WO2010098393A1 - 高周波モジュール - Google Patents
高周波モジュール Download PDFInfo
- Publication number
- WO2010098393A1 WO2010098393A1 PCT/JP2010/052984 JP2010052984W WO2010098393A1 WO 2010098393 A1 WO2010098393 A1 WO 2010098393A1 JP 2010052984 W JP2010052984 W JP 2010052984W WO 2010098393 A1 WO2010098393 A1 WO 2010098393A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- slot
- conductor
- frequency module
- frequency
- conducting wire
- Prior art date
Links
- 239000004020 conductor Substances 0.000 claims abstract description 328
- 230000005684 electric field Effects 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims description 2
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- 230000000644 propagated effect Effects 0.000 description 14
- 238000004088 simulation Methods 0.000 description 12
- 230000004048 modification Effects 0.000 description 11
- 238000012986 modification Methods 0.000 description 11
- 230000008878 coupling Effects 0.000 description 9
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- 230000000052 comparative effect Effects 0.000 description 7
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- 238000006073 displacement reaction Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Definitions
- the present invention relates to a high frequency module.
- a semiconductor element such as MMIC may be mounted on a high-frequency circuit board.
- MMIC Monitoring Microwave Integrated Circuit
- an inductance component is generated according to the length of the conducting wire.
- the deterioration of transmission characteristics due to the inductance component increases as the frequency increases.
- it is common knowledge to connect the wires such as bond wires as short as possible. Therefore, there is a technique in which a semiconductor element is arranged inside a cavity provided in a high-frequency circuit board and connected to a signal line around the cavity. This technique is described in, for example, Japanese Patent Application Laid-Open No. 2001-148457.
- the present invention has been devised in view of such problems in the prior art.
- the objective of this invention is providing the high frequency module which can connect a high frequency circuit simply with a conducting wire.
- the high-frequency module of the present invention includes a high-frequency circuit, a conductor, a first conductive wire, and at least one second conductive wire.
- the high-frequency circuit has a signal terminal and at least one reference potential terminal. The signal terminal is used for at least one of input and output of a high-frequency signal.
- the at least one reference potential terminal is connected to a reference potential.
- the conductor has a slot. The first conductive wire is connected to the signal terminal. The first conductor extends across the slot.
- the at least one second conductive wire is connected to the at least one reference potential terminal.
- the at least one second conducting wire is at least partially arranged along the first conducting wire. The at least one second conducting wire is provided so as not to cross over the slot.
- the first conductor and the at least one second conductor are paired and electromagnetically coupled to the slot.
- FIG. 1 is an external perspective view schematically showing a first embodiment of a high-frequency module of the present invention. It is a top view which shows typically the high frequency module shown in FIG. It is the top view to which the principal part of the high frequency module shown in FIG. 2 was expanded. It is an external appearance perspective view which shows typically 2nd Embodiment of the high frequency module of this invention.
- FIG. 4 is a side view schematically showing the high-frequency module shown in FIG. 3. It is an external appearance perspective view which shows typically 3rd Embodiment of the high frequency module of this invention.
- FIG. 6 is a plan view schematically showing the high frequency module shown in FIG. 5. It is an external appearance perspective view which shows typically 4th Embodiment of the high frequency module of this invention.
- FIG. 11 is a cross-sectional view taken along line XI-XI shown in FIG.
- FIG. 9 is an exploded perspective view showing a schematic configuration of a second slot structure shown in FIG. 8. It is an external appearance perspective view which shows typically 5th Embodiment of the high frequency module of this invention. It is a side view which shows typically the high frequency module shown in FIG. It is sectional drawing to which the principal part of the other form of the 2nd slot structure shown in FIG. 14 was expanded.
- FIG. 16 is a sectional view taken along line XVI-XVI shown in FIG. 15.
- FIG. 16 is a cross-sectional view taken along line XVII-XVII shown in FIG. It is a disassembled perspective view which shows schematic structure of the 2nd slot structure shown in FIG. It is an external appearance perspective view which shows the modification of the high frequency module of this invention typically. It is an external appearance perspective view which shows the modification of the high frequency module of this invention typically. It is an external appearance perspective view which shows the modification of the high frequency module of this invention typically. It is an external appearance perspective view which shows the modification of the high frequency module of this invention typically. It is an external appearance perspective view which shows the modification of the high frequency module of this invention typically. It is an external appearance perspective view which shows the modification of the high frequency module of this invention typically. It is an external appearance perspective view which shows the modification of the high frequency module of this invention typically. It is an external appearance perspective view which shows the modification of the high frequency module of this invention typically. FIG.
- FIG. 25 is a plan view schematically showing a modification of the high frequency module shown in FIG. 24.
- 3 is a graph showing electrical characteristics of the high-frequency module of Example 1. It is a graph which shows the electrical property of the high frequency module of Example 2.
- FIG. It is a graph which shows the electrical property of the high frequency module of Example 3.
- FIG. 6 is a graph showing electrical characteristics of the high-frequency module of Comparative Example 1.
- 10 is a graph showing electrical characteristics of the high-frequency module of Comparative Example 2.
- the high-frequency module 10 includes a slot structure 20, a high-frequency component 30, a conducting wire 40, and a protection member 50.
- the slot structure 20 of the present embodiment is constituted by a conductor plate 21.
- the conductor plate 21 is formed of a conductive conductor spreading in a planar shape.
- examples of the “conductive conductor” include various materials such as gold, silver, copper, platinum, and alloys thereof.
- the conductor plate 21 of the present embodiment has a rectangular shape in plan view.
- the “planar shape” includes a curved surface shape in addition to a planar shape.
- the conductor plate 21 has a through hole 21a.
- the through hole 21a penetrates the main surface of the conductor plate 21 in the thickness direction.
- the conductor plate 21 is configured as a conductor having an annular portion centered on the through hole 21a.
- the through hole 21 a has a rectangular shape extending long in one direction within the main surface of the conductor plate 21.
- the one direction in which the through hole 21a extends long is defined as a first direction
- the direction in which the through hole 21a is relatively short is defined as a second direction.
- the first direction is shown as x direction
- the second direction is shown as y direction in FIG.
- the through hole 21a functions as a slot 20a that passes a high-frequency signal having a high frequency.
- the slot 20a an electric field is generated along the second direction.
- This slot 20a is used as an antenna for spatial radiation, for example.
- Examples of the frequency of the high-frequency signal include those of 3 ⁇ 10 9 [Hz] or higher, and include a microwave signal, a millimeter wave signal, and a submillimeter wave signal.
- the surface of the slot 20a is also curved.
- the length of the slot 20a in the first direction is set to approximately 1 ⁇ 2 of the wavelength of the high frequency signal passing through the slot 20a.
- the slot 20a is provided in a rectangular shape, but may be another shape such as an oval shape or a dumbbell shape.
- the high-frequency component 30 includes a high-frequency circuit in which signal transmission is performed via a high-frequency signal.
- the high frequency component 30 of the present embodiment is disposed on one main surface of the slot structure 20.
- the high frequency component 30 of the present embodiment has a signal terminal 31 and a reference potential terminal 32.
- the signal terminal 31 and the reference potential terminal 32 are provided as connection terminals for a high-frequency circuit built in the high-frequency component 30.
