WO2005006483A1 - Tm010モード共振器装置、発振器装置および送受信装置 - Google Patents
Tm010モード共振器装置、発振器装置および送受信装置 Download PDFInfo
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- WO2005006483A1 WO2005006483A1 PCT/JP2004/009539 JP2004009539W WO2005006483A1 WO 2005006483 A1 WO2005006483 A1 WO 2005006483A1 JP 2004009539 W JP2004009539 W JP 2004009539W WO 2005006483 A1 WO2005006483 A1 WO 2005006483A1
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- 239000000758 substrate Substances 0.000 claims abstract description 78
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 8
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- 230000005855 radiation Effects 0.000 abstract description 22
- 230000010355 oscillation Effects 0.000 description 17
- 238000004891 communication Methods 0.000 description 13
- 230000001965 increasing effect Effects 0.000 description 12
- 238000012986 modification Methods 0.000 description 9
- 230000004048 modification Effects 0.000 description 9
- 239000004020 conductor Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
- H01P7/065—Cavity resonators integrated in a substrate
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
- H03B5/1864—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a dielectric resonator
- H03B5/187—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a dielectric resonator the active element in the amplifier being a semiconductor device
- H03B5/1876—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a dielectric resonator the active element in the amplifier being a semiconductor device the semiconductor device being a field-effect device
Definitions
- TM010 mode resonator device oscillator device, and transmission / reception device
- the present invention relates to a TM010 mode resonator device, an oscillator device, and a transmission / reception device that oscillate high-frequency electromagnetic waves such as microwaves and millimeter waves.
- TM010 mode resonator device used for a transmission / reception device such as a communication device or a radar device
- a device provided with circular electrodes facing each other on both surfaces of a dielectric substrate is known (for example, see Patent Reference 1).
- Patent Document 1 JP-A-10-98316
- TM010 mode oscillator device In such a TM010 mode oscillator device according to the related art, an electromagnetic wave in the TM0 mode, which is a surface wave mode, is compared with a TM01 mode resonator device in which a ground electrode is formed on substantially the entire back surface of a dielectric substrate. Since the thickness of the dielectric substrate can be increased to approximately twice the thickness of the substrate that does not couple with the field, the conductor loss (Qc) and the unloaded Q (Qo) are approximately twice as large. ) Can be obtained, and the loss of the filter can be reduced.
- the present invention has been made in view of the above-described problems of the related art, and an object of the present invention is to provide a TM010 mode resonator device, an oscillator device, and a transmission / reception device that suppress radiation of an electromagnetic field and have a high Q. Is to do.
- the invention of claim 1 includes a dielectric substrate and electrodes provided on both surfaces of the dielectric substrate, and at least one of the electrodes on both surfaces is circular.
- the dielectric substrate has A plurality of through-holes are provided through the circumference of the circular electrode, and the inside of each through-hole is a non-electrode forming part with no electrode, and the plurality of through-holes are formed around the circular electrode. It is characterized by providing an open end to enhance the electromagnetic field confinement.
- the dielectric substrate is provided with a plurality of through holes penetrating the circumference of the circular electrode, and the inside of each through hole is a non-electrode forming portion in which the electrode is omitted.
- the open end is formed by the plurality of through holes.
- the air is filled in the through-hole, so that the electromagnetic field can be totally reflected at the boundary between the inner wall surface of the through-hole and the air, and a circular electrode in the dielectric substrate can be used.
- the electromagnetic field formed at the site can be confined.
- the distance between the adjacent through holes is set to g / 4 or less.
- the present invention also provides a TM010 mode resonator including a dielectric substrate and electrodes provided on both surfaces of the dielectric substrate, wherein at least one of the electrodes on both surfaces is formed by a circular electrode.
- a plurality of strip-shaped electrodes are arranged in a radial manner in a state where the plurality of strip-shaped electrodes are provided on both surfaces or one surface of the dielectric substrate so as to surround the circular electrode and a gap is formed between the circular electrode and the dielectric substrate. It is characterized by:
- the tip side (the outermost side) of each strip electrode can be short-circuited in a pseudo manner.
- the tip side of each strip-shaped electrode can be opened in a pseudo manner.
