WO2010150934A1 - 엔포트 피딩 시스템 및 이에 포함된 페이즈 쉬프터, 지연 소자 - Google Patents
엔포트 피딩 시스템 및 이에 포함된 페이즈 쉬프터, 지연 소자 Download PDFInfo
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- WO2010150934A1 WO2010150934A1 PCT/KR2009/003615 KR2009003615W WO2010150934A1 WO 2010150934 A1 WO2010150934 A1 WO 2010150934A1 KR 2009003615 W KR2009003615 W KR 2009003615W WO 2010150934 A1 WO2010150934 A1 WO 2010150934A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/184—Strip line phase-shifters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
Definitions
- the present invention relates to a feeding system and a phase shifter and a delay element included therein, and more particularly, to a feeding system and a phase shifter and a delay element included therein to feed power using 'U' shaped metal patterns. will be.
- the feeding system is a device that supplies power input from the outside to another device through an output terminal, and may be, for example, a phase shifter used in an antenna as shown in FIG. 1 below.
- 1 is a diagram illustrating a general antenna.
- the antenna includes a reflector plate 100, a plurality of phase shifters 102 formed on one side of the reflector plate 100, and a plurality of radiation elements 104 formed on the other side of the reflector plate 100. Include.
- the phase shifter 102 adjusts the angle of the beam output from the radiation elements 104, that is, the inclination angle, by varying the phase of the power (RF signal) transmitted to the corresponding radiation elements 104.
- phase shifter 102 Generally, three radiating elements 104 are connected to one phase shifter 102, so to power a plurality of radiating elements 104, for example 15 radiating elements, ie 15 ports.
- Five phase shifters 102 are required to implement. Accordingly, five phase shifters 102 may be arranged in series on one surface of the reflector 100, and as a result, the size of the antenna may be increased.
- phase shifters 102 are controlled separately, it is not only easy to control the inclination angle of the antenna to a desired angle, but also it is inconvenient.
- a phase shifter comprises a first substrate; A first pattern being a conductor arranged on the first substrate; A second substrate spaced apart from the first substrate; And a second pattern which is a conductor arranged on the second substrate.
- the first pattern and the second pattern overlap, and the electrical length of the overlapping portion of the patterns is changed when the phase is changed.
- the first pattern has an inverted 'U' shape
- the second pattern has a 'U' shape, and a right portion of the first pattern and a left portion of the second pattern overlap.
- a first dielectric layer having a predetermined dielectric constant exists between the first pattern and the second pattern.
- a plurality of first patterns are arranged on the first substrate, and a plurality of second patterns are arranged on the second substrate, and third patterns electrically connected to the central portions of the first patterns are further arranged on the first substrate.
- the third patterns are electrically connected to corresponding radiation elements, and the first patterns are electrically connected to each other through corresponding second patterns.
- Some of the first patterns and the corresponding third pattern are electrically connected through a coupling method, and the other first pattern and the corresponding third pattern are directly connected.
- a second dielectric layer is present between the first pattern connected through the coupling method and the third pattern.
- At least one of the third patterns has a different length or width than the other third patterns.
- a coupling prevention element is further formed on the first substrate to prevent coupling between the third patterns.
- Some of the power supplied to the left part of the particular first pattern (the left part of the inverted 'U' shape) is provided through the coupling method from the center part (the central part of the inverted 'U' shape) to the corresponding third pattern.
- the remaining power is provided from the center portion to the right portion (the right portion of the inverted 'U' shape), wherein the width of the portion of the left portion of the first pattern is different from the width of the other portion.
- the length of the third pattern is changed in proportion to the frequency of the phase shifter.
- the phase is variable, the first substrate is fixed, the second substrate is variable, some of the second patterns have a different shape from other second patterns, and a ground plate is formed on the rear surface of the first substrate.
- Sub-phase shifter comprises a first substrate; And a first pattern which is a conductor arranged on the first substrate.
- the first pattern overlaps a second pattern, which is a conductor arranged on a second substrate positioned at a predetermined distance from the first substrate, and an electrical length of a portion where the patterns overlap is changed when the phase is changed.
- the first pattern has an inverted 'U' shape
- the second pattern has a 'U' shape
- the right part of the first pattern and the left part of the second pattern overlap.
- a first dielectric layer is arranged on the first pattern, and the first dielectric layer is positioned between the first pattern and the second pattern.
