CN107634298A - Wilkinson power divider with harmonic restraining function - Google Patents
Wilkinson power divider with harmonic restraining function Download PDFInfo
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- CN107634298A CN107634298A CN201710699556.8A CN201710699556A CN107634298A CN 107634298 A CN107634298 A CN 107634298A CN 201710699556 A CN201710699556 A CN 201710699556A CN 107634298 A CN107634298 A CN 107634298A
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Abstract
Wilkinson power divider with harmonic restraining function.A kind of Wilkinson power divider with harmonic restraining function, its composition include:This signal metal layer is adhered in dielectric layer, described dielectric layer side, and described dielectric layer opposite side adheres to this metal ground layer, and described signal metal layer includes：Microwave transmission branch road, second harmonic suppress branch road, triple-frequency harmonics suppresses branch road, four-time harmonic suppresses branch road, isolation resistance.The present invention is used for Wilkinson power divider.
Description
Technical field：
The present invention relates to a kind of Wilkinson power divider with harmonic restraining function.
Background technology：
In most Microwave radio frequency systems, power splitter has a wide range of applications scene, such as in microwave power detector, mixing
There is application in numerous circuits such as device, phase-detection and TR components.
In power splitter design, the most frequently used power splitter is exactly Wilkinson Wilkinson power splitters.Because it have compared with
Good broadband character and relatively low insertion loss, thus be widely used in practice.But Wilkinson Wilkinson
Power splitter has one disadvantage in that its harmonic inhibition capability and anti-clutter interference ability are poor, if so with Wilkinson in itself
Exemplified by Wilkinson power splitters, when being normally applied Wilkinson Wilkinson power splitters, substantially circuit is needed in input
Above plus a bandpass filter or behind each port of output end respectively plus a low pass filter, to eliminate by non-linear
Undesired interference, noise harmonic caused by device.But so doing can undoubtedly make it that size changing circuit is big, while also meaningless
Add design processing cost.
The content of the invention：
Solve the problems, such as that traditional Wilkinson power divider harmonic inhibition capability is poor it is an object of the invention to provide a kind of
Wilkinson power divider with harmonic restraining function.
Above-mentioned purpose is realized by following technical scheme：
A kind of Wilkinson power divider with harmonic restraining function, its composition include:Dielectric layer, described dielectric layer side
Adhere to this signal metal layer, described dielectric layer opposite side adheres to this metal ground layer, and described signal metal layer includes：Microwave
Transmission branch, second harmonic suppress branch road, triple-frequency harmonics suppresses branch road, four-time harmonic suppresses branch road, isolation resistance.
The described Wilkinson power divider with harmonic restraining function, described microwave transmission branch road be used for will all the way
Microwave signal is divided into the output of multichannel microwave branch signal；It is to be used to suppress Wilkinson work(point that described second harmonic, which suppresses branch road,
The second harmonic composition of device；Described triple-frequency harmonics suppress branch road be for suppress the triple-frequency harmonics of Wilkinson power divider into
Point；It is the four-time harmonic composition for suppressing Wilkinson power divider that described four-time harmonic, which suppresses branch road,；Described isolation electricity
Resistance is to place the signal cross-talk between two output ports, increases isolation.
The described Wilkinson power divider with harmonic restraining function, described microwave transmission branch road include the first trunk
Branch road and the second backbone-stub, the first described backbone-stub and the second backbone-stub are made up of two sections of microstrip lines respectively.
The shown Wilkinson power divider with harmonic restraining function, the first described backbone-stub and described second
The characteristic impedance of the backbone-stub microstrip line of backbone-stub is respectively：The characteristic impedance of first paragraph microstrip line is 64 Ω, electrical length
For 45deg, the characteristic impedance of second segment microstrip line is 77 Ω, electrical length 45deg, and first paragraph microstrip line and second segment are micro-
Band line is connected in series.