- the signal terminal 31 is used for at least one of high-frequency signal input and output. That is, the signal terminal 31 may be used for inputting a high-frequency signal, used for outputting a high-frequency signal, or used for both input and output of a high-frequency signal. Further, the signal terminal 31 is electrically connected to a high frequency circuit built in the high frequency component 30. The signal terminal 31 of the present embodiment is located on the upper surface of the high frequency component 30.
- the reference potential terminal 32 is electrically connected to the reference potential point of the high-frequency component 30.
- the reference potential terminal 32 is disposed adjacent to the signal terminal 31.
- the reference potential terminal 32 is insulated from the signal terminal 31.
- two reference potential terminals 32 are provided apart from each other.
- the signal terminal 31 is located between the two reference potential terminals 32.
- the conducting wire 40 electromagnetically couples the slot structure 20 and the high-frequency component 30.
- the conducting wire 40 includes a first conducting wire 41 and second conducting wires 42 and 43.
- metal materials such as gold and aluminum, are mentioned, for example.
- As the first conductive wire 41 and the second conductive wires 42 and 43 for example, a thickness of about 0.01 to 0.05 [mm] is employed.
- the 1st conducting wire 41 and the 2nd conducting wires 42 and 43 can be formed, for example using a wire bonder.
- the “conductive wire” refers to a linear or strip-shaped conductor. Examples of the strip-shaped conductor include a ribbon wire. “Electromagnetically coupled” means that a high-frequency signal is transmitted via electromagnetic waves.
- the first conducting wire 41 electrically connects the conductor plate 21 and the signal terminal 31.
- “electrically connected” means that the high-frequency signal to be transmitted is connected so as to be transmitted from the transmitting side to the receiving side. This "electrically connected" state is from the perspective of high-frequency signal transmission, where the sending side and the receiving side are in physical contact with each other and when the sending side and the receiving side are not in physical contact And are included.
- the first conducting wire 41 of the present embodiment directly connects the conductor plate 21 and the signal terminal 31.
- the first conductor 41 has a first end connected to the signal terminal 31.
- the first conductor 41 has a second end 41 a connected to the conductor plate 21.
- a connection portion at the second end portion 41 a of the first conducting wire 41 is located on the other side of the slot 20 a when viewed from the high frequency component 30.
- the first conductive wire 41 straddles the slot 20a. That is, the first conducting wire 41 is spaced above the slot 20a.
- “upward” refers to a normal direction at the center of gravity of the slot 20a. This normal direction is shown as the z direction in FIG.
- “crossing over the slot” means that the first conducting wire 41 is separated from the slot 20a and the first conducting wire 41 intersects with the slot 20a when viewed in plan from the z direction.
- the first conducting wire 41 of the present embodiment crosses over the slot 20a through a space. By crossing the first conductor 41 across the slot 20a, the first conductor 41 can be coupled by a magnetic field generated between the first conductor 41 and the slot 20a.
- the tip of the first conductor 41 of this embodiment is in contact with the conductor plate 21, the tip can be regarded as a short end.
- the length of the first conducting wire 41 is approximately an integral multiple of 1 ⁇ 2 the length of the signal wavelength. Such adjustment of the length of the first conductive wire 41 can be performed by forming the first conductive wire 41 using a bonding wire.
- the first conducting wire 41 intersects the slot 20a at the center of the slot 20a in the first direction (x direction) when viewed in plan from the z direction.
- the first conducting wire 41 of the present embodiment intersects the first direction (x direction) in which the through hole 21a of the conductor plate 21 extends long when viewed in plan from the z direction.
- the first conducting wire 41 of the present embodiment extends perpendicular to the first direction.
- the first conducting wire 41 can be electromagnetically coupled even when the crossing angle with the first direction of the slot 20a is inclined from the orthogonal direction.
- the first conductor 41 can increase the electric field component parallel to the relatively short second direction of the slot 20a by bringing the direction in which the first conductor 41 itself extends and the first direction close to orthogonal. it can. By increasing the component parallel to the relatively short direction of the slot 20a, electromagnetic coupling between the first conductor 41 and the slot 20a is strengthened.
- the second conductive wires 42 and 43 electrically connect the conductor plate 21 and the reference potential terminal 32.
- the second conductive wires 42 and 43 of the present embodiment directly connect the conductor plate 21 and the reference potential terminal 32.
- the second conductors 42 and 43 have a first end connected to the reference potential terminal 32.
- the second conductors 42 and 43 have second end portions 42 a and 43 a connected to the conductor plate 21.
- the second end portions 42 a and 43 a of the second conductive wires 42 and 43 are located on the near side of the slot 20 a when viewed from the high frequency component 30. That is, the second conductors 42 and 43 do not cross over the slot 20a.
- the second end portions 42a and 43a of the second conductive wires 42 and 43 have line segments H 12 and H 13 connected to the second end portion 41a of the first conductive wire 41 when the slot 20a is viewed in plan view. 20a is crossed. A magnetic field is generated around the first conductive wire 41. The slot 20a can be coupled by the generated magnetic field.
- the second conductors 42 and 43 are along the first conductor 41 in a plan view.
- electromagnetic coupling with the 1st conducting wire 41 can be strengthened by arranging the 2nd conducting wires 42 and 43 along the 1st conducting wire 41 in this way.
- a transmission line having the first conducting wire 41 and the second conducting wires 42 and 43 as a pair is formed.
- an inductance component due to the length of the first conducting wire 41 can be suppressed.
- this signal line it is possible to reduce leakage of a high-frequency signal from the first conducting wire 41 as an electromagnetic wave.
- the signal terminal 31 since the signal terminal 31 is located between the two reference potential terminals 32, the electromagnetic coupling between the first conductor 41 and the second conductors 42 and 43 connected to the signal terminal 31 is made stronger. can do.
- the first conductor 41 and the second conductors 42 and 43 are electrically connected to the slot 20a having a capacitance component. Therefore, the inductance component of the first conducting wire 41 can be canceled by the capacitance component of the slot 20a.
- the capacitance component of the slot 20a can be easily adjusted by adjusting the length of the slot in the second direction. Therefore, in the high-frequency module 10, the slot can be matched with the impedance at the second end portion 41 a of the first conducting wire 41 and the second end portions 42 a and 43 a of the second conducting wires 42 and 43.
- the high-frequency module 10 can be matched in a wider frequency band than a stub that matches impedance at a specific wavelength.
- the impedance of the slot 20a can be adjusted by the length in the first direction.
- the second conductive wires 42 and 43 of the present embodiment extend in parallel to the first conductive wire 41 when viewed from the z direction.
- the second conductors 42 and 43 do not necessarily have to extend in parallel to the first conductor 41.
- the second conductors 42 and 43 may increase the distance between each other as they approach the slot 20a, or may narrow the distance between them. By providing a narrow interval between the second conductors 42 and 43, among the electric field components coupled to the first conductor 41, the electric field component of the slot 20a parallel to the relatively short direction of the slot 20a is increased.
- the magnetic field component coupled to the slot 20a can be increased.
- the second end portions 42a and 43a of the second conducting wires 42 and 43 of the present embodiment are located on the conductor plate 21 and are located on the inner side of the both ends of the through holes 21a of the conductor plate 21 in the first direction of the slot 20a. Located in.