- a plurality of first patterns are arranged on the first substrate, and a plurality of second patterns are arranged on the second substrate, wherein the first patterns are electrically connected to each other through corresponding second patterns, and the sub phase shifter And third patterns electrically connected to central portions of the first patterns on the first substrate, the third patterns being electrically connected to corresponding radiation elements.
- Some of the first patterns and the corresponding third pattern are electrically connected through a coupling method, and the other first pattern and the corresponding third pattern are directly connected.
- the sub phase shifter further includes a second dielectric layer positioned between the first pattern and the third pattern connected through the coupling scheme.
- At least one of the third patterns has a different length or width than the other third patterns.
- the sub phase shifter further includes a coupling preventing element positioned between the third patterns to prevent coupling between the third patterns.
- Some of the power supplied to the left part of the particular first pattern (the left part of the inverted 'U' shape) is provided through the coupling method from the center part (the central part of the inverted 'U' shape) to the corresponding third pattern.
- the remaining power is provided from the center portion to the right portion (the right portion of the inverted 'U' shape), wherein the width of the portion of the left portion of the first pattern is different from the width of the other portion.
- the length of the third pattern is changed in proportion to the frequency of the phase shifter.
- a sub phase shifter includes: a second substrate positioned at a predetermined distance from a first substrate on which a first pattern of a conductor is arranged; And a second pattern, which is a conductor arranged on the second substrate, wherein the second pattern overlaps the first pattern, and an electrical length of the overlapping portion of the patterns is changed when the phase is changed.
- the first pattern has an inverted 'U' shape
- the second pattern has a 'U' shape
- the right part of the first pattern and the left part of the second pattern overlap.
- a delay device includes a first substrate; A first pattern arranged on the first substrate and being a conductor having an inverted 'U' shape; A second substrate spaced apart from the first substrate; And a second pattern arranged on the second substrate, the second pattern being a conductor having a 'U' shape, wherein a right side portion of the first pattern and a left side portion of the second pattern overlap each other, and overlapping of the patterns.
- the electrical length of the part changes in proportion to the phase delay.
- a dielectric layer is present between the first pattern and the second pattern.
- the second substrate is moved while the first substrate is fixed, and a ground plate is formed on the rear surface of the first substrate.
- the length of the right part of the first pattern and the left part of the second pattern is the same.
- the power inputted through a method of overlapping firstly arranged inverted 'U' shaped second patterns and second 'U' shaped second patterns connecting the first patterns to a rear end is provided.
- a multi-port for example 15 ports.
- one feeding system may be used to supply the corresponding power to fifteen radiation elements.
- the size of the antenna using the feeding system can be reduced.
- the feeding system delays or distributes the input power
- the feeding system can be utilized in various ways such as a delay element as well as a phase shifter.
- 1 is a diagram illustrating a general antenna.
- FIG. 2 is a view showing a feeding system according to an embodiment of the present invention.
- FIG. 3 is a view illustrating an operation structure of the feeding system of FIG.
- FIG. 4 is a view showing an operation structure of a feeding system according to an embodiment of the present invention.
- FIG. 5 is an enlarged view of a portion “A” of FIG. 4 according to an embodiment of the present invention.
- FIG. 6 is a diagram illustrating a phase adjustment process of a phase shifter according to an embodiment of the present invention.
- FIG. 7 and 8 schematically illustrate a feeding system according to another embodiment of the present invention.
- FIG. 9 is an enlarged view of a portion B of FIG. 4 according to an embodiment of the present invention.
- FIG. 10 is a diagram illustrating a radiation pattern of an antenna using a conventional phase shifter and a radiation pattern of an antenna using a phase shifter of the present invention.
- FIG. 11 is a diagram illustrating reflection loss according to an inclination angle in an antenna using the phase shifter of the present invention.
- FIG. 2 is a view showing a feeding system according to an embodiment of the present invention
- Figure 3 is a view showing the operation structure of the feeding system of FIG.
- the feeding system of the present embodiment means all devices that supply power input from the outside to other devices through an output terminal, and include, for example, a phase shifter and a delay device.
- phase shifter as an example.
- the phase shifter includes a first sub phase shifter 200 and a second sub phase shifter 202.
- the first sub phase shifter 200 includes a first dielectric substrate 210, at least one first pattern 220, at least one third pattern 222, and at least one anti-coupling element 224.
- the second sub phase shifter 202 includes a second dielectric substrate 212 and at least one second pattern 226.
