KR100212068B1 - Dielectric resonator type coupler for temperature compensated using antenna at mobile comm. station - Google Patents
Dielectric resonator type coupler for temperature compensated using antenna at mobile comm. station Download PDFInfo
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- KR100212068B1 KR100212068B1 KR1019960042256A KR19960042256A KR100212068B1 KR 100212068 B1 KR100212068 B1 KR 100212068B1 KR 1019960042256 A KR1019960042256 A KR 1019960042256A KR 19960042256 A KR19960042256 A KR 19960042256A KR 100212068 B1 KR100212068 B1 KR 100212068B1
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- filter
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- combiner
- coupler
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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
- H01P7/10—Dielectric resonators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/212—Frequency-selective devices, e.g. filters suppressing or attenuating harmonic frequencies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
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- Non-Reversible Transmitting Devices (AREA)
Abstract
본 발명은 마이크로파 여파기를 구비한 결합기에 관한 것으로 특히 온도보상 기능을 부여하여 온도변화에 의한 여파기의 주파수 변동을 줄인 여파기를 구비한 결합기에 관한 것으로,The present invention relates to a combiner having a microwave filter, and more particularly to a combiner having a filter for reducing a frequency fluctuation of a filter due to a temperature change by providing a temperature compensation function,
여파기 외함(5)을 열팽창이 작은 금속합금(인바,슈퍼인바 등)으로 구성하고 상하 부분은 평면으로하고 측면부분은 내부로 팽창하여 공진기 내부로 볼록하게 하여, 상하부분은 외부로 팽창하고, 측면부분은 내부로 팽창하여, 종합적으로 온도변화에 일정한 부피를 유지하여 공진주파수 변동을 줄이고 본 온도보상 여파기를 순차적으로 원형배열하여 양질의 많은 통신 채널을 수용하는 데 목적이 있다.The upper and lower portions of the filter housing 5 are made of a metal alloy having a small thermal expansion (invar, super invar, etc.), the upper and lower portions are flat, the side portions are expanded to the inside and are convex to the inside of the resonator, The purpose of this is to accommodate many high quality communication channels by reducing the resonance frequency fluctuation by keeping the volume constant with the temperature change comprehensively and by circularly arranging the temperature compensation filters sequentially.
본 발명은 온도보상 유전체 공진형 여파기와 순차적으로 원형배열된 결합기를 구비하여 온도의 변화에 상관없이 그 특성을 일정하게 유지하여 어떤 기후와 환경 조건에서도 양질의 여파특성을 보이고 안정된 통신 서비스를 제공하며 간단하고 정형된 형태의 결합으로 잡음의 유입을 줄이는 효과가 있는 이동통신 기지국 안테나용 온도보상 유전체 공진형 여과기 결합기이다.The present invention provides a temperature-compensating dielectric resonant filter and a sequential circular combiner to maintain stable characteristics regardless of temperature change to provide a stable communication service with good filter characteristics in any weather and environmental conditions This is a temperature-compensating dielectric resonator type filter coupler for mobile communication base station antennas that has a simple and shaped coupling to reduce the noise input.
Description
본 발명은 마이크로파 여파기를 구비한 결합기에 관한 것으로 특히 온도보상 기능을 부여하여 여파기 온도 변화에 의한 외함의 형태변화에 따른 주파수 변동을 줄인 여파기를 구비한 결합기에 관한 것이다.The present invention relates to a combiner having a microwave filter, and more particularly, to a combiner having a filter that reduces a frequency variation due to a change in shape of an enclosure due to a temperature change of a filter by providing a temperature compensation function.