- the circular electrodes are surrounded by a plurality of strip-shaped electrodes arranged radially, so The electromagnetic field formed at the portion corresponding to the circular electrode in the electric circuit board can be totally reflected at the tip side of the strip-shaped electrode serving as a short-circuit end or an open end, thereby improving energy confinement. .
- the radiation of the electromagnetic field can be suppressed, so that the conductor loss and the radiation loss can be improved together.
- the strip-shaped electrode when the wavelength at the resonance frequency in the dielectric substrate is ⁇ g, is formed in a rectangular shape having a radially extending length dimension of ⁇ g / 4. Is preferred.
- each strip-shaped electrode can be pseudo short-circuited.
- the electromagnetic field formed in the portion corresponding to the circular electrode in the dielectric substrate can be totally reflected on the tip side of the strip-shaped electrode forming the short-circuit end, and the energy confinement can be improved.
- the distance between the adjacent strip-shaped electrodes is preferably set to be not more than g / 4. Thereby, it is possible to prevent the electromagnetic field from leaking from between the adjacent strip-shaped electrodes, and it is possible to enhance the energy confinement.
- An oscillator device may be configured using the TM010 mode resonator device according to the present invention, and a transmitting and receiving device such as a radar device and a communication device may be configured using the oscillator device according to the present invention.
- the structure of the oscillator device and the like can be simplified, and the manufacturing cost of the entire communication device can be reduced. it can.
- FIG. 1 is a perspective view showing a TM010 mode resonator device according to a first embodiment.
- FIG. 2 is a plan view showing the TM010 mode resonator device in FIG. 1.
- FIG. 3 is a cross-sectional view of the TM010 mode resonator device viewed from the direction of arrows III-III in FIG.
- FIG. 4 is a perspective view showing a TMO 10-mode resonator device according to a second embodiment.
- FIG. 5 is a plan view showing the TM010 mode resonator device in FIG.
- FIG. 6 is an enlarged plan view of a main part showing a strip-shaped electrode located at a part a in FIG. Garden 7]
- FIG. 7 is a perspective view showing a state in which the TM010 mode resonator device according to the second embodiment is accommodated in a cavity.
- FIG. 8 is a characteristic diagram showing the relationship between the spatial height of the TM010 mode resonator device and the cavity in FIG. 7 and the variation rate of the resonance frequency.
- FIG. 9 is an enlarged plan view of a principal part at the same position as FIG. 6 showing a strip-shaped electrode according to a first modification.
- FIG. 10 is an enlarged plan view of a principal part at the same position as FIG. 6 showing a strip-shaped electrode according to a second modification.
- FIG. 11 is an enlarged plan view of a principal part at the same position as FIG. 6 showing a strip-shaped electrode according to a third modification.
- FIG. 12 is an enlarged plan view of a principal part at the same position as FIG. 6 showing a strip electrode according to a fourth modification.
- FIG. 13 is an enlarged plan view of an essential part at the same position as FIG. 6 showing a strip-shaped electrode according to a fifth modification.
- FIG. 14 is an enlarged plan view of a main part at the same position as FIG. 6 showing a strip electrode according to a sixth modification.
- FIG. 15 is an enlarged plan view of a principal part at the same position as FIG. 6 showing a strip-shaped electrode according to a seventh modification.
- FIG. 16 is a plan view showing a TM010 mode resonator device according to a third embodiment.
- FIG. 17 is an enlarged plan view of a main part showing a strip-shaped electrode located at a portion b in FIG.
- FIG. 18 is an enlarged plan view of a main part at the same position as FIG. 17 showing a strip-shaped electrode according to an eighth modification.
- FIG. 19 is an enlarged plan view of a principal part at the same position as FIG. 17 showing a strip electrode according to a ninth modification.
- FIG. 20 is a plan view showing an oscillator device according to a fourth embodiment.
- FIG. 21 is an electric circuit diagram showing the oscillator device in FIG. 20.
- FIG. 22 is a block diagram showing a communication device according to a fifth embodiment.
- FIGS. 1 to 3 show a TM010 mode resonator device according to the first embodiment.