- the first dielectric substrate 210 is arranged on one side of a reflector (not shown) and is made of a dielectric material having a predetermined dielectric constant.
- a ground plate is formed on the rear surface of the first dielectric substrate 210 as described later.
- the first pattern 220 is a conductor and is formed on the first dielectric substrate 210.
- the first pattern 220 may have an inverted 'U' shape, ie an inverted 'U' shape, as shown in FIG. 2.
- the first pattern 220 may also be said to have a 'U' shape according to the viewing angle.
- the 'U' shape means all patterns consisting of a left pattern, a center pattern, and a right pattern, as will be described later.
- One pattern 220A of the first patterns 220 serves as an input terminal, that is, specific power is input from the outside through the pattern 220A. Then, the input power is finally output to the corresponding radiation element 228 through the output end side pattern 220B.
- the feeding system is not a phase shifter, the input power may not be output to the radiation element 228 but to another element.
- the third pattern 222 is formed on the first dielectric substrate 210 as a conductor, and is electrically connected to the first pattern 220. In addition, the third pattern 222 is electrically connected to the corresponding radiation element 228. Accordingly, the powers input to the first patterns 220 are provided to the radiation elements 228 through the third patterns 222, respectively, so that the radiation elements 228 generate beams in a specific direction. Let's do it.
- the phases of the powers (RF signals) flowing in the third patterns 222 may be different, and preferably vary with a certain rule. Detailed description thereof will be described later.
- At least one of the third patterns 222 may have an impedance value different from other third patterns as shown in FIG. 2.
- at least one of the third patterns 222 may have a length or width different from that of the other third patterns.
- the magnitudes of the powers supplied to the respective radiation elements 228 may be different.
- This impedance value will be determined according to the characteristics of the beam to be implemented.
- the length of the third pattern 222 may vary according to frequency.
- the anti-coupling elements 224 are conductors and are arranged between the third patterns 222 on the first dielectric substrate 210 to prevent coupling between the third patterns 222.
- the second dielectric substrate 212 is made of a dielectric material having a predetermined dielectric constant, and may have the same dielectric constant as the first dielectric substrate 210 or may have a different dielectric constant.
- the second patterns 226 are conductors and are formed, for example, regularly on the second dielectric substrate 212. According to an embodiment of the present invention, the second pattern 226 may have a 'U' shape as shown in FIG. 2.
- the second sub phase shifter 202 having the structure as described above is placed on the first sub phase shifter 200 as shown in FIG. 3, and moves as shown in FIG. 3 when the phase is changed.
- the second patterns 226 are arranged in a structure for electrically connecting the first patterns 220 as described below.
- FIG. 4 is a view illustrating an operation structure of a feeding system according to an embodiment of the present invention
- FIG. 5 is an enlarged view of a portion “A” of FIG. 4 according to an embodiment of the present invention.
- the patterns 226 overlap.
- the left pattern 226A of the specific second pattern 226 overlaps the right pattern of the first pattern 220C
- the right pattern 226C of the second pattern 226 is the first pattern. It overlaps with the left pattern of 220D.
- the first pattern 220C is electrically connected to the first pattern 220D through the second pattern 226. That is, the first patterns 220 are electrically connected to each other through the corresponding second patterns 226.
- the power input to the first pattern 220C is output to the first pattern 220D through the second pattern 226.
- the length of the side pattern (right pattern or left pattern) of the first patterns 220C and 220D is measured.
- the first pattern 220C or 220D and the second pattern 226 may be at most l. m1 Or l m2 as much as ( l m1 And l m2 Can be overlapped).
- l m1 And l m2 Can be overlapped.
- only a part of the first pattern 220C or 220D and the second pattern 226 overlap as shown in FIG. 5 (A).
- the length of the non-overlapping pattern of the first patterns 220C or 220D is l s and l m1 and l m2 have the same length, 0 ⁇ l s ⁇ l m1 .
- the phase of the power (RF signal) output in the first pattern 220D ( ) Is varied according to the change of l s , that is, the change in the electrical length L, as shown in Equation 1 below.
- ⁇ g is the wavelength of the RF signal.
- phase ( ) Is changed in proportion to the change in length of l s .
- electrical length L is changed in proportion to l s .
- FIG. 5 (A) considers only one overlapped pattern of the patterns of FIG. 4, in the case of the n-port phase shifter, there are (n-1) overlapped patterns.
