CN101958450A - Interior coupled structure in surface-mounted coupler - Google Patents
Interior coupled structure in surface-mounted coupler Download PDFInfo
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- CN101958450A CN101958450A CN2010101842367A CN201010184236A CN101958450A CN 101958450 A CN101958450 A CN 101958450A CN 2010101842367 A CN2010101842367 A CN 2010101842367A CN 201010184236 A CN201010184236 A CN 201010184236A CN 101958450 A CN101958450 A CN 101958450A
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Abstract
The invention relates to an interior coupled structure in a surface-mounted coupler. An inner-layer upper layer and an inner-layer lower layer are both equipped with parallel-connection grounding capacitance micro-strips, the parallel-connection grounding capacitance micro-strip of the inner-layer upper layer extends to be parallel with the micro-strip coupling line of the inner-layer upper layer in a zone adjacent to the inner-layer upper layer, and the parallel-connection grounding capacitance micro-strip of the inner-layer lower layer extends to be parallel with the micro-strip coupling line of the inner-layer lower layer in a zone adjacent to the inner-layer lower layer; the extended grounding conductor line segment of the inner-layer upper layer is parallel with the micro-strip coupling line of the inner-layer upper layer in the zone adjacent to the inner-layer upper layer, the extended grounding conductor line segment of the inner-layer lower layer is parallels with the micro-strip coupling line of the inner-layer lower layer in the zone adjacent to the inner-layer lower layer, the extended grounding conductor line segments of the inner-layer upper layer and the inner-layer lower layer are connected with each other through butterfly-shaped coating full access holes, meanwhile a top grounding conductor layer is connected with a bottom grounding conductor layer. A part of electromagnetic waves realizing the coupling of two broad transmission line segments are coupled with the extended parallel-connection capacitance micro-strip grounding conductors to control the coupling level so that the whole coupling level is reduced, and the amplitude balance value is improved.
Description
Technical field
The present invention relates to a kind of surface-adhered type coupler component, relate in particular to coupled structure in surface-adhered type orthogonal mixer and the directional couple device.
Background technology
The surface-adhered type coupler is widely used in the microwave communication system.A key parameter is exactly an amplitude balance in the quadrature hybrid coupler design, can be used for measuring the poor of power between two output ports of this device, and the parameter value of desirable quadrature hybrid coupler is 0 decibel.Yet the actual margin equilibrium valve is greater than 0 decibel of ideal value, and changes to some extent in operating frequency range.The amplitude balance value is main relevant with the coupled transfer line width.The coupled transfer line segment is wide more, and matching effect improves, and usually return loss performance is also just good more, but it is not ideal to produce amplitude balance value, therefore will make a kind of compromise state of maintenance between the actual ghosts loss of device port and the amplitude balance value at present.
Typical surface-adhered type coupler component is made of multilayer dielectric layer, and banded microstrip line broadside and the core dielectric wherein transmission line section on one side are coupled.The dielectric layer of this device is sandwiched between two ground conductor plane on top surface and the lower surface, uses many castellation coating all-pass guide holes that it is connected with each other.Castellation coating all-pass guide hole also can install outer signal pins with conductor internal layer and this and link to each other, and as device electrical wiring port, is connected with circuit board or external system.Outer signal pin and ground conductor plane electrical isolation.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, inner couplings structure in a kind of surface-adhered type coupler is provided.
Purpose of the present invention is achieved through the following technical solutions:
Inner couplings structure in the surface-adhered type coupler, internal layer upper strata and internal layer lower floor are between top grounding conductor layer and bottom grounding conductor layer, characteristics are: described internal layer upper strata and internal layer lower floor are equipped with the little band of ground capacity in parallel, the internal layer upper strata little band of ground capacity in parallel extends to the microstrip coupled line in internal layer upper strata in its adjacent domain and parallels, and the internal layer lower floor little band of ground capacity in parallel extends to the microstrip coupled line of internal layer lower floor in its adjacent domain and parallels.