- the dielectric substrate 1 is made of, for example, a substantially rectangular flat plate, and has a small piece (chip shape) having an area slightly larger than the later-described resonator electrodes 2A and 2B.
- Reference numeral 2 denotes a TM010 mode resonator provided at the center of the dielectric substrate 1.
- the TM010 mode resonator 2 is located at the center of the dielectric substrate 1 and provided on the front surface 1A and the back surface 1B, respectively. It is composed of resonator electrodes 2A and 2B composed of the obtained circular electrodes.
- an electric field E extending in the thickness direction of the dielectric substrate 1 is formed between the resonator electrodes 2A and 2B, and the center of the resonator electrodes 2A and 2B is formed. Relative to position As a result, a concentric magnetic field H is formed (see Figs. 2 and 3). A current I flows in the resonator electrodes 2A and 2B in the radial direction between the center position and the outer peripheral edge.
- Reference numeral 3 denotes a plurality (for example, 12) of through holes provided through the dielectric substrate 1 along the periphery of the resonator electrodes 2A and 2B, and the inner wall surface 3A (inside) of each through hole 3 Is a non-electrode forming part where the electrode is omitted. Also, for the wavelength ⁇ g due to the resonance frequency in the dielectric substrate 1, the spacing dimension P0 (pitch) between the adjacent through holes 3 is set to 1/4 or less (P0 ⁇ gZ4) of the wavelength g due to the resonance frequency. I have.
- the plurality of through holes 3 are arranged so as to surround the resonator electrodes 2A and 2B, and form an open end as a whole.
- the TM010 mode resonator device has the above-described configuration.
- the TM010 mode resonator 2 faces the center and the outer periphery of the resonator electrodes 2A and 2B in opposite directions.
- the electric field E is formed, and a magnetic field H is formed concentrically with the center of the resonator electrodes 2A and 2B.
- the TM010 mode resonator 2 resonates at a frequency where the diameter D of the resonator electrodes 2A and 2B is one wavelength.
- the TM010 mode itself is generally a radiation mode, and is often used for applications such as antennas by utilizing such features.
- the TM010 mode resonator 2 when used as the TM010 mode resonator 2, there is a problem that the radiation loss Qr becomes worse due to the large radiation, and the no-load Q (Qo) itself becomes worse.
- the dielectric substrate 1 is provided with a plurality of through holes 3 along the periphery of the resonator electrodes 2A and 2B, where the electrodes of the inner wall surface 3A are omitted.
- the electromagnetic field formed between the electrodes 2A and 2B can be totally reflected at the boundary between the inner wall surface 3A of the through hole 3 and the air.
- the unloaded Q (Qo) can be increased by suppressing the electromagnetic field radiation, and the energy confinement can be improved.
- interval dimension P0 between the adjacent through holes 3 is set to be equal to or less than 1Z4 of the wavelength of the resonance frequency; Can be enhanced.
- FIGS. 4 to 6 show a TM010 mode resonator device according to a second embodiment.
- the feature of the present embodiment is that a dielectric substrate is provided on both sides of a dielectric substrate so as to surround a resonator electrode. Multiple short That is, the strip electrodes are radially arranged.
- Reference numeral 11 denotes a dielectric substrate substantially similar to the dielectric substrate 1 according to the first embodiment.
- the center position and the outer peripheral edge position of the resonator electrodes 12A and 12B are virtually opened, and electric fields in opposite directions are formed at these positions.
- a magnetic field concentric with the center position of the resonator electrodes 2A and 2B is formed between the resonator electrodes 12A and 12B.
- the TM010 mode resonator 12 resonates at a frequency where the diameter D of the resonator electrodes 12A and 12B is one wavelength.
- Reference numerals 13 and 14 denote strip electrodes provided on the front surface 11A and the back surface 11B of the dielectric substrate 11 surrounding the resonator electrodes 12A and 12B, respectively.
- a plurality of strip-shaped electrodes 14 are formed radially around the resonator electrode 12B while forming a fixed gap with a spacing dimension d between the strip-shaped electrode 14 and the resonator electrode 12B.
- the distal ends (outermost ends) of the strip electrodes 13 and 14 are quasi-short-circuited, so that the plurality of strip electrodes 13 and 14 form an annular short-circuit end surrounding the TM010 mode resonator 12. Can be formed.