- the electrical length l T of all the overlapped patterns is expressed by Equation 2 below.
- ⁇ g, max means the largest wavelength in the bandwidth of the phase shifter
- ⁇ g, min means the smallest wavelength in the bandwidth
- ⁇ r is the dielectric constant of the first substrate 210.
- the first pattern 220D The output power (RF signal) is delayed. That is, although the structure shown in Fig. 5A corresponds to a part of the phase shifter, it can itself function as a delay element. That is, the feeding system of the present exemplary embodiment may function as a delay element through a method of overlapping the first patterns 220 and the second patterns 226.
- the degree of delay will depend on the number of patterns 220 and 226 and the length of the overlapping portion.
- a first pattern 220 is formed on the first dielectric substrate 210, and a second pattern 226 is formed on the second dielectric substrate 212.
- a ground plate 404 is formed on the rear surface of the first dielectric substrate 210.
- a dielectric layer 402 having a predetermined dielectric constant is further disposed between the first pattern 220 and the second pattern 226.
- dielectric layer 402 is formed over first patterns 220 and is used to reduce intermodulation distortion (PIMD) or to prevent corrosion.
- PIMD intermodulation distortion
- FIG. 6 is a diagram illustrating a phase adjustment process of a phase shifter according to an embodiment of the present invention.
- n (an integer of 2 or more) third patterns 222 are formed on the first dielectric substrate 210, and the third patterns 222 are n radiation elements 228. ) Can be connected.
- the input terminal (the front end of the first patterns, 220- Some of the power input to 1) is transmitted to the first radiation element 228-1 through the third pattern 222-1 without changing the phase, and the remaining power is provided to the next first pattern 220-2. do.
- some of the power provided to the first pattern 220-2 is changed due to the change 2 ⁇ l of the overlapping area of the patterns 220 and 226. It is transmitted to the second radiation element 228-2 through the corresponding third pattern 222-2 with the phase changed by. The remaining power is provided to the next first pattern 220-3.
- the power provided to the first pattern 220-3 is due to the change in the overlapping area of the patterns 220 and 226 (4 ⁇ l since it is the change in the accumulated area). It is transmitted to the second radiation element 228-3 through the corresponding third pattern 222-3 with the phase changed by. The remaining power is provided to the next first pattern 220-4.
- the inclination angle of the beam may be adjusted by ⁇ as shown in FIG. 6 (B).
- the phase shifter of the present embodiment controls the length of overlapping portions between the first patterns 220 and the second patterns 226 to achieve a desired tilt angle.
- phase shifters were needed to implement multi-ports, that is, to power a plurality of radiation elements.
- the multi-ports can be implemented by using a single phase shifter to increase the number of patterns 220 and 226, the size of the antenna can be reduced.
- phase shifter of the present invention can adjust the inclination angle by only a simple operation of moving the second sub phase shifter 202, thereby making it much more convenient. .
- the feeding system of the present invention can be used as a phase shifter, but can also be used as a delay element or the like, that is, various applications are possible.
- FIG. 7 and 8 schematically illustrate a feeding system according to another embodiment of the present invention.
- first patterns 710 are formed on the first dielectric substrate 700, and second patterns 712 are formed on the second dielectric substrate 702.
- the second patterns 712 may have a different structure from other patterns, for example, have a different size. That is, the second patterns 712 of the feeding system of the present embodiment may have a different structure from the second patterns 226 shown in FIG. 2.
- the first patterns 710 also do not all have the same structure as in the first patterns 200 shown in FIG. 2 and some may have different structures, for example, different sizes.
- the second dielectric substrate 702 may be implemented to move over the first dielectric substrate 700.
- first patterns 810 may be formed on a first dielectric substrate 800
- second patterns 812 may be formed on a second dielectric substrate 802.
- the second dielectric substrate 802 may be implemented to move on the first dielectric substrate 800.
- the second dielectric substrate 802 of the present embodiment may move along a curved path as shown in FIG. 8.
- the structure of the first patterns, the structure of the second patterns, and the method for overlapping the first patterns with the second patterns may overlap the first patterns with the second patterns.
- Various modifications may be made so long as the patterns are electrically connected to each other.
- 9 is an enlarged view of a portion B of FIG. 4 according to an embodiment of the present invention. 9 illustrates only the structure of the first sub phase shifter 200 except for the structure of the second sub phase shifter 202.