일반적으로 공진 여파기의 공진은 외부에서 주는 진동 주파수가 그 물체의 설계된 공진 주파수와 같아진 상태이다. 즉 입력단으로 입사된 입력주파수가 여파기의 설계된 공지 주파수와 일치하는 현상인데 여파기의 설계된 공진 주파수를 결정짓는 요인은 여파기의 내부 부피와 공진기에 있다. 공진은 공진을 일으키는 주파수대의 파장과 공간이 일치하였을 때나 공진기의 길이가 공진 주파수의 파장과 일치하였을 때 이루어진다. 따라서 공진이 일어나는 내부 부피의 변화와 공진기의 길이 변화에 의하여 여파기의 설계된 공진 주파수가 변화하게 된다.Generally, the resonance of a resonant filter is a state in which the frequency of the external vibration is equal to the designed resonant frequency of the object. In other words, the input frequency incident on the input stage coincides with the designed designed frequency of the filter. The factor determining the designed resonance frequency of the filter is the resonator and the internal volume of the filter. The resonance occurs when the wavelength and space of the resonant frequency coincide with each other or when the length of the resonator coincides with the wavelength of the resonant frequency. Therefore, the designed resonance frequency of the filter is changed by the change of the internal volume where the resonance occurs and the length of the resonator.
이러한 여파기의 외함은 주로 금속으로 제작되는데 금속의 모양과 부피는 온도에 따라 변형되게 된다. 이렇게 금속의 변형으로 여파기 외함의 모양이 변하고 결과적으로 설계된 공진 주파수가 변한다.The enclosure of such a filter is mainly made of metal, and the shape and volume of the metal are deformed depending on the temperature. This deformation of the metal changes the shape of the filter enclosure and consequently changes the designed resonance frequency.
이런 형상은 통신에 있어서 필요로하는 주파수 외의 불요파가 유입되고 신호의 왜곡으로 양질의 통신과 안정된 통신을 방해하는 요인이 되고 있다.Such a shape is a factor that interferes with high-quality communication and stable communication due to the inflow of spurious waves other than the frequency required for communication and distortion of signals.
본 발명은 위와 같은 문제점을 해결하기 위하여 안출된 것으로 여파기 외함(5)을 열팽창이 작은 금속합금(인바,슈퍼인바 등)으로 구성하고 상하 부분은 평면으로하고 측면부분은 공진기 내부로 볼록하게 하여, 상하부분은 외부로 팽창하고, 측면부분은 내부로 팽창하여, 종합적으로 온도변화에 일정한 부피를 유지하여 공진 주파수 변동을 줄인다. 또한 본 온도보상 여파기를 순차적으로 원형배열하여 양질의 많은 통신채널을 수용하는 데 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a filter housing 5 which is made of a metal alloy having a small thermal expansion (invar, super invar, etc.), the upper and lower parts being planar, The upper and lower parts expand to the outside, and the side parts expand to the inside, and the resonance frequency fluctuation is reduced by maintaining a constant volume in the temperature change comprehensively. It is also aimed to accommodate a large number of high quality communication channels by arranging the temperature compensation filters sequentially in a circle.
제1(a)도는 본 발명의 평면도.1 (a) and 1 (b) are plan views of the present invention.
(b)도는 본 발명의 유전체 공진형 대역통과 여파기의 상세도.(b) is a detailed view of the dielectric resonant band-pass filter of the present invention.
(c)도는 본 발명의 측면도.(c) is a side view of the present invention.
(d)도는 본 발명의 평판형 불평형 급전선 결합기 상세도.(d) is a detailed view of the planar unbalanced feeder coupler of the present invention.