- the adjacent strip-shaped electrode 13 spaced apart in the circumferential direction is formed.
- the spacing dimension PI (pitch) is set to 1/4 or less (P1 ⁇ g / 4) of the wavelength g according to the resonance frequency.
- the spacing dimension P1 (pitch) between the adjacent strip-shaped electrodes 14 is set to 1/4 or less (P1 ⁇ g / 4) of the wavelength g according to the resonance frequency. .
- the strip electrodes 13 and 14 may be arranged at positions facing each other with the dielectric substrate 11 interposed therebetween, or may be arranged so as to be displaced in the circumferential direction. Further, the number of the strip electrodes 13 and 14 may be the same or different from each other.
- the TM010 mode resonator device has the above-described configuration, and the basic operation of the TM010 mode resonator 12 is different from that of the TM010 mode resonator 2 according to the first embodiment. There is no.
- the dielectric substrate 11 is formed in a chip shape and its end surface forms an open end, when the thickness t of the dielectric substrate 11 is increased, the effect of radiation causes There is a problem that the confinement of the hook is deteriorated.
- a plurality of strip-shaped electrodes 13 extending radially around resonator electrodes 12A and 12B are provided on front surface 11A and back surface 11B of dielectric substrate 11 respectively.
- the front ends of the strip-shaped electrodes 13, 14 are short-circuited in a simulated manner, and the electric field can be concentrated between the resonator electrodes 12A, 12B. Therefore, in the present embodiment, the magnetic field energy can be confined, and the radiation of the electromagnetic field can be suppressed.
- a resonator device provided with the strip electrodes 13 and 14 and a resonator device provided with the strip electrodes 13 and 14 were omitted.
- Each case is assumed to be housed in a cavity 15, which has a substantially rectangular box shape (space) (see Fig. 7).
- the variation rate of the resonance frequency when the spatial height h above the cavity 15 (on the surface 11A side of the dielectric substrate 11) is changed using three-dimensional electromagnetic field simulation A f / fO was calculated. The result is shown in FIG.
- the dielectric substrate 11 is arranged in a floating state at the center of the cavity 15. In practice, the dielectric substrate 11 is placed on a support made of a low dielectric constant material so as not to affect the resonance characteristics of the TM010 mode resonator 12.
- the spatial height dimension h of the cavity 15 when the strip electrodes 13 and 14 are provided as in the present embodiment is larger than when the strip electrodes 13 and 14 are omitted. It can be seen that the variation of the resonance frequency f0 is small even when is changed. In other words, the radiation of the electromagnetic field is smaller when the strip electrodes 13 and 14 are provided than when the strip electrodes 13 and 14 are omitted, so that the influence of the cavity 15 is considered to be less. The suppression effect was confirmed.
- a plurality of strip-shaped electrodes 13 and 14 extending radially around the resonator electrodes 12A and 12B are provided on the front surface 11A and the back surface 11B of the dielectric substrate 11 in the present embodiment. Since the lengths L of the strip-shaped electrodes 13 and 14 are set to 1Z4, which is a wavelength according to the resonance frequency; lg, the tip ends of the strip-shaped electrodes 13 and 14 can be pseudo-short-circuited. At this time, since the plurality of radially arranged strip-shaped electrodes 13 and 14 surround the resonator electrodes 12A and 12B, the electromagnetic field formed between the resonator electrodes 12A and 12B is changed to a strip forming a short-circuited end.
- Total reflection can be performed on the tip side of the shape electrodes 13 and 14, and the energy confinement can be enhanced. As a result, even if the thickness t of the dielectric substrate 11 is increased, the radiation of the electromagnetic field between the resonator electrodes 12A and 12B can be suppressed, so that the conductor loss Qc and the radiation loss Qr And the unloaded Q (Qo) of the TM010 mode resonator 12 can be increased.
- the interval P1 between the adjacent strip electrodes 13 and 14 is set to be 1/4 or less (Pl ⁇ gZ4) of the wavelength g based on the resonance frequency, electromagnetic waves are generated between the adjacent strip electrodes 13 and 14. The leakage of the field can be prevented, and the energy confinement can be improved.
