WO1995034100A1 - Dispositif de decalage de phase - Google Patents

Dispositif de decalage de phase Download PDF

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Publication number
WO1995034100A1
WO1995034100A1 PCT/JP1995/001023 JP9501023W WO9534100A1 WO 1995034100 A1 WO1995034100 A1 WO 1995034100A1 JP 9501023 W JP9501023 W JP 9501023W WO 9534100 A1 WO9534100 A1 WO 9534100A1
Authority
WO
WIPO (PCT)
Prior art keywords
exciter
exciters
circuit
bottomed
phase
Prior art date
Application number
PCT/JP1995/001023
Other languages
English (en)
Japanese (ja)
Inventor
Yoshio Ebine
Masahiro Kirikomi
Tohru Matsuoka
Original Assignee
Nihon Dengyo Kosaku Co., Ltd.
Ntt Mobile Communications Network Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP06143834A external-priority patent/JP3131096B2/ja
Priority claimed from JP06175974A external-priority patent/JP3133905B2/ja
Application filed by Nihon Dengyo Kosaku Co., Ltd., Ntt Mobile Communications Network Inc. filed Critical Nihon Dengyo Kosaku Co., Ltd.
Priority to DE69526482T priority Critical patent/DE69526482T2/de
Priority to EP95919652A priority patent/EP0713259B1/fr
Publication of WO1995034100A1 publication Critical patent/WO1995034100A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/165—Auxiliary devices for rotating the plane of polarisation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/165—Auxiliary devices for rotating the plane of polarisation
    • H01P1/17—Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation
    • 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 shift device used for an antenna directivity control power supply device, a transmitter for obtaining a high output by operating a plurality of transmitters in parallel, and the like.
  • the maximum emission direction or side lobe characteristics of an array antenna is to be changed by appropriately controlling the excitation phases of a plurality of radiating elements forming an array antenna, a plurality of transmitters are operated in parallel.
  • the signal transmission line length is mechanically changed.
  • a waveguide type phase shifter formed by inserting a dielectric plate into a linear drawer or a waveguide configured as described above is used.
  • FIG. 1 (a) is a plan view of a conventional waveguide type phase shifter
  • Fig. 1 (b) is its side view
  • Fig. 1 (c) is the B-B line of Fig. 1 (b).
  • FIG. 1 (d) is a cross-sectional view taken along line A-A of FIG. 1 (a).
  • This waveguide-type phase shifter is a rectangular waveguide 11
  • Flanges 12t and 122 are provided for interrupt connection to the wave tube circuit.
  • a dielectric plate 13 is provided in the rectangular waveguide 11 so that its plate surface is parallel to the electric field in the waveguide 11.
  • the outline of the dielectric plate 13 is formed as a parallelogram as shown in Fig. 1 (d). That is, the edge on the radio wave incident side and the ⁇ on the opposite side are inclined. However, it is formed so as to improve the reflection characteristics of radio waves at these edges.
  • the plate thickness is formed so that the thickness gradually changes at the radio wave incident part and the part on the opposite side. In some cases.
  • Bracket 1 4 and 1 4 2 of the dielectric plate 1 3 is, that have through the rectangular guide Namikan 1 1 opposing short sides you and the dielectric plate 1 3. Bracket 1 4, and 1 4 2 in penetrating portion of the short side you face of the rectangular waveguide 1 1 slidable in the penetrating portion of the dielectric plate 1 3 is fixed to the dielectric plate 1 3 Review
  • the connecting fitting 15 connects the supporting fittings 14 i and 14 2 .
  • the supporting brackets 14 i and 14 2 are advanced or retracted in the respective axial directions of the supporting brackets 14 and 14 2 , so that a dielectric material is obtained.
  • the plate surface of the dielectric plate 13 is rectangular as shown in Fig. 1 (c).
  • the rectangular waveguide can be moved from a position coinciding with the central axis in the longitudinal direction of the rectangular waveguide 11 to a position close to one of the opposing short sides. It is possible to change the rate of phase change of radio waves propagating in 11.
  • Dielectric plate 13 is a rectangular waveguide
  • the phase shift amount can be changed by changing the insertion position of the dielectric plate 13.
  • the supporting brackets 14 and 14 2 are kept parallel to each other and have a mutual interval (interval in the longitudinal direction of the rectangular waveguide 11); I s / 4 (% s is the pipe inside the pipe corresponding to the operating frequency). Wavelength), and the support bracket on the side near the radio wave incident part 14! And the reflected wave occurring in, you the support bracket 1 4 2 As a result, the reflected waves that go back to the position of the support fittings 14 and 14 cancel each other out of phase with each other, so that the reflection characteristics can be improved.
  • the conventional line stretcher requires the line length to be changed according to the required phase shift amount.Therefore, when the required phase shift amount is large, a mechanical structure is required. Not only does this increase the size, but it is necessary to make adjustments with a relatively large amount of time and effort in order to correspond the phase shift amount and the line length with high accuracy.
  • FIG. 2 shows a configuration in which the conventional phase shift device is used to control the excitation phase of the sub-array antenna to change the maximum radiation direction or sidelobe characteristics of the array antenna. It is a figure showing a feed circuit.
  • the power supply circuit includes sub-array antennas 16 i to 16 4 each including a plurality of element antennas, the conventional phase shifters 17 to 17 3, and a reference phase shifter. It is composed of a transmission line 18 1 to 18 3 having a quantity and a two-branch circuit IS i IS s.
  • the conventional phase shifter must not only have the same disadvantages as the line stretcher described above, but also use it as shown in Fig. 2, that is, the maximum size of the array antenna.
  • phase shifting device 1 7 ⁇ 1 7 3 each pair to standards and ing phase Transmission line with quantity 18! Since the ⁇ 1 8 3 and 2 branch circuit 1 9 i ⁇ 1 9 3 you require, Ru missing Tengaa called configuration of the feeder circuit is complicated. Disclosure of the invention
  • An object of the present invention is to provide a phase shifter having a small and simple structure, and which can be easily adjusted during manufacture and handled during use.