* 도면의 주요부분에 대한 부호의 설명DESCRIPTION OF THE REFERENCE NUMERALS
1 : 입력 콘넥터 2 : 출력점1: Input connector 2: Output point
3 : 유전체 공진소자 4 : 주파수 조정장치3: Dielectric resonance element 4: Frequency adjusting device
5 : 여파기 외함 6 : 여파기 결합기 콘넥터5: Filter enclosure 6: Filter coupler connector
7 : 양단합성기 재합성한 출력콘넥터 8 : 평판형 불평형 급전선 결합기7: Synthesized output connector 8: Flat unbalanced feeder coupler
12 : 금속평철형 도체 13 : 평판형 외부 금속도체12: metal flat conductor 13: flat external metal conductor
본 발명은 상기의 목적을 달성하기 위하여 안출된 것으로SUMMARY OF THE INVENTION The present invention has been made to achieve the above object
그 구성은 크게 몸체인 여파기 외함(5)과; 주파수 입, 출력을 담당하는 고주파 입, 출력 콘넥터부와; 주파수 조정장치(4)와; 입력된 주파수를 내부에서 공진시키는 공진부로 이루어지는 여파기와 본 온도보상 여파기를 순차적으로 원형배열하여 여파기 결합기 콘넥터(6)을 중심으로 모이는 형태를 하는 결합기로 나눌 수 있다.The configuration comprises a filter housing 5, which is largely a body; A high frequency input / output connector unit for inputting and outputting frequencies; A frequency adjusting device 4; A resonator in which the input frequency is resonated in the resonator, and a resonator in which the temperature compensator is circularly arranged in order and the filter coupler connector 6 is centered.
본 발명의 구성과 동작원리를 일실시예를 통하여 상세히 설명하면, 제1(a)도는 본 발명의 측면도를; (b)도는 본 발명의 유전체 공진형 대역통과 여파기의 상세도를; (c)도는 본 발명의 측면도를; (d)도는 본 발명의 평판형 불평형 급전선 결합기 상세도를 보이고 있다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. (b) is a detailed view of the dielectric resonant band-pass filter of the present invention; (c) is a side view of the present invention; (d) shows a detailed view of the planar unbalanced feeder combiner of the present invention.
상기 도면에 의하면, 본 발명은 여파기의 외부 몸체인 여파기 외함(5)과; 그 상단면에 주파수 조정장치(4)와; 일측 옆면에는 고주파수를 입력하는 입력 콘넥터(1)와; 타측 옆면에는 고주파수를 출력하는 출력점(2)과; 여파기 내부의 중심부에 유전체 공진소자(3)와; 원판형의 모양으로 각 온도보상 유전체 여파기를 결합하는 평판형 불평형 급전선 결합기(8)와; 전체적인 온도 보상 유전체 여파기를 최종적으로 결합하는 양단합성기 재합성한 출력콘낵터(7)와; 평판형 불평형 급전선 결합기(8)의 내부에 위치하는 금속평철형 도체(12)와; 평판형 불평형 급전선 결합기(8)의 외부에 설치되는 평판형 외부 금속도체(13)로 구성된다.According to this figure, the present invention comprises a filter housing (5) which is the outer body of the filter; A frequency adjusting device 4 on the upper face thereof; An input connector 1 for inputting a high frequency on one side surface; An output point 2 for outputting a high frequency on the other side surface; A dielectric resonator element 3 in the center of the filter; A flat unbalanced feeder line coupler (8) for coupling each temperature compensating dielectric filter in the form of a disk; An output connector (7) synthesized as a double-ended synthesizer which finally combines the entire temperature-compensating dielectric filter; A metal flat conductor 12 located inside the flat unbalanced feeder line coupler 8; And a flat plate type external metal conductor 13 provided outside the plate type unbalanced feeder line coupler 8.
특히, 여파기의 외부 몸체인 여파기 외함(5)은 육면체로써 4개의 옆면은 내부로 굴곡 함몰된 형태를 이루고 윗면과 아랫면은 평면을 이루고 있다.In particular, the filter housing (5), which is the outer body of the filter, is a hexahedron having four side surfaces bent inward, and the upper surface and the lower surface are flat.
상기의 구성으로 본 발명의 작용은 다음과 같다.The operation of the present invention with the above configuration is as follows.
