WO2017134810A1 - Déphaseur et dispositif d'antenne le comprenant - Google Patents

Déphaseur et dispositif d'antenne le comprenant Download PDF

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Publication number
WO2017134810A1
WO2017134810A1 PCT/JP2016/053471 JP2016053471W WO2017134810A1 WO 2017134810 A1 WO2017134810 A1 WO 2017134810A1 JP 2016053471 W JP2016053471 W JP 2016053471W WO 2017134810 A1 WO2017134810 A1 WO 2017134810A1
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WO
WIPO (PCT)
Prior art keywords
dielectric plate
dielectric
signal conductor
phase shifter
plate
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Application number
PCT/JP2016/053471
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English (en)
Japanese (ja)
Inventor
直樹 磯
延明 北野
Original Assignee
日立金属株式会社
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Application filed by 日立金属株式会社 filed Critical 日立金属株式会社
Priority to PCT/JP2016/053471 priority Critical patent/WO2017134810A1/fr
Publication of WO2017134810A1 publication Critical patent/WO2017134810A1/fr

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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 phase shifter capable of changing the phase of a signal, and an antenna device including the phase shifter.
  • a phase shifter capable of adjusting the phase of a signal transmitted or received via an antenna element has been used for, for example, a base station antenna for a mobile phone (see, for example, Patent Document 1).
  • the phase shifter described in Patent Document 1 is provided on a triplate line formed by sandwiching a signal conductor constituting a transmission line of a signal transmitted via an antenna element between a first ground plate and a second ground plate.
  • a first dielectric plate disposed between the conductor and the first ground plate; and a second dielectric plate disposed between the signal conductor and the second ground plate.
  • Both the first dielectric plate and the second dielectric plate can move forward and backward in the longitudinal direction, and the overlapping area with the signal conductor changes with the movement in the longitudinal direction.
  • the effective dielectric constant in the triplate line changes due to the change in the overlapping area, and the electric line length changes accordingly, so that the phase of the signal propagating through the signal conductor changes.
  • the first dielectric plate or the second dielectric plate may contact the signal conductor.
  • an Inter Modulation (intermodulation) failure hereinafter referred to as IM failure
  • IM failure Inter Modulation failure
  • the amount of phase shift may shift.
  • VSWR may be deteriorated.
  • the present invention provides a phase shifter capable of suppressing an IM failure and a shift in the amount of phase shift by preventing a dielectric plate from directly contacting a signal conductor, and an antenna device including the phase shifter.
  • a phase shifter capable of suppressing an IM failure and a shift in the amount of phase shift by preventing a dielectric plate from directly contacting a signal conductor, and an antenna device including the phase shifter.
  • the present invention provides a signal conductor constituting a transmission line of a signal transmitted through an antenna element, and a first dielectric plate and a second dielectric plate arranged at positions sandwiching the signal conductor.
  • a body plate, a moving mechanism for moving the first dielectric plate and the second dielectric plate in a direction perpendicular to the thickness direction of the first dielectric plate and the second dielectric plate, and the first Provided are a phase shifter including a dielectric plate and a covering layer made of an insulator covering the signal conductor at a position sandwiched between the second dielectric plates, and an antenna device including the phase shifter.
  • phase shifter According to the phase shifter according to the present invention and the antenna device equipped with the phase shifter, it is possible to suppress the IM failure and the phase shift amount.
  • FIG. 5B is a sectional view taken along line AA in FIG. 5A. It is a disassembled perspective view which shows a pair of dielectric material and connection member which are shown to FIG. 6A.
  • FIG. 5B is a cross-sectional view taken along line BB in FIG. 5A, showing a phase shifter according to an embodiment of the present invention, and is a partially enlarged view.
  • the antenna device 11 is installed at a high place in a building such as an antenna tower or a building, and is used as a base station antenna for a mobile phone.
  • a high-frequency signal is transmitted by the antenna device 11 according to the present embodiment.