- the first pattern 220 is electrically connected to the third pattern 222.
- the third pattern 222 may be connected to or directly connected to the center pattern 902 of the first pattern 220 through a coupling method.
- the input end side (shear) to which power is input uses a coupling method to prevent breakage of the patterns 220 and 222 because the magnitude of the input power is large. Since the size of the rear end is small, there is little fear of destruction, so the first patterns 220 and the third patterns 222 are directly connected in consideration of loss and return loss.
- the dielectric layer 400 is formed between the first pattern 220 and the third pattern 222 as shown in FIG.
- the first pattern 220 includes a left pattern 900, a center pattern 902, and a right pattern 904, and specific power is input to the input terminal pattern 910 of the left pattern 900.
- the power input through the input terminal pattern 910 passes through the matching terminal pattern 912 of the left pattern 900 and then branches from the center pattern 902 to the right pattern 904 and the third pattern 222.
- the power distribution may include the thickness h c of the dielectric layer 400, the width d p of the third pattern 222, the length l c of the third pattern 222, and the center pattern 902. It is affected by the width d c .
- the matching end pattern 912 and the center pattern of the left pattern 900 are transferred.
- 902 performs an impedance matching role.
- the impedance matching may be performed by controlling the width d m of the matching end pattern 912 and the width d c of the center pattern 902.
- the width d c of the central pattern 902 corresponds to an inductive component for adjusting the capacitance component according to the thickness h c of the dielectric layer 400.
- the width d m of the matching end pattern 912 is wider than the width of the input end pattern 910.
- the matching end pattern 912 and the center pattern 902 of the left pattern 900 are impedance It plays a matching role.
- the width d m of the matching end pattern 912 is wider than the width of the input end pattern 910, and the width of the input end pattern 910 may be the same as the width of the right pattern 904. Can be.
- the impedance matching is mainly affected by the width d m of the matching end pattern 912 and the width d c of the center pattern 902.
- the widths d m of the matching end patterns 912 of the first patterns 220 may also be different.
- some of the first patterns 220 may have a shape different from other first patterns, for example, a different width d m .
- FIG. 10 is a diagram illustrating a radiation pattern of an antenna using a phase shifter of the present invention
- FIG. 11 is a diagram illustrating reflection loss according to an inclination angle in an antenna using the phase shifter of the present invention.
- the radiation pattern of FIG. 10 is a result measured between 1.71 ms and 2.17 ms.
- the size of the minor lobe other than the main beam has a value of ⁇ 20 ⁇ s or less.
- the minor lobe is significantly larger than -20 dB, although not shown. That is, it is confirmed from FIG. 10 that the antenna of the present invention is improved in performance compared to the conventional antenna.
- the return loss of the antenna using the phase shifter of the present invention is maintained at ⁇ 20 dB or less despite the variable inclination angle (five inclination angles). That is, it is confirmed that the antenna has excellent return loss characteristics.
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Abstract
Description
Claims (27)
- 제 1 기판;상기 제 1 기판 위에 배열된 도체인 제 1 패턴;상기 제 1 기판으로부터 이격되어 위치하는 제 2 기판; 및상기 제 2 기판 위에 배열된 도체인 제 2 패턴을 포함하되,상기 제 1 패턴과 상기 제 2 패턴은 겹쳐지며, 상기 패턴들 중 겹쳐지는 부분의 전기적 길이는 위상 가변시 변화되는 것을 특징으로 하는 페이즈 쉬프터.
- 제 1 항에 있어서, 상기 제 1 패턴은 역'U'자 형상을 가지고, 상기 제 2 패턴은 'U'자형 형상을 가지되, 상기 제 1 패턴의 우측 부분과 상기 제 2 패턴의 좌측 부분이 겹쳐지는 것을 특징으로 하는 페이즈 쉬프터.
- 제 2 항에 있어서, 상기 제 1 패턴과 상기 제 2 패턴 사이에는 소정 유전율을 가지는 제 1 유전체층이 존재하는 것을 특징으로 하는 페이즈 쉬프터.
- 제 2 항에 있어서, 상기 제 1 기판 위에는 복수의 제 1 패턴들이 배열되고, 상기 제 2 기판 위에도 복수의 제 2 패턴들이 배열되되,상기 제 1 기판 위에는 상기 제 1 패턴들의 중앙 부분에 전기적으로 연결된 제 3 패턴들이 더 배열되고, 상기 제 3 패턴들은 해당 복사 소자들에 전기적으로 연결되며, 상기 제 1 패턴들은 해당 제 2 패턴들을 통하여 상호 전기적으로 연결되는 것을 특징으로 하는 페이즈 쉬프터.