- the length dimension L of the strip-shaped electrodes 13 and 14 is set to 1Z4 of a wavelength determined by the resonance frequency; lg, and the tip sides of the strip-shaped electrodes 13 and 14 are simulated.
- the configuration was such that a short circuit occurred.
- the present invention is not limited to this.
- the length of the strip electrode may be set to 1 ⁇ 2 of the wavelength ⁇ g based on the resonance frequency, and the tip side of the strip electrode may be pseudo-open.
- the length of the strip-shaped electrode is not limited to these values, and may be any value as long as the tip side thereof is pseudo short-circuited or opened.
- the configuration is such that the substantially rectangular (rectangular) strip electrodes 13 and 14 are used.
- the present invention is not limited to this.
- a substantially triangular strip electrode 21 a substantially rhombic strip electrode 22, a substantially base Shaped strip electrode 23, substantially hexagonal strip electrode 24, substantially pentagonal strip electrode 25, substantially elongated hole-shaped strip electrode 26 with both ends in an arc shape, substantially elliptical strip electrode It is good also as composition using 27 etc. respectively.
- FIGS. 16 and 17 show a TM010 mode resonator device according to the third embodiment.
- the feature of this embodiment is that the impedance is stepped at an intermediate position in the longitudinal direction of the strip electrode. It is formed in a step impedance type that changes in a shape. Note that, in the present embodiment, the same components as those in the second embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- Reference numeral 31 denotes strip-shaped electrodes provided on the front surface 11A and the back surface 11B of the dielectric substrate 11 so as to surround the resonator electrodes 12A and 12B, respectively.
- a constant gap having a small spacing dimension d is formed between the resonator electrodes 12A and 12B, and a radial gap is formed around the resonator electrodes 12A and 12B.
- a plurality (for example, 24) are arranged.
- the strip-shaped electrode 31 has a substantially cross shape in which a middle position (middle position) in the length direction is wide and both ends are narrow, and the impedance in the length direction changes stepwise.
- the distal end (outermost peripheral end) of the strip electrode 31 is configured to be short-circuited in a pseudo manner.
- the plurality of strip electrodes 31 form an annular short-circuit end surrounding the TM010 mode resonator 12, similarly to the strip electrodes 13 and 14 according to the second embodiment.
- the spacing dimension P1 (pitch) between adjacent strip-shaped electrodes 31 spaced in the circumferential direction is set to 1 ⁇ 4 or less (PI ⁇ g / 4) of the wavelength ⁇ g due to the resonance frequency. Have been.
- the strip-shaped electrodes 31 may be arranged at positions facing each other with the dielectric substrate 11 interposed therebetween, or may be arranged so as to be shifted in the circumferential direction. Further, the number of the strip electrodes 31 may be the same or different from each other.
- the TM010 mode resonator device has the above-described configuration, and the basic operation of the TM010 mode resonator 12 is different from that of the TM010 mode resonator 12 according to the second embodiment. There is no.
- a substantially cross-shaped strip-shaped electrode 31 whose impedance changes stepwise at an intermediate position in the length direction is used, for example, a substantially rectangular electrode as in the second embodiment is used.
- the force S for shortening the dimension in the length direction can be obtained. For this reason, the whole resonator device can be reduced in size.
- a substantially cross-shaped strip-shaped electrode 31 is used as the step impedance type.
- the present invention is not limited to this.
- a substantially dumbbell-shaped strip electrode 32 in which both ends in the length direction are wide and the middle position is narrow is used. May be used.
- a configuration may be adopted in which a strip-shaped electrode 33 having a substantially T-shape in which one end in the length direction is wide and the other portion is narrow.
- the strip-shaped electrodes 13, 14, 2127, and 3133 are provided on both the front surface 11 A and the rear surface 11 B of the dielectric substrate 11.
- the present invention is not limited to this.
- one of the front surface and the back surface of the dielectric substrate may be used. It is also possible to provide a strip-shaped electrode only on the surface. In this case, the radiation suppression effect of the electromagnetic field is considered to be halved.
