HK1007860A1 - Variable inductance element - Google Patents
Variable inductance element Download PDFInfo
- Publication number
- HK1007860A1 HK1007860A1 HK98106853A HK98106853A HK1007860A1 HK 1007860 A1 HK1007860 A1 HK 1007860A1 HK 98106853 A HK98106853 A HK 98106853A HK 98106853 A HK98106853 A HK 98106853A HK 1007860 A1 HK1007860 A1 HK 1007860A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- switch
- inductor conductor
- variable inductance
- inductance element
- inductor
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/12—Variable inductances or transformers of the signal type discontinuously variable, e.g. tapped
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
-
- 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
- H01F27/006—Details of transformers or inductances, in general with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance
-
- 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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/40—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00 with at least one component covered by groups H10D10/00 or H10D18/00, e.g. integration of IGFETs with BJTs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F2017/0086—Printed inductances on semiconductor substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/12—Variable inductances or transformers of the signal type discontinuously variable, e.g. tapped
- H01F2021/125—Printed variable inductor with taps, e.g. for VCO
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Semiconductor Integrated Circuits (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP311276/93 | 1993-11-17 | ||
| JP31127693A JP3318086B2 (ja) | 1993-11-17 | 1993-11-17 | インダクタンス可変素子 |
| JP197210/94 | 1994-07-29 | ||
| JP19721094A JP3563113B2 (ja) | 1994-07-29 | 1994-07-29 | インダクタンス可変素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HK1007860A1 true HK1007860A1 (en) | 1999-04-23 |
| HK1007860B HK1007860B (en) | 1999-04-23 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| DE69408791D1 (de) | 1998-04-09 |
| US5629553A (en) | 1997-05-13 |
| DE69408791T2 (de) | 1998-10-22 |
| TW262595B (enExample) | 1995-11-11 |
| EP0654802A1 (en) | 1995-05-24 |
| KR950015422A (ko) | 1995-06-16 |
| KR100316220B1 (ko) | 2002-04-24 |
| EP0654802B1 (en) | 1998-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PF | Patent in force | ||
| PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20061116 |