  • the antenna device 11 can also receive a high-frequency signal.
  • FIG. 1 shows an antenna device 11.
  • the antenna device 11 includes an input terminal 12 to which a high-frequency signal is input, a first distribution line 14a that distributes the signal input to the input terminal 12, and a second that further distributes the signal distributed by the first distribution line 14a.
  • the distribution line 14b, the 3rd distribution line 14c which further distributes the signal distributed by the 2nd distribution line 14b, and the antenna element 13 connected to the terminal part of the 3rd distribution line 14c are provided.
  • Each distribution line 14a-14c has a 1-input / 2-output line configuration, and a total of eight antenna elements 13a-13h are connected to the terminal portion of the third distribution line 14c, respectively.
  • the eight antenna elements 13 are arranged in the vertical direction, and the antenna element 13a is disposed at the top and the antenna element 13h is disposed at the bottom.
  • the other antenna elements 13 are arranged on the upper side in the vertical direction as the antenna element 13 shown on the upper side (antenna element 13a side) in FIG.
  • the signal phase of each antenna element 13 is adjusted so that the signal phase of the lower antenna element 13 is delayed due to the difference in the line length of the first to third distribution lines 14a to 14c.
  • phase shifters 10 are provided between the first distribution line 14a and the second distribution line 14b and between the second distribution line 14b and the third distribution line 14c, respectively.
  • a total of six phase shifters 10 in two places between the first distribution line 14a and the second distribution line 14b and four places between the second distribution line 14b and the third distribution line 14c) ( 10a to 10f).
  • These phase shifters 10 are dielectric insertion type phase shifters in which a dielectric is inserted between a signal conductor constituting the transmission line 1 and a ground plate described later, and an area where the signal conductor and the dielectric overlap. The larger the value is, the more the signal phase is delayed.
  • the directivity (beam tilt angle) of radio waves radiated from the antenna elements 13a to 13h can be adjusted in the vertical direction by changing the phase of the signal by the phase shifters 10a to 10f. . Specifically, the phase lag amounts of the antenna elements 13a to 13d are reduced by the phase shifters 10a, 10c, and 10d, and the phase lag amounts of the antenna elements 13e to 13h are increased by the phase shifters 10b, 10e, and 10f.
  • the directivity of radio waves can be directed downward (ground side).
  • phase shifters 10a, 10c, and 10d increase the phase delay amount of the antenna elements 13a to 13d
  • the phase shifters 10b, 10e, and 10f decrease the phase delay amount of the antenna elements 13e to 13h, thereby Directivity can be directed upwards (sky side).
  • the number of antenna elements 13 and phase shifters 10 is an example. It is not limited to the illustrated one.
  • FIG. 2A and 2B are perspective views showing a specific configuration example of the antenna device 11, FIG. 2A shows an appearance, and FIG. 2B shows an arrangement state of a plurality of antenna elements 13.
  • the antenna device 11 accommodates the transmission line 1 including the first to third distribution lines 14a, 14b, and 14c, eight antenna elements 13 and the like in a cylindrical radome 30. Configured.
  • the transmission line 1 is constituted by a wiring pattern made of a highly conductive metal such as copper formed in a predetermined pattern on a substrate, and serves as an inner conductor of the triplate line.
  • the radome 30 is closed at both ends by antenna caps 301 and 302, and is attached to a high place such as an antenna tower by mounting brackets 303 and 304 so that the central axis direction is a vertical direction.
  • Coaxial cable adapters 305 and 306 functioning as the input terminal 12 (see FIG. 1) are attached to the antenna cap 302 disposed below the vertical direction.
  • FIG. 2B shows eight antenna elements 13 and the like.
  • the antenna element 13 is arranged along the longitudinal direction of the radome 30 and is fixed to a first ground plate 31 that is electrically grounded.
  • Each antenna element 13 has a horizontally polarized antenna element 131 and a vertically polarized antenna element 132 arranged so as to cross each other in a cross shape.