  • a first exciter which is excited by the bisecting output of the two distribution circuit and produces circular polarization
  • a second exciter to which the circularly polarized waves generated by the first exciter are coupled;
  • the bi-partition output of the bi-partition circuit that distributes the input power into two so that the mutual phase difference is approximately 90 °
  • the circular polarization is applied to the entire surface of the first exciter. Is generated, and this circularly polarized wave is coupled to the second exciter, and two outputs of the second exciter generated by the coupled circularly polarized wave are combined by the combining circuit.
  • the first and second exciters are relatively rotated around an axis connecting the centers of the first and second exciters, the first exciter is excited in accordance with the rotation angle.
  • the phase difference between the input of the two-divider circuit that applies power and the combined output of the second exciter changes.
  • This phase shifter can change the amount of phase shift over a wide range from 0 ° to 360 °, has a compact and simple structure, adjusts during manufacture, and handles during use. Both are extremely easy. Also, since the relative rotation angle of both shield cases and the phase shift amount are in a proportional relationship, an angle scale should be attached to the peripheral surface of one shield case and an arrow etc. should be attached to the peripheral surface of the other shield case. Thus, the phase shift amount can be read directly.
  • a first exciter which is excited by an input applied via an input terminal and produces linearly polarized light
  • a second exciter in which two orthogonal components of linear polarization generated by the first exciter are combined
  • a phase shifter having a combining circuit for combining two outputs generated by two orthogonal components of linear polarization coupled to a second exciter is provided.
  • This phase shifter has a phase shift of 0 ° to 360 °. It has a small and simple structure, and it is extremely easy to adjust during manufacture and handle during use.
  • an angle scale is attached to the peripheral surface of one shield case and the other is The phase shift amount can be read directly by attaching an arrow or the like to the peripheral surface of the shield case.
  • phase difference between the input and any one of the two outputs of the combining circuit is changed according to the relative rotation angle of the shield case, and between the two outputs according to the relative rotation angle of the shield case. Since the phase difference can be changed, it is suitable for controlling the maximum radiation direction or side lobe characteristics of the array antenna.
  • FIG. 1 is a diagram showing a conventional example of a waveguide type phase shifter
  • FIG. 2 is a diagram showing an example of use of the conventional phase shifter of FIG. 1,
  • FIG. 3 is a side view of a phase shifter according to one embodiment of the present invention
  • FIG. 4 is a side view of a coupler 21 in FIG. 3
  • FIG. 5 is a plan view of the coupler 21 in FIG. 3,
  • Fig. 6 is a sectional view taken along the line C-C in Fig. 4,
  • Fig. 7 is a sectional view taken along the line D-D in Fig. 5,
  • FIG. 8 is a diagram for explaining the operation of the phase shifter of the embodiment of FIG. 3,
  • FIG. 9 is a diagram showing the return loss characteristic of the coaxial connector 2 13 i of the phase shifter of the embodiment of FIG. 3 .
  • FIG. 10 is a diagram showing the transmission attenuation characteristics between the coaxial connector 2 1 3 i and 2 1 3 4 of the phase shifter of the embodiment of FIG. 3
  • FIG. 11 is a diagram showing the amount of phase shift with respect to the relative rotation angle ⁇ of the shield cases 21, 2 12 in the phase shifter of the embodiment of FIG. 3,
  • FIG. 12 is a diagram showing a transmission attenuation characteristic between the input terminal 22 and the output terminal 24 t in the phase shifter of the embodiment of FIG.
  • FIG. 13 is a sectional view of a main part of a phase shift device according to another embodiment of the present invention.
  • FIG. 14 is a sectional view of a main part of a phase shift device according to another embodiment of the present invention.
  • FIG. 15 is a professional, schematic, and schematic diagram of a phase shifter of another embodiment of FIG.
  • FIG. 16 is a side view of a phase shifter according to another embodiment of the present invention.
  • FIG. 17 is a side view of the coupler 31 in FIG. 16
  • FIG. 18 is a plan view of the coupler 31 in FIG. 16
  • FIG. 19 is G in FIG. G line sectional view
  • Fig. 20 is a sectional view taken along line H-H in Fig. 17;
  • Fig. 21 is a sectional view taken along the line I-I in Fig. 18;
  • FIG. 22 shows the electric field levels E and 90 generated by the excitation element 31 in the phase shifter of FIG.
  • FIG. 4 is a diagram showing the output of the 3 dB hybrid circuit 32, E2.
  • the second 3 Figure is a diagram showing reflection characteristics of definitive to coaxial connector 3 1 3 i of phase shifting device of the first 6 diagrams, Fig second 4 Figure indicating a transmission attenuation characteristic between the first 6 view of the phase shifting device coaxial connector 3 1 3, 3 1 33,
  • FIG seal Doke in phase shifting device of the first 6 Figure - shows the amount of phase shift with respect to scan 3 1 i, 3 1 2 of the relative rotational angle [Phi,
  • the second 6 figures coupler 3 1 coaxial connector 3 1 3, and 9 0 ° 3 d B hybrid circuit 3 and second output terminals 3 2 3 between and coupler 3 1 coaxial connector 3 Figure showing the results of observing the transmission attenuation between the output terminals 3 2 and 4 of the 1 31 and 90 ° 3 dB hybrid circuit 32 .
  • Figure 27 shows 90. 3d B hybrid, a diagram showing an example in which the output terminals 3 2 3 and 3 2 4 of the circuit 32 are used together with the outputs E 2 and
  • FIG. 28 is a sectional view of a main part of a phase shift device according to another embodiment of the present invention.
  • FIG. 3 is a side view of a phase shift device according to one embodiment of the present invention.
  • the phase shifter of this embodiment is a shielded case 2 1 with a bottomed cylindrical shape.
