WO2005091499A1 - ディレイライン - Google Patents
ディレイライン Download PDFInfo
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- WO2005091499A1 WO2005091499A1 PCT/JP2005/004431 JP2005004431W WO2005091499A1 WO 2005091499 A1 WO2005091499 A1 WO 2005091499A1 JP 2005004431 W JP2005004431 W JP 2005004431W WO 2005091499 A1 WO2005091499 A1 WO 2005091499A1
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- WIPO (PCT)
- Prior art keywords
- spiral
- inductors
- spiral inductor
- inductor
- dielectric substrate
- Prior art date
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- 239000000758 substrate Substances 0.000 claims abstract description 70
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 241000237858 Gastropoda Species 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 12
- 230000008878 coupling Effects 0.000 description 18
- 238000010168 coupling process Methods 0.000 description 18
- 238000005859 coupling reaction Methods 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/30—Time-delay networks
- H03H7/34—Time-delay networks with lumped and distributed reactance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
- H01F2017/0026—Multilayer LC-filter
Definitions
- the present invention relates to a delay line, and more particularly to an improvement in a laminated delay line having a delay time of Ins or less.
- timing is adjusted by delaying the clock signal within one cycle using a delay line.
- the delay line used needs to have a small delay time and a wide frequency band.
- a delay line capable of supporting a clock signal having a repetition frequency of 1 GHz has a delay band of Ins or less and a frequency band of at least a third harmonic of the clock frequency. 3GHz or more is required.
- the frequency band required for a delay line with a delay time td (ns) is 3Ztd (G Hz) or more, and when the delay time is 300 ps or less, a frequency band of 10GHz is required.
- a folded pattern 3 in which elongated lines are folded in a rectangular shape at small intervals is formed in the longitudinal direction.
- a ground layer 7 is formed on the entire upper surface of a dielectric substrate 5 similar to the dielectric substrate 1, and the lower surface of the dielectric substrate 5 is overlaid on the dielectric substrate 1 from the folded pattern 3.
- a ground layer 9 having the same shape as the dielectric substrate 1 is stacked on the lower surface of the dielectric layer 1, and the folded pattern 3 faces the ground layers 7, 9 via the dielectric substrates 5, 1. .
- FIG. 6 the dielectric substrates 1 and 5 and the ground layers 7 and 9 are exploded, and reference numerals 11 and 13 in the figure denote a folded pattern 3, that is, an input terminal and an output terminal of the delay line. It is.
- an elongated line is spied on the upper surface of a rectangular thin dielectric substrate 15.
- a plurality of upper spiral inductors 17a, 17b, 17c, 17d formed in a spiral shape are formed in the longitudinal direction, and two adjacent upper spiral inductors 17a-17d are connected in series so as to form a negative coupling.
- a ground layer 21 is formed on the entire upper surface of another dielectric substrate 19 having the same shape as that of the dielectric substrate 15, and the lower surface of the dielectric substrate 19 is overlaid on the dielectric substrate 15 from above the upper spiral inductors 17a-17d.
- An intermediate ground layer 25 is formed on the entire upper surface of the dielectric substrate 23 having the same shape as the dielectric substrate 1, and the upper surface of the dielectric substrate 23 is overlapped with the lower surface of the dielectric substrate 15.
- a dielectric substrate 27 having the same shape as the dielectric substrate 1 similar to the upper spiral inductors 17a and 17d, a plurality of lower snail coils 29a, 29b, 29c and 29d are formed in the longitudinal direction thereof. Except for the lower spiral inductors 29a and 29d at both ends, adjacent lower spiral inductors 29b-29c are connected in series so as to form a negative coupling, and the upper surface of the dielectric substrate 27 is superimposed on the dielectric substrate 23 from the lower surface. .
- a ground layer 31 having the same shape as that of the dielectric substrate 1 is overlaid on the lower surface of the dielectric layer 27 to form an integrated structure.
- the dielectric substrates 15, 19, 23, and 27 and the ground layers 21 and 31 are exploded, and reference numerals 39 and 41 in the figure denote input and output terminals of the delay line. And the viahorn of the dielectric substrate 15 is shown in FIG.