The described Wilkinson power divider with harmonic restraining function, described second harmonic suppress branch road connection first
Backbone-stub and the second backbone-stub, described second harmonic suppresses branch road and the communicating position of the first backbone-stub is located at first
Between the first microstrip line and the second microstrip line of backbone-stub, described second harmonic suppresses the company of branch road and the second backbone-stub
Logical position is located between the first microstrip line and the second microstrip line of the second backbone-stub, and meets that characteristic impedance is 46.5 Ω,
Electrical length is 60deg.
The described Wilkinson power divider with harmonic restraining function, described triple-frequency harmonics suppression circuit include two
The completely the same microstrip line of parameter, two sections of microstrip lines are connected on isolation resistance both sides, are being respectively connected to the first master afterwards respectively
The other end of second microstrip line on Heavenly Stems and Earthly Branches road and the other end of the second with line of the second backbone-stub, this two sections of microstrip lines
Characteristic impedance is 46.6 Ω, electrical length 45deg.
The described Wilkinson power divider with harmonic restraining function, described four-time harmonic suppress branch road positioned at input
Port microstrip line and the first backbone-stub and the second backbone-stub junction, opened a way microstrip line for one end, the now open circuit micro-strip
The characteristic impedance of line is 60 Ω, electrical length 22.5deg.
The described Wilkinson power divider with harmonic restraining function, described four-time harmonic suppression circuit equivalent electric
Road substitutes, and it is 60 Ω, electrical length 7.9deg that it, which turns on the characteristic impedance of microstrip line, in addition the first backbone-stub and the second trunk
The parameter of the open circuit microstrip line of branch road is consistent, and its characteristic impedance is 120 Ω, electrical length 13.9deg.
The described Wilkinson power divider with harmonic restraining function, one end of described isolation resistance connect one three
The side of subharmonic microstrip line, the other end connect the side that another triple-frequency harmonics suppresses microstrip line, i.e. isolation resistance and two sections
Triple-frequency harmonics suppresses microstrip line into series relationship.
The described Wilkinson power divider with harmonic restraining function, described isolation resistance is in decile Wilkinson work(
Resistance in the case of point device is 136.5 Ω.
Beneficial effect：
1. the present invention is not in the case where increasing power splitter area so that power splitter has filtering characteristic in itself（Herein refer to harmonic wave
Suppress function）So that power splitter has harmonic restraining function, and harmonic wave is individually added into behind power splitter output end so as to avoid
Rejects trap, the size that can not only reduce total system is so done, while the cost of system has been declined, had
Certain social and economic significance.
The present invention in the case where not increasing traditional power splitter area, can realize simultaneously suppression 2 times, 3 times, 4 subharmonic,
And currently known harmonics restraint power splitter can only typically suppress 2 times and 3 subharmonic or 2 times and 4 subharmonic etc., and energy of the present invention
Enough suppress 2 times, 3 times simultaneously and 4 subharmonic are most evident characteristics possessed by itself.
Brief description of the drawings：
Accompanying drawing 1 is the structural representation accompanying drawing of this product.
Accompanying drawing 2 is the domain schematic diagram of this product.
Accompanying drawing 3 is the oscillogram of the port reflectance factor of this product.
Accompanying drawing 4 is the oscillogram of this product output port Insertion Loss.
Accompanying drawing 5 is the phase diagram of this product output port Insertion Loss.
Accompanying drawing 6 is the oscillogram of this product output port isolation.
Accompanying drawing 7 is the oscillogram of this product output port group delay.
Accompanying drawing 8 is the equivalent circuit diagram of this product four-time harmonic branch road.
Accompanying drawing 9 is the reflection coefficient parameter figure of two kinds of circuits of this product four-time harmonic branch road.
Embodiment：
Below in conjunction with the accompanying drawing of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
Embodiment 1：
A kind of Wilkinson power divider with harmonic restraining function, its composition include:Dielectric layer, described dielectric layer side
Adhere to this signal metal layer, described dielectric layer opposite side adheres to this metal ground layer, and described signal metal layer includes：Microwave
Transmission branch, second harmonic suppress branch road, triple-frequency harmonics suppresses branch road, four-time harmonic suppresses branch road, isolation resistance.