- the first conductive wire 41 and the second conductive wires 42 and 43 of the present embodiment connect the signal terminal 31 and the reference potential terminal 32 which are arranged adjacent to each other and the slot structure 20 having the slot 20a.
- the pair formed by the first conducting wire 41 and the second conducting wires 42, 43 has the direction of the electric field generated between the first conducting wire 41 and the second conducting wires 42, 43, the signal terminal 31, the reference potential terminal 32, and the slot 20a. Gradually change between.
- the first conducting wire 41 and the second conducting wires 42 and 43 are easily coupled to the slot 20a by gradually changing the direction of the electric field generated between them.
- the protective member 50 straddles the slot 20a, the high frequency component 30, and the conductive wire 40.
- the protective member 50 covers at least the upper part of the slot 20a, the high-frequency component 30, and the conductive wire 40.
- the protection member 50 protects at least the upper part of the slot 20a, the high-frequency component 30, and the conductive wire 40.
- “protection” refers to mechanical protection. By this protection, for example, disconnection due to the external force of the conducting wire 40 is reduced.
- the protective member 50 is indicated by a dotted line in the drawing, and is shown through the slot 20a, the high-frequency component 30, and the conductive wire 40.
- the protective member 50 is not limited to the one that seals the slot 20a, the high-frequency component 30, and the conductive wire 40.
- the protective member 50 may not have a part of the side surface, may have a through hole on the upper surface, or may support the top plate with a plurality of support columns. Moreover, what was coat
- the high-frequency module 10 of this embodiment includes a high-frequency component 30 including a high-frequency circuit, a conductor plate 21 as a conductor, a first conductor 41, and two second conductors 42 and 43.
- the high-frequency component 30 has a signal terminal 31 and two reference potential terminals 32.
- the signal terminal 31 is used for at least one of input and output of a high-frequency signal.
- the two reference potential terminals 32 are connected to the reference potential.
- the conductor plate 21 has a slot 20a.
- the first conducting wire 41 is electrically connected to the signal terminal 31.
- the first conductor 41 extends across the slot 20a.
- the two second conductive wires 42 and 43 are electrically connected to the two reference potential terminals 32.
- the two second conductive wires 42 and 43 are arranged along the first conductive wire 41.
- the two second conductive wires 42 and 43 are provided so as not to cross over the slot 20a.
- the first conducting wire 41 and the two second conducting wires 42 and 43 form a pair and are electromagnetically coupled to the slot 20a.
- the planar conductor includes the second end 41a on the slot 20a side of the first conductor 41 and the second ends 42a and 43a on the slot 20a side of the second conductors 42 and 43.
- Line segments H 12 and H 13 connecting the end portions cross the slot 20a.
- the length of the first conducting wire 41 can be increased to reduce the frequency that is best coupled to the slot 20a.
- the length of the first conductor 41 can be shortened to increase the frequency at which it is best coupled to the slot 20a.
- the frequency that is best coupled to the slot 20a can be adjusted, and therefore, the design can be made in consideration of the mounting deviation of the high-frequency component 30 and the size or position deviation of the slot 20a.
- a transmission line having a pair of the first conducting wire 41 and the second conducting wires 42 and 43 is formed, so that the conducting wire 40 can be lengthened. Therefore, in the high frequency module 10, the high frequency component 30 can be placed on the slot structure 20.
- This high-frequency module 10 is suitable when a thick high-frequency component 30 is employed.
- the high frequency component 30 is placed on the slot structure 20.
- the dimensional accuracy of the slot structure 20 can be improved as compared with the case where a cavity is provided in the slot structure 20.
- electrical elements can be efficiently formed in the slot structure 20.
- the high-frequency circuit of the high-frequency component 30 and the slot 20a are electromagnetically coupled via the conductive wire 40. Therefore, the loss can be reduced as compared with the case where the high-frequency circuit and the signal line such as the microstrip line are once connected while matching the impedance and the signal line and the slot are electromagnetically coupled. Further, in the high-frequency module 10, it is possible to reduce the length by transmitting a high-frequency signal and to reduce the size.
- the high-frequency circuit of the high-frequency component 30 and the slot 20a are electromagnetically coupled. Therefore, the high-frequency signal transmitted through the high-frequency circuit of the high-frequency component 30 and the high-frequency signal passing through the slot 20a.
- the DC component can be blocked between the two.
- This high frequency module 10 is suitable for a high frequency circuit having a diode.
- the high frequency circuit of the high frequency component 30 and the slot 20a are electromagnetically coupled, so the second end portion 41a of the first conductive wire 41 and the second end portions of the second conductive wires 42 and 43 are combined.
- the high-frequency module 10 can tolerate manufacturing variations such as, for example, a positional shift of the high-frequency component 30 having a high-frequency circuit, a positional shift of the slot 20a, and a dimensional shift of the slot 20a.
- the high frequency module 10A according to the second embodiment shown in FIGS. 4 and 5 is different from the high frequency module 10 in that the slot structure 20A is provided.
- the high-frequency module 10 of the first embodiment Only differences from the high-frequency module 10 of the first embodiment will be described. Further, description of elements having the same configuration in the high frequency module 10A and the high frequency module 10 is omitted. In the description of the present specification, capital letters of the alphabet mean other embodiments or modifications.
- the slot structure 20 ⁇ / b> A includes a conductor plate 21, a dielectric 22, and a strip conductor 23.
- the dielectric 22 is disposed on the lower surface of the conductor plate 21.
- the strip conductor 23 is disposed on the lower surface of the dielectric 22.
- the conductor plate 21, the dielectric 22, and the strip conductor 23 constitute a microstrip line with the conductor plate 21 as a reference potential.
- the strip conductor 23 is disposed to face the slot 20Aa with the dielectric 22 interposed therebetween.
- the strip conductor 23 extends so as to intersect the first direction of the slot 20Aa.
- the slot 20Aa and the microstrip line are electromagnetically coupled.
- the high frequency circuit of the high frequency component 30 and the microstrip line as the signal line are electromagnetically coupled via the slot 20Aa.
- the impedance of the slot 20 ⁇ / b> Aa is matched with the impedance at the second end 41 a of the first conducting wire 41 and the second ends 42 a and 43 a of the second conducting wires 42 and 43.
- the microstrip line is used as the signal line, but other signal lines may be used.
- Examples of other signal lines include various types such as a coplanar line, a strip line (triplate line), a slot line, an image line, an H guide, and an NRD guide (Non-Radiative Dielectric waveguide).
- the high-frequency circuit of the high-frequency component 30 that transmits a high-frequency signal is electromagnetically coupled to the slot 20Aa by a pair of the first conductive wire 41 and the second conductive wires 42 and 43.
- a microstrip line is electromagnetically coupled to the slot 20Aa.
- the high-frequency signal passing through the slot 20Aa is transmitted to the microstrip line by electromagnetic coupling.
- the first conducting wire 41 and the strip conductor 23 are separated electrically from each other. That is, in this high frequency module 10, the inductance component of the first conductor 41 is separated from the impedance of the microstrip line by transmitting two high frequency circuits via the slot 20Aa.
- the high frequency module 10B according to the third embodiment shown in FIGS. 6 and 7 is different from the high frequency module 10 in that a slot structure 20B is provided.
- a slot structure 20B is provided.
- only differences from the high-frequency module 10 of the first embodiment will be described.