- the dielectric substrate 1 on which the folded pattern 3 is formed and the upper and lower sinusoidal inductors 29a-29d and 33a-33d are formed so as to obtain a desired delay time.
- the required number of dielectric substrates 15 and 27 may be stacked.
- the signal propagation direction is reversed between adjacent lines in the folded pattern 3, and negative coupling occurs.
- the inductance per unit length of the line is reduced, making it difficult to increase the delay time.
- the ductility also sharply increases on the high frequency side where it is difficult to become flat, and overshoot is likely to occur in the pulse response, which has a drawback.
- the delay time per unit length is longer than in the folded pattern 3 in FIG. It can be expected that the shorter the line length for obtaining the desired delay time, the shorter the coupling section, and the smaller the fluctuation of the group delay characteristic than in the folded pattern configuration.
- the dielectric constant is 7 and the dimension is 5 mm.
- a line with a line width of 0.1 mm and a film thickness of 8 ⁇ m is formed with silver paste on a glass ceramic of 2.5 mm, and the dielectric substrates 1, 5, 15, and 30 are designed to have a characteristic impedance of 50 ⁇ and a delay time of 300 ps.
- the thickness is set to 19, 23, and 27, the following results are obtained.
- the return loss S11, the passing amplitude characteristic S12, and the group delay characteristic are as shown by the broken lines in FIGS. 8A to 8C, and the passing amplitude characteristic S21 is very excellent.
- the group delay characteristics increased rapidly on the high frequency side.
- the number of layers in the spiral inductor configuration must be five or more, and the number of layers increases as compared with the three layers in the folded pattern configuration, and the manufacturing cost increases.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2000-286618
- Patent Document 2 Japanese Patent Application Laid-Open No. 2003-133821
- Patent Document 2 JP 2003-133821A
- the upper and lower spiral inductors 17a and 17d and 29a-29d face each other without the intermediate ground layer 25 as a shield member.
- a larger distributed capacitance is generated between the upper and lower spiral inductors 17a-17d and 29a-29d. Therefore, it is known that a resonance circuit is formed by the inductances of the upper and lower spiral inductors 17a- 17d and 29a-29d themselves and the distributed capacitance, and self-resonates at a preferable frequency.
- the delay time is longer than Ins, the problem is unlikely to occur because the required frequency band is as low as 3 GHz or less, but when the frequency band is 10 GHz, the self-resonant frequency falls within the frequency band of the delay line. There is a concern that the characteristic impedance greatly fluctuates near the self-resonant frequency and the operation of the delay line becomes stable.
- the present inventor has conducted intensive observation experiments on the spiral inductor constituting the delay line.
- the center of the spiral inductor has a short side, so that the positive coupling is weak.
- the inductance per unit length is lower than that of the outer circumference, and even if the line near the center of the spiral inductor is removed, the inductance of the entire spiral inductor will be reduced. Found that it did not drop so much and completed the present invention.
- the present invention has been made to solve such a problem, and a shield is provided between the upper and lower spiral inductors so that the upper and lower spiral inductors are positively coupled to each other. It is an object of the present invention to provide a small delay line that can obtain the same characteristics as those obtained when the shield is completely removed even if the members are removed.
- a first configuration according to the present invention is a first spiral inductor and a second spiral inductor formed to face each other with a dielectric layer interposed therebetween.
- the central portion of each spiral inductor is formed so as to be positively coupled with the first and second spiral inductors via-connected by the dielectric layer and facing the first spiral inductor at a predetermined interval.
- a first ground layer, and a second ground layer formed opposite to the first spiral inductor at a predetermined interval and facing the second spiral inductor.
- At least one of the first and second spiral inductors is characterized in that it has a capacitor electrode having an area of 20% to 60% with respect to the outer peripheral region of the pattern of the spiral inductor at the center thereof. It has become.
- the first and second spiral inductors coaxially form one or more similar other snoral inductors that are face-to-face via the dielectric layer. It is possible to arrange them and connect them in series via connection.
- a second configuration according to the present invention is a first spiral inductor and a second spiral inductor formed so as to face each other with a dielectric substrate therebetween, and the first spiral inductor and the second spiral inductor are positively coupled to each other.