Further, inner couplings structure in the above-mentioned surface-adhered type coupler, wherein, described internal layer upper strata and internal layer lower floor are equipped with extends the earthing conductor line segment, the internal layer upper strata is extended the interior microstrip coupled line in internal layer upper strata of earthing conductor line segment and its adjacent domain and is paralleled, internal layer lower floor extends the earthing conductor line segment and parallels with the microstrip coupled line of internal layer lower floor in its adjacent domain, and the internal layer upper strata is extended the earthing conductor line segment and all linked to each other with castellation coating all-pass guide hole along its length with internal layer lower floor extension earthing conductor line segment the top grounding conductor layer is connected with the bottom grounding conductor layer.
Further, inner couplings structure in the above-mentioned surface-adhered type coupler, wherein, there is a pair of extension earthing conductor line segment on described internal layer upper strata, and there is a pair of extension earthing conductor line segment in described internal layer lower floor.
Substantive distinguishing features and obvious improvement that technical solution of the present invention is outstanding are mainly reflected in:
1. adopt the little band of shunt capacitance, be used for the impedance of each port of trim, thereby improve the return loss performance of device, the amplitude balance of control device;
2. adopt and extend the earthing conductor line segment, do not utilize the little band of shunt capacitance to reduce coupling effect, be directly applied for directional coupler, do not change the return loss performance of device, only be used for the span of control limit of control balance parameters;
3. the amplitude balance parameter of control surface mounted type coupler component, and can not influence its return loss performance, so just can design the device of superior performance; This invention relates to the control of the degree of coupling in the surface-adhered type coupler, and the ability of span of control limit of control balance parameters can guarantee that design process possesses big flexibility, can help to design the high-performance coupler, and can improve the predictive ability of device performance level.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: structural representation of the present invention;
Fig. 2: the structural representation of the another kind of form of the present invention.
The implication of each Reference numeral sees the following form among the figure:
| Reference numeral | Implication | Reference numeral | Implication | Reference numeral | Implication |
| 1 | The top grounding conductor layer | 1a | The top layer signals input/ |
2 | The microstrip coupled line in internal layer |
| 2a | The little band of internal layer upper strata ground capacity in parallel | 2b | The earthing conductor line segment is extended on the internal layer |
3 | The microstrip coupled line of internal layer |
| 3a | The little band of internal layer lower floor ground capacity in parallel | 3b | The earthing conductor line segment extends in internal layer |
4 | The bottom |
| 4a | The bottom layer signal input/output pads |
Embodiment
As shown in Figure 1, inner couplings structure in the surface-adhered type coupler, top grounding conductor layer 1 coupling top layer signals input/output pads 1a, grounding conductor layer 4 coupling bottom layer signal input/output pads 4a in bottom form input/output port.Internal layer upper strata and internal layer lower floor are between top grounding conductor layer 1 and bottom grounding conductor layer 4, the internal layer upper strata is provided with the little band of ground capacity in parallel 2a, internal layer lower floor is provided with the little band of ground capacity in parallel 3a, the little band of internal layer upper strata ground capacity in parallel 2a extends to the microstrip coupled line 2 in internal layer upper strata in its adjacent domain and parallels, and the little band of internal layer lower floor ground capacity in parallel 3a extends to the microstrip coupled line 3 of internal layer lower floor in its adjacent domain and parallels.