  • a coupler 2 including coaxial connectors 2 1 3 1 to 2 1 34 , an input terminal 2 2, an isolation terminal 2 2 2, and an output terminal 2 2 90 ° 3 dB, consisting of directional couplers including 3 and 24 Circuit 2 2, eye Seo rate tion terminal 2 2 no reflection terminator 2 3 connected to 2, the output terminal 2 4 i and Ai source array sheet Yo down terminal 2 4 2 and the input terminal 2 4 3, 90 ° 3 dB hybrid circuit 24 consisting of a directional coupler, including 2 44, anti-reflection terminator 2 5 connected to isolation terminal 2 4 2 , and output terminal 2 2 4 and the terminal 2 1 31 coaxial cable 2 6 the connect, the coaxial cable 2 6 2 which connects the output terminal 2 2 3 and the terminal 2 1 32, and terminals 2 1 3 4 input terminals 2 4 3 It is composed of a coaxial cable 2 7 2 to be connected and a coaxial cable 2
  • each output power of the output terminals 2 2 3 and 2 2 4 is 1 Z 2 of the input power to the input terminal 2 2, for example, the phase of the output of the output terminal 2 2 3 is the output terminal 2 2 4 It is almost 90 ° delayed from the output phase.
  • the input terminals 2 4 3 and 2 4 4 have inputs of equal magnitude applied to each other.For example, the input terminal 2 4 3 has approximately 90 ° with respect to the phase of the input of the input terminal 2 4 4 An advanced phase input is applied.
  • the output phase of the output terminal 22 3 of the 3 dB noise-free circuit 22 is delayed by about 90 ° with respect to the phase of the output of the output terminal 22 4 , and both outputs are in an equal relationship. While maintaining a certain state, in addition to the input coaxial connector 2 1 31 and 2 1 32 of the coupler 2 1 Each length is adjusted so that it can be performed.
  • Coaxial cable 2 7 i, 2 7 2 are coupler 2 1 of the output coaxial contact plug 2 1 3 3, 2 1 3 4 or et output, the or or hold the phase difference Contact and such amplitude relationship of the output mutual Then, the respective lengths are adjusted so as to be added to the input terminals 24 3 and 24 4 of the 90 ° 3 dB high-price, so-do circuit 24.
  • Fig. 4 is a side view of the coupler 21 in Fig. 3
  • Fig. 5 is a shield case 21 of the coupler 21! 6
  • FIG. 7 is an enlarged cross-sectional view along the line D-D in FIG. It is.
  • the seventh step portion is provided in the side wall surface of each opening end of the two shield cases 2 1 i and 2 1 2 Remind as in FIG seal the inside of the open end of the seal de Case 2 1 I
  • the open end of the shield case 2 1 2 is fitted into the shield case 2 1 I and 2 1 2, and the shield case 2 1 1 and 2 1 2 are relatively moved around the cylindrical shaft. It is configured so that it can rotate at a high speed.
  • the shield cases 211 and 212 are formed by cutting a metal block, by forming a metal plate into a required shape, or by forming a base of a required shape with a suitable synthetic resin.
  • a metal film is deposited on the surface by means of electroless plating or vapor deposition, or a dielectric plate with an appropriate dielectric constant is laminated in multiple layers, and Snell's law is used. It is manufactured by forming to shield electromagnetic energy according to the following.
  • Shielded case 2 1 The inner surface of the bottom wall is made of an organic material such as polyethylene or fluoride having excellent high-frequency characteristics or an inorganic material such as ceramics.
  • An insulating disk 2 15 which is thinner than that of the above, is fixed using an appropriate adhesive.
  • Insulated disk 2 1 5 A metal plate 2 16 is fixed to the surface of the substrate with a suitable adhesive, and a coaxial plug 2 13 1.
  • the center point of the coaxial connector 2 1 3, the inner conductor 2 1 41 and the metal plate 2 1 61 becomes Ri by the connection point excitation point and the metal plate 2 1 6 t a straight line connecting a crossing angle between the straight line connecting the center point of the coaxial connector 2 1 31 of the inner conductor 2 1 42 and the metal plate 2 1 61 becomes Ri by the connection point excitation point and the metal plate 2 1 6 t is perpendicular It has become.
  • the outer conductors of the coaxial connectors 2 1 31 and 2 1 32 As shown in Fig. 7, the inner conductor 21 is electrically connected to the shield case 21 i so that the inner conductor 21 does not come into mechanical contact with the shield case 21 1. , Shield Case 21! Peripheral Ri part is been removed the gap of the inner conductor 2 1 41 is formed of, but not shown in the figure, peripheral Ri portions of shield case 2 of the internal conductor 2 1 42 likewise A gap is formed.
  • Metal plate 2 1 6 Instead of using an adhesive as a means of fixing the surface of the insulating disk 2 15 to the surface of the insulating disk 2 15 , the center of the metal plate 2 16 (the part where the strength of the electric field is zero) is set. in either fixed to the insulating disc 2 1 51, the metal plate 2 1 6 via the insulating disc 2 1 51, the center may be Me screwed into the bottom wall of the seal Dokesu 2 1.
  • the excitation element may be formed by a metal film having a desired contour shape formed by an etching technique or the like.
  • the excitation element is formed of a metal plate or a metal film
  • its contour is formed in a square shape instead of a circular shape, and a coaxial plug is used at the corner of the square.
  • 2 1 32 inner conductor 2 1, 2 1 42 may be earthenware pots by electrically connecting.
  • FIG. 8 is a diagram for explaining the operation of the present phase shifter.
  • 9 0 ° 3 d B hive Li head circuit 2 and second input terminals 2 2, added to the input power E is output substantially equal 2 are distributed output terminal 2 2 3 from 2 2 4, output terminals 2 2 3 outputs the phase, ing a substantially 9 0 beta phase delayed relative to the output terminal 2 2 4 output E 2 of the phase.
  • the output terminals 2 2 3 are connected to the isolation terminals 2 2 2
  • the output corresponding to the difference between the impedance looking at the load side from the output terminal and the impedance looking at the load side from the output terminal 222 is output, and this output is absorbed by the non-reflection terminator 23.
  • Ru is, is consistent with the output terminal 2 2 3 load, in a state matching bets were the output terminal 2 2 4 and the load is outputted to ⁇ Lee Seo Reshi Yo down terminal 2 2 2 2 Since the output is extremely small, the anti-reflection terminator 23 needs only an allowable power of / J, which is sufficient.