- a first and second spiral inductors each having a central portion via-connected by a dielectric layer to each spiral inductor, and a first ground layer formed facing the first spiral inductor at a predetermined interval.
- a second ground layer formed opposite to the first spiral inductor at a predetermined distance from the second spiral inductor and facing the second spiral inductor.
- the first spiral inductor is composed of a plurality of pieces, and each of the individual spiral inductors constituting the first spiral inductor is formed in a plane at a predetermined interval, and the two adjacent spiral inductors are formed in parallel. Each is connected in series.
- the second spiral inductor also includes a plurality of inductors, is arranged coaxially with the first spiral inductor, and each individual spiral inductor is connected in series by two adjacent spiral inductors. However, in the second spiral inductor, the set of these individual spiral inductors connected next to each other is combined with the set in the first snoiler inductor by shifting the pitch by one spiral inductor.
- Each of the first and second spiral inductors has via-connected upper and lower individual spiral inductors facing each other, and the first and second spiral inductors have a 20%-60% relative to the peripheral area of the pattern. % Of the capacitor electrode is provided at the center of the spiral.
- the individual spiral inductors of the first and second spiral inductors each include one or more other individual spiral inductors facing each other via the dielectric layer. It is possible to arrange the inductors coaxially and connect them in series via.
- the first and second spiral inductors formed facing each other with the dielectric layer interposed therebetween are via-connected at the center so as to form a positive coupling.
- a first ground layer is formed facing the first spiral inductor, and a second ground layer is formed opposite the second spiral inductor on a side opposite to the first spiral inductor.
- the intermediate ground layer is omitted, Even if the first and second spiral inductors face each other so as to be positively coupled, good characteristics can be obtained, the number of layers can be reduced, and the overall thickness is not easily increased.
- the via connection is made in series with the first and second spiral inductors via a coaxial spiral inductor.
- desired characteristics can be easily obtained.
- the first and second spiral inductors formed to face each other with the dielectric substrate interposed therebetween are via-connected at the center so as to form positive coupling, and A ground layer is facing the first spiral inductor, and a second ground layer is facing the second spiral inductor on the side opposite the first spiral inductor, and the first and second spiral inductors are facing each other.
- the second spiral inductor has a configuration in which a plurality of individual spiral inductors are connected, and upper and lower individual spiral inductors that are coaxially opposed to each other are connected via, respectively, and are connected to the center of the first and second spiral inductors. Since a capacitor electrode with an area of 20% to 60% was formed in the outer peripheral region of the pattern, the first and second spiral inductors were formed by individual spiral inductors. Be configured odor of the formed plurality of sections, the first configuration and the same effect can be obtained.
- an individual snoral inductor is interposed between the first and second spiral inductors, and a coaxial connection is provided between the first and second spiral inductors. Also in the configuration in which via connection is performed in series with an individual spiral inductor interposed therebetween, desired characteristics can be easily obtained in addition to the effects of the second configuration described above.
- FIG. 1 is an exploded perspective view showing a basic embodiment (first configuration) of a delay line according to the present invention.
- a thin conductive line is formed in a spiral shape.
- a spiral inductor (upper spiral inductor) 45 is provided.
- a capacitor electrode 47 is formed as a part thereof. Details of the capacitance electrode 47 will be described later.
- a second spiral inductor 45 having the same shape as the first spiral inductor 45 is provided on the upper surface (one surface) of the second dielectric substrate 49 formed of the same material and in the same shape as the first dielectric substrate 43.
- a spiral inductor (lower spiral inductor) 51 is provided on the upper surface (one surface) of the second dielectric substrate 49 formed of the same material and in the same shape as the first dielectric substrate 43.
- a spiral inductor (lower spiral inductor) 51 is provided on the upper surface (one surface) of the second dielectric substrate 49 formed of the same material and in the same shape as the first dielectric substrate 43.
- a spiral inductor (lower spiral inductor) 51 is provided on the upper surface (one surface) of the second dielectric substrate 49 formed of the same material and in the same shape as the first dielectric substrate 43.