As shown in Figure 2, internal layer upper strata 1 and internal layer lower floor 4 are equipped with extends the earthing conductor line segment, the internal layer upper strata is extended the interior microstrip coupled line 2 in internal layer upper strata of earthing conductor line segment 2b and its adjacent domain and is paralleled, internal layer lower floor extends earthing conductor line segment 3b and parallels with the microstrip coupled line 3 of internal layer lower floor in its adjacent domain, and the internal layer upper strata is extended earthing conductor line segment 2b and all linked to each other with castellation coating all-pass guide hole along its length with the extension earthing conductor line segment 3b of internal layer lower floor top grounding conductor layer 1 is connected with bottom grounding conductor layer 4; By castellation coating all-pass guide hole it is interconnected, castellation coating all-pass guide hole links to each other the top grounding conductor layer simultaneously with the bottom grounding conductor layer.Internal layer upper strata extension earthing conductor line segment 2b has a pair of, and earthing conductor line segment 3b extends in internal layer lower floor to be had a pair of.Be applicable to the version of directional coupler, and these couplers generally comprise a pair of border coupled transmission line and be positioned at the internal layer levels.
Adopt the little band of shunt capacitance, be used for the impedance of each port of trim, improve the return loss performance of device.Shunt capacitance is little is with shared above-mentioned castellation coating all-pass guide hole, and these guide holes then interconnect little zone face of top ground capacity and the little zone face of bottom ground capacity.Shunt capacitance microstrip type formula guarantees in every coupled transmission line adjacent domain parallel with these transmission lines.Adopt this technology, can be with the electromagnetic wave part and the little band earthing conductor coupling of extension shunt capacitance of above-mentioned two broadside transmission line section coupling, so whole degree of coupling will reduce, thereby cause the amplitude balance value to reduce, keeping identical return loss performance simultaneously, the amplitude balance of may command device.
Adopt and extend the earthing conductor line segment, link to each other with castellation coating all-pass guide hole, rather than utilize the little band of shunt capacitance to reduce coupling effect along the device length direction.This structure also is directly applied for directional coupler, and two coupled transfer line segments are usually placed in the coupled mode of coplane border.This structure does not change the return loss performance of device, only is used for the span of control limit of control balance parameters.
Be applicable to orthogonal mixer and surface-adhered type directional couple device, proof can be controlled the degree of coupling, can not influence the return loss response characteristic of device, by this, can use the earthing conductor that forms in the multilayer board coupler device internal layer, increase coupling between every transmission lines and the ground plane by controlled manner, improve the amplitude balance characteristic of the degree of coupling between two coupled transmission lines.Therefore, between return loss and amplitude balance, can access the state of trade-off of performance usually.One group of little band of electric capacity is generally used for degree of coupling design, and design mainly adopts broadside coupled transmission line section, thereby improves the port match effect, the earthing conductor length of extension in every coupled transmission line adjacent domain with these transmission line keeping parallelisms.Extend earthing conductor, link to each other with coating all-pass guide hole, these guide holes then couple together top device grounding conductor layer and bottom grounding conductor layer, and in every broadside coupled transmission line adjacent domain with these transmission line keeping parallelisms.
In sum, the present invention designs uniqueness, novel structure, relates to the control of the degree of coupling in the surface-adhered type coupler, and the ability of this span of control limit of control balance parameters can guarantee that design process possesses big flexibility.The technical overview that this invention is described can help to design the high-performance coupler, and can improve the predictive ability of device performance level.Adopt said method, the amplitude balance parameter of control surface mounted type coupler component, and can not influence its return loss performance, so just can design the device of superior performance.
What need understand is: the above only is a preferred implementation of the present invention; engineers and technicians for the present technique field; under the prerequisite that does not deviate from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. inner couplings structure in the surface-adhered type coupler, internal layer upper strata and internal layer lower floor are between top grounding conductor layer and bottom grounding conductor layer, it is characterized in that: described internal layer upper strata and internal layer lower floor are equipped with the little band of ground capacity in parallel, the internal layer upper strata little band of ground capacity in parallel extends to the microstrip coupled line in internal layer upper strata in its adjacent domain and parallels, and the internal layer lower floor little band of ground capacity in parallel extends to the microstrip coupled line of internal layer lower floor in its adjacent domain and parallels.