- each of the resonator electrodes 2A, 2B, 12A, and 12B of the TM010 mode resonators 2 and 12 is formed in a circular shape. It is sufficient if one of them is circular.
- the dielectric substrates 1 and 11 of the TM010 mode resonator device have a rectangular shape. However, other shapes such as a circular shape and an elliptical shape may be used. May be formed.
- FIGS. 20 and 21 show a fourth embodiment of the present invention.
- the feature of this embodiment lies in that an oscillator device is configured using a TM010 mode resonator device. Note that, in the present embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- Reference numeral 41 denotes an oscillation circuit board made of a dielectric material.
- the oscillation circuit board 41 is made of, for example, a ceramic material or resin having a lower dielectric constant than the dielectric substrate 1 of the TM010 mode resonator device 56. It is formed using a material or the like, and has a substantially rectangular flat plate shape.
- Reference numeral 42 denotes an oscillation circuit section provided on the surface of an oscillation circuit board 41.
- the oscillation circuit section 42 includes a field effect transistor 43 (hereinafter, referred to as an FET 43), a microstrip line 44, a bias circuit 45, and the like. ing.
- the oscillation circuit section 42 is supplied with a power supply voltage through a power supply terminal 41A, oscillates a signal having a predetermined oscillation frequency set by the TM010 mode resonator 2, and outputs this signal through an output terminal 41B. I have.
- the gate terminal G of the FET 43 is connected to the base end side of the microstrip line 44.
- the source terminal S of the FET 43 is connected to a bias circuit 45 on the source side and to an inductive stub 46 as an inductor for controlling a feedback frequency.
- the drain terminal D of the FET 43 is connected to a power supply terminal 41A via a filter circuit 47 including an inductive stub 47A and a capacitor 47B and a bias resistor 48, and serves to cut off a DC component. It is connected to output terminal 41B via coupled line 49. Further, a capacitor 50 for removing surge is connected to the power supply terminal 41A.
- a terminating resistor 51 is connected to the tip side of the microstrip line 44, At an intermediate position in the vertical direction, the T-shaped branch extends in a substantially T-shape toward the dielectric substrate 1 described later, and the front end thereof is an excitation electrode 44 for exciting the ⁇ 010 mode resonator 2 ⁇ .
- Reference numeral 52 denotes a frequency control circuit section provided on the surface of the oscillation circuit board 41.
- the frequency control circuit section 52 is disposed on the opposite side of the oscillation circuit section 42 with the dielectric substrate 1 interposed therebetween.
- the frequency control circuit section 52 includes a microstrip line 53 having one end located near the TM010 mode resonator 2 and a variable capacitance diode 54 serving as a modulation element connected to the other end of the microstrip line 53. (Varactor diode).
- variable capacitance diode 54 has a power source terminal connected to the microstrip line 53 and an anode terminal connected to the ground.
- a control input terminal 41C is connected to a force source terminal of the variable capacitance diode 54 via an inductive stub 55 forming a choke coil.
- the tip side of the microstrip line 53 is an excitation electrode 53 # for exciting the TM010 mode resonator 2.
- the frequency control circuit 52 controls the oscillation frequency (resonance frequency) by changing the capacitance of the variable capacitance diode 54 in accordance with the control voltage applied to the control input terminal 41C. .
- Reference numeral 56 denotes a TM010 mode resonator device according to the first embodiment provided between the oscillation circuit unit 42 and the frequency control circuit unit 52.
- the dielectric substrate 1 of the TM010 mode resonator device 56 includes: It is located between the oscillation circuit section 42 and the frequency control circuit section 52 and is mounted on the surface side of the oscillation circuit board 41 in a stacked manner.
- the resonator electrode 2 ⁇ provided on the back side of the dielectric substrate 1 among the resonator electrodes 2 ⁇ and 2 ⁇ of the TM010 mode resonator 2 is a land (not shown) provided on the surface of the oscillation circuit board 41. ) Is connected to the ground.
- the TM010 mode resonator 2 is connected to the oscillation circuit section 42 and the frequency control circuit section 52 via the excitation electrodes 44 # and 53 # of the microstrip lines 44 and 53.
- the oscillator device has the above-described configuration, and its operation will be described next.