- a spiral inductor (lower spiral inductor) 51 is provided on the upper surface (one surface) of the second dielectric substrate 49 formed of the same material and in the same shape as the first
- the upper surface of the second dielectric substrate 49 is overlapped, and the first and second spiral inductors 45 and 51 are connected to each other and the capacitive electrodes 47 and 53 are connected to each other.
- Capacitor electrodes 47 and 53 are via-connected via a via hole (not shown) formed in the center of capacitor electrode 47 on first dielectric substrate 43, and the first and second spiral inductors are connected.
- 45 and 51 are coaxially arranged in a positively coupled state and are via-connected in series.
- the third dielectric substrate 55 formed of the same material as the first dielectric substrate 43 in the same manner has a first ground layer having a shape larger than the entire area of the first spiral inductor 45 on its upper surface. (Upper ground layer) 57, the lower surface of which is integrated with the upper surface of the first dielectric substrate 43.
- a second ground layer (lower ground layer) 59 having a shape larger than the entire area of the second spiral inductor 51 is overlapped and integrated. .
- the first and second spiral inductors 45 and 51, the capacitance electrodes 47 and 53, and the first and second ground layers 57 and 59 are composed of first and third dielectric substrates 43 and 49, 55 is formed by a known method such as printing or etching a conductive material.
- the second ground layer 59 is formed on, for example, a thin insulating sheet 61.
- Reference numerals 63 and 65 in FIG. 1 indicate an input terminal and an output terminal of the delay line.
- the features of the delay line according to the present invention are that the shape of the above-described capacitance electrodes 47 and 53 and the fact that no ground layer as a shield member is interposed between the first and second spiral inductors 45 and 51 are provided. It is in.
- the capacitance electrodes 47 and 53 formed on the first and second spiral inductors 45 and 51 have a land area of 20% or more of the pattern outer peripheral region of the first and second spiral inductors 45 and 51. It has been selected.
- the via diameter is set to 0.2 mm or less in order to prevent the impedance from being disturbed at the via connection portion at the center of the first and second spiral inductors 45 and 51.
- the diameter of via land 33a-33d or 35a-35d should be less than the via diameter. Was common.
- the first and second spiral inductors 45 and 51 are connected in series via via holes and face each other in a positively coupled state. Furthermore, a capacitance is formed between the first spiral inductor 45 and the first ground layer 57, while a capacitance is formed between the second spiral inductor 51 and the second ground layer 59. It has become. Then, the high-frequency signal input from the input terminal 63 is output from the output terminal 65 with a predetermined delay time via the first and second snoiler inductors 45 and 51.
- FIG. 2A is an equivalent circuit diagram of the delay line shown in FIG. 1, and can be illustrated in a simplified manner as shown in FIG.
- the capacitance electrodes 47 and 53 are formed at the center of the first and second spiral inductors 45 and 51. Over capacity. Therefore, if the first and second ground layers 57 and 59 are appropriately separated from the first and second spiral inductors 45 and 51 for the purpose of reducing the distributed capacitance, the preferable capacitance required for the entire delay line is obtained. can get. Since the first and second ground layers 57 and 59 are separated from each other, the inductance of the first and second snorial inductors 45 and 51 increases, and as a result, the first In addition, an inductance is obtained that is inferior to the conventional example in which the line pattern extends to the center of the second spiral inductors 45 and 51.
- the line length of the first and second spiral inductors 45 and 51 is shortened, and the facing area is reduced, so that the coupling capacitance between the first and second spiral inductors 45 and 51 is also reduced. I do.
- the first dielectric substrate 43 also has an optimal thickness. That is, if the first and second snoral inductors 45 and 51 are too close to each other, the coupling capacitance will increase and the inductance due to mutual induction will also increase, and the self-resonant frequency will fall and enter the frequency band of the delay line. May come.
- the coupling capacitance therebetween can be reduced, but at the same time, mutual induction also decreases. It is not preferable that the coupling between the first and second spiral inductors 45 and 51 becomes small.
- the distance between 51 and 51 needs to be increased. If the capacitance electrodes 47 and 53 are too small, the distance between the first and second spiral inductors 45 and 51 needs to be increased, and the thickness of the entire delay line increases.