2. inner couplings structure in the surface-adhered type coupler according to claim 1, it is characterized in that: described internal layer upper strata and internal layer lower floor are equipped with extends the earthing conductor line segment, the internal layer upper strata is extended the interior microstrip coupled line in internal layer upper strata of earthing conductor line segment and its adjacent domain and is paralleled, internal layer lower floor extends the earthing conductor line segment and parallels with the microstrip coupled line of internal layer lower floor in its adjacent domain, and the internal layer upper strata is extended the earthing conductor line segment and all linked to each other with castellation coating all-pass guide hole along its length with internal layer lower floor extension earthing conductor line segment the top grounding conductor layer is connected with the bottom grounding conductor layer.
3. inner couplings structure in the surface-adhered type coupler according to claim 2 is characterized in that: there is a pair of extension earthing conductor line segment on described internal layer upper strata, and there is a pair of extension earthing conductor line segment in described internal layer lower floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101842367A CN101958450A (en) | 2010-05-27 | 2010-05-27 | Interior coupled structure in surface-mounted coupler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101842367A CN101958450A (en) | 2010-05-27 | 2010-05-27 | Interior coupled structure in surface-mounted coupler |
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| CN101958450A true CN101958450A (en) | 2011-01-26 |
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| CN2010101842367A Pending CN101958450A (en) | 2010-05-27 | 2010-05-27 | Interior coupled structure in surface-mounted coupler |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066364A (en) * | 2012-12-28 | 2013-04-24 | 成都泰格微电子研究所有限责任公司 | Surface mounting microwave component feed point coupling circuit and standing wave and isolating control method thereof |
| CN103943931A (en) * | 2014-04-26 | 2014-07-23 | 陈其钗 | C-waveband coupler with shielded lines |
| CN103943932A (en) * | 2014-04-26 | 2014-07-23 | 陈其钗 | C-waveband quadrature electric bridge with rectangular notches |
| CN103943929A (en) * | 2014-04-26 | 2014-07-23 | 陈其钗 | C-waveband quadrature electric bridge with shielded lines |
| CN103943933A (en) * | 2014-04-26 | 2014-07-23 | 陈其钗 | C-waveband coupler with rectangular notches |
| CN104157947A (en) * | 2014-08-06 | 2014-11-19 | 武汉中元通信股份有限公司 | Strip-shaped three-dimensional layout topology structure of V-waveband and high-power broadband 3dB quadrature coupler |
| CN104577289A (en) * | 2013-10-22 | 2015-04-29 | 株式会社村田制作所 | Directional coupler |
| WO2018231638A1 (en) * | 2017-06-13 | 2018-12-20 | Raytheon Company | Quadrature coupler |
| CN113945876A (en) * | 2020-07-15 | 2022-01-18 | 西门子(深圳)磁共振有限公司 | Hybrid quadrature signal generator, coil transmission front-end device, radio frequency coil system and magnetic resonance imaging system |
| US11239326B2 (en) | 2017-09-25 | 2022-02-01 | Raytheon Company | Electrode structure for field effect transistor |
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| US5359304A (en) * | 1991-11-27 | 1994-10-25 | Murata Manufacturing Co., Ltd. | Chip type directional coupler |
| CN1373533A (en) * | 2000-12-19 | 2002-10-09 | 三星电机株式会社 | Multilayer chiop directional coupler |
| CN1964595A (en) * | 2006-11-27 | 2007-05-16 | 华为技术有限公司 | A matching capacitor and PCB using same and impedance matching device |