Embodiment 2：
The Wilkinson power divider with harmonic restraining function described in embodiment 1, described microwave transmission branch road are to be used to incite somebody to action
Microwave signal is divided into the output of multichannel microwave branch signal all the way；It is to be used to suppress Wilkinson that described second harmonic, which suppresses branch road,
The second harmonic composition of power splitter；It is the triple-frequency harmonics for suppressing Wilkinson power divider that described triple-frequency harmonics, which suppresses branch road,
Composition；It is the four-time harmonic composition for suppressing Wilkinson power divider that described four-time harmonic, which suppresses branch road,；Described isolation
Resistance is to place the signal cross-talk between two output ports, increases isolation.
Embodiment 3：
The Wilkinson power divider with harmonic restraining function described in embodiment 1 or 2, described microwave transmission branch road include the
One backbone-stub and the second backbone-stub, the first described backbone-stub and the second backbone-stub are respectively by two sections of microstrip line structures
Into.
Embodiment 4：
The Wilkinson power divider with harmonic restraining function shown in embodiment 3, the first described backbone-stub and described
The characteristic impedance of the backbone-stub microstrip line of second backbone-stub is respectively：The characteristic impedance of first paragraph microstrip line is 64 Ω, electricity
Length is 45deg, and the characteristic impedance of second segment microstrip line is 77 Ω, electrical length 45deg, and first paragraph microstrip line and second
Section microstrip line is connected in series.
Embodiment 5：
The Wilkinson power divider with harmonic restraining function described in embodiment 1 or 2, described second harmonic suppress branch road and connected
Logical first backbone-stub and the second backbone-stub, described second harmonic suppress the communicating position position of branch road and the first backbone-stub
Between the first microstrip line and the second microstrip line of the first backbone-stub, described second harmonic suppresses branch road and the second trunk branch
The communicating position on road is located between the first microstrip line and the second microstrip line of the second backbone-stub, and meets that characteristic impedance is
46.5 Ω, electrical length 60deg.
Embodiment 6：
The Wilkinson power divider with harmonic restraining function described in embodiment 1 or 2, described triple-frequency harmonics suppression circuit bag
Containing the completely the same microstrip line of two parameters, two sections of microstrip lines are connected on isolation resistance both sides, are being respectively connected to afterwards respectively
The other end of second microstrip line of the first backbone-stub and the other end of the second with line of the second backbone-stub, this two sections micro-
Characteristic impedance with line is 46.6 Ω, electrical length 45deg.
Embodiment 7：
The Wilkinson power divider with harmonic restraining function described in embodiment 1 or 2, described four-time harmonic suppress branch road position
It is one end open circuit microstrip line in input port microstrip line and the first backbone-stub and the second backbone-stub junction, now this is opened
The characteristic impedance of road microstrip line is 60 Ω, electrical length 22.5deg.
Embodiment 8：
The Wilkinson power divider with harmonic restraining function described in embodiment 7, described four-time harmonic suppression circuit use etc.
Imitate circuit to substitute, it is 60 Ω, electrical length 7.9deg that it, which turns on the characteristic impedance of microstrip line, in addition the first backbone-stub and second
The parameter of the open circuit microstrip line of backbone-stub is consistent, and its characteristic impedance is 120 Ω, electrical length 13.9deg.
Embodiment 9：
The Wilkinson power divider with harmonic restraining function described in embodiment 1 or 2, one end connection of described isolation resistance
The side of one triple-frequency harmonics microstrip line, the other end connect the side that another triple-frequency harmonics suppresses microstrip line, i.e. isolation resistance
Suppress microstrip line into series relationship with two sections of triple-frequency harmonics.