- the capacitance electrodes 47, 53 If the area of the capacitance electrodes 47, 53 is too large or too small, the thickness of the entire delay line will increase, and from the viewpoint of reducing the total thickness of the delay line, the capacitance electrodes 47, 53 There is an appropriate range for the size of 53.
- the relative permittivity is 7
- the line width is 0.1mm
- the gap is 0.1mm
- the outer circumference is 1.4mm X l.
- the first and second spiral inductors 45 and 51 of 4 mm and 1.6 mm X 1.6 mm are formed.
- Fig. 3 shows the plot when the thickness is plotted on the vertical axis.
- the optimal state means a state in which the reflection coefficient is minimized.
- the optimum total thickness of the delay line is reduced. Gradually increases, and in some cases, becomes thicker than the structure with the intermediate ground layer 25 of the conventional structure inserted.
- the area ratio between the outer peripheral regions of the first and second snorial inductors 45 and 51 and the capacitance electrodes 47 and 53 is more preferably 20% to 60% in a range suitable for practical use.
- the range is considered to be 25% -50%.
- FIG. 4 is an exploded perspective view showing another embodiment (second configuration) of the delay line according to the present invention, and shows a multi-section configuration.
- a first spiral inductor (upper spiral inductor) 69 is formed by providing a plurality of 69b, 69c, and 69d planarly at predetermined intervals along the longitudinal direction. Two adjacent individual spiral inductors 69a-69d are connected in series so as to form a negative coupling. At the center of these individual spiral inductors 69a-69d, capacitive electrodes 71a, 71b, 71c, and 71d are partially connected. It is formed as.
- the individual spiral inductors 69a-6a of the first spiral inductors 69 are formed on the upper surface (one surface) of the second dielectric substrate 73 formed of the same material and in the same shape as the first dielectric substrate 67.
- a plurality of individual spiral inductors 75a, 75b, 75c, and 75d having the same shape as 9d are provided along the longitudinal direction at the same interval as the individual snorial inductors 69a-69d, and a second spiral inductor (lower spiral inductor) is provided.
- Inductor) 75 is formed on the upper surface (one surface) of the second dielectric substrate 73 formed of the same material and in the same shape as the first dielectric substrate 67.
- Capacitor electrodes 77a, 77b, 77c, and 77d having the same shape as the above-described capacitance electrodes 71a to 71d are formed at a central portion of the individual spiral inductors 75a to 75d.
- the upper surface of the second dielectric substrate 73 is superimposed on the lower surface (opposing surface) of the first dielectric substrate 67, and the individual spiral inductors 69a in the first and second spiral inductors 69 and 75— 6 9d, 75a-75d Capacitance electrodes 71a-71d, 77a-77d In this way, they are integrated.
- the first and second spiral inductors 69a-69d and 75a-75d are connected to each other through via holes (not shown) formed at the centers of the capacitance electrodes 71a-71d and 77a-77d. They are coaxially arranged in a positive coupling state and are connected in series via connection.
- the third dielectric substrate 79 formed of the same material and in the same shape as the first dielectric substrate 67 has, on its upper surface, one first dielectric inductor 69 having a shape larger than the entire area of the first spiral inductor 69.
- the ground layer 81 has the lower surface thereof superposed on the upper surface of the first dielectric substrate 67 and is integrally formed.
- one second ground layer 83 having a shape larger than the entire area of the second spiral inductor 75 is overlapped and integrally formed.
- the second ground layer 83 is formed on a thin insulating sheet 85.
- Reference numerals 87 and 89 in FIG. 4 indicate an input terminal and an output terminal.
- the capacitive electrodes 71a-71d and 77a-77d formed on the individual snoiler inductors 69a-69d and 75a-75d are the individual spiral inductors.
- the area of 20% to 60% is selected for the pattern outer peripheral area of 69a-69d and 75a-75d!
- the delay line according to the second configuration shown in FIG. 4 is configured such that the individual spiral inductors 69a-69d and 75a-75d forming the first and second spiral inductors 69 and 75 are alternately connected in series.