  • the first ground plate 31 has a function as a reflecting plate that reflects electromagnetic waves radiated from the horizontally polarized antenna element 131 and the vertically polarized antenna element 132.
  • the horizontal polarization antenna element 131 and the vertical polarization antenna element 132 are printed dipole antennas composed of a printed circuit board in which a not-illustrated wiring pattern that functions as a radiation element is formed on a plate-like dielectric.
  • the horizontal polarization antenna element 131 and the vertical polarization antenna element 132 are provided with a convex portion (not shown) that passes through the opening formed in the first ground plate 31, and the wiring that functions as a radiation element through the convex portion.
  • the pattern is electrically connected to the terminal portion of the third distribution line 14c (see FIG. 1) in the transmission line 1.
  • FIG. 3 is a perspective view showing a configuration example of the moving mechanism 4 of the phase shifter 10 disposed on the side opposite to the eight antenna element 13 sides inside the radome 30.
  • the moving mechanism 4 is provided on a second ground plate 32 disposed in parallel with the first ground plate 31 to which the eight antenna elements 13 are fixed.
  • the first ground plate 31 and the second ground plate 32 are made of a conductive metal such as stainless steel and are electrically grounded. Further, the first ground plate 31 and the second ground plate 32 have a long plate shape whose longitudinal direction is along the central axis direction of the radome 30 and constitute an outer conductor of the triplate line.
  • the moving mechanism 4 is for moving a dielectric 3 (see FIGS. 5A to 7) of the phase shifter 10 to be described later along the longitudinal direction of the first ground plate 31 and the second ground plate 32.
  • the motor 41 a pair of drive rods 42 that move in the longitudinal direction of the first ground plate 31 and the second ground plate 32 by the driving force of the electric motor 41, and a pair of guide members 43 that guide the movement of the pair of drive rods 42.
  • a worm gear mechanism 44 that changes the rotational force of the electric motor 41 into a linear motion of the drive rod 42.
  • a control unit 40 that controls the electric motor 41 in response to an external instruction signal is disposed on the second ground plate 32.
  • a notch 32a is formed at both ends of the second ground plate 32 in the short direction, and a horizontally polarized coaxial cable 33 and a vertically polarized coaxial cable 34 having one end inserted through the notch 32a. Then, the transmission signal is supplied to the first distribution line 14a (see FIG. 1) in the transmission line 1. The other ends of the horizontally polarized coaxial cable 33 and the vertically polarized coaxial cable 34 are connected to coaxial cable adapters 305 and 306.
  • FIG. 4 is a perspective view showing the substrate 20 sandwiched between the first ground plate 31 and the second ground plate 32 and having a wiring pattern as the signal conductor 2 described later.
  • substrate 20 is comprised from the epoxy resin reinforced with the glass fiber, for example, and the wiring pattern used as the signal conductor 2 is formed in the both surfaces.
  • Phase shifter 10 shown in FIG. 1 is formed in the region P 1 and P 2.
  • FIG. 5A and 5B are diagrams showing the phase shifter 10 according to the present embodiment shown in FIG. 1, FIG. 5A is a plan view in which one ground plate is omitted, and FIG. 5B is a signal conductor 2 in FIG. 5A. It is a top view which shows the arrangement
  • FIG. 6A is a cross-sectional view along the line AA in FIG. 5A.
  • the phase shifter 10 is disposed in the triplate line so as to overlap the signal conductor 2 and the signal conductor 2 as inner conductors that are formed on both surfaces of the substrate 20 and transmit signals.
  • the first ground plate 31 and the second ground plate 32 as outer conductors disposed on the opposite side of the signal conductor 2 of the dielectric 3 and the drive rod 42 included in the moving mechanism 4 (FIG. 3).
  • a connecting member 35 to be described later.
  • the signal conductor 2 is composed of a wiring pattern formed on the substrate 20 and constitutes a transmission line 1 for signals transmitted via the antenna elements 13 (13a to 13h).
