CN106374846A - Phase compensation method and device - Google Patents
Phase compensation method and device Download PDFInfo
- Publication number
- CN106374846A CN106374846A CN201510444702.3A CN201510444702A CN106374846A CN 106374846 A CN106374846 A CN 106374846A CN 201510444702 A CN201510444702 A CN 201510444702A CN 106374846 A CN106374846 A CN 106374846A
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- CN
- China
- Prior art keywords
- microstrip line
- reactance component
- phase compensation
- phase
- phase shifts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
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Abstract
The invention discloses a phase compensation method and device. The method comprises the steps of determining different phase shifts by variation of the position of a reactance component connected with a microstrip line in parallel on the microstrip line, wherein the microstrip line is a section of transmission line for transmitting high frequency signals, and the reactance component is an inductor or a capacitor; and performing phase compensation processing by the determined different phase shifts. According to the method and device provided by the invention, the problem that in related technologies, the phase compensation method is high in research and development cost due to multiple times of revision is solved, and thus maximal performance output is achieved, the times of revision is reduced, and the research and development cost is reduced.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of phase compensating method and device.
Background technology
In the face of the market competition increasingly fierce at present, the performance height of base station products is the principal focal point competing in the industry, power
As the important component part of base station, direct relation quality and the communication efficiency of transmission signal to amplifying unit.Put in power
In especially doherty amplification link in big link, phase compensation is essential.
Traditional doherty power amplifier structure is formed to multiple power tubes by 2: is divided into main power amplifier and auxiliary power amplifier.
Main power tube is in ab class working condition.Auxiliary power amplifier is in c class working condition.Auxiliary power amplifier is when small-signal exports
It is off state, the saturation output in big signal.Fig. 1 is one of correlation technique typical two-way doherty electricity
The schematic diagram on road, as shown in figure 1, in traditional doherty circuit design for general power output when ensureing big signal,
Need the phase place of two-way to be compensated using one section of offset (offset2) line in input work power.
There is a problem of that correcting often leads to R＆D costs high for phase compensating method in correlation technique, also do not propose to have
The solution of effect.
Content of the invention
The invention provides a kind of phase compensating method and device, existed with least solving phase compensating method in correlation technique
Correcting often leads to the high problem of R＆D costs.
According to an aspect of the invention, it is provided a kind of phase compensation device, described device includes: impedance is the micro- of z
Band wire, wherein, described microstrip line is for transmitting the one of high-frequency signal section of transmission line；Reactance with described micro-strip line parallel
Element, wherein, described reactance component is inductance or electric capacity, and change in location on described microstrip line for this reactance component determines
Different phase shifts, carries out phase compensation process by the different phase shifts determining.
Further, described microstrip line is u-shaped or V-shaped.
Further, described reactance component is preset parameter element or adjustable parameter element.
According to a further aspect in the invention, additionally provide a kind of phase compensating method, comprising: by with micro-strip line parallel
Change in location on described microstrip line for the reactance component determines different phase shifts, and wherein, described microstrip line is for transmitting height
One section of transmission line of frequency signal, described reactance component is inductance or electric capacity；Carry out phase compensation by the different phase shifts determining
Process.
Further, described microstrip line is u-shaped or V-shaped.
Further, described reactance component is preset parameter element or adjustable parameter element.
By the present invention, determined not using the change in location on described microstrip line by the reactance component with micro-strip line parallel
Same phase shift, wherein, described microstrip line is for transmitting the one of high-frequency signal section of transmission line, and described reactance component is inductance
Or electric capacity；Carry out phase compensation process by the different phase shifts determining, solve phase compensating method in correlation technique and exist
Correcting often leads to the high problem of R＆D costs, thus realizing maximum performance output, decreases correcting number of times, reduction is ground
Send out cost.
Brief description
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, the present invention
Schematic description and description be used for explaining the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the typical two-way doherty circuit of one of correlation technique；
Fig. 2 is the schematic diagram of phase regulator according to embodiments of the present invention；
Fig. 3 is the flow chart of phase compensating method according to embodiments of the present invention；
Fig. 4 is the schematic diagram of phase regulator according to the preferred embodiment of the invention；
Fig. 5 is the simulation result schematic diagram of phase regulator according to the preferred embodiment of the invention.
Specific embodiment
To describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in the feelings do not conflicted
Under condition, the embodiment in the application and the feature in embodiment can be mutually combined.
