KR102164927B1 - 손실결합 공동공진기의 q 측정방법 - Google Patents
손실결합 공동공진기의 q 측정방법 Download PDFInfo
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- KR102164927B1 KR102164927B1 KR1020190071384A KR20190071384A KR102164927B1 KR 102164927 B1 KR102164927 B1 KR 102164927B1 KR 1020190071384 A KR1020190071384 A KR 1020190071384A KR 20190071384 A KR20190071384 A KR 20190071384A KR 102164927 B1 KR102164927 B1 KR 102164927B1
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- 238000000691 measurement method Methods 0.000 title claims description 8
- 230000008878 coupling Effects 0.000 claims abstract description 62
- 238000010168 coupling process Methods 0.000 claims abstract description 62
- 238000005859 coupling reaction Methods 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000004020 conductor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 16
- 238000005259 measurement Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000001939 inductive effect Effects 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2688—Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/04—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
- G01R27/06—Measuring reflection coefficients; Measuring standing-wave ratio
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/013—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for obtaining desired frequency or temperature coefficient
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
Description
도 2는 결합손실과 리액턴스의 공동 임피던스를 스미스차트를 통해 나타낸 도면.
도 3은 결합손실만 이루어진 공동 임피던스를 스미스차트를 통해 나타낸 도면.
도 4는 손실저항을 보상한 공동 공진기의 임피던스를 스미스차트를 통해 나타낸 도면.
도 5는 결합손실과 인덕턴스가 포함된 임피던스를 측정하여 궤적을 스미스차트를 통해 나타낸 도면.
도 6은 손실결합 공동공진기의 임피던스를 측정하여 스미스차트를 통해 나타낸 도면.
도 7은 손실저항을 보상한 임피던스를 측정하여 스미스차트를 통해 나타낸 도면.
도 8은 전송선에서 직렬로 저항이 연결된 등가회로도.
20 : 전송라인
30 : 신호발생기
Claims (6)
- 손실결합 공동공진기의 공진특성을 나타내는 파라미터인 Q를 측정하는 방법에 있어서,
등가회로의 기준면 a-a에서 손실과 리액턴스를 고려하여 입력임피던스()를 구하는 제1단계;
부하임피던스 Z와 특정임피던스 Zo를 통하여 반사계수 를 구하는 제2단계;
상기 반사계수를 통하여 손실저항(Re)을 구하는 제3단계;
상기 손실저항(Re)을 보상한 임피던스 Zaa를 구하는 제4단계;
상기 제4단계에서 구한 임피던스 Zaa를 스미스차트를 이용하여 반사계수Γi에 대한 식으로 변환시키는 제5단계;
결합손실을 보상한 공진기의 임피던스를 스미스차트를 이용하여 계산하는 제6단계를 포함하는 것을 특징으로 하는 손실결합 공동공진기의 Q 측정방법.
- 제1항에 있어서, 상기 제6단계에서 계산한 공진기의 임피던스를 측정하여 궤적을 스미스차트를 통해 부하 Q와 결합계수를 구하여 무부하 Q를 계산하는 단계를 더 포함하는 것을 특징으로 하는 손실결합 공동공진기의 Q 측정방법.
- 제1항에 있어서, 상기 손실결합 공동공진기는
도체벽으로 둘러싸여 있으며, 공동의 공진현상을 이용한 공진기;
상기 공진기에 신호 및 전력을 전달하는 신호발생기;
상기 공진기에 신호 및 전력을 전달하는 연결라인을 포함하는 것을 특징으로 하는 손실결합 공동공진기의 Q 측정방법.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190071384A KR102164927B1 (ko) | 2019-06-17 | 2019-06-17 | 손실결합 공동공진기의 q 측정방법 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190071384A KR102164927B1 (ko) | 2019-06-17 | 2019-06-17 | 손실결합 공동공진기의 q 측정방법 |
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| Publication Number | Publication Date |
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| KR102164927B1 true KR102164927B1 (ko) | 2020-10-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219815A (zh) * | 2022-06-27 | 2022-10-21 | 中国电子科技集团公司第十三研究所 | 一种基于内切圆心的波导端口s参数校准方法及装置 |
| CN115629268A (zh) * | 2022-12-19 | 2023-01-20 | 天津伍嘉联创科技发展股份有限公司 | 一种测试音叉石英谐振器晶体参数的方法及系统 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01132117U (ko) * | 1988-03-02 | 1989-09-07 | ||
| KR20000061885A (ko) | 1999-03-31 | 2000-10-25 | 윤종용 | 전압제어발진기의 위상 잡음 감소용 공동공진기 및 그 제작방법 |
| KR20050041978A (ko) | 2003-10-31 | 2005-05-04 | 티디케이가부시기가이샤 | 분말 유전체의 비유전율 측정 방법, 이에 사용되는 공동공진기 및 적용 장치 |
| JP2006010492A (ja) * | 2004-06-25 | 2006-01-12 | Kyocera Corp | 電気的物性値測定法 |
| JP2006275614A (ja) * | 2005-03-28 | 2006-10-12 | Aet Inc | 空洞共振器を用いて複素誘電率を測定する装置 |
| KR20100132237A (ko) | 2009-06-09 | 2010-12-17 | 서울대학교산학협력단 | 미세가공 공동 공진기와 그 제조 방법 및 이를 이용한 대역통과 필터와 발진기 |
-
2019
- 2019-06-17 KR KR1020190071384A patent/KR102164927B1/ko active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01132117U (ko) * | 1988-03-02 | 1989-09-07 | ||
| KR20000061885A (ko) | 1999-03-31 | 2000-10-25 | 윤종용 | 전압제어발진기의 위상 잡음 감소용 공동공진기 및 그 제작방법 |
| KR20050041978A (ko) | 2003-10-31 | 2005-05-04 | 티디케이가부시기가이샤 | 분말 유전체의 비유전율 측정 방법, 이에 사용되는 공동공진기 및 적용 장치 |
| JP2006010492A (ja) * | 2004-06-25 | 2006-01-12 | Kyocera Corp | 電気的物性値測定法 |
| JP2006275614A (ja) * | 2005-03-28 | 2006-10-12 | Aet Inc | 空洞共振器を用いて複素誘電率を測定する装置 |
| KR20100132237A (ko) | 2009-06-09 | 2010-12-17 | 서울대학교산학협력단 | 미세가공 공동 공진기와 그 제조 방법 및 이를 이용한 대역통과 필터와 발진기 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219815A (zh) * | 2022-06-27 | 2022-10-21 | 中国电子科技集团公司第十三研究所 | 一种基于内切圆心的波导端口s参数校准方法及装置 |
| CN115629268A (zh) * | 2022-12-19 | 2023-01-20 | 天津伍嘉联创科技发展股份有限公司 | 一种测试音叉石英谐振器晶体参数的方法及系统 |
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