  • the signal conductor 2 of the overlapping portion 5 that overlaps the dielectric 3 includes two straight portions 2a arranged in parallel to each other, and the tip portions of the straight portions 2a (right ends in FIG. 5A). ), And is formed in a substantially U shape in plan view as a whole.
  • the connecting portion between the straight line portion 2a and the connecting portion 2b has a shape with chamfered corners.
  • the signal conductor 2 is composed of a wiring pattern formed on both surfaces of the substrate 20 made of glass epoxy or the like as described above.
  • the signal conductor 2 is not limited to this.
  • a configuration using a plate-like member made of a conductor such as copper may be used, and when a film-like member is used as the dielectric substrate, a wiring pattern formed on one surface of the film-like substrate is used. May be.
  • the first ground plate 31 and the second ground plate 32 are conductive plates made of a conductor such as aluminum.
  • the substrate 20 is disposed in parallel between the first ground plate 31 and the second ground plate 32 at equal intervals.
  • the material of the dielectric 3 is not particularly limited, but it is desirable to use a material having a dielectric constant as large as possible in order to increase the change width (adjustment width) of the phase shift amount. Further, the change width of the phase shift amount can be increased by increasing the size of the dielectric 3.
  • the material having a large dielectric constant that can be used for the dielectric 3 include LCP (liquid crystal polymer), PBT (polybutylene terephthalate), POM (polyacetal), PPS (polyphenylene sulfide), PC (polycarbonate), and PPE (polyphenylene ether).
  • the dielectric 3 when a material having a large dielectric constant is used as the dielectric 3, there is a possibility that the amount of phase shift greatly fluctuates due to a slight positional deviation.
  • the material of the dielectric 3 should be selected in consideration of the required change width of the phase shift amount, the size of the dielectric 3, and the like.
  • the dielectric 3 is composed of a first dielectric plate 3a and a second dielectric plate 3b that are disposed at a position sandwiching the signal conductor 2 with a gap between the dielectric 3 and the signal conductor 2.
  • the moving mechanism 4 moves the first dielectric plate 3a and the second dielectric plate 3b in a direction perpendicular to the thickness direction of the first dielectric plate 3a and the second dielectric plate 3b.
  • the moving direction of the first dielectric plate 3 a and the second dielectric plate 3 b by the moving mechanism 4 is parallel to the longitudinal direction of the first ground plate 31 and the second ground plate 32.
  • the first dielectric plate 3a and the second dielectric plate 3b have a rectangular shape in plan view, and are arranged so that the moving direction of the moving mechanism 4 is the longitudinal direction.
  • the first dielectric plate 3 a is disposed between the signal conductor 2 and the second ground plate 32
  • the second dielectric plate 3 b is disposed between the signal conductor 2 and the first ground plate 31.
  • the first dielectric plate 3 a and the second dielectric plate 3 b are not affected by the electric field formed in the immediate vicinity of the signal conductor 2, the first ground plate 31, and the second ground plate 32.
  • the second ground plate 32 is spaced apart from the second ground plate 32.
  • the first dielectric plate 3a and the second dielectric plate 3b are connected by a connecting member 35.
  • the movement of the first dielectric plate 3a and the second dielectric plate 3b is caused by the linear movement of the drive rod 42 (see FIG. 3) in the vicinity of the end of the first dielectric plate 3a opposite to the signal input / output end. This is performed by receiving the driven protrusion 36 provided in the.
  • the portion where the signal conductor 2 and the dielectric 3 overlap each other in the phase shifter 10 is defined as the overlapping portion 5.
  • the non-overlapping portion 6 is a portion where the signal conductor 2 and the first and second ground plates 31 and 32 face each other with an air layer interposed therebetween.
  • the phase of the signal transmitted through the signal conductor 2 is changed by moving the dielectric 3 with the drive rod 42 and changing the area of the overlapping portion 5 where the signal conductor 2 and the dielectric 3 overlap. It is configured to let you.