Embodiment 10：
The Wilkinson power divider with harmonic restraining function described in embodiment 9, described isolation resistance is in decile Weir gold
Resistance in the case of gloomy power splitter is 136.5 Ω.
Embodiment 11：
The Wilkinson power divider with harmonic restraining function described in above-described embodiment, main utilization can be classified as two
Class：
（1）Apply in array antenna, in order to improve the frequency selectivity of antenna system, it will usually by the filter with harmonics restraint
Ripple device is connected on the front and back end of antenna, and harmonics restraint is carried out to input and output signal, and antenna system now is all with more
Enter to have more channel, so power splitter is its essential circuit element again, if therefore being loaded with harmonic wave in antenna system
Suppress the power splitter of function, then system can need not reload extra wave filter, can so effectively reduce system
Cost and loss, realize miniaturization, and be easy to the Integrated design of system；
（2）Apply in the microwave radio circuit such as frequency multiplier and power combiner, when designing these circuits, it is necessary to consider pair
The rejection ability of stray resonance frequency, in design power distributor circuit, if it is desired to suppress harmonic wave, generally use increase band resistance
Or the method for low pass filter, and this will increase the size and circuit loss of circuit.And do not increasing volume in this application
In the case of outer Insertion Loss, it can effectively improve the noise characteristic of system and reduce the overall dimension of circuit.In a word, to humorous
The research for the power splitter that ripple suppresses, realizing that system compact is to have very much reality with having very big help in being easily integrated
Application value.
Embodiment 12：
The Wilkinson power divider with harmonic restraining function described in above-described embodiment, microwave transmission branch road is used for will be micro- all the way
Ripple signal is divided into the output of multichannel microwave branch signal, and the branch road includes two sections of microstrip lines, and its characteristic impedance is respectively with electrical lengthWith；
Four-time harmonic suppresses branch road, positioned at input and microwave transmission branch road junction, for microstrip line of opening a way, suppresses four-time harmonic,
Its characteristic impedance and electrical length are；
For connecting the microstrip line of two microwave transmission branch roads, its characteristic impedance and electrical length are, the branch road is main
For suppressing second harmonic；
For connecting isolation resistance R two sections of microstrip lines, its characteristic impedance and electrical length are, two sections of microstrip lines
It is mainly used in suppressing triple-frequency harmonics；
In addition, also export the microstrip line that three sections of characteristic impedances are 50 Ω comprising input.
Embodiment 12：
The Wilkinson power divider with harmonic restraining function described in above-described embodiment, it is attached to described dielectric layer side
Signal metal layer, and it is attached to the metal ground layer of described dielectric layer opposite side.Described signal metal layer includes microwave transmission
Branch road, four-time harmonic suppress branch road, the microstrip line for connecting transmission branch, connection isolation resistance microstrip line, by Wilkinson
The transmission branch of power splitter sets open circuit microstrip line with input junction, gives appropriate parameter, can suppress Wilkinson
The four-time harmonic of power splitter, by two transmission branches connect a microstrip line, its second harmonic can be suppressed, by
Isolation resistance both sides are connected microstrip line, can suppress its triple-frequency harmonics, and then obtain a kind of simple in construction to suppress two simultaneously
Subharmonic suppresses branch road, triple-frequency harmonics suppresses branch road and four-time harmonic suppresses the Weir with harmonic restraining function of branch road harmonic wave
The gloomy power splitter of gold.
Described microwave transmission branch road includes the first backbone-stub and the second backbone-stub, wherein the first backbone-stub includes
Microwave transmission microstrip line 111 and microwave transmission microstrip line 112, the second backbone-stub include microwave transmission microstrip line 121 and microwave
Transmit microstrip line 122.
Four-time harmonic suppresses branch road and mainly includes microstrip line 13, and its impedance is 60 Ω, electrical length 22.5deg, is connected to
Input the junction of microstrip line 10 and microwave transmission microstrip line 111 and microwave transmission microstrip line 121.