- description of elements having the same configuration in the high-frequency module 10B and the high-frequency module 10 is omitted.
- a waveguide 24 is employed as the slot structure 20B.
- a through hole 24 a is formed in the upper tube wall of the waveguide 24.
- the through hole 24a of the waveguide 24 functions as the slot 20Ba.
- a high frequency signal propagates to the waveguide 24 through the slot 20Ba.
- the high frequency circuit and the waveguide 24 are electromagnetically coupled via the slot 20Ba.
- the impedance of the slot 20 ⁇ / b> Aa is matched with the impedance at the second end 41 a of the first conducting wire 41 and the second ends 42 a and 43 a of the second conducting wires 42 and 43.
- the tube wall on the upper side of the waveguide 24 functions as a conductor having a surface spread.
- the waveguide 24 illustrated in the present embodiment has a hollow inside of the tube wall, but may be filled with a dielectric. Further, the through hole 24a of the waveguide 24 may be formed on any of the E surface, the H surface, and the end surface, and can be coupled if the direction of the slot 20Ba is appropriately selected on any surface.
- the high-frequency circuit of the high-frequency component 30 that transmits a high-frequency signal is electromagnetically coupled to the slot 20Ba in pairs formed by the first conductive wire 41 and the second conductive wires 42 and 43.
- the high frequency signal passing through the slot 20Ba propagates through the waveguide 24. Therefore, the high frequency module 10B can efficiently transmit a high frequency signal.
- the high frequency module 10 ⁇ / b> C according to the fourth embodiment shown in FIGS. 8 and 9 is different from the high frequency module 10 in that the second slot structure 60 is provided.
- the high-frequency module 10 of the first embodiment only differences from the high-frequency module 10 of the first embodiment will be described.
- description of elements having the same configuration in the high-frequency module 10C and the high-frequency module 10 is omitted.
- the second slot structure 60 shown in FIGS. 8 to 12 includes a laminate 61, a slot conductor 62, an upper conductor layer 63, a lower conductor layer 64, an intermediate conductor layer 65, and a first through conductor group. 66, a second through conductor group 67, and a third through conductor group 68.
- the upper conductor layer 63, the lower conductor layer 64, the intermediate conductor layer 65, the first through conductor group 66, and the second through conductor group 67 function as the laminated waveguide 60a.
- the laminated body 61 is configured by laminating a plurality of dielectric layers 611.
- the laminated body 61 of this embodiment is configured by laminating five dielectric layers 611.
- this laminated body 61 is abbreviate
- the slot conductor 62 is formed on the upper surface of the multilayer body 61.
- the slot conductor 62 has a through hole 62a.
- the through hole 62a functions as a slot 60b that is electromagnetically coupled to the conducting wire 40.
- the slot 60b corresponds to the slot 20a.
- the upper conductor layer 63 functions as an upper tube wall of the laminated waveguide 60a.
- the upper conductor layer 63 is formed on the second dielectric layer 611 from the top.
- the upper conductor layer 63 extends in a direction in which a high-frequency signal propagating through the laminated waveguide 60a is propagated.
- the upper conductor layer 63 is disposed to face the through hole 62 a of the slot conductor 62.
- the upper conductor layer 63 has a through hole 63a in a region facing the through hole 62a.
- the through hole 63a functions as a slot 60c of the laminated waveguide 60a. That is, the slot 60b and the slot 60c are disposed to face each other.
- the lower conductor layer 64 functions as a lower tube wall of the laminated waveguide 60a.
- the lower conductor layer 64 is located below the upper conductor layer 63.
- the lower conductor layer 64 is disposed to face the upper conductor layer 63.
- the lower conductor layer 64 is formed on the lowermost dielectric layer 611.
- the lower conductor layer 64 extends in a direction in which a high-frequency signal propagating through the laminated waveguide 60a is propagated.
- the intermediate conductor layer 65 functions as a part of the side wall of the laminated waveguide 60a.
- the intermediate conductor layer 65 is located between the dielectric layer 611 located between the upper conductor layer 63 and the lower conductor layer 64. In the present embodiment, two intermediate conductor layers 65 are formed.
- the intermediate conductor layer 65 may be omitted.
- the first through conductor group 66 functions as a side wall of the laminated waveguide 60a. Individual through conductors constituting the first through conductor group 66 are formed in a through hole 611 a formed in the dielectric layer 611. The first through conductor group 66 is electrically connected to the upper conductor layer 63 and the lower conductor layer 64. In addition, the first through conductor group 66 of the present embodiment is electrically connected to the intermediate conductor layer 65. The individual through conductors constituting the first through conductor group 66 are arranged on both sides along the propagation direction of the high-frequency signal so that the interval is less than 1 ⁇ 2 of the wavelength of the high-frequency signal to be propagated.
- the “high-frequency signal to be propagated” refers to a high-frequency wave propagating through the multilayer body 61 provided in a region surrounded by the upper conductor layer 63, the lower conductor layer 64, the intermediate conductor layer 65, and the first through conductor group 66. A signal.
- the upper conductor layer 63, the lower conductor layer 64, the intermediate conductor layer 65, and the first through conductor group 66 serve as the tube wall of the multilayer waveguide 60a. It is functioning.
- a region surrounded by the upper conductor layer 63, the lower conductor layer 64, and the first through conductor group 66 functions as a high-frequency signal waveguide region.
- the laminated waveguide 60 a is disposed so as to face the through hole 62 a of the slot conductor 62.
- the second through conductor group 67 functions as a termination conductor wall that terminates one side of the multilayer waveguide 60a.
- Individual through conductors constituting the first through conductor group 66 are formed in a through hole 611 a formed in the dielectric layer 611.
- the first through conductor group 66 is electrically connected to the upper conductor layer 63 and the lower conductor layer 64.
- the first through conductor group 66 of the present embodiment is electrically connected to the intermediate conductor layer 65.
- the individual through conductors constituting the second through conductor group 67 are arranged along the direction orthogonal to the propagation direction of the high-frequency signal so that the interval is less than 1 ⁇ 2 of the wavelength of the high-frequency signal to be propagated. Yes.
- the third through conductor group 68 has a function of coupling the slot 60b and the slot 60c.
- the individual through conductors constituting the third through conductor group 68 are arranged around the through hole 62 a of the slot conductor 62.
- the individual through conductors constituting the third through conductor group 68 are arranged around the through hole 63 a of the upper conductor layer 63.
- the third through conductor group 68 electrically connects the slot conductor 62 and the upper conductor layer 64. Since the slot conductor 62 and the upper conductor layer 64 are electrically connected in this way, the second slot structure 60 transmits a high-frequency signal between the slot conductor 62 and the upper conductor layer 64. Can be propagated.
- the high-frequency module 10D according to the fifth embodiment shown in FIGS. 13 and 14 is different from the high-frequency module 10C in that it includes a second slot structure 60D.
- the high-frequency module 10C of the first embodiment only differences from the high-frequency module 10C of the first embodiment will be described.
- description of elements having the same configuration in the high-frequency module 10D and the high-frequency module 10C is omitted.
- a second slot structure 60D shown in FIGS. 13 to 18 includes a laminate 61, an upper conductor layer 63D, a lower conductor layer 64D, an intermediate conductor layer 65D, a first through conductor group 66, a second A through conductor group 67 and a third through conductor group 68D are provided.