  • the phase of the signal is delayed as the area of the overlapping portion 5 increases, and the phase of the signal advances as the area of the overlapping portion 5 decreases. Therefore, in FIGS. 5A and 6A, by moving the dielectric 3 from the certain reference position to the left side (the base end side of the parallel portion 2a), the phase of the signal is delayed from the phase at the reference position and illustrated from the reference position.
  • the phase of the signal can be advanced from the phase at the reference position.
  • phase shifter 10 As shown in FIG. 5A, impedance is matched between the overlapping portion 5 and the non-overlapping portion 6 at the signal input side and output side ends of the dielectric 3.
  • Transformer sections 7A and 7B are provided.
  • a transformer portion 7A is formed at the end of the dielectric 3 on the extension side of the signal conductor 2, and the phase shift is performed so that the dielectric 3 is moved along the extension direction of the signal conductor 2. Since the transformer 10 is configured, the transformer section 7A is always located at the signal input side and output side ends of the dielectric 3 even when the dielectric 3 is moved in the horizontal direction in the figure. It will be.
  • the transformer parts 7A and 7B are provided on the high impedance part 7a provided on the overlapping part 5 side and on the non-overlapping part 6 side of the high impedance part 7a, and have a characteristic impedance higher than that of the high impedance part 7a. Is provided with a low impedance portion 7b.
  • the effective dielectric constant between the signal conductor 2 and the first ground plate 31 and the second ground plate 32 in the high impedance portion 7a is effective between the signal conductor 2 and the first and second ground plates 31 and 32 in the low impedance portion 7b. Lower than dielectric constant.
  • the lengths La 1 and La 2 along the signal conductor 2 of the high impedance portion 7a and the lengths Lb 1 and Lb 2 along the signal conductor 2 of the low impedance portion 7b are overlapped portions 5 respectively.
  • the length is adjusted so that the impedance can be matched between the non-overlapping portions 6.
  • the characteristic impedance of the overlapping portion 5 is 21 ⁇
  • the characteristic impedance of the non-overlapping portion 6 is 50 ⁇
  • the characteristic impedance of the high impedance portion 7a of the transformer portions 7A and 7B is 50 ⁇
  • the characteristic impedance of the impedance unit 7b is 21 ⁇ .
  • the first transformer section 7A adjusts the lengths La 1 and Lb 1 of the impedance sections 7a and 7b, thereby adjusting the characteristic impedance (intermediate between the non-overlapping section 6 and the overlapping section 5 and the non-overlapping section 6) (Referred to as characteristic impedance).
  • the second transformer section 7B is configured to impedance match the intermediate characteristic impedance and the overlapping section 5 by adjusting the lengths La 2 and Lb 2 of the impedance sections 7a and 7b. That is, in the phase shifter 10, the transformer units 7 ⁇ / b> A and 7 ⁇ / b> B are configured to perform impedance matching between the overlapping portion 5 and the non-overlapping portion 6 in two stages.
  • FIG. 5B shows a region 30a where a solder resist layer 30 described later is formed by a broken line. That is, the signal conductor 2 (parallel portion 2a, connection portion 2b) on the substrate 20 in the phase shifter 10 is covered with the solder resist layer 30 (not shown) in the region 30a so as not to be in direct contact with the dielectric plate 3. Yes.
  • the solder resist layer 30 may be formed by being applied in a liquid state and then solidified by ultraviolet irradiation or heating, or may be formed by attaching a film-like material (solder resist film).
  • the substrate 20 is coated with a solder resist layer 30 on a portion of the signal conductor 20 that can face the first dielectric plate 3a or the second dielectric plate 3b by the forward and backward movement of the dielectric plate 3 in the phase shifters 10a to 10f. Yes. That is, the region 30a where the solder resist layer 30 is formed is provided corresponding to each of the phase shifters 10a to 10f. And the solder resist layer 30 is not coat
  • a long hole 20 a that allows the movement of the connecting member 35 when the dielectric plate 3 moves forward and backward for phase adjustment is formed in the substrate 20 along the moving direction of the dielectric 3.