The described microstrip line for being used to connect two microwave transmission branch roads, is connected in the first backbone-stub 1 comprising one end
Microwave transmission microstrip line 111 and the tie point of microwave transmission microstrip line 112, the other end is connected to micro- in the second backbone-stub 2
Ripple transmits the triple-frequency harmonics suppression for being used to suppress second harmonic of the tie point between microstrip line 121 and microwave transmission microstrip line 122
Branch road 14 processed.
The described second harmonic for being used to connect isolation resistance R suppresses branch road 17 and second harmonic suppresses branch road 18, respectively
It is connected on the both sides of isolation resistance, wherein second harmonic suppresses the other end of branch road 17 and microwave transmission microstrip line 112 and defeated
Go out the tie point connection of microstrip line 15, second harmonic suppresses the other end and microwave transmission microstrip line 122 and output of branch road 18
The tie point connection of microstrip line 16, its main function are suppression triple-frequency harmonics.
Also including isolation resistance 19, one end of the isolation resistance connects one end that a second harmonic suppresses branch road 17,
The other end of the isolation resistance connects one end that another second harmonic suppresses branch road 18.
Described signal metal layer and the material of metal back layer are copper, copper thickness 1oz.
The resistance of described isolation resistance is 136.5 Ω.
Embodiment 13：
The Wilkinson power divider with harmonic restraining function described in above-described embodiment, referring to accompanying drawing 1, accompanying drawing 1 is embodiment
In have harmonic restraining function Wilkinson power divider structural representation.
In embodiment, the centre frequency of design is 1GHz.
In embodiment, should include dielectric layer with Wilkinson power divider of harmonic restraining function, be attached to described in
The signal metal layer of dielectric layer side, and it is attached to the metal ground layer of described dielectric layer opposite side, described signal metal layer
The the first microwave transmission branch road formed including microwave transmission microstrip line 111 and microwave transmission microstrip line 112, and it is micro- by microwave transmission
The the second microwave transmission branch road formed with line 121 and microwave transmission microstrip line 122, input microstrip line 10, output microstrip line 15 and
Export microstrip line 16, second harmonic suppresses branch road 17 and second harmonic suppresses branch road 18, triple-frequency harmonics suppresses branch road 14 and four times
Harmonics restraint branch road 13.
Microwave transmission microstrip line 111 and microwave transmission microstrip line 112 and microwave transmission microstrip line 121 and microwave transmission are micro-
It is used to that microwave signal the output of multichannel microwave branch signal will be divided into all the way with the branch road that line 122 is formed.
Traditional Wilkinson power divider includes dielectric layer, is attached to the signal metal layer of described dielectric layer side, and
It is attached to the metal ground layer of described dielectric layer opposite side.Such as two power splitters, its signal metal layer has two microwave transmission branch roads,
First microwave transmission branch road includes the microwave transmission microstrip line 111 and microwave transmission microstrip line 112 of series connection, and the second microwave passes
Defeated branch road includes series connection microwave transmission microstrip line 121 and microwave transmission microstrip line 122, microwave are inputted micro- by input port
Band line 10 enters Wilkinson power divider, signal is divided into two road signals, microwave signal passes through microwave transmission microstrip line 111, micro-
Ripple transmits microstrip line 112 and microwave transmission microstrip line 121, is divided into two-way microwave branch signal after microwave transmission microstrip line 122,
And then microwave is subjected to two work(point.The Wilkinson power divider is two power splitters, is not limited to two power splitters.
Specifically, the dielectric layer uses dielectric constant as 3.66 RO4350 sheet materials, and dielectric thickness 20mil, signal gold
It is thick using 1oz copper to belong to layer and metal ground layer.
In embodiment, the input microstrip line 10 of port and the output microstrip line 15 of port, output microstrip line 16, in this reality
It is consistent to apply parameter in case, device characteristic impedance is 50 Ω, electrical length 20deg.