- the upper conductor layer 63D, the lower conductor layer 64D, the intermediate conductor layer 65D, the first through conductor group 66, the second through conductor group 67, and the third through conductor group 68D are used as the laminated waveguide 60Da. It is functioning.
- this laminated body 61 is abbreviate
- the upper conductor layer 63D functions as the upper tube wall of the multilayer waveguide 60Da.
- the upper conductor layer 63D of this embodiment includes a first upper conductor layer 631 and a second upper conductor layer 632.
- the first upper conductor layer 631 is provided on the upper surface of the multilayer body 61.
- the first upper conductor layer 631 is provided so as to extend in a direction in which a high-frequency signal propagated through the laminated waveguide 60Da is propagated.
- the first upper conductor layer 631 has a through hole 631a.
- the through hole 631a functions as a slot 60Db that is electromagnetically coupled to the conducting wire 40.
- the through hole 631a functions as a slot 60Db of the laminated waveguide 60Da.
- the slot 60Db corresponds to the slot 20a.
- the second upper conductor layer 632 is disposed below the first upper conductor layer 631. A portion of the second upper conductor layer 632 is disposed to face the first upper conductor layer 631. In the present embodiment, the second upper conductor layer 632 is formed on the second dielectric layer 611 from the top. The second upper conductor layer 632 extends in a direction in which a high-frequency signal propagated through the multilayer waveguide 60Da is propagated.
- the lower conductor layer 64D functions as a lower tube wall of the laminated waveguide 60Da.
- the lower conductor layer 64D is disposed below the upper conductor layer 63D.
- the lower conductor layer 64D of the present embodiment includes a first lower conductor layer 641 and a second lower conductor layer 642.
- the first lower conductor layer 641 is disposed to face the first upper conductor layer 631. A portion of the first lower conductor layer 641 is disposed to face the second upper conductor layer 632. In the present embodiment, the first lower conductor layer 642 is formed on the dielectric layer 611 located second from the bottom. The first lower conductor layer 641 extends in a direction in which a high-frequency signal propagated through the laminated waveguide 60Da is propagated.
- the second lower conductor layer 642 is disposed below the first lower conductor layer 641. A part of the second lower conductor layer 642 is disposed to face the first lower conductor layer 641. The second lower conductor layer 642 is disposed to face the second upper conductor layer 632. In the present embodiment, the second lower conductor layer 642 is formed on the lowermost dielectric layer 611. The second lower conductor layer 642 extends in a direction in which a high-frequency signal propagated through the laminated waveguide 60Da is propagated.
- the intermediate conductor layer 65D functions as a part of the side wall of the multilayer waveguide 60Da.
- the intermediate conductor layer 65D is formed between the dielectric layer 611 located between the upper conductor layer 63D and the lower conductor layer 64D.
- two intermediate conductor layers are provided between the first upper conductor layer 631 and the first lower conductor layer 641 and between the second upper conductor layer 632 and the second lower conductor layer 642, respectively.
- 65D is provided.
- a part of the intermediate conductor layer 65D of this embodiment is provided integrally with the second upper conductor layer 632 or the first lower conductor layer 641.
- the intermediate conductor layer 65D may be omitted.
- Multilayer waveguide 60 Da of the present embodiment includes a first waveguide 60 Da 1, and a second waveguide 60 Da 2 are connected.
- the first waveguide 60 Da 1 has a first upper conductor layer 631, the first lower conductor layer 641, and the intermediate conductor layer 65D, and the first through conductor group 66 and the tube wall.
- the first waveguide 60 Da 1, the area surrounded by these tubes wall functions as a waveguide region of the high-frequency signal.
- the second waveguide 60 Da 2 includes a second upper conductor layer 632, the second lower conductor layer 642, and the intermediate conductor layer 65D, and the first through conductor group 66 and the tube wall.
- the second waveguide 60 Da 2 the area surrounded by these tubes wall functions as a waveguide region of the high-frequency signal.
- the third through conductor group 68D electrically connects the first upper conductor layer 631 and the second upper conductor layer 632, and the first lower conductor layer 641 and the second lower conductor layer 642.
- the third through conductor group 68D plays the first waveguide 60 Da 1, a function of connecting the second waveguide 60 Da 2.
- the high-frequency module includes a module that performs communication and transmission using a high-frequency signal.
- “communication” includes at least one function of signal transmission, reception, and transmission / reception.
- an antenna is included in a high-frequency module that performs communication using a high-frequency signal.
- the first conductor 41 and the second conductors 42 and 43 are in contact with the slot structure 20, but the present invention is not limited to this configuration.
- the slot 20a and the first conducting wire 41 may be electrically connected without being brought into contact with each other.
- the tip of the first conducting wire 41 is not in contact with the slot structure 20 or is separated to the extent that it cannot be regarded as being in contact, the tip can be regarded as an open end. Therefore, it is desirable that the length of the first conducting wire 41 is about (2n ⁇ 1) / 4 of the signal wavelength. This “n” is a natural number.
- the other end 41a of the first conducting wire 41 When the other end 41a of the first conducting wire 41 is suspended in the air, for example, the first end of the first conducting wire 41 is connected to the signal terminal 31 and then the second end 41a of the first conducting wire 41 is connected.
- the other end 41a of the first conducting wire 41 By adjusting the state of the place and the setting of the wire bonder, it is possible to prevent the other end 41a of the first conducting wire 41 from being connected.
- the other end 41a of the first conductor 41 can be suspended in the air by the elasticity of the first conductor 41.
- the shape of the 1st conducting wire 41 can be stabilized by fixing the 1st conducting wire 41 and the circumference
- the first conductive wire 41 straddles the slot 20a and is connected to the central portion of the slot 20a.
- the first conductive wire 41 may be connected to a portion other than the central portion of the slot 20a.
- the second conductive wire of this embodiment has two wires as 42 and 43, but may be one wire or three or more wires.
- the lead wires 40 of the present embodiment are individually configured as separate bodies, but are not limited to such a configuration.
- a flexible wiring board 45 as shown in FIG.
- a first conductive wire 46 and second conductive wires 47 and 48 are formed on a flexible base body 45.
- the lead wires 40 of the present embodiment are individually configured as separate bodies, but are not limited to such a configuration.
- a high frequency component 30F in which a conducting wire is integrally formed may be employed.
- the signal terminal and the first conductor 33 are integrally formed, and the reference signal terminal and the second conductors 34 and 35 are integrally formed.
- the second end portion 41a of the first conducting wire 41 of the present embodiment extends along the z direction.
- the first conductor 41 can gradually change the polarization direction of the electromagnetic wave coupled to the slot 20a between the signal terminal 31 and the slot 20a by extending the second end 41a along the z direction. it can.
- the configuration in which the second end portion 41a of the first conducting wire 41 extends along the z direction is, for example, using a bonding wire as the first conducting wire 41 and performing the first bonding of the bonding wire on the slot 20a side. Is possible.
- the first conductive wire 41 and the second conductive wires 42 and 43 of this embodiment may be covered with a resin material or the like.
- the first conducting wire 41 and the second conducting wires 42 and 43 may be coated integrally or individually.
- the conducting wire 40 and the slot 20a may be integrally covered. In the high-frequency module 10, even when the impedance due to the dielectric constant of the resin material changes, the impedance can be adjusted by changing the length of the slot 20a along the second direction.