- 제 4 항에 있어서, 상기 제 1 패턴들 중 일부와 해당 제 3 패턴은 커플링(Coupling) 방식을 통하여 전기적으로 연결되며, 다른 제 1 패턴과 해당 제 3 패턴은 직접적으로 연결되는 것을 특징으로 하는 페이즈 쉬프터.
- 제 5 항에 있어서, 상기 커플링 방식을 통하여 연결되는 제 1 패턴과 해당 제 3 패턴 사이에는 제 2 유전체층이 존재하는 것을 특징으로 하는 페이즈 쉬프터.
- 제 4 항에 있어서, 상기 제 3 패턴들 중 적어도 하나는 다른 제 3 패턴들과 다른 길이 또는 다른 폭을 가지는 것을 특징으로 하는 페이즈 쉬프터.
- 제 4 항에 있어서, 상기 제 1 기판 위에는 상기 제 3 패턴들 사이에 존재하여 상기 제 3 패턴들 사이의 커플링을 방지하는 커플링 방지 소자가 더 형성되는 것을 특징으로 하는 페이즈 쉬프터.
- 제 4 항에 있어서, 특정 제 1 패턴의 좌측 부분(역 'U'자 형상 중 좌측 부분)으로 급전된 전력 중 일부는 중앙 부분(역 'U'자 형상 중 중앙 부분)에서 해당 제 3 패턴으로 커플링 방식을 통하여 제공되고, 나머지 전력은 상기 중앙 부분에서 우측 부분(역 'U'자 형상 중 우측 부분)으로 제공되되,상기 제 1 패턴의 좌측 부분 중 일부분의 폭은 다른 부분의 폭과 다른 것을 특징으로 하는 페이즈 쉬프터.
- 제 4 항에 있어서, 상기 제 3 패턴의 길이는 상기 페이즈 쉬프터의 주파수에 비례하여 변화되는 것을 특징으로 하는 페이즈 쉬프터.
- 제 2 항에 있어서, 위상 가변시 상기 제 1 기판은 고정되고 상기 제 2 기판은 가변되고, 상기 제 2 패턴들 중 일부는 다른 제 2 패턴들과 다른 모양을 가지며, 상기 제 1 기판의 배면에는 접지판이 형성되는 것을 특징으로 하는 페이즈 쉬프터.
- 제 1 기판; 및상기 제 1 기판 위에 배열된 도체인 제 1 패턴을 포함하되,상기 제 1 패턴은 상기 제 1 기판과 소정 거리 이격되어 위치하는 제 2 기판 위에 배열된 도체인 제 2 패턴과 겹쳐지며, 상기 패턴들이 겹쳐지는 부분의 전기적 길이는 위상 가변시 변화되는 것을 특징으로 하는 서브 페이즈 쉬프터.
- 제 12 항에 있어서, 상기 제 1 패턴은 역'U'자 형상을 가지고, 상기 제 2 패턴은 'U'자 형상을 가지되, 상기 제 1 패턴의 우측 부분과 상기 제 2 패턴의 좌측 부분이 겹쳐지는 것을 특징으로 하는 서브 페이즈 쉬프터.
- 제 13 항에 있어서, 상기 제 1 패턴 위에는 제 1 유전체층이 배열되며, 상기 제 1 유전체층은 상기 제 1 패턴과 상기 제 2 패턴 사이에 위치하는 것을 특징으로 하는 서브 페이즈 쉬프터.
- 제 13 항에 있어서, 상기 제 1 기판 위에는 복수의 제 1 패턴들이 배열되고, 상기 제 2 기판 위에도 복수의 제 2 패턴들이 배열되되,상기 제 1 패턴들은 해당 제 2 패턴들을 통하여 상호 전기적으로 연결되고, 상기 서브 페이즈 쉬프터는 상기 제 1 기판 위에서 상기 제 1 패턴들의 중앙 부분에 전기적으로 연결된 제 3 패턴들(해당 복사 소자와 전기적으로 연결됨)을 더 포함하는 것을 특징으로 하는 서브 페이즈 쉬프터.