  • beta output E 2 of the hive Li head circuit 2 2 of the output terminal 2 2 4 is added, when the instantaneous value of the electric field propagating from the excitation point in the Z direction and E Y, the instantaneous value of the field EX and E y are
  • Electric field propagating in the Z direction is coupled to the second excitation element 2 1 62 that form the second exciter together with the insulating disc 2 1 52 and the second seal Dokesu 2 1 2 of the bottom wall, bond A straight line connecting the excitation point where the inner conductor 2 141 of the coaxial connector 2 1 3 1 of the heater 21 is connected to the first excitation element 2 1 61 and the center point of the first excitation element 21 si , a straight line connecting the center point of the coupler 2 the first coaxial connector 2 1 internal conductor 2 1 44 34 and excitation point being connected to the second excitation element 2 1 .beta.2 second excitation element 2 1 62 the intersection angle [Phi, coaxial connector 2 1 34 outputs E 3 of the representative of the output of the Jikusessen 2 1 33 E 4, the output E 3, E 4 is
  • the output E 3 of the coaxial connector 2 1 34 via the input terminal 2 4 3 9 0. was added to 3 d beta Nono Ivry Tsu de circuit 2 4, applied to the coaxial connector 2 1 33 output E 4 of via input terminals 2 4 4 9 0 ° 3 d B Nono Lee Bed Li Tsu de circuit 2 4 . 9 0. 3 d B hybrid Tsu de circuit 2 4 eye Seo Reshi tio down terminal 2 4 2 output E 5, when representing the output of the output terminal 2 4 i in E 6, the output E 5.
  • E 6 are each EE
  • the present phase system rotates the shield case 2 1 i and 2 1 2 only relatively angle [Phi, 9 0 3 inputs to d BA Ivry Tsu de circuit 2 and second input terminals 2 2 i 90 for the phase of.
  • the output phase of the output terminal 2 4, of the 3 dB high-band circuit 24 is changed by ⁇ be able to .
  • Fig. 9 shows the shielded case 21 of the coupler 21! And the inner diameter of the bottomed cylinder forming 2 12 is 0.285 ⁇ . (I. The free space wavelength corresponding to the design frequency f.) To the distance between the bottom wall and the seal Dokesu 2 1 2 of the bottom wall of the shield case 2 1 t 0. 0 8 N 9.
  • the insulating disc 2 1 each specific dielectric constant in our and 2 1 52 1 0, each dielectric loss tangent of the insulating disc 2 1 51 Contact and 2 1 52 zero. 0 0 5 5, insulating circular each thickness of the plate 2 1 5 2 1 52 0.0 2 3.
  • the respective diameters of the second excitation element 2 1 61 2 1 62 each contour shape of formed into a circle 0. 2 1 lambda.
  • the horizontal axis is a design frequency f.
  • the vertical axis is the return loss (dB).
  • the first 0 Figure the transmission characteristic between the coupler when the 2 1 of the dimensions of each part were selected similarly to the values described with in FIG. 9, the Jikusessen 2 1 31 and 2 1 34
  • the horizontal axis is the same as in Fig. 9, and the vertical axis is the transmission attenuation (dB).
  • the reflection characteristics and transmission characteristics of the coupler 21 are good over a wide band.
  • the thickness of the coupler 2 the first insulating disc 2 1 si, 2 1 52 has, which was selected in accordance with the transmission frequency band, the selected The bandwidth can be increased by increasing the thickness from the thickness.
  • the first 1 figure coupler 2 1 of the dimensions of each part are selected as with value describes the FIG. 9, Remind as in Figure 3, the coaxial cable 2 6, and 2 6 2 90 ° via a coaxial cable 21 i, 21 2, together with connecting the hybrid circuit 22 to the coupler 21.
  • the shield cases 2 11 1 and 2 1 2 forming the coupler 21 are connected to a common cylindrical shaft.
  • the rotation angle ⁇ when rotated relatively around .90. 3 90 dB for the phase of the input to the input terminal 22 i of the hybrid circuit 22. It shows the result of observing the phase change of the output from the output terminal 24, of the 3 dB hybrid circuit 24, and the horizontal axis represents the design frequency: f.
  • the vertical axis is the phase shift (°) with respect to the rotation angle ⁇ .
  • Figure 12 shows the same conditions as the observations shown in Figure 11 under the same conditions, with 90 ° 3dB eight-bridging circuit 22 and input terminals 22i and 90 ° 3 The results of observing the transmission attenuation between the output terminals 24 of the dB hybrid circuit 24 are shown.
  • the horizontal axis is the same as in Fig. 11, and the vertical axis is the transmission attenuation (dB).
  • the transmission attenuation is 90 compared to the transmission attenuation in the case of only the coupler 21 shown in FIG. 3 d B Nono Lee Bed Li Tsu de circuit 2 2 and 2 4, coaxial cables 2 6 i Contact good beauty 2 6 2 of al beauty to 2 7, and Tsu by the and this was added to our good beauty 2 7 2 transmission Although the loss increases, the amount of change in the frequency characteristic of the transmission attenuation is the same as in the case of the coupler 21 alone.
  • the shielded cases 21,, 21 of the coupler 21 are formed of metal, and the first exciter provided inside the coupler 21 is connected to the shielded case 21,, which serves as a grounding conductor.
  • plate 2 1 5 formed in My cross Bok Clip antenna consisting Ri good excitation element 2 1 6 1, shield case 2 1 2 a second exciter, the ground conductor, the insulating disc 2 1 5 2 , Exciter 2
  • the shield case 2 1 When the metal film is attached to the outer surface of the base made of a suitable synthetic resin, the metal film attached to the outer surface of the base of the shield case 21 t is grounded. and then, sealing Dokesu 2 1, base the Runode can and this is utilized in the insulating disc 2 1 5 1, seal Dokesu 2 1, preparative excitation element 2 1 6 1 on the inner surface of the bottom wall of the The first excitation consisting of micro-story and sub-antenna A vibrator can be formed, and the excitation element 21 ⁇ 2 can be attached to the inner surface of the bottom wall of the shield case 211 by the micro strip antenna. Thus, a second exciter can be formed.