- the example in which the high-frequency component 30 incorporating the high-frequency circuit is provided on the slot structure 20 is shown.
- the high-frequency component 30 is not provided on the slot structure 20 and may be disposed on another mounting board.
- the illustrated mounting substrate 70 uses two substrates, a first substrate 71 and a second substrate 72.
- the second substrate 72 may be omitted or may be integrally formed.
- the conductor plate 21 is provided on the entire top surface of the dielectric 22.
- the high frequency component 30 may be disposed on a region where the conductor plate 21 is not provided.
- the conductor having a surface spread described as the conductor plate 21 in the present embodiment may be a conductor.
- the conductor may be a metal plate, a conductive resin, or a film-like conductor formed on a dielectric.
- a film-like conductor formed on a dielectric is employed as the conductor having a surface spread, the length of the slot 20a can be reduced by the dielectric constant of the dielectric.
- the slot 20a can be coupled to another high-frequency line.
- the slot does not have to be formed on the surface connecting the first conductive wire 41.
- a dielectric may be provided on the conductor plate 21, and a through conductor may be provided in the dielectric layer to connect to the conductor 41. Further, when the dielectric is thin, it can be electromagnetically coupled to the slot even when the conductor 41 is not in contact with the conductor plate 21.
- the strip line 24 is opposed to the slot 20Aa via the dielectric 22, but the present invention is not limited to this.
- the patch electrode 25 may be opposed to the slot 20Ja.
- the antenna can be configured by making the patch electrode 25 face the slot 20Ja through the dielectric 22.
- the patch electrode 25 can be formed of various conductors.
- the high frequency circuit and the microstrip line are connected via one slot 20Aa, but the present invention is not limited to this.
- a slot in which two slots are connected by a through conductor group, such as the slot 60b and the slot 60c, may be used instead of the slot 20Aa.
- Example 1 In the high-frequency module 10 of the first embodiment shown in FIGS. 1, 2, and 3, the electrical characteristics when the slot functions as an antenna were calculated by simulation based on electromagnetic field analysis.
- simulation was performed using electromagnetic field numerical analysis software (manufactured by Ansoft USA, HFSS).
- Example 2 and 3 and Comparative example 1 and 2 performed simulation similarly.
- the thickness of the high-frequency component 30 was 385 [ ⁇ m].
- the interval between the signal terminal 31 and the reference potential terminal 32 was 100 [ ⁇ m].
- the distance between the center of the signal terminal 31 and the center of the slot 20a was 2.05 [mm].
- the size of the slot 20a was set to 2.6 [mm] ⁇ 0.2 [mm].
- the cross-sectional size of the first conducting wire 41 and the second conducting wires 42 and 43 was ⁇ 25 [ ⁇ m].
- the height in the z direction of the first conducting wire 41 and the second conducting wires 42 and 43 from the signal terminal 31 or the reference potential terminal 32 was set to 80 [ ⁇ m].
- the connection of the first conductor 41 to the conductor plate 21 was set at a position 0.21 [mm] away from the center of the slot 20a.
- the connection of the second conductors 42 and 43 to the conductor plate 21 is (43 [ ⁇ m], ⁇ 140 [ ⁇ m]) and ( ⁇ 43 [ ⁇ m]), ⁇ (x, y) from the center of the slot 20a, respectively. 140 [ ⁇ m]).
- the thickness of the conductor plate 21 was 100 [ ⁇ m].
- the impedance of the input port composed of the signal terminal 31 and the reference potential terminal 32 was set to 50 [ ⁇ ], and the reflection characteristic was calculated as the electric characteristic.
- As the reflection characteristic s 11 of an operation transmission matrix, so-called S matrix (Scattering Matrix), is adopted. The reason why this S matrix is adopted is as follows. Since the slot 20a is an annular conductor, the potential difference cannot be defined in the slot 20a. Therefore, impedance matching was evaluated by evaluating the reflection characteristics that are the result of impedance matching.
- FIG. 26 is a graph showing a simulation result under the above conditions.
- the horizontal axis represents frequency
- the vertical axis represents the amount of reflection.
- a reflection characteristic of ⁇ 15 [dB] or less is shown in the vicinity of 77 [GHz]
- a frequency band having a reflection amount of ⁇ 10 [dB] or less shows a wideband characteristic of about 8 [GHz]. Show. That is, impedance matching is achieved in a wide wavelength range.
- Example 2 The electrical characteristics of the high-frequency module 10A of the second embodiment shown in FIGS. 4 and 5 were calculated by simulation based on electromagnetic field analysis.
- the thickness of the high-frequency component 30 was 385 [ ⁇ m].
- the interval between the signal terminal 31 and the reference potential terminal 32 was 100 [ ⁇ m].
- the distance between the center of the signal terminal 31 and the center of the slot 20Aa was 1.62 [mm].
- the size of the slot 20Aa was 1 [mm] ⁇ 0.16 [mm].
- the cross-sectional size of the first conducting wire 41 and the second conducting wires 42 and 43 was ⁇ 25 [ ⁇ m].
- the height in the z direction of the first conducting wire 41 and the second conducting wires 42 and 43 from the signal terminal 31 or the reference potential terminal 32 was set to 80 [ ⁇ m].
- the connection of the first conductor 41 to the conductor plate 21 was set at a position 0.58 [mm] away from the center of the slot 20a.
- the connection of the second conductors 42 and 43 to the conductor plate 21 is (55 [ ⁇ m], ⁇ 120 [ ⁇ m]) and ( ⁇ 55 [ ⁇ m]), where the displacement vector from the center of the slot 20a is (x, y), respectively. ⁇ 120 [ ⁇ m]).
- the thickness of the conductor plate 21 was 18 [ ⁇ m], and the relative dielectric constant of the dielectric 22 forming the microstrip line was 9.87.
- the thickness of the dielectric 22 was 150 [ ⁇ m].
- the width of the strip conductor 23 was 120 [ ⁇ m].
- the length of the stub of the strip conductor 23 was 375 [ ⁇ m] from the center of the slot 20a.
- the impedance of the input port composed of the signal terminal 31 and the reference potential terminal 32 was set to 50 [ ⁇ ].
- transmission characteristics and reflection characteristics were calculated.
- FIG. 27 is a graph showing a simulation result under the above conditions.
- the horizontal axis represents frequency
- the vertical axis represents the amount of reflection.
- a reflection characteristic of about ⁇ 15 [dB] is shown in the vicinity of 75 [GHz]
- a frequency band having a reflection amount of ⁇ 10 [dB] or less has a wide band characteristic of about 9 [GHz].
- the transmission characteristics also show good values. In other words, this means that impedance matching is achieved in this wide wavelength range.
- Example 3 The electrical characteristics of the high-frequency module 10B of the third embodiment shown in FIGS. 6 and 7 were calculated by simulation based on electromagnetic field analysis.
- the height from the conductor plate 21 of the high frequency signal component 30 from the upper surface of the waveguide 24 was set to 385 [ ⁇ m].
- the interval between the signal terminal 31 and the reference potential terminal 32 was 100 [ ⁇ m].
- the distance between the center of the signal terminal 31 and the center of the slot 20Ba was 1.77 [mm].
- the size of the slot 20Ba was 1 [mm] ⁇ 0.16 [ ⁇ m].