Embodiments provide a kind of phase compensation device, this device includes: impedance is the microstrip line of z, wherein,
This microstrip line is for transmitting the one of high-frequency signal section of transmission line, the width of this microstrip line and printed circuit board or printed wire
The dielectric constant of plate (printed circuit board, referred to as pcb), dielectric thickness, signal frequency and impedance z
Related；With the reactance component of this micro-strip line parallel, wherein, this reactance component is inductance or electric capacity, and this reactance component is at this
Change in location on microstrip line determines different phase shifts, carries out phase compensation process by the different phase shifts determining.Fig. 2 is
The schematic diagram of phase regulator according to embodiments of the present invention, as shown in Fig. 2 in circuit, micro-strip phase-shifter is using special
Levy the microstrip line that impedance is z ohm to combine.In figure reactance component and micro-strip line parallel, reactance component design parameter becomes
Change and change in location on the microstrip line can obtain different phase shifts, design parameter and position need according to actual need
Ask and obtained using eda Software simulation calculation.
Further, this microstrip line is u-shaped or V-shaped, and reactance elements can be connected to the shape on micro-strip both sides by other
All can, that is, other can realize the shape of identical function also among the protection domain of the embodiment of the present invention.
Further, this reactance component is preset parameter element or adjustable parameter element.
Phase compensation device provided in an embodiment of the present invention, not only can be in certain model in doherty circuit debugging
Enclose interior two-way phase place is compensated to export thus realizing maximum performance, and this compensation device can reduce correcting number of times,
Reduce R＆D costs.
The embodiment of the present invention additionally provides a kind of phase compensating method, and Fig. 3 is phase compensation side according to embodiments of the present invention
The flow chart of method, as shown in Figure 3, comprising:
Step s302, determines different phases by the change in location on this microstrip line from the reactance component of micro-strip line parallel
Move, wherein, this microstrip line is for transmitting the one of high-frequency signal section of transmission line, this reactance component is inductance or electric capacity；
Step s304, carries out phase compensation process by the different phase shifts determining.
By above-mentioned steps, determined different by the change in location on this microstrip line from the reactance component of micro-strip line parallel
Phase shift, wherein, this microstrip line is for transmitting the one of high-frequency signal section of transmission line, and this reactance component is inductance or electric capacity；
Carry out phase compensation process by the different phase shifts determining, solve phase compensating method in correlation technique and there is correcting number of times
Lead to the high problem of R＆D costs more, thus realizing maximum performance output, decreasing correcting number of times, reducing R＆D costs.
For the problems referred to above present in correlation technique, below so that z is 50 ohm as a example, in conjunction with specifically optional enforcement
Example is further described, and following alternative embodiments combine above-mentioned alternative embodiment and its optional embodiment.
Fig. 4 is the schematic diagram of phase regulator according to the preferred embodiment of the invention, as shown in figure 4, micro-strip phase-shifter is adopted
It is during 50 ohm microstrip when capacitance changes between 0.3p-3p with characteristic impedance, the differential loss maximum -0.048 of microstrip line.
Phase place from -39 to -47 change, change greatly.Fig. 5 is the imitative of phase regulator according to the preferred embodiment of the invention
True result schematic diagram, as shown in figure 5, port Impedance element is in 50 ohms, can be used for phase place in circuit
Adjustment.
Circuit performance can be improved in certain scope using the micro-strip phase-shifter described in the embodiment of the present invention, reduce correcting
Number of times.The present invention can be utilized for example in doherty circuit to calibrate the phase contrast between carrier road and peak road,
Doherty performance not only can be improved, and the pcb correcting avoiding the occurrence of phase deviation and bringing.Above-mentioned phase place is mended
Repay device design circuit structure simple, it is easy to accomplish, and performance is excellent, reliability is high, productivity good, seldom increase pcb
Area, reduces R＆D costs, effectively can realize phase shift in doherty circuit.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general
Realizing, they can concentrate on single computing device computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the executable program code of computing device, it is thus possible to by they
Storage to be executed by computing device in the storage device, and in some cases, can be to hold different from order herein
The shown or described step of row, or they are fabricated to respectively each integrated circuit modules, or will be many in them
Individual module or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware
Combine with software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the technology of this area
For personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any
Modification, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of phase compensation device is it is characterised in that described device includes:
Impedance is the microstrip line of z, and wherein, described microstrip line is for transmitting the one of high-frequency signal section of transmission line；
With the reactance component of described micro-strip line parallel, wherein, described reactance component is inductance or electric capacity, this reactance element
Change in location on described microstrip line for the part determines different phase shifts, carries out phase compensation by the different phase shifts determining
Process.
