WO2017171358A1 - 전자기파 신호 전송을 위한 도파관 - Google Patents
전자기파 신호 전송을 위한 도파관 Download PDFInfo
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- WO2017171358A1 WO2017171358A1 PCT/KR2017/003336 KR2017003336W WO2017171358A1 WO 2017171358 A1 WO2017171358 A1 WO 2017171358A1 KR 2017003336 W KR2017003336 W KR 2017003336W WO 2017171358 A1 WO2017171358 A1 WO 2017171358A1
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- Prior art keywords
- dielectric
- waveguide
- present
- signal
- conductor portion
- Prior art date
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- 239000004020 conductor Substances 0.000 claims description 27
- 239000003989 dielectric material Substances 0.000 claims description 25
- 230000008859 change Effects 0.000 claims description 18
- 230000008054 signal transmission Effects 0.000 claims description 17
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- 238000010586 diagram Methods 0.000 description 11
- 230000004044 response Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
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- 230000005540 biological transmission Effects 0.000 description 5
- 238000005253 cladding Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- -1 polyethylene Polymers 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/16—Dielectric waveguides, i.e. without a longitudinal conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
- H01P5/107—Hollow-waveguide/strip-line transitions
Definitions
- the present invention relates to waveguides for electromagnetic wave signal transmission.
- optical-based interconnects with fast data transmission and reception are introduced and widely used.
- optical-based interconnects are very expensive to install and maintain, thus perfecting conductor-based interconnects.
- E-TUBE is an interconnect that combines the advantages of both metals and dielectrics, offering high cost and power efficiency and high speed data communication in a short range. It is gaining popularity as an interconnect that can be utilized for chip-to-chip communication.
- the present inventors propose a technique for a dielectric waveguide having a new structure that can improve nonlinearity of phase response and mitigate signal loss in an actual communication environment.
- the object of the present invention is to solve all the above-mentioned problems.
- the present invention also provides a chip-to-chip by providing a waveguide comprising a dielectric portion comprising two or more dielectrics having different dielectric constants and a conductor portion surrounding at least a portion of the dielectric portion thereon. Another objective is to improve the nonlinearity of the phase response in communications and to mitigate signal loss in the actual communications environment.
- a waveguide for transmitting a electromagnetic wave signal including a dielectric portion including two or more dielectrics having different dielectric constants, and a conductor portion surrounding at least a portion of the dielectric portion.
- the effect of improving the nonlinearity of the phase response in the chip-to-chip communication using the waveguide can reduce the degree of change in the group delay that can occur in the time domain according to the frequency change.
- the waveguide since the waveguide includes a dielectric portion composed of two or more dielectrics having different dielectric constants, the carrier frequency of the signal transmitted through the waveguide can be lowered, thereby effectively using the bandwidth of the signal transmission channel. The effect which becomes possible is achieved.
- the effect of reducing the loss of the signal transmission channel in an actual communication environment in which the waveguide is lengthened or the waveguide is bent is achieved.
- FIG. 1 is a diagram conceptually showing a configuration of a chip-to-chip interface device interconnected by a two-port network according to an embodiment of the present invention.
- FIG. 2 is a view showing the configuration of a waveguide according to the prior art by way of example.
- FIG. 3 is a diagram illustrating the configuration of a waveguide according to an embodiment of the present invention.
- FIG. 5 is a diagram exemplarily illustrating a bandwidth that may be utilized when transmitting and receiving a signal using a waveguide according to an embodiment of the present invention.
- FIG. 6 shows the results of experiments in which signal loss is measured for each of transmitting and receiving signals using a waveguide according to the related art and transmitting and receiving signals using a waveguide according to an embodiment of the present invention.
- FIG. 7 and 8 are diagrams exemplarily illustrating a result of simulating interference between signal transmission channels according to an embodiment of the present invention.
- FIG. 9 is a diagram illustrating a configuration of a waveguide according to another embodiment of the present invention.
- 200a and 200b first microstrip circuit and second microstrip circuit
- FIG. 1 is a diagram conceptually showing a configuration of a chip-to-chip interface device interconnected by a two-port network according to an embodiment of the present invention.
- Waveguide 100 which is an interconnection (i.e. interconnect) means for transmitting electromagnetic signals (e.g., data communication, etc.) between two chips (not shown) and signals from the two chips above to waveguide 100
- Microstrip circuits 200a and 200b may be included as a means of transmitting or transmitting signals from waveguide 100 to the two chips above.
- a chip means not only an electronic circuit component having a conventional meaning, which is composed of a plurality of semiconductors such as transistors, but also any type of component or component capable of transmitting and receiving electromagnetic signals to each other. It should be understood as the broadest concept encompassing elements.
- the signal generated from the first chip may be propagated along a feeding line and a probe of the first microstrip circuit 200a, and the first As a transition is made in the impedance discontinuity plane between the microstrip circuit 200a and the waveguide 100, it may be transmitted to the second chip through the waveguide 100.