신호를 담고 있는 주파수는 입력 콘넥터(1)를 통해 여파기 외함(5) 내부로 유입된다. 유입된 주파수는 여파기 외함(5) 내부를 진동시키게 되는데 이 진동은 유전체 공진소자(3)와 주파수 조정장치(4)에 의해 설정된 공진주파수로 동조된다. 이러한 현상을 상기에서 설명했듯이 공진이라 하는데 이 공진현상에 의해 만들어진 설계된 공진주파수는 출력점(2)을 진동시키고 본 고유 진동 주파수는 평판형 불평형 급전선 결합기(8)를 타고 여파기 결합기 콘넥터(6)를 거쳐 양단합성기 재합성한 출력콘넥터(7)로 전당되어 통신이 이루어지게 된다.The frequency containing the signal is introduced into the filter housing 5 through the input connector 1. The introduced frequency oscillates inside the filter housing 5, and this vibration is tuned to the resonance frequency set by the dielectric resonator element 3 and the frequency adjusting device 4. [ As described above, this phenomenon is referred to as resonance. The designed resonance frequency generated by the resonance phenomenon vibrates the output point 2, and this natural vibration frequency is transmitted to the filter coupler connector 6 via the flat unbalanced feeder line coupler 8 And the output connector 7, which is a composite of both ends of the synthesizer,
특히, 공진기의 설계된 공진주파수는 여파기의 내부 부피에 의해 변화하게되는데,In particular, the designed resonance frequency of the resonator changes with the internal volume of the filter,
본 발명의 여파기 외함(5)은 열팽창이 작은 금속합금(인바,슈퍼인바 등)으로 이루어지고 온도의 상승시 4개의 옆면이 열팽창으로 내부로 함몰되 들어가고 윗면과 아랫면의 간격은 옆면의 열팽창으로 넓어지게 된다. 역으로 온드의 하락시 4개의 옆면은 열수축으로 수축비에 따라 평탄면에 가깝도록 함몰 정도가 경미해지고 윗면과 아랫면의 간격은 옆면의 수축으로 좁아지데 된다. 이러한 일련의 과정으로 외부 온도의 변화에의해 여파기 외함(5)의 열팽창, 수축에도 내부 부피는 일정하게 유지된다.The filter housing 5 of the present invention is made of a metal alloy (invar, super invar, etc.) having a small thermal expansion. When the temperature rises, the four side faces are recessed by thermal expansion and the gap between the upper and lower faces widens as a thermal expansion . On the contrary, the four side faces of the ode are heat shrinkable, and the degree of depression is reduced to close to the flat surface due to the contraction ratio, and the gap between the upper surface and the lower surface is narrowed by the contraction of the side surface. As a result of this series of processes, the internal volume is kept constant even when thermal expansion and contraction of the filter housing 5 is caused by the change of the external temperature.
본 발명은 상기 설명한 일실시예에 국한되지 않고 다양하게 응용 실시할 수 있다.The present invention is not limited to the above-described embodiment, and various applications can be carried out.
상기에서 살펴본 바와 같이 본 발명은 온도보상 유전체 공진형 여과기와 순차적으로 원형배열된 결합기를 구비하여 온도의 변화에 상관없이 그 특성을 일정하게 유지하여 어떤 기후와 환경 조건에서도 양질의 여파특성을 보이고 안정된 통신 서비스를 제공하며 간단하고 정형된 형태의 결합으로 잡음의 유입을 줄이는 효과가 있다.As described above, the present invention provides a temperature-compensating dielectric resonator type filter and a sequential circular combiner to maintain a constant characteristic regardless of a change in temperature, so that the filter exhibits good filter characteristics in any weather and environmental conditions, It provides a communication service and it is effective to reduce the influx of noise by combining simple and shaped forms.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960042256A KR100212068B1 (en) | 1996-09-25 | 1996-09-25 | Dielectric resonator type coupler for temperature compensated using antenna at mobile comm. station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960042256A KR100212068B1 (en) | 1996-09-25 | 1996-09-25 | Dielectric resonator type coupler for temperature compensated using antenna at mobile comm. station |
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| Publication Number | Publication Date |
|---|---|
| KR19980022953A KR19980022953A (en) | 1998-07-06 |
| KR100212068B1 true KR100212068B1 (en) | 1999-08-02 |
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| KR1019960042256A KR100212068B1 (en) | 1996-09-25 | 1996-09-25 | Dielectric resonator type coupler for temperature compensated using antenna at mobile comm. station |
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