- 제 15 항에 있어서, 상기 제 1 패턴들 중 일부와 해당 제 3 패턴은 커플링 방식을 통하여 전기적으로 연결되며, 다른 제 1 패턴과 해당 제 3 패턴은 직접적으로 연결되는 것을 특징으로 하는 서브 페이즈 쉬프터.
- 제 16 항에 있어서, 상기 서브 페이즈 쉬프터는 상기 커플링 방식을 통하여 연결되는 제 1 패턴과 해당 제 3 패턴 사이에 위치하는 제 2 유전체층을 더 포함하는 것을 특징으로 하는 서브 페이즈 쉬프터.
- 제 15 항에 있어서, 상기 제 3 패턴들 중 적어도 하나는 다른 제 3 패턴들과 다른 길이 또는 다른 폭을 가지는 것을 특징으로 하는 서브 페이즈 쉬프터.
- 제 15 항에 있어서, 상기 서브 페이즈 쉬프터는 상기 제 3 패턴들 사이에 위치하여 상기 제 3 패턴들 사이의 커플링을 방지하는 커플링 방지 소자를 더 포함하는 것을 특징으로 하는 서브 페이즈 쉬프터.
- 제 15 항에 있어서, 특정 제 1 패턴의 좌측 부분(역 'U'자 형상 중 좌측 부분)으로 급전된 전력 중 일부는 중앙 부분(역 'U'자 형상 중 중앙 부분)에서 해당 제 3 패턴으로 커플링 방식을 통하여 제공되고, 나머지 전력은 상기 중앙 부분에서 우측 부분(역 'U'자 형상 중 우측 부분)으로 제공되되,상기 제 1 패턴의 좌측 부분 중 일부분의 폭은 다른 부분의 폭과 다른 것을 특징으로 하는 서브 페이즈 쉬프터.
- 제 15 항에 있어서, 상기 제 3 패턴의 길이는 상기 페이즈 쉬프터의 주파수에 비례하여 변화되는 것을 특징으로 하는 페이즈 쉬프터.
- 그 위에 도체인 제 1 패턴이 배열된 제 1 기판과 소정 이격되어 위치하는 제 2 기판; 및상기 제 2 기판 위에 배열된 도체인 제 2 패턴을 포함하되,상기 제 2 패턴은 상기 제 1 패턴과 겹쳐지며, 상기 패턴들 중 겹쳐지는 부분의 전기적 길이는 위상 가변시 변화되는 것을 특징으로 하는 서브 페이즈 쉬프터.
- 제 22 항에 있어서, 상기 제 1 패턴은 역'U'자 형상을 가지고, 상기 제 2 패턴은 'U'자 형 형상을 가지되, 상기 제 1 패턴의 우측 부분과 상기 제 2 패턴의 좌측 부분이 겹쳐지는 것을 특징으로 하는 서브 페이즈 쉬프터.
- 제 1 기판;상기 제 1 기판 위에 배열되며, 역 'U'자 형상을 가지는 도체인 제 1 패턴;상기 제 1 기판으로부터 이격되어 위치하는 제 2 기판; 및상기 제 2 기판 위에 배열되며, 'U'자 형상을 가지는 도체인 제 2 패턴을 포함하되,상기 제 1 패턴의 우측 부분과 상기 제 2 패턴의 좌측 부분이 겹쳐지며, 상기 패턴들 중 겹쳐지는 부분의 전기적 길이는 위상 지연에 비례하여 변화되는 것을 특징으로 하는 지연 소자.
- 제 24 항에 있어서, 상기 제 1 패턴과 상기 제 2 패턴 사이에는 유전체층이 존재하는 것을 특징으로 하는 지연 소자.
- 제 24 항에 있어서, 위상 지연시 상기 제 1 기판은 고정된 상태에서 상기 제 2 기판이 움직이며, 상기 제 1 기판의 배면에는 접지판이 형성되는 것을 특징으로 하는 지연 소자.