2. device according to claim 1 is it is characterised in that described microstrip line is u-shaped or V-shaped.
3. device according to claim 1 and 2 it is characterised in that described reactance component be preset parameter element or
Adjustable parameter element.
4. a kind of phase compensating method is it is characterised in that include:
Different phase shifts are determined by the change in location on described microstrip line from the reactance component of micro-strip line parallel, its
In, described microstrip line is for transmitting the one of high-frequency signal section of transmission line, and described reactance component is inductance or electric capacity；
Carry out phase compensation process by the different phase shifts determining.
5. method according to claim 4 is it is characterised in that described microstrip line is u-shaped or V-shaped.
6. the method according to claim 4 or 5 it is characterised in that described reactance component be preset parameter element or
Adjustable parameter element.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510444702.3A CN106374846A (en) | 2015-07-24 | 2015-07-24 | Phase compensation method and device |
| PCT/CN2016/074085 WO2017016215A1 (en) | 2015-07-24 | 2016-02-19 | Phase compensation method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510444702.3A CN106374846A (en) | 2015-07-24 | 2015-07-24 | Phase compensation method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106374846A true CN106374846A (en) | 2017-02-01 |
Family
ID=57880470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510444702.3A Withdrawn CN106374846A (en) | 2015-07-24 | 2015-07-24 | Phase compensation method and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106374846A (en) |
| WO (1) | WO2017016215A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332535A (en) * | 2017-06-26 | 2017-11-07 | 武汉凡谷电子技术股份有限公司 | It is a kind of to be used to adjust the circuit arrangement that microstrip line transmits phase |
| CN113347644A (en) * | 2021-05-31 | 2021-09-03 | 武汉虹信科技发展有限责任公司 | Medium phase shifter signal phase detection method, medium phase shifter and antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0715204A (en) * | 1993-06-25 | 1995-01-17 | Japan Radio Co Ltd | Pin diode phase shifter |
| MD2486F2 (en) * | 2002-02-28 | 2004-06-30 | Фёдор ДРАЧЕНКОВ | Compensation device for the electric power line |
| CN102714341A (en) * | 2012-01-10 | 2012-10-03 | 华为技术有限公司 | Phase shifter and antenna |
| CN103490733A (en) * | 2013-09-26 | 2014-01-01 | 华东交通大学 | Double-frequency-band Doherty power amplifier with frequency ratio of 1.25-2.85 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7233217B2 (en) * | 2001-08-23 | 2007-06-19 | Andrew Corporation | Microstrip phase shifter |
| JP2008187661A (en) * | 2007-01-31 | 2008-08-14 | Nec Electronics Corp | Phase shifter, and bit phase shifter |
| JP5620534B2 (en) * | 2013-03-15 | 2014-11-05 | 有限会社Ｎａｚｃａ | Phase shifter and antenna system |
| CN203521564U (en) * | 2013-10-12 | 2014-04-02 | 江苏亨鑫科技有限公司 | Ultra-wideband microstrip phase shifter |
-
2015
- 2015-07-24 CN CN201510444702.3A patent/CN106374846A/en not_active Withdrawn
-
2016
- 2016-02-19 WO PCT/CN2016/074085 patent/WO2017016215A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0715204A (en) * | 1993-06-25 | 1995-01-17 | Japan Radio Co Ltd | Pin diode phase shifter |
| MD2486F2 (en) * | 2002-02-28 | 2004-06-30 | Фёдор ДРАЧЕНКОВ | Compensation device for the electric power line |
| CN102714341A (en) * | 2012-01-10 | 2012-10-03 | 华为技术有限公司 | Phase shifter and antenna |
| CN103490733A (en) * | 2013-09-26 | 2014-01-01 | 华东交通大学 | Double-frequency-band Doherty power amplifier with frequency ratio of 1.25-2.85 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332535A (en) * | 2017-06-26 | 2017-11-07 | 武汉凡谷电子技术股份有限公司 | It is a kind of to be used to adjust the circuit arrangement that microstrip line transmits phase |
| CN113347644A (en) * | 2021-05-31 | 2021-09-03 | 武汉虹信科技发展有限责任公司 | Medium phase shifter signal phase detection method, medium phase shifter and antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017016215A1 (en) | 2017-02-02 |
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| C06 | Publication | ||
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Application publication date: 20170201 |