  • the shield case 2 1 1, 2 1 when forming a dielectric pair plate superimposed on multilayer seal Dokesu 2 1, of the bottom wall with the inner surface of the bottom wall Fit the excitation element 2 1 61
  • a first exciter consisting of a microstory and a soup antenna
  • the shield case 2 1 2 A second exciter consisting of a micro strip antenna is formed by mounting the excitation element 2 1 6 2 on the inner surface of the bottom wall and mounting the ground conductor on the outer surface of the bottom wall. can do.
  • a metal plate or an exciter is formed.
  • An exciter may be formed by a slot antenna provided with a slot antenna.
  • FIG. 13 other reference numerals and configurations are the same as those in FIG.
  • the cross-shaped slot provided is the same as that of FIG.
  • the shield cases 21,, 212 are formed by attaching a metal film to the outer surface of a base made of a suitable synthetic resin, a metal coating deposited on the surface and the ground conductor, and utilized in a base first 4 Contact Figure only that the insulating disc 2 1 s, and our good beauty 2 1 52, shield case 2 1 !, 2 If 1 2 is formed of a multi-layered dielectric plate, the shield case 21 1! , 21 z, and the excitation element 2 161 , 21 ⁇ 2 made of a metal plate or metal film with a cross-shaped slot attached to the inner surface of each bottom wall.
  • the first antenna consisting of a slot antenna
  • First and second exciters can be formed.
  • 2 1 3 1, 2 1 32 connects Burobu the inner conductor 2 1 41, 2 1 42, the longitudinal direction of both probes, together with the metal plate or the metal coating 2 1 beta, and become parallel, both long-side direction extension of the probe was a metal plate or intersect at center point in the metal film 2 1 61, formed in earthenware pots by the crossing angle is a right angle, the seal also shield case 2 1 2 side Case
  • An exciter consisting of a probe similar to that on the side may be provided.
  • Shield case 2 1,, 2 1 2 In any of the above configurations, the amount of phase shift between input and output depends on the relative rotation angle of the shield case 2 1 1 1 2 1 2.
  • the shield case 2 11 2 side is fixed, and the shield case 2 11 1, coaxial cable hole 26 t, 26 2, 90 ° 3 dB noise bridge circuit 22 are integrated.
  • the dB noise bridging circuit 22 is integrally formed so as to be rotatable, and the shield case 211 and the coaxial cable 27! , 2 7 2 9 0. It is also possible to integrally form the 3dB and the bridging circuit 24 so as to be rotatable.
  • both the shield cases 21 I and 21 2 are formed of a bottomed cylindrical body
  • either the shield case 21 1 or 2 12 has a bottomed circle.
  • the first or second exciter is formed as a cylindrical body, and the other, that is, the shield case 2 1 2 or 2 1 i is formed with a disc-shaped lid. Attach the second or first exciter to the inner surface, and rotate the lid to the open end of the bottomed cylinder It may be formed so as to fit as much as possible.
  • 90 is used as the input two-distribution circuit and the output synthesis circuit.
  • the 3 dB hybrid circuits 22 and 24 and the non-reflection terminal 23.2.55 are used as the input two-distribution circuit and the output synthesis circuit.
  • the human side and the output side are used.
  • the 3 dB hybrid circuits 22 and 24 and the non-reflection terminators 23 and 25 are replaced with 2-branch terminal circuits, and the two output terminals of the input 2-branch terminal circuit and the coupler 2 1 Coaxial plug 2 1 3 ! , 2 1 32 Coaxial cable
  • the length of the coaxial cable 26 2 is changed to the coaxial cable 26! Of the transmission wavelength compared to the length of
  • the varying the length of the coaxial cable 2 6 r and 2 6 2 only 1 Bruno 4 transmission wavelength, the coaxial cable 2 7! And 2 7 2 length by one fourth transmission wavelength Although it is necessary to make them different, the difference in length between the coaxial cables is 1/4 of the transmission wavelength, which is constant.
  • the difference in the length of the coaxial cable does not exactly correspond to one to four wavelengths for frequencies other than the center frequency.However, this embodiment is implemented when the transmission frequency band is relatively narrow. The operating error that occurs because the wavelength does not match the 1Z4 wavelength is so small that it does not matter in practice.
  • the moving device of the present invention is configured by combining three-dimensional components.
  • the 3dB hybrid circuits 22 and 24 and the non-reflective terminators 23 and 25 are bridged by a blind wiring method. Is formed on the Bok board, the coaxial cable 2 6, 2 6 2, 2 7 1 and 2 7 2 in Tsu by the and the child you formed with a microphone and Russia scan Bok Clip. Line, reduction in the overall size of the can do.
  • a dielectric layer is provided on each outer surface of the shield cases 21 and 21 of the coupler 21, and printed wiring is provided on the dielectric layer provided on the outer surface of the shield case 21 i. 90, depending on the method.
  • a 3dB hybrid circuit 22, an anti-reflection terminator 23, and a microstrip line that replaces the coaxial cables 26 i and 26 2 are formed. 90 on the dielectric layer provided on the outer surface by a blind wiring method.
  • 3 d B high- Bed Li head circuit 2 4, nonreflective terminator 2 5, Ri by the and this forming the microphone B scan Bok Clip line in place of the coaxial cable 2 7 t and 2 7 2, whole Can be made very small and simple.
  • FIG. 16 is a view showing a phase shift device according to another embodiment of the present invention.
  • the phase shift device of the present embodiment is a bottomed cylindrical seal case.
  • the coaxial contact terminal 3 1 3 13 1 33 or we name Ru coupler 3 1 consisting Ri by plug, the input terminal 3 2, and A i Solenoid tio n terminals 3 2 2 output terminal 3 2 3 3 2 4 becomes Ri by example 1 Bruno 4 wavelength coupling line form laterally tropic coupler including 9 0.
  • FIG. 17 is a side view of the coupler 31 in Fig. 16, and Fig. 18 is a plan view of the shield case 31 of the coupler 31 as viewed from the bottom wall side.
  • Reference numerals in FIG. 18 are the same as those in FIG.
  • FIG. 19 is an enlarged sectional view taken along the line GG of FIG. 16
  • FIG. 20 is an enlarged sectional view taken along the line H—H of FIG. 17,
  • FIG. 21 is a line I-I of FIG. It is an enlarged sectional view.