- the first spiral inductor 69 and the first ground layer 81 form a capacitor, while the second spiral inductor 75 and the second ground layer 83 It has a 4-segment configuration with a capacity formed between them.
- the high-frequency signal input from the input terminal 87 passes through the individual spiral inductors 69a-69d and 75a-75d in the first and second spiral inductors 69 and 75 with a delay time of four sections. Output from output terminal 89.
- the first and second ground layers 81 and 83 with respect to the first and second spiral inductors 69 and 75 are formed. With proper spacing, the desired capacitance required for the entire delay line is obtained. Further, by separating the first and second ground layers 81 and 83, the first and second snorial inductors 69 and 75 are closed. Inductance rises and the individual spiral inductors 69a-69d and 75a-75d of the first and second spiral inductors 69 and 75 have inductance ⁇ characteristics that are comparable to those of the conventional example with a line pattern up to the center. can get.
- the shield member is not required to be interposed between the first and second spiral inductors 69 and 75.
- FIGS. 5A to 5C show the delay line of the second configuration in the same manner as the conventional configuration shown in FIG. This figure illustrates the characteristics of a configuration in which a line having a thickness of 0.1 mm and a thickness of 8 ⁇ m is formed.
- a flat group delay characteristic can be obtained with respect to the return loss Sl1, the passing amplitude S21, and the group delay characteristic as compared with the conventional folded pattern configuration. It has the same characteristics as a completely shielded spiral inductor.
- the individual spiral inductors 69a-69d and 75a-75d of the first and second spiral inductors 69 and 75 are arranged so that adjacent ones are positively coupled. Even if it does, the same effect can be obtained.
- the individual spiral inductors 69a-69d and 75a-75d are not limited to a configuration in which the individual spiral inductors are arranged in a single row along the longitudinal direction of the first and second dielectric substrates 67 and 73, but may be arranged in a plurality of rows or columns. And a vertical and horizontal alternate propagation array.
- the second and third dielectric substrates 49, 55, 73 and 79 are not essential.
- the first and second spiral inductors 45, 51, 69, and 75 formed facing each other with the dielectric layer interposed therebetween are serially connected via a via at the center thereof so that they are positively coupled to each other.
- a dielectric layer is provided between the first and second spiral inductors 45 and 51 in order to obtain desired characteristics. It is possible to arrange one or more other snorial inductors facing each other via a via and to connect them coaxially and in series via connection.
- the even U-Snoylanole inductors 69a-69d and 75a-75d of the first and second spiral inductors 69 and 75 are formed of dielectric material. It is possible to obtain the desired characteristics by coaxially and serially connecting vias between them by one or more similar individual snailal inductors facing each other through the layers.
- the series connection of the first and second spiral inductors 45 and 51 and between 69 and 75 in the coaxial positional relationship with the individual spiral inductor is Needless to say, the central portion and the outer peripheral edge of each pattern may be connected alternately.
- At least a part of another individual spiral inductor interposed between the first and second spiral inductors 45, 51 and 69, 75 is provided with capacitive electrodes 47, 53, 71a—71d, 77a. It is also possible to appropriately form a capacitor electrode similar to 77d. Capacitance electrodes similar to capacitance electrodes 47, 53, 71a-71d, 77a-77d are provided on at least one of the separate spiral inductors interposed between the first and second spiral inductors 45, 51 and 69, 75. Can be formed as appropriate.
- the first and second spiral inductors 45, 51, 69, 75, the even U-snoylanore inductors, and the capacitance electrodes 47, 53, 71a-71d, 77a-77d have the same shape. .
- the above-described delay line of the present invention can be configured to be used for fine adjustment of delay time in combination with the delay line of force Ins or more, which has been described for the structure of delay time Ins or less.
- the present invention is suitable for an electromagnetic delay line that adjusts timing skew between signals by delaying the propagation time of an electric signal in a high-speed logic circuit or the like.
- FIG. 1 is an exploded perspective view showing an embodiment (first configuration) of a delay line according to the present invention.
- FIG. 2 is an equivalent circuit diagram of the delay line according to FIG. 1.