  • FIG. 6B shows the first and second dielectric plates 3 a and 3 b connected by a pair of connecting members 35.
  • the connecting members 35 are rectangular parallelepiped as shown in the figure, and a pair of connecting members 35 are provided at both ends of the first dielectric plate 3a and the second dielectric plate 3b in the short direction.
  • the connecting member 35 is fitted into fitting portions 35a that fit into fitting holes 3c and 3d formed in the first dielectric plate 3a, and fitting holes 3e and 3f formed in the second dielectric plate 3b. And a fitting portion 35b.
  • the fitting portions 35a and 35b may be fixed to the fitting holes 3c to 3e by fitting, or may be fixed by an adhesive.
  • the fitting portions 35a and 35b and the fitting holes 3c to 3e are rectangular, but the shape is not limited to this.
  • the shape may be a circle, an ellipse, a triangle, or the like.
  • FIG. 7 shows a configuration of the phase shifter 10 according to the embodiment of the present invention.
  • the substrate 20, the signal conductor 2, the first dielectric plate 3 a and the second dielectric plate 3 b, the first ground plate 31 and the second ground plate 32, and the solder resist layer 30 are sized such as the distance between the parts. Together with an example.
  • a portion of the signal conductor 2 formed on both surfaces of the substrate 20 that faces the first dielectric plate 3a or the second dielectric plate 3b is covered with a solder resist layer 30.
  • the distance between the first and second ground plates 31 and 32 and the first and second dielectric plates 3a and 3b having a thickness of 1.94 mm is 0.05 mm, and the substrate 20 and the first and second dielectric plates are separated from each other.
  • the distance between the body plates 3a and 3b is 0.12 mm.
  • the signal conductor 2 on the substrate 20 has a thickness t 1 of 35 ⁇ m (0.035 mm), and the solder resist layer 30 has a thickness t 2 of 25 ⁇ m (0.025 mm).
  • the solder resist layer 30 is the same material as that of a solder resist used for a normal printed circuit board, and is an insulator made of a photosensitive resin having a carboxyl group, for example. Further, the pattern is shaped to cover the signal conductor 2 corresponding to the overlapping portion 5 described above using a mask.
  • solder resist layer 30 covers only the portion of the signal conductor 2 that can face the first dielectric plate 3a or the second dielectric plate 3b, compared to the case where the entire signal conductor 2 on the substrate 20 is covered, An increase in signal transmission loss can be prevented.
  • the thickness t 2 of the solder resist layer 30 is preferably set to 20 ⁇ m (0.020 mm) or more and 50 ⁇ m (0.050 mm) or less in order to prevent an IM defect or the like.
  • the thickness of the solder resist layer 30 is less than 20 ⁇ m (0.020 mm), the effect of preventing IM failure is reduced, and when the thickness exceeds 50 ⁇ m (0.050 mm), due to the influence of the dielectric constant of the solder resist layer 30
  • the characteristic impedance of the signal conductor 2 may vary.
  • the control unit 40 drives the electric motor 41 according to a required beam tilt angle.
  • the driving force advances or retracts the driving rod 42 via the worm gear mechanism 44.
  • the phase shifters 10a to 10f adjust the area of the overlapping portion 5 of the dielectric 3 according to the beam tilt angle.
  • the phase shifters 10a, 10c, and 10d and the phase shifters 10b, 10e, and 10f are opposite in the longitudinal direction of the first dielectric plate 3a and the second dielectric plate 3b.
  • a dielectric 3 is disposed on the substrate.