  • shielded case 3 1 t. 3 1 stepped portion on the side wall surface of each opening end of the 2 provided et al is, one of the shield case, if this seal de Case 3 1! Inside the shield cases 3 1 2 open port end both seal by fitting the portion de open end to case 3 1! , 3 1 2 mechanical, as well as electrically coupling, shield case 3 1 1 3 1 2 and is decreased to the earthenware pots by may rotate Ri circumference of relatively cylindrical shaft.
  • a metal block is cut or formed into a required shape by pressing a metal plate, or a base of a required shape is formed with a suitable synthetic resin. It is formed by attaching a metal film to the surface by means such as electroless plating or vapor deposition, or by laminating dielectric plates having an appropriate dielectric constant in multiple layers and following Snell's law. It is manufactured by any method of forming a bottomed cylindrical body that shields electromagnetic energy.
  • 3 1 3 i 3 3 4 3 is a coaxial connector 3 1 3 i or 3 1 3 3 inner conductor, 3 1 S 1.3 1 S 2 is a polyethylene or polyethylene with excellent high frequency characteristics off Tsu organic material or sera Mi ethylene Len such Tsu Ri Do from inorganic material click scan such a thin insulating disc thicknesses compared to the transmission wavelength, the insulating disc 3 1 s i is shielded case 3 1 on the inner surface of one of the bottom wall, the insulating disc 3 1 5 2 on the inner surface of the sheet Ichiru de case 3 1 2 of the bottom wall, are fixed with an adhesive, respectively.
  • Metal plate 3 1 6 suitable for the surface of insulating disk 3 1 5 i 3 1 3! Is electrically connected to the inner conductor 3 1 4
  • Shielded case 3 1 opposing via 3 1 5 t is ground conductor, metal plate 3 1 6 i is first excitation element, coaxial plug 3 1 31 internal conductor 3 1 41 and metal plate 3 1 A first exciter consisting of a microstrip antenna whose connection point with 61 is an excitation point is formed.
  • a second exciter consisting of a micro-story and a soup antenna is formed at the connection point between the 31.42.31.43 and the metal plate 3162 as an excitation point.
  • the center point of the coaxial connector 3 1 32 of the inner conductor 3 1 42 and the metal plate 3 1 62 becomes Ri by connecting point excitation driving point and the metal plate 3 1 62 a straight line connecting the coaxial contact plug 3 1 33 inner conductor 3 1 43 and the metal plate 3 1 62 becomes Ri by connecting point excitation point and the metal plate 3 1 6 2 intersection angle between the straight line connecting the center point perpendicular It has become.
  • the spacing of 3 1 6 2 should be smaller than the transmission wavelength. It is formed.
  • the outer conductor of the coaxial connector 3 1 3 t is a shielded case 3 1!
  • the outer conductors of the coaxial connectors 3 1 3 2 and 3 1 3 3 are shielded.
  • Metal plate 3 1 6 The Ri Daiwa or to use a 3 1 6 2 was or insulating disc 3 1 5 t 3 1 5 as a means for securing the second surface adhesive, the metal plate 3 1 6 i or 3 Stop the center of 1 6 2 (the part where the electric field strength is zero) with a screw and insulate the disk 3 1 5 i or
  • 3 1 5 2 or the center of the metal plate 3 16 i or 3 16 2 via the insulating disk 3 15 i or 3 152 the other may be the jar by screwing in 3 1 2 of the bottom wall.
  • the excitation element of the microstrip antenna forming the first or second exciter is connected to a metal plate 3 16 i or Instead of forming with 3 1 6 2, an insulating disk 3 1 5 i or
  • 3 1 52 surface is attached to Tsu by the means of deposition or the like of, may be Tsu by the metal coating finished to the required contour shape Tsu by the error tree quenching method or the like to form an excitation element.
  • the exciter element is formed of a metal plate or a metal film, its contour is formed in a square instead of a circle as shown in Figs. 19 and 20. You may.
  • the relative permittivity ⁇ r of the insulating disks 3 15 t and 31 s 2 and the design frequency are f.
  • FIG. 22 is a diagram for explaining the operation of the present phase shifter.
  • Coupler 3 1 coaxial connector 3 1 3 was applied to the input, to excite the first excitation excitation element in unit 3 1 61 and through the inner conductor 3 1 41.
  • a straight line connecting the coaxial connector 3 1 32 of the inner conductor 3 1 42 and the driven element 3 1 62 excitation point of comprising Ri by connecting point and the center point of the driven element 3 1 62, inner conductor of coaxial connector 3 1 33 Excitation point and excitation element that differ from the connection point of 3 1 43 and excitation element 3 1 62
  • the intersection with the straight line connecting the center points of 3 1 6 2 is formed at a right angle, so that the excitation element 3 1 62 is excited in the basic mode. , enabling binding orthogonal mode coupling becomes sparse between the coaxial connector 3 1 3 2 3 1 3 3.
  • E gamma are output respectively, 9 through the coaxial cable 3 3 i and 3 3 2 0.
  • 3 d B Nono inputted to Lee Buri Tsu de circuit 3 2 terminal 3 2! And 3 2 2.
  • the phase of the output changes in the forward direction
  • the phase of the output E 2 changes in the backward direction.
  • the declination ⁇ of the electric field vector E from the X-axis is further increased to 135 ° or 315.
  • the phase relationship between the outputs E and E 2 is opposite to each other.
  • the second 3 figures coupler 3 1 seal Dokesu 3 1, 3 1 2 0 an inner diameter of the bottomed cylindrical body to form a. 2 8 5 e. ( ⁇ is the free space wavelength corresponding to the design frequency: f.) In the opposing distance between the sheet Ichiru de Case 3 1 i bottom wall and a shield case 3 1 2 of the bottom wall of the 0. 0 8 9 ⁇ .
  • the insulating disc 3 1 5 1.3 1 52 each dielectric constant of the 1 0, the respective dielectric loss tangent of the insulating disc 3 1 5 1.3 1 52 to zero. 0 0 5 5, insulating disc 3 1 51 3 1 52 each thickness of 0. 0 2 3 ⁇ .