- FIG. 3 In the delay line of FIG. It is a figure which shows the relationship of thickness.
- FIG. 4 is an exploded perspective view showing another embodiment (second configuration) of the delay line according to the present invention.
- FIG. 5 is a diagram showing various characteristics of the delay line shown in FIG.
- FIG. 6 is an exploded perspective view showing a delay line having a conventional folded pattern configuration.
- FIG. 7 is an exploded perspective view showing a delay line having a conventional spiral inductor configuration.
- FIG. 8 is a diagram showing various characteristics of the delay line shown in FIGS. 6 and 7.
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Cited By (5)
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JP2007005951A (ja) * | 2005-06-22 | 2007-01-11 | Hitachi Media Electoronics Co Ltd | 伝送回路、アンテナ共用器、高周波スイッチ回路 |
JP2010273048A (ja) * | 2009-05-20 | 2010-12-02 | Mitsubishi Electric Corp | 実時間遅延線路 |
JP2012089700A (ja) * | 2010-10-20 | 2012-05-10 | Asahi Kasei Electronics Co Ltd | 平面コイル、平面コイルの製造方法及びアクチュエータ用複合平面コイル |
JP2014527320A (ja) * | 2011-05-09 | 2014-10-09 | ノースロップ グラマン システムズ コーポレーション | 超幅広バンドの真の時間遅延線 |
JPWO2016013339A1 (ja) * | 2014-07-23 | 2017-04-27 | 株式会社村田製作所 | 積層コイル部品 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5472443U (ja) * | 1977-10-31 | 1979-05-23 | ||
JPS62173816U (ja) * | 1986-04-08 | 1987-11-05 | ||
JPH05275960A (ja) * | 1992-03-25 | 1993-10-22 | Tdk Corp | チップディレーライン |
JPH1075146A (ja) * | 1996-08-30 | 1998-03-17 | T I F:Kk | ノイズフィルタ |
JPH10163783A (ja) * | 1998-01-20 | 1998-06-19 | Idotai Tsushin Sentan Gijutsu Kenkyusho:Kk | フィルタ |
JPH10214722A (ja) * | 1997-01-31 | 1998-08-11 | Hokuriku Electric Ind Co Ltd | チップ部品 |
-
2005
- 2005-03-14 WO PCT/JP2005/004431 patent/WO2005091499A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5472443U (ja) * | 1977-10-31 | 1979-05-23 | ||
JPS62173816U (ja) * | 1986-04-08 | 1987-11-05 | ||
JPH05275960A (ja) * | 1992-03-25 | 1993-10-22 | Tdk Corp | チップディレーライン |
JPH1075146A (ja) * | 1996-08-30 | 1998-03-17 | T I F:Kk | ノイズフィルタ |
JPH10214722A (ja) * | 1997-01-31 | 1998-08-11 | Hokuriku Electric Ind Co Ltd | チップ部品 |
JPH10163783A (ja) * | 1998-01-20 | 1998-06-19 | Idotai Tsushin Sentan Gijutsu Kenkyusho:Kk | フィルタ |
Cited By (6)
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JP2007005951A (ja) * | 2005-06-22 | 2007-01-11 | Hitachi Media Electoronics Co Ltd | 伝送回路、アンテナ共用器、高周波スイッチ回路 |
JP4636950B2 (ja) * | 2005-06-22 | 2011-02-23 | 株式会社日立メディアエレクトロニクス | 伝送回路、アンテナ共用器、高周波スイッチ回路 |
JP2010273048A (ja) * | 2009-05-20 | 2010-12-02 | Mitsubishi Electric Corp | 実時間遅延線路 |
JP2012089700A (ja) * | 2010-10-20 | 2012-05-10 | Asahi Kasei Electronics Co Ltd | 平面コイル、平面コイルの製造方法及びアクチュエータ用複合平面コイル |
JP2014527320A (ja) * | 2011-05-09 | 2014-10-09 | ノースロップ グラマン システムズ コーポレーション | 超幅広バンドの真の時間遅延線 |
JPWO2016013339A1 (ja) * | 2014-07-23 | 2017-04-27 | 株式会社村田製作所 | 積層コイル部品 |
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