- the signal transmitted through the waveguide 100 is transitioned in the impedance discontinuity plane between the waveguide 100 and the second microstrip circuit 200b, so that the second microstrip circuit 200b. It may be transmitted to the second chip through.
- FIG. 2 is a view showing the configuration of a waveguide according to the prior art by way of example.
- the waveguide 10 may include a dielectric core 11 and a metal cladding 12 surrounding the dielectric core 11.
- FIG. 3 is a diagram illustrating the configuration of a waveguide according to an embodiment of the present invention.
- the waveguide 100 may include a dielectric part including two or more dielectrics having different dielectric constants and a conductor part 130 surrounding at least a portion of the dielectric part thereon. Can be.
- two or more dielectrics included in the dielectric portion may include a first dielectric 110 and a second dielectric 120, and the second dielectric 120 may be formed of a second dielectric 120. 1 may have a shape surrounding at least a portion of the dielectric (110). For example, the second dielectric 120 may completely surround the first dielectric 110 or partially surround the first dielectric 110.
- the first dielectric 110 is formed of a circular core ( core, and the second dielectric 120 and the conductor portion 130 may have an annular cladding shape.
- the central axis of the dielectric part (more specifically, the central axis of the first dielectric material 110 and the central axis of the second dielectric material 120) and the central axis of the conductor part 130 are Can match each other.
- the internal configuration or shape of the waveguide 100 according to the present invention is not necessarily limited to those listed above, it will be apparent that it can be changed as much as possible within the scope to achieve the object of the present invention.
- the conductor portion 130 may be made of a material having electrical conductivity.
- the conductor part 130 according to an embodiment of the present invention may be made of a metallic material, such as copper (Cu), or a non-metallic material, such as graphene, which is traditionally widely used.
- FIG. 9 is a diagram illustrating a configuration of a waveguide according to another embodiment of the present invention.
- the first dielectric 110 included in the waveguide 100 may be formed of two or more partial dielectrics 110a and 110b separated from each other.
- the second dielectric 120 may have a shape surrounding at least a portion of the two or more partial dielectrics.
- the first dielectric 110 may be made of air.
- the waveguide 100 is disposed between the first dielectric member 110 and the conductor portion 130, and the first dielectric member 110 and the conductor portion.
- the supporter 140 may further include a function of maintaining the space in which the second dielectric 120 exists between the 130.
- the second dielectric 120 may be made of air.
- the permittivity of the first dielectric 110 may be larger or smaller than that of the second dielectric 120. More specifically, according to an embodiment of the present invention, by using the first dielectric material 110 and the second dielectric material 120 having different dielectric constants, they appear as a change in frequency in the signal transmission channel through the waveguide 100. The amount of change in group delay can be greatly reduced. In particular, in the embodiment of FIG. 3, as the permittivity of the first dielectric 110 is greater than that of the second dielectric 120, the degree of change in the group delay may be reduced. A detailed description of the group delay will be given later.
- the first dielectric 110 may be made of teflon having a dielectric constant of about 2.0
- the second dielectric 120 may be made of polyethylene having a dielectric constant of about 1.2. have.
- the first dielectric 110 may be made of air having a dielectric constant of about 1.0
- the second dielectric 120 may be made of Teflon having a dielectric constant of about 2.0
- the first dielectric 110 may be made of Teflon
- the second dielectric 120 may be made of air.
- the signal transmitted through the waveguide 100 is a boundary between the first dielectric material 110 and the second dielectric material 120 having different dielectric constants. Or guided along a boundary between the first dielectric 110 or the second dielectric 120 and the conductor portion 130.
- At least two waveguides 100 may be combined in a predetermined arrangement to form a bundle, and each of the two or more waveguides 100 included in the bundle may be signaled through different signal transmission channels. It can perform the function of transmitting.
- a non-linear phase response (non-linear)
- the phase response may be severe, which may cause a large change in the group delay due to the frequency change in the signal transmission channel through the waveguide.
- the group delay at the frequency of 50 GHz is close to infinity while the group delay at the frequency of 73 GHz is 20 ns. It can be seen that the deviation (or change) of the group delay in the domain is very large.
- a waveguide that is, a waveguide composed of a first dielectric 110, a second dielectric 120, and a conductor portion 130
- the nonlinear phase response can be reduced, thereby significantly reducing the degree of change in group delay due to the frequency change that can occur in the signal transmission channel through the waveguide.
- the graph of FIG. 4B referring to the graph of FIG.
- FIG. 5 is a diagram exemplarily illustrating a bandwidth that may be utilized when transmitting and receiving a signal using a waveguide according to an embodiment of the present invention.
- the waveguide 100 includes a first dielectric 110 and a second dielectric 120 having different dielectric constants in a signal transmission channel through the waveguide 100.