| CN200997602Y (en) * | 2006-09-28 | 2007-12-26 | 华为技术有限公司 | Coupler and double-side PCB |
| CN201708239U (en) * | 2010-05-27 | 2011-01-12 | 世达普(苏州)通信设备有限公司 | Internal coupling structure in surface mount coupler |
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- 2010-05-27 CN CN2010101842367A patent/CN101958450A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5359304A (en) * | 1991-11-27 | 1994-10-25 | Murata Manufacturing Co., Ltd. | Chip type directional coupler |
| CN1373533A (en) * | 2000-12-19 | 2002-10-09 | 三星电机株式会社 | Multilayer chiop directional coupler |
| CN200997602Y (en) * | 2006-09-28 | 2007-12-26 | 华为技术有限公司 | Coupler and double-side PCB |
| CN1964595A (en) * | 2006-11-27 | 2007-05-16 | 华为技术有限公司 | A matching capacitor and PCB using same and impedance matching device |
| CN201708239U (en) * | 2010-05-27 | 2011-01-12 | 世达普(苏州)通信设备有限公司 | Internal coupling structure in surface mount coupler |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066364A (en) * | 2012-12-28 | 2013-04-24 | 成都泰格微电子研究所有限责任公司 | Surface mounting microwave component feed point coupling circuit and standing wave and isolating control method thereof |
| CN103066364B (en) * | 2012-12-28 | 2015-04-15 | 成都泰格微电子研究所有限责任公司 | Surface mounting microwave component feed point coupling circuit and standing wave and isolating control method thereof |
| CN104577289A (en) * | 2013-10-22 | 2015-04-29 | 株式会社村田制作所 | Directional coupler |
| CN107681244A (en) * | 2014-04-26 | 2018-02-09 | 安溪县海宏生物科技有限公司 | A kind of C-band coupler with rectangular indentation |
| CN103943931A (en) * | 2014-04-26 | 2014-07-23 | 陈其钗 | C-waveband coupler with shielded lines |
| CN103943932A (en) * | 2014-04-26 | 2014-07-23 | 陈其钗 | C-waveband quadrature electric bridge with rectangular notches |
| CN103943929A (en) * | 2014-04-26 | 2014-07-23 | 陈其钗 | C-waveband quadrature electric bridge with shielded lines |
| CN103943933A (en) * | 2014-04-26 | 2014-07-23 | 陈其钗 | C-waveband coupler with rectangular notches |
| CN103943929B (en) * | 2014-04-26 | 2017-11-10 | 陈振德 | A kind of C-band quadrature bridge with shielding line |
| CN103943933B (en) * | 2014-04-26 | 2017-12-01 | 陈振德 | A kind of C-band coupler with rectangular indentation |
| CN103943931B (en) * | 2014-04-26 | 2017-12-01 | 重庆市木越机械制造有限公司 | A kind of C-band coupler with shielding line |
| CN103943932B (en) * | 2014-04-26 | 2017-12-19 | 陈振德 | A kind of C-band quadrature bridge with rectangular indentation |
| CN104157947A (en) * | 2014-08-06 | 2014-11-19 | 武汉中元通信股份有限公司 | Strip-shaped three-dimensional layout topology structure of V-waveband and high-power broadband 3dB quadrature coupler |
| WO2018231638A1 (en) * | 2017-06-13 | 2018-12-20 | Raytheon Company | Quadrature coupler |
| US10374280B2 (en) | 2017-06-13 | 2019-08-06 | Raytheon Company | Quadrature coupler |
| KR20200003205A (en) * | 2017-06-13 | 2020-01-08 | 레이던 컴퍼니 | Quadrature Coupler |
| KR102288587B1 (en) | 2017-06-13 | 2021-08-10 | 레이던 컴퍼니 | quadrature coupler |
| US11239326B2 (en) | 2017-09-25 | 2022-02-01 | Raytheon Company | Electrode structure for field effect transistor |
| CN113945876A (en) * | 2020-07-15 | 2022-01-18 | 西门子(深圳)磁共振有限公司 | Hybrid quadrature signal generator, coil transmission front-end device, radio frequency coil system and magnetic resonance imaging system |
| CN113945876B (en) * | 2020-07-15 | 2024-02-20 | 西门子(深圳)磁共振有限公司 | Hybrid quadrature signal generator, coil transmit front-end device, radio frequency coil system, and magnetic resonance imaging system |
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Application publication date: 20110126 |