  • each coaxial connector 3 1 32 3 1 33 coaxial Cape Le 3 3!
  • 3 3 2 a diagram showing the reflection characteristic at the outer and coaxial connector 3 1 3 observed i Ri taken, and the horizontal axis represents the design frequency.
  • the vertical axis is the return loss (dB).
  • the second 4 figures co when selecting the dimensions of each part of the coupler 3 1 similar to the values described for the second 3 view, and Jikusessen 3 1 32 3 1 33 or we coaxial to case Bull 3 3! .
  • the reflection characteristics and the transmission characteristics of the coupler 31 are good over a wide band.
  • the dimensions and the like of each part of the coupler 31 are selected in the same manner as the values described for FIG. 23, and as shown in FIG. 16, the coaxial cables 3 3! Through 90.
  • the shield cases 31, 31 forming the coupler 31 are connected to a common cylinder. rotate relative to the Ri circumference of the shaft, shield case 3 1 that put the second exciter are decorated in 2 side driven element 3 1 beta 2 and coaxial connector
  • the horizontal axis in FIG. 25 is the same as in FIG. 23, and the vertical axis is the declination ⁇ ), that is, the phase shift amount (relative to the relative rotation angle ⁇ of the shield cases 31, 32). °).
  • Figure 26 shows the case of the observation whose results are shown in Figure 25.
  • coupler 3 1 coaxial connector 3 1 3 i and 9 0 ° d B hive Li Tsu de circuit 3 between the second output terminal 3 2 3 and binding device 3 first coaxial connector 3 1 3 The figure shows the results of observing the transmission attenuation between the output terminals 3 and 4 of the 90 ° 3 dB hybrid circuit 32 and the horizontal axis is the same as in Fig. 25.
  • the vertical axis is the transmission attenuation (dB).
  • the transmission attenuation is 90 compared to the case of only the coupler 31 shown in FIG. 3d B noise bridge circuit 32, coaxial cable 33! And 3 3 are transmission loss by 2 and this was added to it you increase the angle ⁇ phase shift of change in the output E i and E 2 against the change in the difference of the output and E 2 of the amplitude Little difference is noticeable.
  • FIG. 9 is a diagram illustrating an example in which both the output terminals E 2 and E 1 of the output terminals 3 2 3 and 3 2 4 of the 3 dB noise bridge circuit 32 are used.
  • 3 4 phase shifting device of the first 6 FIG, 3 1 3 t denotes an input terminal of the combiner 3 1 of the phase shifting device 3 4, 3 2 3 and 3 2 4 that put the phase shifting device 3 4 9 0 ° 3 d B
  • 3 5 1 Contact and 3 5 2 is subarrays Ray antenna both made Ri by a plurality of elements antenna.
  • 3 1 2 relative rotation angle ⁇ > changes against the output base click preparative Le each peak of E x, E gamma of The trajectory connecting An ellipse is formed, but the angle at which the output vectors EX and EV start drawing the ellipse is 90 ° different, and the rotation direction is also opposite, so the phase difference between the outputs E 2 and E 1 is arbitrarily selected.
  • the shield cases 31 1 and 31 z of the coupler 31 are formed of metal, and the first exciter provided inside the coupler 31 is connected to the shield case 31, which becomes a ground conductor.
  • a second exciter is formed by a microstrip antenna consisting of a disc 3 1 5 1 and an exciting element 3 1 6 1 , and a second exciter is used as a shielded case 3 1 2 serving as a ground conductor and an insulating disc 3 1 5 2, excitation Element 3 1 6 has been illustrated a case where the shape formed by 2 becomes Ri good microphone B be sampled Li Uz loop antenna, seal Dokesu 3 1 and 3 1 2 a suitable outer surface of the synthetic resin by Ri becomes base If a metal film is attached to the seal case, seal case 3 1!
  • the metal film deposited on the outer surface of the substrate and the ground conductor, the base of the shield case 3 1 t can and this is utilized in the insulating disc 3 1 5 Runode, seal Doke over scan 3 1 !
  • the excitation element 3 16 1 By mounting the excitation element 3 16 1 on the inner surface of the bottom wall of the antenna, it is possible to form the first exciter, which is a microstrip antenna, and Doke scan 3 1 2 of microphone with the inner surface of the bottom wall Tsu by the and this that with which Ri preparative excitation element 3 1 6 2 b scan Bok Li, this forming a second exciter consisting Ri by emission loop antenna And can be.
  • Shielded case 3 1 When the dielectric plate is formed by laminating 3 and 2 into a multilayer, the excitation element 3 16 1 is attached to the inner surface of the bottom wall of the shield case 31 and the ground conductor is attached to the outer surface of the bottom wall.
  • the excitation element 3 16 1 is attached to the inner surface of the bottom wall of the shield case 31 and the ground conductor is attached to the outer surface of the bottom wall.
  • the second exciter is formed by a micro-strip antenna Instead, as shown in Fig. 28, a cross-section similar to Fig. 20, a cross-shaped metal plate or metal film 3 16 It is formed of a slot antenna provided with a slot 3 17, and the first exciter is a cross-shaped slot in FIG. 28, and a slot in the vertical or horizontal direction of the slot. It may be formed by a slot antenna consisting only of birds.
  • a slot antenna consisting only of birds.
  • the shield case 3 1! Oyo beauty 3 1 2, even when formed by depositing a metal coating on the outer surface of the base made Ri by appropriate synthetic resin, a metal film deposited on the outer table surface of the substrate and the ground conductor, substrate Insulated discs 3 1 5 and 3 1 5 2 for IJ IJ and shielded case 3 1! , 3 1 2, when forming a dielectric plate superimposed on multilayer, the shield case 3 1 t, 3 1 the character type or the second inner surface of each bottom wall of the cross-shaped slot
  • the excitation elements 3 16 1 and 3 16 2 made of a metal plate or metal film are attached, and the ground conductor is provided on the outer surface of each bottom wall to allow the slot First and second exciters consisting of an antenna can be formed.