- the group delay change which may be caused by the change in frequency, may be significantly lowered, thereby allowing the user (or designer) to change the carrier frequency of the signal transmitted through the waveguide 100 to the upper corner frequency ( It is possible to lower the upper corner frequency (f c1 of FIG. 5A) to the lower corner frequency (f c2 of FIG. 5A).
- the waveguide 100 since single side band transmission is possible, the bandwidth of the signal transmission channel can be effectively used, and the carrier frequency can be lowered.
- the effect of enabling chip-to-chip interfaces (or signal transceivers), including 100, to operate reliably and for low power design of the chip-to-chip interface is achieved.
- FIG. 6 is a diagram illustrating the results of experiments in which signal loss is measured for each of a signal transmission and reception using a waveguide according to the prior art and a signal transmission and reception using a waveguide according to an embodiment of the present invention.
- the waveguide according to an embodiment of the present invention and the waveguide according to the prior art are both 15cm in length, and the two waveguides above the signal transmitted in the same degree bent.
- the signal transmission channel characteristics and the prior art of the waveguide including all of the first dielectric, the second dielectric, and the conductor portion according to the exemplary embodiment of the present invention are described. Accordingly, the signal transmission channel characteristics of the waveguide (see (b) of FIG. 6) including only the first dielectric material and the second dielectric material (ie, not including the conductor part) can be confirmed.
- the waveguide according to the embodiment of the present invention has a higher frequency of confining a signal in the waveguide than the waveguide according to the prior art, and thus has a high frequency band. (For example, 70 GHz to 100 GHz), it can be seen that the signal loss is less than that of the waveguide according to the prior art (that is, the signal intensity is large).
- the signal in a waveguide including only the first dielectric and the second dielectric without including the conductor portion, the signal may be guided by total reflection at the boundary between the first dielectric and the second dielectric. If the waveguide is severely bent to the extent that total reflection does not occur as described above, the signal may not be properly guided in the waveguide and may exit the waveguide, resulting in signal loss.
- the lower the frequency of the signal the longer the wavelength of the signal, so the difference between the performance of the waveguide according to the prior art and the waveguide according to the present invention (that is, the prevention of signal loss due to the bending of the waveguide) is the frequency of the transmitted signal
- the lower is, the clearer it can be.
- the waveguide according to an embodiment of the present invention, an effect of reducing the loss of the signal transmission channel in an actual communication environment in which the waveguide is lengthened or the waveguide is bent is achieved.
- FIG. 7 and 8 are diagrams exemplarily illustrating a result of simulating interference between signal transmission channels according to an embodiment of the present invention.
- a transition 714 between the 1-1 microstrip circuit 712 and the first waveguide 711 and the 2-1 microstrip circuit 722 and the second waveguide 721 Since the signal transfer coefficients between the transitions 724 (i.e., S31 and 810 of FIG. 8) appear very small at less than -30 dB, the interference between the two transitions 714, 715 above (i.e. It can be confirmed that 731) is small enough to be ignored.
- the conductor portion included in two adjacent waveguides (711, 721) signal between two adjacent waveguides (711, 721) It can be said that a remarkable effect of preventing interference is achieved.
- the dielectric part included in the waveguide according to the present invention is mainly composed of two dielectrics having different dielectric constants (that is, the first dielectric 110 and the second dielectric), but the dielectric of the waveguide according to the present invention.
- the configuration of the parts is not necessarily limited to the above description, and may be changed as much as possible within the range capable of achieving the object or effect of the present invention.
- the dielectric portion of the waveguide according to another embodiment of the present invention may include three or more dielectrics having different dielectric constants.
- the configuration of the microstrip circuit according to the present invention is not necessarily limited to those enumerated above. Or it can be changed as long as the effect can be achieved.
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Abstract
Description
Claims (8)
- 전자기파 신호 전송을 위한 도파관(waveguide)으로서,유전율이 서로 다른 둘 이상의 유전체를 포함하는 유전체부, 및상기 유전체부의 적어도 일부를 둘러싸는 전도체부를 포함하는 도파관.
- 제1항에 있어서,상기 둘 이상의 유전체에는 제1 유전체 및 제2 유전체가 포함되고, 상기 제2 유전체는 상기 제1 유전체의 적어도 일부를 둘러싸는 도파관.
- 제2항에 있어서,상기 제1 유전체의 중심축, 상기 제2 유전체의 중심축 및 상기 전도체부의 중심축은 서로 일치하는 도파관.
- 제2항에 있어서,상기 제1 유전체 및 상기 전도체부 사이에 배치되고, 상기 제1 유전체 및 상기 전도체부 사이에서 상기 제2 유전체가 존재하는 공간이 유지되도록 하는 지지부를 더 포함하는 도파관.