  • the antenna device 11 can radiate a signal wave from the antenna element 13 at a desired beam tilt angle by moving the dielectric 3 of the phase shifter 10 by the moving mechanism 4. At this time, even if the first dielectric plate 3a and the second dielectric plate 3b are displaced in the thickness direction by the forward or backward movement, the first dielectric plate 3a and the second dielectric plate 3b are There is no direct contact with the signal conductor 2 on the substrate 20. That is, since the signal conductor 2 on the substrate 20 is covered with the solder resist layer 30 in the overlapping portion 5, the dielectric plate 3 does not come into contact with the signal conductor 2, and as a result, the occurrence of IM failure or A shift in the amount of phase shift can be suppressed.
  • the signal conductor 2 is not covered with the solder resist layer 30 except for the overlapping portion 5, the signal transmission loss does not increase.
  • the thickness of the solder resist layer 30 is preferably 20 ⁇ m or more and 50 ⁇ m or less as described above. Further, the solder resist layer 30 may be replaced with another electrically insulating material having the same characteristics such as dielectric constant.
  • a signal conductor (2) constituting a transmission line of a signal transmitted via an antenna element (13), a first dielectric plate (3a) disposed at a position sandwiching the signal conductor (2), and The second dielectric plate (3b), the first dielectric plate (3a) and the second dielectric plate (3b) are replaced with the first dielectric plate (3a) and the second dielectric plate (3b).
  • a moving mechanism (4) that moves in a direction perpendicular to the thickness direction of the first conductor plate and the signal conductor (2) at a position sandwiched between the first dielectric plate (3a) and the second dielectric plate (3b)
  • a phase shifter (10) comprising a covering layer (30) made of an insulating material.
  • phase shifter (10) according to [1], wherein the coating layer (30) is a solder resist layer (30).

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  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Le problème décrit par l'invention est d'obtenir : un déphaseur dans lequel une distorsion d'intermodulation (IM) et une fluctuation de quantité de déphasage peuvent être supprimées par empêchement d'un contact direct entre une plaque diélectrique et un conducteur de signal ; et un dispositif d'antenne pourvu du déphaseur. La solution de l'invention porte sur un déphaseur (10) comprenant : un conducteur de signal (2) qui constitue une ligne de transmission de signaux à émettre par un élément d'antenne (13) ; une première plaque diélectrique (3a) et une seconde plaque diélectrique (3b) qui sont disposées à des positions prenant en sandwich le conducteur de signal (2) ; un mécanisme de déplacement (4) qui déplace la première plaque diélectrique (3a) et la seconde plaque diélectrique (3b) dans la direction orthogonale à la direction d'épaisseur de la première plaque diélectrique (3a) et de la seconde plaque diélectrique (3b) ; et une couche de recouvrement (30) qui recouvre le conducteur de signal (2) au niveau d'une position prise en sandwich entre la première plaque diélectrique (3a) et la seconde plaque diélectrique (3b), ladite couche de recouvrement étant constituée d'un isolant.
PCT/JP2016/053471 2016-02-05 2016-02-05 Déphaseur et dispositif d'antenne le comprenant WO2017134810A1 (fr)

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PCT/JP2016/053471 WO2017134810A1 (fr) 2016-02-05 2016-02-05 Déphaseur et dispositif d'antenne le comprenant

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PCT/JP2016/053471 WO2017134810A1 (fr) 2016-02-05 2016-02-05 Déphaseur et dispositif d'antenne le comprenant

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004056603A (ja) * 2002-07-23 2004-02-19 Nippon Dengyo Kosaku Co Ltd 移相器
JP2009124080A (ja) * 2007-11-19 2009-06-04 Toshiba Corp プリント配線板、及び電子機器
JP2014216784A (ja) * 2013-04-24 2014-11-17 日立金属株式会社 アンテナ装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004056603A (ja) * 2002-07-23 2004-02-19 Nippon Dengyo Kosaku Co Ltd 移相器
JP2009124080A (ja) * 2007-11-19 2009-06-04 Toshiba Corp プリント配線板、及び電子機器
JP2014216784A (ja) * 2013-04-24 2014-11-17 日立金属株式会社 アンテナ装置

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