- the cross-sectional size of the first conducting wire 41 and the second conducting wires 42 and 43 was set to ⁇ 25 [ ⁇ m].
- the height in the z direction of the first conducting wire 41 and the second conducting wires 42 and 43 from the signal terminal 31 or the reference potential terminal 32 was set to 80 [ ⁇ m].
- the connection of the first conductor 41 to the conductor plate 21 was set at a position 230 [ ⁇ m] away from the center of the slot 20Ba.
- the connection of the second conductors 42 and 43 to the conductor plate 21 is (50 [ ⁇ m], ⁇ 110 [ ⁇ m]) and ( ⁇ 50 [ ⁇ m]) with the displacement vector from the center of the slot 20Ba as (x, y), respectively. ⁇ 110 [ ⁇ m]).
- the thickness of the conductor plate 21 was 10 [ ⁇ m].
- the width of the waveguide 24 filled with a dielectric was 1.15 [mm].
- the thickness of the waveguide 24 was 0.45 [mm].
- the relative dielectric constant of the dielectric was 9.4.
- the distance from the center of the slot 20a to the short end of the waveguide 24 was set to 0.7 [mm].
- the impedance of the input port 2 including the signal terminal 31 and the reference potential terminal 32 was set to 50 [ ⁇ ].
- transmission characteristics and reflection characteristics were calculated.
- FIG. 28 is a graph showing a simulation result under the above conditions.
- the horizontal axis represents frequency
- the vertical axis represents the amount of reflection.
- a reflection characteristic of ⁇ 20 [dB] or less is shown in the vicinity of 77 [GHz]
- a frequency band having a reflection amount of ⁇ 10 [dB] or less shows a wideband characteristic of about 10 [GHz].
- the transmission characteristics also show good values. That is, impedance matching is achieved in a wide wavelength range.
- Comparative Example 1 As Comparative Example 1, in the third embodiment shown in FIGS. 6 and 7, the electrical characteristics in the absence of the second conductors 42 and 43 were calculated by simulation based on electromagnetic field analysis.
- the calculation conditions are the same as those in Example 3 except that the second conductors 43 and 44 are not provided.
- FIG. 29 is a graph showing a simulation result under the above conditions.
- the horizontal axis represents frequency
- the vertical axis represents the amount of reflection.
- the reflection characteristic is ⁇ 10 [dB] or less near 79 [GHz], but the transmission characteristic is less than ⁇ 4 [dB]. This indicates leakage of electromagnetic waves due to the absence of the second conductors 42 and 43, and the effectiveness of Example 3 having the second conductors 42 and 43 could be confirmed.
- the calculation conditions are the same as those in Example 3 except that the second conductors 42 and 43 straddle the slot 20a and have the same length as the first conductor 41.
- FIG. 30 is a graph showing a simulation result under the above conditions.
- the horizontal axis represents frequency
- the vertical axis represents the amount of reflection.
- the reflection characteristics of S11 and S22 increase and the transmission characteristics deteriorate.
- the second conductors 42 and 43 are arranged in front of the slot 20a, and a virtual line connecting the other end of the second conductors 42 and 43 and the other end of the first conductor 41 intersects the slot 20a.
- Dielectric layer 62 Slot conductor layer 63 ... Upper side Conductor layer 63a ... through hole 31 ... First upper conductor layer 632 ... Second upper conductor layer 64 ... Lower conductor layer 641 ... First lower conductor layer 642 ... Second lower conductor layer 65 ... Intermediate conductor layer 66 ... 1st through conductor group 67 ... 2nd through conductor group 68 ... 3rd through conductor group 70 ... Mounting board 71 ... 1st board 72 ... 2nd board
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Abstract
Description
図1,2,3に示した第1の実施形態に係る高周波モジュール10は、スロット構造体20、高周波部品30、導線40、および保護部材50を備えている。
図4,5に示した第2の実施形態に係る高周波モジュール10Aは、スロット構造体20Aを備えている点において高周波モジュール10と異なっている。なお、本実施形態においては、第1の実施形態の高周波モジュール10と異なる点のみについて説明する。また、高周波モジュール10Aと、高周波モジュール10とで同じ構成である要素については、説明を省略している。本明細書の記載において、アルファベットの大文字は、他の実施形態または変形例を意味している。
図6,7に示した第3の実施形態に係る高周波モジュール10Bは、スロット構造体20Bを備えている点において高周波モジュール10と異なっている。なお、本実施形態においては、第1の実施形態の高周波モジュール10と異なる点のみについて説明する。また、高周波モジュール10Bと、高周波モジュール10とで同じ構成である要素については、説明を省略している。
図8,9示した第4の実施形態に係る高周波モジュール10Cは、第2のスロット構造体60を備えている点において高周波モジュール10と異なっている。なお、本実施形態においては、第1の実施形態の高周波モジュール10と異なる点のみについて説明する。また、高周波モジュール10Cと、高周波モジュール10とで同じ構成である要素については、説明を省略している。
図13,14示した第5の実施形態に係る高周波モジュール10Dは、第2のスロット構造体60Dを備えている点において高周波モジュール10Cと異なっている。なお、本実施形態においては、第1の実施形態の高周波モジュール10Cと異なる点のみについて説明する。また、高周波モジュール10Dと、高周波モジュール10Cとで同じ構成である要素については、説明を省略している。
本発明は前述した実施形態に限定されるものではない。本発明の要旨を逸脱しない範囲においては、種々の変更、改良が可能である。なお、本変形例では、第1の実施形態を例に挙げて記載しているが、適用可能であれば第2~5の実施形態に適用してもよい。また、各変形例を互いに組み合わせてもよい。
図1,2,3に示した第1の実施形態の高周波モジュール10において、スロットをアンテナとして機能させた場合の電気特性を電磁場解析によるシミュレーションによって算出した。本実施例1では、電磁界数値解析ソフトウエア(米国Ansoft製、HFSS)を用いてシミュレーションを行った。なお、実施例2,3、および比較例1,2も同様にしてシミュレーションを行った。
図4,5に示した第2の実施形態の高周波モジュール10Aの電気特性を電磁場解析によるシミュレーションによって算出した。