- the gate terminal G of the FET 43 A signal corresponding to the resonance frequency of mode resonator 2 is input.
- the oscillation circuit section 42 and the TM010 mode resonator device 56 constitute a band reflection type oscillation circuit, so that the FET 43 amplifies a signal corresponding to the resonance frequency of the TM010 mode resonator 2 and connects the output terminal 41B to the output terminal 41B. Output to the outside through.
- the frequency control circuit section 52 composed of the variable capacitance diode 54 is connected to the TM010 mode resonator device 56, the TM010 mode resonance is performed in accordance with the value of the control voltage applied to the control input terminal 41C.
- the resonance frequency of the container 2 can be set variably.
- the entire oscillator device functions as a voltage controlled oscillator (VC ⁇ ).
- the oscillator device is configured using 56, the electromagnetic field of the TM010 mode resonator 2 can be suppressed from being radiated to the outside.
- the cavity surrounding the TM010 mode resonator device 56 can be omitted. Therefore, the height and simplification of the oscillator device can be reduced, and the manufacturing cost can be reduced.
- the TM010 mode resonator device according to the first embodiment is used as the TM010 mode resonator device 56.
- a configuration using a TM010 mode resonator device may be adopted.
- FIG. 22 shows a fifth embodiment of the present invention.
- This embodiment is characterized in that a communication as a transmission / reception device is performed using an oscillator device having the TM010 mode resonator device of the present invention. Machine device.
- Reference numeral 61 denotes a communication device according to the present embodiment.
- the communication device 61 includes, for example, a signal processing circuit 62 and a high-frequency module 63 connected to the signal processing circuit 62 to output or input a high-frequency signal. And an antenna 65 that is connected to the high-frequency module 63 and transmits or receives a high-frequency signal via an antenna duplexer 64 (duplexer).
- a signal processing circuit 62 and a high-frequency module 63 connected to the signal processing circuit 62 to output or input a high-frequency signal.
- an antenna 65 that is connected to the high-frequency module 63 and transmits or receives a high-frequency signal via an antenna duplexer 64 (duplexer).
- the high-frequency module 63 is transmitted by a band-pass filter 66, an amplifier 67, a mixer 68, a band-pass filter 69, and a power amplifier 70 connected between the output side of the signal processing circuit 62 and the antenna duplexer 64.
- the receiving side is constituted by the band-pass filter 74 and the amplifier 75.
- An oscillator device 76 using the TM010 mode resonator device of the present invention as in the fourth embodiment is connected to the mixers 68 and 73, for example.
- the communication device has the above-described configuration, and the operation thereof will be described next.
- the intermediate frequency signal (IF signal) output from the signal processing circuit 62 is filtered by a band-pass filter 66 to remove unnecessary signals, amplified by an amplifier 67 and input to a mixer 68. Is done.
- the mixer 68 multiplies the intermediate frequency signal by the carrier wave from the oscillator device 76 to up-convert it to a high frequency signal (RF signal).
- the high-frequency signal output from the mixer 68 is subjected to removal of unnecessary signals by a band-pass filter 69, amplified by a power amplifier 70 to transmission power, and then transmitted to an antenna 65 through an antenna duplexer 64. Sent from
- the high-frequency signal received from antenna 65 is input to bandpass filter 71 via antenna duplexer 64.
- the high-frequency signal is amplified by the low-noise amplifier 72 and input to the mixer 73 after the unnecessary signal is removed by the band-pass filter 71.
- the mixer 73 multiplies the high-frequency signal by a carrier wave from the oscillator device 76 to down-convert to an intermediate frequency signal.
- the intermediate frequency signal output from the mixer 73 is filtered by a band-pass filter 74 to remove unnecessary signals, amplified by an amplifier 75, and then input to a signal processing circuit 62.
- the communication device is configured using the oscillator device 76 including the TM010 mode resonator device of the present invention in which radiation is suppressed, the structure of the oscillator device 76 is reduced. It can be simplified and the manufacturing cost of the entire communication device can be reduced.
- the case where the oscillator device 76 using the TM010 mode resonator device according to the present invention is applied to the communication device 61 has been described as an example. May be applied.
