Trimmer, 6: Flange, 7: External electrode, 8, 10, 12, 14, 1
6: Ferromagnetic layer, 9, 11, 13, 15: conductor layer (for primary coil winding), 17: hole, 18, 20,
22: dielectric layer, 19, 21: conductor layer, 23: laminated transformer portion, 24: crack prevention layer, 25:
Multilayer capacitor part, 26: Laminate, 27: Magnetic core, 28, 29: External electrode, 30: Multilayer capacitor part, a, c: Primary coil winding electrode lead-out part, b: Center point tap lead-out part, d , e: Electrode extension part for primary coil winding, f, g: Electrode extension part for multilayer capacitor.
Claims (1)
層により構成される積層トランス部分と、 この積層トランス部分の少なくとも一箇所に形
成された非磁性体層と、 磁性体層と非磁性体層を貫通する貫通孔とを備
える積層チツプ可変中間周波トランスであつて、 前記貫通孔内の磁気コア部材の移動によりイン
ダクタンスが調整できることを特徴とする積層チ
ツプ可変中間周波トランス。 (2) 前記磁気コア部材は、磁心とトリマーとフ
ランジを備え、トリマーとフランジは非磁性材料
で構成され、フランジに対するトリマーの回転に
より磁心が移動する実用新案登録請求の範囲第(1
)項記載の積層チツプ可変中間周波トランス。 (3) 前記積層チツプ可変中間周波トランスは誘
導体層を備えている実用新案登録請求の範囲第(1
)項記載の積層チツプ可変中間周波トランス。[Claims for Utility Model Registration] (1) A laminated transformer portion composed of a magnetic layer and a conductor layer formed on the magnetic layer, and a non-magnetic layer formed at at least one location in the laminated transformer portion. A multilayer chip variable intermediate frequency transformer comprising a through hole penetrating a magnetic layer and a nonmagnetic layer, wherein the inductance can be adjusted by moving a magnetic core member within the through hole. intermediate frequency transformer. (2) The magnetic core member includes a magnetic core, a trimmer, and a flange, the trimmer and the flange are made of non-magnetic material, and the magnetic core moves by rotation of the trimmer with respect to the flange.
) The laminated chip variable intermediate frequency transformer described in item ). (3) The laminated chip variable intermediate frequency transformer is provided with a dielectric layer.
) The laminated chip variable intermediate frequency transformer described in item ).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9578385U JPH039302Y2 (en) | 1985-06-26 | 1985-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9578385U JPH039302Y2 (en) | 1985-06-26 | 1985-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS625619U true JPS625619U (en) | 1987-01-14 |
| JPH039302Y2 JPH039302Y2 (en) | 1991-03-08 |
Family
ID=30960774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9578385U Expired JPH039302Y2 (en) | 1985-06-26 | 1985-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH039302Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019229939A1 (en) * | 2018-05-31 | 2019-12-05 | 三菱電機株式会社 | Noise filter and electric/electronic apparatus |
-
1985
- 1985-06-26 JP JP9578385U patent/JPH039302Y2/ja not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019229939A1 (en) * | 2018-05-31 | 2019-12-05 | 三菱電機株式会社 | Noise filter and electric/electronic apparatus |
| JPWO2019229939A1 (en) * | 2018-05-31 | 2020-12-10 | 三菱電機株式会社 | Noise filters and electrical and electronic equipment |
| CN112136272A (en) * | 2018-05-31 | 2020-12-25 | 三菱电机株式会社 | Noise filter and electric and electronic device |
| US11381213B2 (en) | 2018-05-31 | 2022-07-05 | Mitsubishi Electric Corporation | Noise filter and electrical and electronic equipment |
| DE112018007531B4 (en) | 2018-05-31 | 2022-09-22 | Mitsubishi Electric Corporation | NOISE FILTER AND ELECTRICAL AND ELECTRONIC DEVICE |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH039302Y2 (en) | 1991-03-08 |
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