図6,7に示した第3の実施形態の高周波モジュール10Bの電気特性を電磁場解析によるシミュレーションによって算出した。
比較例1として、図6,7に示した第3の実施形態において、第2導線42,43がない場合の電気特性を電磁場解析によるシミュレーションによって算出した。
第2の比較例として、図6,7に示した第3の実施形態において、第2導線42,43が、スロット20aを跨いだ場合の電気特性を電磁場解析によるシミュレーションによって算出した。
20・・・スロット構造体
20a・・・スロット
21・・・導体板
21a・・・貫通孔
22・・・誘電体
23・・・ストリップ導体
24・・・導波管
25・・・パッチ電極
30・・・高周波部品
31・・・信号端子
32・・・基準電位端子
33・・・信号リードフレーム
34・・・基準電位リードフレーム
40・・・導線
41・・・第1導線
41a・・・第1導線41の他方端
42,43・・・第2導線
42a,43a・・・第2導線の他方端
45・・・基体
46・・・第1導線
47,48・・・第2導線
50・・・保護部材
60・・・第2のスロット構造体
60a・・・スロット
61・・・積層体
611・・・誘電体層
62・・・スロット導体層
63・・・上側導体層
63a・・・貫通孔
631・・・第1上側導体層
632・・・第2上側導体層
64・・・下側導体層
641・・・第1下側導体層
642・・・第2下側導体層
65・・・中間導体層
66・・・第1貫通導体群
67・・・第2貫通導体群
68・・・第3貫通導体群
70・・・実装基板
71・・・第1基板
72・・・第2基板
Claims (13)
- 高周波信号の入力および出力の少なくとも一方に用いる信号端子、ならびに、基準電位に接続される少なくとも1つの基準電位端子を有する高周波回路と、
スロットを有する導体と、
前記信号端子に接続され、且つ、一部が前記スロットの上方を横切っている第1導線と、
前記基準電位端子に接続され、少なくとも一部が前記第1導線41に沿って配置され、且つ、前記スロットの上方を横切らないように設けられる第2導線と、を備えており、
前記第1導線と前記第2導線とが対をなして、前記スロットと電磁的に結合している、高周波モジュール。 - 前記第1導線は、前記導体に電気的に接続している第1接続部を有し、
前記少なくとも1つの第2導線は、前記導体に接続している第2接続部を有する、請求項1に記載の高周波モジュール。 - 平面視において、前記第1接続部と、前記第2接続部とを結ぶ線分は、前記スロットを横切る、請求項1または2に記載の高周波モジュール。
- 前記第2接続部は、前記導体のうち前記スロットの長手方向の両端よりも内側の領域に位置する、請求項2または3に記載の高周波モジュール。
- 前記スロットのインピーダンスは、前記第1接続部および前記第2接続部の対のインピーダンスと整合している、請求項2から4のいずれかに記載の高周波モジュール。
- 前記第1導線および前記第2導線はそれぞれ、前記導体に接触している、請求項1から5のいずれかに記載の高周波モジュール。
- 前記第1導線は、前記スロットの電界方向に沿って、前記スロットを横切る、請求項1から6のいずれかに記載の高周波モジュール。
- 前記少なくとも1つの基準電位端子は、前記信号端子に隣り合って配置されており、
平面視において、前記少なくとも1つの第2導線は、前記第1導線に沿って延びている、請求項1から7のいずれかに記載の高周波モジュール。 - 前記少なくとも1つの基準電位端子は、両者の間に前記信号端子が位置する、2つの基準電位端子を有し、
前記少なくとも1つの第2導線は、それぞれが前記2つの基準電位端子のそれぞれに接続された、2つの第2導線を有する、請求項8に記載の高周波モジュール。 - 前記2つの第2導線の間隔は、前記スロットに近づくにつれて狭くなる、請求項9に記載の高周波モジュール。
- 前記信号端子、前記少なくとも1つの基準信号端子、前記スロット、前記第1導線、および前記少なくとも1つの第2導線のそれぞれの少なくとも上方を覆う保護部材、をさらに備える、請求項1から10のいずれかに記載の高周波モジュール。
- 前記高周波回路を、前記スロットを介して、前記高周波信号を伝送する信号線路に接続する、請求項1から11のいずれかに記載の高周波モジュール。
- 前記高周波回路を、前記スロットを介して、導波管に電磁的に結合する、請求項1から11のいずれかに記載の高周波モジュール。
Priority Applications (4)
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JP2010529965A JP5047362B2 (ja) | 2009-02-25 | 2010-02-25 | 高周波モジュール |
CN201080007077.1A CN102308435B (zh) | 2009-02-25 | 2010-02-25 | 高频模块 |
US13/201,836 US8854152B2 (en) | 2009-02-25 | 2010-02-25 | High-frequency module including a conductor with a slot therein and a conductive wire crossing over the slot and physically contacting the conductor |
DE112010000886.8T DE112010000886B4 (de) | 2009-02-25 | 2010-02-25 | Hochfrequenzmodul |
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JP2009-042002 | 2009-02-25 | ||
JP2009042002 | 2009-02-25 | ||
JP2009218509 | 2009-09-24 | ||
JP2009-218509 | 2009-09-24 |
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WO2010098393A1 true WO2010098393A1 (ja) | 2010-09-02 |
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PCT/JP2010/052984 WO2010098393A1 (ja) | 2009-02-25 | 2010-02-25 | 高周波モジュール |
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US (1) | US8854152B2 (ja) |
JP (1) | JP5047362B2 (ja) |
CN (1) | CN102308435B (ja) |
DE (1) | DE112010000886B4 (ja) |
WO (1) | WO2010098393A1 (ja) |
Cited By (6)
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JP2010258744A (ja) * | 2009-04-24 | 2010-11-11 | Kyocera Corp | 高周波回路と高周波線路との接続構造 |
JP2011114595A (ja) * | 2009-11-27 | 2011-06-09 | Kyocera Corp | 高周波回路と方形導波管型高周波線路との接続構造 |
WO2014196143A1 (ja) * | 2013-06-04 | 2014-12-11 | パナソニックIpマネジメント株式会社 | 無線モジュール |
WO2018221403A1 (ja) * | 2017-05-30 | 2018-12-06 | 日立金属株式会社 | 平面アレイアンテナおよび無線通信モジュール |
JP2019106663A (ja) * | 2017-12-14 | 2019-06-27 | 日本電信電話株式会社 | 高周波回路 |
WO2021193805A1 (ja) * | 2020-03-27 | 2021-09-30 | Agc株式会社 | フレキシブル基板付き導波管 |
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JPWO2012046548A1 (ja) * | 2010-10-08 | 2014-02-24 | 日本電気株式会社 | サーフェイス通信装置 |
JP6104672B2 (ja) | 2013-03-29 | 2017-03-29 | モレックス エルエルシー | 高周波伝送装置 |
CN104767103B (zh) | 2015-03-30 | 2017-12-19 | 青岛海信宽带多媒体技术有限公司 | 一种激光器用连接结构及激光器组件 |
CN104836619B (zh) | 2015-03-30 | 2017-08-29 | 青岛海信宽带多媒体技术有限公司 | 一种光器件 |
JP2019047141A (ja) | 2016-03-29 | 2019-03-22 | 日本電産エレシス株式会社 | マイクロ波ic導波路装置モジュール、レーダ装置およびレーダシステム |
US11183751B2 (en) * | 2017-09-20 | 2021-11-23 | Aptiv Technologies Limited | Antenna device with direct differential input useable on an automated vehicle |
WO2021230108A1 (ja) * | 2020-05-14 | 2021-11-18 | 住友電気工業株式会社 | 高周波回路モジュール |
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- 2010-02-25 JP JP2010529965A patent/JP5047362B2/ja not_active Expired - Fee Related
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JP2011114595A (ja) * | 2009-11-27 | 2011-06-09 | Kyocera Corp | 高周波回路と方形導波管型高周波線路との接続構造 |
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Also Published As
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JPWO2010098393A1 (ja) | 2012-09-06 |
DE112010000886T5 (de) | 2012-05-10 |
JP5047362B2 (ja) | 2012-10-10 |
DE112010000886B4 (de) | 2017-06-01 |
US20110298568A1 (en) | 2011-12-08 |
CN102308435B (zh) | 2014-07-30 |
US8854152B2 (en) | 2014-10-07 |
CN102308435A (zh) | 2012-01-04 |
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