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- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005511508A JPWO2005006483A1 (ja) | 2003-07-10 | 2004-07-05 | Tmo10モード共振器装置、発振器装置および送受信装置 |
US10/560,384 US20060132261A1 (en) | 2003-07-10 | 2004-07-05 | Tm010 mode resonator, oscillator and transceiver |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003195212 | 2003-07-10 | ||
JP2003-195212 | 2003-07-10 |
Publications (1)
Publication Number | Publication Date |
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WO2005006483A1 true WO2005006483A1 (ja) | 2005-01-20 |
Family
ID=34055715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/009539 WO2005006483A1 (ja) | 2003-07-10 | 2004-07-05 | Tm010モード共振器装置、発振器装置および送受信装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060132261A1 (ja) |
JP (1) | JPWO2005006483A1 (ja) |
WO (1) | WO2005006483A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014115213A1 (ja) | 2013-01-24 | 2014-07-31 | 日本電気株式会社 | 誘電体共振器、誘電体フィルタ及び誘電体デュプレクサ |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101385427B1 (ko) * | 2012-08-22 | 2014-04-14 | 주식회사 에이스테크놀로지 | 도전체 기둥을 이용한 공진 필터 |
WO2018148615A1 (en) | 2017-02-11 | 2018-08-16 | Mumec, Inc. | Super-regenerative transceiver with improved frequency discrimination |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6271305A (ja) * | 1985-09-24 | 1987-04-02 | Murata Mfg Co Ltd | 誘電体共振器 |
JPH09246821A (ja) * | 1996-03-12 | 1997-09-19 | Murata Mfg Co Ltd | 誘電体共振器および帯域通過フィルタ |
JPH1098316A (ja) * | 1996-09-25 | 1998-04-14 | Murata Mfg Co Ltd | 誘電体共振器及び誘電体フィルタ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4327342A (en) * | 1980-07-10 | 1982-04-27 | U.S. Philips Corporation | Bandstop filter for very high frequency transmission lines and biassing circuit for a very high frequency transistor comprising this filter |
US5400002A (en) * | 1992-06-12 | 1995-03-21 | Matsushita Electric Industrial Co., Ltd. | Strip dual mode filter in which a resonance width of a microwave is adjusted and dual mode multistage filter in which the strip dual mode filters are arranged in series |
US5914296A (en) * | 1997-01-30 | 1999-06-22 | E. I. Du Pont De Nemours And Company | Resonators for high power high temperature superconducting devices |
-
2004
- 2004-07-05 US US10/560,384 patent/US20060132261A1/en not_active Abandoned
- 2004-07-05 WO PCT/JP2004/009539 patent/WO2005006483A1/ja active Application Filing
- 2004-07-05 JP JP2005511508A patent/JPWO2005006483A1/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6271305A (ja) * | 1985-09-24 | 1987-04-02 | Murata Mfg Co Ltd | 誘電体共振器 |
JPH09246821A (ja) * | 1996-03-12 | 1997-09-19 | Murata Mfg Co Ltd | 誘電体共振器および帯域通過フィルタ |
JPH1098316A (ja) * | 1996-09-25 | 1998-04-14 | Murata Mfg Co Ltd | 誘電体共振器及び誘電体フィルタ |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014115213A1 (ja) | 2013-01-24 | 2014-07-31 | 日本電気株式会社 | 誘電体共振器、誘電体フィルタ及び誘電体デュプレクサ |
EP2950384A4 (en) * | 2013-01-24 | 2016-09-21 | Nec Corp | DIELECTRIC RESONATOR, DIELECTRIC FILTER AND DIELECTRIC DUPLEXER |
JP6011642B2 (ja) * | 2013-01-24 | 2016-10-19 | 日本電気株式会社 | 誘電体共振器、誘電体フィルタ及び誘電体デュプレクサ |
US9859600B2 (en) | 2013-01-24 | 2018-01-02 | Nec Corporation | Substrate having conductive and non-conductive through holes forming a resonant portion usable as a dielectric resonator, filter and duplexer |
Also Published As
Publication number | Publication date |
---|---|
US20060132261A1 (en) | 2006-06-22 |
JPWO2005006483A1 (ja) | 2006-11-24 |
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