- 제2항에 있어서,상기 제1 유전체는 서로 분리된 둘 이상의 부분 유전체로 이루어지고, 상기 제2 유전체는 상기 둘 이상의 부분 유전체의 적어도 일부를 둘러싸는 도파관
- 제1항에 있어서,상기 제1 유전체 및 상기 제2 유전체 중 어느 하나는 공기로 이루어지는 도파관.
- 제1항에 있어서,상기 도파관을 통하여 전송되는 신호는, 상기 제1 유전체와 상기 제2 유전체 사이의 경계(boundary)를 따라 가이드되거나 상기 제1 유전체 또는 상기 제2 유전체와 상기 전도체부 사이의 경계를 따라 가이드되는(guided) 도파관.
- 제1항에 있어서,상기 도파관을 통한 신호 전송 채널에서 주파수의 변화에 따라 나타나는 시간 도메인에서의 그룹 딜레이(group delay)의 변화 정도가 기설정된 수준 이하인 도파관.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201780033146.8A CN109314297B (zh) | 2016-03-28 | 2017-03-28 | 用于传输电磁波信号的波导管 |
JP2018551263A JP6871944B2 (ja) | 2016-03-28 | 2017-03-28 | 電磁波信号伝送のための導波管 |
EP17775782.0A EP3439101A4 (en) | 2016-03-28 | 2017-03-28 | WAVE GUIDE FOR THE TRANSMISSION OF ELECTROMAGNETIC SIGNALS |
US16/145,530 US10777868B2 (en) | 2016-03-28 | 2018-09-28 | Waveguide comprising first and second dielectric parts, where the first dielectric part comprises two or more separate dielectric parts |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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KR10-2016-0037141 | 2016-03-28 | ||
KR10-2016-0037121 | 2016-03-28 | ||
KR20160037141 | 2016-03-28 | ||
KR20160037121 | 2016-03-28 | ||
KR10-2016-0104466 | 2016-08-17 | ||
KR1020160104466A KR101874694B1 (ko) | 2016-03-28 | 2016-08-17 | 전자기파 신호 전송을 위한 도파관 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US16/145,530 Continuation US10777868B2 (en) | 2016-03-28 | 2018-09-28 | Waveguide comprising first and second dielectric parts, where the first dielectric part comprises two or more separate dielectric parts |
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WO2017171358A1 true WO2017171358A1 (ko) | 2017-10-05 |
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PCT/KR2017/003336 WO2017171358A1 (ko) | 2016-03-28 | 2017-03-28 | 전자기파 신호 전송을 위한 도파관 |
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Cited By (2)
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---|---|---|---|---|
US20220352639A1 (en) * | 2021-04-30 | 2022-11-03 | The Board Of Trustees Of The University Of Alabama | Miniaturized reflector antenna |
EP4329087A1 (en) * | 2022-08-26 | 2024-02-28 | indie Semiconductor FFO GmbH | Dielectric waveguide data interface and sensor system |
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US6417742B1 (en) * | 1999-05-25 | 2002-07-09 | Sharp Kabushiki Kaisha | Circular polarizer having two waveguides formed with coaxial structure |
JP2002543449A (ja) * | 1999-04-23 | 2002-12-17 | マサチューセッツ インスティテュート オブ テクノロジー | 全誘電性同軸導波管 |
JP2008028523A (ja) * | 2006-07-19 | 2008-02-07 | Fukui Prefecture | 誘電体ケーブルおよび導波管 |
US20140368301A1 (en) * | 2013-06-12 | 2014-12-18 | Texas Instruments Incorporated | Dielectric Waveguide with Conductive Coating |
US20150295299A1 (en) * | 2014-04-09 | 2015-10-15 | Texas Instruments Incorporated | Frequency Selector for mm-wave Communication using a Dielectric Waveguide |
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2017
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JP2002543449A (ja) * | 1999-04-23 | 2002-12-17 | マサチューセッツ インスティテュート オブ テクノロジー | 全誘電性同軸導波管 |
US6417742B1 (en) * | 1999-05-25 | 2002-07-09 | Sharp Kabushiki Kaisha | Circular polarizer having two waveguides formed with coaxial structure |
JP2008028523A (ja) * | 2006-07-19 | 2008-02-07 | Fukui Prefecture | 誘電体ケーブルおよび導波管 |
US20140368301A1 (en) * | 2013-06-12 | 2014-12-18 | Texas Instruments Incorporated | Dielectric Waveguide with Conductive Coating |
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Non-Patent Citations (1)
Title |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US20220352639A1 (en) * | 2021-04-30 | 2022-11-03 | The Board Of Trustees Of The University Of Alabama | Miniaturized reflector antenna |
EP4329087A1 (en) * | 2022-08-26 | 2024-02-28 | indie Semiconductor FFO GmbH | Dielectric waveguide data interface and sensor system |
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