JP7504329B2 - フィルタ回路 - Google Patents
フィルタ回路 Download PDFInfo
- Publication number
- JP7504329B2 JP7504329B2 JP2024522173A JP2024522173A JP7504329B2 JP 7504329 B2 JP7504329 B2 JP 7504329B2 JP 2024522173 A JP2024522173 A JP 2024522173A JP 2024522173 A JP2024522173 A JP 2024522173A JP 7504329 B2 JP7504329 B2 JP 7504329B2
- Authority
- JP
- Japan
- Prior art keywords
- winding
- effect transistor
- field effect
- junction field
- drain
- 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.)
- Active
Links
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H1/0007—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network of radio frequency interference filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
- H03H2001/005—Wound, ring or feed-through type inductor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
- H03H2001/0057—Constructional details comprising magnetic material
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2210/00—Indexing scheme relating to details of tunable filters
- H03H2210/02—Variable filter component
- H03H2210/026—Inductor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2210/00—Indexing scheme relating to details of tunable filters
- H03H2210/03—Type of tuning
- H03H2210/033—Continuous
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Networks Using Active Elements (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2022/027333 WO2024013834A1 (ja) | 2022-07-12 | 2022-07-12 | フィルタ回路 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2024013834A1 JPWO2024013834A1 (https=) | 2024-01-18 |
| JP7504329B2 true JP7504329B2 (ja) | 2024-06-21 |
| JPWO2024013834A5 JPWO2024013834A5 (https=) | 2024-07-02 |
Family
ID=89536124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024522173A Active JP7504329B2 (ja) | 2022-07-12 | 2022-07-12 | フィルタ回路 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20250119119A1 (https=) |
| JP (1) | JP7504329B2 (https=) |
| CN (1) | CN119487751A (https=) |
| DE (1) | DE112022007219B4 (https=) |
| WO (1) | WO2024013834A1 (https=) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007243725A (ja) | 2006-03-09 | 2007-09-20 | Tdk Corp | アクティブ型フィルタ |
| JP2019149675A (ja) | 2018-02-27 | 2019-09-05 | 日本電信電話株式会社 | アクティブノイズフィルタおよびアクティブノイズフィルタの特性制御方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07115339A (ja) * | 1993-10-18 | 1995-05-02 | Hanshin Densen Kk | ラインフィルタおよびラインフィルタのインピーダンス変化方法 |
| WO2011136232A1 (ja) | 2010-04-26 | 2011-11-03 | Terakawa Takashige | ノイズ減衰器 |
| JP6593282B2 (ja) * | 2016-09-01 | 2019-10-23 | 日本電信電話株式会社 | 妨害波抑制フィルタ |
-
2022
- 2022-07-12 WO PCT/JP2022/027333 patent/WO2024013834A1/ja not_active Ceased
- 2022-07-12 JP JP2024522173A patent/JP7504329B2/ja active Active
- 2022-07-12 CN CN202280097846.4A patent/CN119487751A/zh active Pending
- 2022-07-12 DE DE112022007219.9T patent/DE112022007219B4/de active Active
-
2024
- 2024-12-16 US US18/982,137 patent/US20250119119A1/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007243725A (ja) | 2006-03-09 | 2007-09-20 | Tdk Corp | アクティブ型フィルタ |
| JP2019149675A (ja) | 2018-02-27 | 2019-09-05 | 日本電信電話株式会社 | アクティブノイズフィルタおよびアクティブノイズフィルタの特性制御方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119487751A (zh) | 2025-02-18 |
| DE112022007219B4 (de) | 2025-09-04 |
| JPWO2024013834A1 (https=) | 2024-01-18 |
| WO2024013834A1 (ja) | 2024-01-18 |
| DE112022007219T5 (de) | 2025-03-13 |
| US20250119119A1 (en) | 2025-04-10 |
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