- 제 24 항에 있어서, 상기 제 1 패턴의 우측 부분과 상기 제 2 패턴의 좌측 부분의 길이가 동일한 것을 특징으로 하는 지연 소자.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US13/380,335 US8933766B2 (en) | 2009-06-25 | 2009-07-02 | Phase shifter with overlapping first and second U-shaped patterns |
CN200980160099.9A CN102460823B (zh) | 2009-06-25 | 2009-07-02 | N端口馈电系统及其包含的移相器、延迟元件 |
DE112009005005.0T DE112009005005B4 (de) | 2009-06-25 | 2009-07-02 | Phasenschieber für ein N-port-Speisesystem und eine Verzögerungsvorrichtung |
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KR1020090057291A KR101080893B1 (ko) | 2009-06-25 | 2009-06-25 | 엔포트 피딩 시스템 및 이에 포함된 페이즈 쉬프터, 지연 소자 |
KR10-2009-0057291 | 2009-06-25 |
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WO2010150934A1 true WO2010150934A1 (ko) | 2010-12-29 |
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US (1) | US8933766B2 (ko) |
KR (1) | KR101080893B1 (ko) |
CN (1) | CN102460823B (ko) |
DE (1) | DE112009005005B4 (ko) |
WO (1) | WO2010150934A1 (ko) |
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US9325043B2 (en) * | 2013-07-26 | 2016-04-26 | Alcatel-Lucent Shanghai Bell Co., Ltd. | Phase shifting circuit including an elongated conductive path covered by a metal sheet having stand-off feet and also including a slidable tuning member |
CN106486721B (zh) * | 2015-08-28 | 2021-04-16 | 康普技术有限责任公司 | 移相器组件 |
KR101771240B1 (ko) * | 2016-02-03 | 2017-09-05 | 주식회사 케이엠더블유 | 위상 변환 장치 |
GB2572763B (en) * | 2018-04-09 | 2022-03-16 | Univ Heriot Watt | Waveguide and antenna |
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JPH0514004A (ja) * | 1991-07-03 | 1993-01-22 | Fujitsu Ltd | 位相調整回路 |
JP2000261203A (ja) * | 1999-03-02 | 2000-09-22 | Lucent Technol Inc | 位相シフター |
JP2002158502A (ja) * | 2000-11-20 | 2002-05-31 | Tamagawa Electronics Co Ltd | 可変移相器 |
KR100582548B1 (ko) * | 2004-12-20 | 2006-05-22 | 한국전자통신연구원 | 강유전체 박막을 이용한 pbg 구조의 위상 변위기 |
US7224246B2 (en) * | 2001-10-22 | 2007-05-29 | Quintel Technology Limited | Apparatus for steering an antenna system |
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US3849745A (en) * | 1973-01-26 | 1974-11-19 | Westinghouse Electric Corp | Method and system for varying the characteristics of a dispersive delay line |
US4276551A (en) * | 1979-06-01 | 1981-06-30 | Hughes Aircraft Company | Electronically scanned antenna |
US6831602B2 (en) * | 2001-05-23 | 2004-12-14 | Etenna Corporation | Low cost trombone line beamformer |
-
2009
- 2009-06-25 KR KR1020090057291A patent/KR101080893B1/ko active IP Right Grant
- 2009-07-02 US US13/380,335 patent/US8933766B2/en active Active
- 2009-07-02 WO PCT/KR2009/003615 patent/WO2010150934A1/ko active Application Filing
- 2009-07-02 CN CN200980160099.9A patent/CN102460823B/zh not_active Expired - Fee Related
- 2009-07-02 DE DE112009005005.0T patent/DE112009005005B4/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0514004A (ja) * | 1991-07-03 | 1993-01-22 | Fujitsu Ltd | 位相調整回路 |
JP2000261203A (ja) * | 1999-03-02 | 2000-09-22 | Lucent Technol Inc | 位相シフター |
JP2002158502A (ja) * | 2000-11-20 | 2002-05-31 | Tamagawa Electronics Co Ltd | 可変移相器 |
US7224246B2 (en) * | 2001-10-22 | 2007-05-29 | Quintel Technology Limited | Apparatus for steering an antenna system |
KR100582548B1 (ko) * | 2004-12-20 | 2006-05-22 | 한국전자통신연구원 | 강유전체 박막을 이용한 pbg 구조의 위상 변위기 |
Also Published As
Publication number | Publication date |
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CN102460823A (zh) | 2012-05-16 |
US20120098619A1 (en) | 2012-04-26 |
CN102460823B (zh) | 2014-07-16 |
US8933766B2 (en) | 2015-01-13 |
KR20100138660A (ko) | 2010-12-31 |
DE112009005005B4 (de) | 2017-06-01 |
DE112009005005T5 (de) | 2012-11-15 |
KR101080893B1 (ko) | 2011-11-09 |
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