  • a probe is connected to the inner conductor 3 1 4 1 of the coaxial connector 3 1 3 1 shown in FIG. 19 to form the first exciter, and the coaxial connector 3 shown in FIG. 20 is formed.
  • 1 3 2 and 3 1 3 3 of the inner conductor 3 1 4 Contact good beauty 3 1 4 3 connect the probe, both flop
  • Each longitudinal Russia over blanking is, together with the metal plate or is parallel to the metal film 3 1 6 2, both probe longitudinal extension portion of the metal plate or the metal film 3 1 6 2
  • the second exciter may be formed such that they intersect at the center point and the intersection is at a right angle.
  • Shield Case 3 1 i. 3 1 2 to the first Ru are each decorated, even when the second exciter as either of the aforementioned structure, shielded casing 3 1.3 1 2 relative rotation angle
  • the amount of phase shift between input and output is determined according to the condition, but shield case 3 1! , 3 1 to 2 relatively rotating the shield case 3 1 2, the coaxial cable 3 3 i, 3 3 2, 9 0. 3dB No, fix the bridging circuit 3 2 and rotate the shield case 3 1 i or the shield case 3 1!
  • the shield case 3 1 2 or 3 1 is formed with a disc-shaped lid, and the second or first exciter is attached to the inner surface thereof, and the bottomed cylindrical body is formed.
  • the lid may be formed so as to be rotatably fitted to the opening end.
  • the 3 dB hybrid circuit 32 is formed by a 1Z4 wavelength-coupled line type directional coupler has been described, it may be formed by a branch line type directional coupler. .
  • 3 d B replaces the hive Li head circuit 3 2 2 branch terminal circuit, the coaxial cable 3 3 i. 3 3 z Chi sales of, if example embodiment the length of the coaxial cable 3 3 2 of the coaxial cable 3 3 i length On the other hand, it may be formed to be longer by one to four times the transmission wavelength.
  • a coaxial cable 3 3, and 3 3 2 If the length differences were selected earthenware pots by the 1 Z 4 transmission wavelength at the center frequency of the heat transmission band, is about the frequency other than the center frequency coaxial cable Although the difference in length does not exactly correspond to one-fourth wavelength, this embodiment is implemented when the transmission frequency band is relatively narrow, so that it does not match one-quarter wavelength. The operating error that occurs due to the absence is so small as to be practically acceptable.
  • phase shifter is configured by combining three-dimensional components
  • the 90 ° 3 dB hybrid circuit 32 is formed by the print wiring method. By forming them on a printed circuit board and forming the coaxial cables 33, 33 with microstrip lines, the overall size can be reduced.
  • the dielectric layer is provided on the outer surface of the coupler 3 1 of the seal Dokesu 3 1 2, on top of this dielectric layer, and Tsu by the Prin Bok wiring technique, 9 0 ⁇ 3 d ⁇ high Breakfast Li head circuit 3 2, Ri by the and the child to form a microphone and Russia be sampled Clip line alternative to coaxial cable 3 3 t, 3 3 2, Ru can and this that make up the whole extremely small briefly .
  • a two-branch terminal circuit is used in place of the noise circuit 32, it should be mounted on the printed circuit board or in a shielded case. By forming it on the dielectric layer provided on the outer surface, the overall size can be reduced.

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Circuit diviseur à deux alimentations électriques sensiblement égales conçu de manière telle que le déphasage entre les deux sorties soit de 90°. Lesdites sorties sont dirigées sur une première excitatrice qui produit une onde à polarisation circulaire laquelle est à son tour dirigée vers une seconde excitatrice dont les deux sorties se combinent dans un circuit synthétiseur. Les extrémités ouvertes d'un boîtier de blindage entourant la première excitatrice et celles d'un boîtier de blindage entourant la seconde sont assemblées, et les deux excitatrices ainsi que les deux boîtiers peuvent pivoter autour de l'axe des excitatrices. Le déphasage entre l'entrée du circuit diviseur et les sorties du circuit synthétiseur peut varier en fonction de l'angle de rotation entre les deux excitatrices.
PCT/JP1995/001023 1994-06-02 1995-05-29 Dispositif de decalage de phase WO1995034100A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE69526482T DE69526482T2 (de) 1994-06-02 1995-05-29 Phasenschieberanordnung
EP95919652A EP0713259B1 (fr) 1994-06-02 1995-05-29 Dispositif de decalage de phase

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP6/143834 1994-06-02
JP06143834A JP3131096B2 (ja) 1994-06-02 1994-06-02 移相装置
JP6/175974 1994-07-05
JP06175974A JP3133905B2 (ja) 1994-07-05 1994-07-05 移相装置

Publications (1)

Publication Number Publication Date
WO1995034100A1 true WO1995034100A1 (fr) 1995-12-14

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Application Number Title Priority Date Filing Date
PCT/JP1995/001023 WO1995034100A1 (fr) 1994-06-02 1995-05-29 Dispositif de decalage de phase

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EP (1) EP0713259B1 (fr)
DE (1) DE69526482T2 (fr)
WO (1) WO1995034100A1 (fr)

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Publication number Priority date Publication date Assignee Title
US6470193B1 (en) 1997-04-11 2002-10-22 Telefonaktiebolaget L M Ericsson (Publ) Power efficient indoor radio base station

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173902A (ja) * 1982-04-06 1983-10-12 Mitsubishi Electric Corp 回転形移相器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530818A (en) * 1945-08-17 1950-11-21 Bell Telephone Labor Inc Variable phase shifter for circularly polarized microwaves
GB2005083B (en) * 1977-09-28 1982-05-19 Secr Defence Variable phase-shifters
SU1246186A1 (ru) * 1984-07-09 1986-07-23 Предприятие П/Я А-7672 Пол ризационный фазовращатель

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173902A (ja) * 1982-04-06 1983-10-12 Mitsubishi Electric Corp 回転形移相器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0713259A4 *

Also Published As

Publication number Publication date
EP0713259A4 (fr) 1996-10-23
EP0713259B1 (fr) 2002-04-24
DE69526482T2 (de) 2002-10-24
DE69526482D1 (de) 2002-05-29
EP0713259A1 (fr) 1996-05-22

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