In embodiment, because Wilkinson power divider designed in the implementation case is that one-to-two etc. divides power splitter, so
Two microwave transmission branch road is symmetrical above and below, wherein the microwave transmission microstrip line 111 in microwave transmission branch road and microwave transmission branch road
In the parameter of microwave transmission microstrip line 121 it is consistent, characteristic impedance is 64 Ω, electrical length 45deg；It is micro- in microwave transmission branch road
Ripple transmission microstrip line 112 is consistent with the parameter of microwave transmission microstrip line 122 in microwave transmission branch road, and characteristic impedance is 77 Ω, electricity
Length is 45deg.
In embodiment, second harmonic suppresses branch road 14, is 46.5 Ω for one section of characteristic impedance, and electrical length is 60deg's
Microstrip line is formed, and one end of wherein second harmonic suppression branch road 14 is connected to microwave transmission microstrip line 111 and microwave transmission micro-strip
Between line 112, between other end connection and microwave transmission microstrip line 121 and microwave transmission microstrip line 122.
In embodiment, triple-frequency harmonics suppresses branch road and includes two sections of microstrip lines, and respectively second harmonic suppresses the He of branch road 17
Second harmonic suppresses branch road 18, and the second harmonic suppresses the electrical parameter complete inhibition of branch road, and wherein characteristic impedance is 46.5 Ω, electricity
Length is 45deg.Second harmonic suppresses branch road 17 and second harmonic and suppresses branch road 18 to connect with isolation resistance, and respectively positioned at every
From resistance both sides, while second harmonic suppresses opposite side connection and the microwave transmission microstrip line 112 and output microstrip line of branch road 17
15 junction, the opposite side connection of microstrip line 18 and the junction of microwave transmission microstrip line 122 and output microstrip line 16.Thus
The second harmonic of Wilkinson power divider can be suppressed.
In embodiment, four-time harmonic suppresses branch road and mainly includes microstrip line 13, and its characteristic impedance is 60 Ω, and electrical length is
22.5deg, it is connected to the junction of input microstrip line 10 and microwave transmission microstrip line 111 and microwave transmission microstrip line 121.
In embodiment, the resistance of isolation resistance 19 is 136.5 Ω.
Referring to accompanying drawing 2, in embodiment, microwave transmission microstrip line 112 passes parallel to microwave transmission microstrip line 122, microwave
Defeated microstrip line 111 and microwave transmission microstrip line 121 are all divided into two sections, and this two sections orthogonal.Triple-frequency harmonics suppress branch road with every
It is parallel from resistance, but vertically with microwave transmission microstrip line 112 and microwave transmission microstrip line 122, it is secondary in order to which holding structure is compact
Harmonics restraint branch road 17 and second harmonic suppress branch road 18 and have done bending process.Triple-frequency harmonics suppresses branch road 14 and vertically passed with microwave
Defeated microstrip line 112 and microwave transmission microstrip line 122.In addition to reducing the area of Wilkinson power divider, four-time harmonic suppresses
Single open circuit microstrip line in branch road is changed to structure as shown in Figure 8, and the reflectance factor of its equivalent structure is as shown in Figure 9.
Referring to accompanying drawing 3, accompanying drawing 3 is the port reflection system of the Wilkinson power divider in embodiment with harmonic restraining function
Oscillogram of the number under ADS simulated environment.Abscissa represents frequency, and ordinate represents amplitude, and unit is decibel, and it is with humorous
Ripple suppress function the input port of Wilkinson power divider and the reflectance factor of output port with frequency situation of change.Its
In, the expression input port reflectance factor S of curve 31 (1,1) oscillogram, one output port reflectance factor S of the expression of curve 32 (2,
2) oscillogram, curve 33 represent the oscillogram of another output port reflectance factor S (3,3).Due to when decile Wilkinson
Power splitter, thus S (2,2) and S（3,3）Curve be completely superposed.It can be seen that should the Wilkinson with harmonic restraining function
Power splitter is that its input port reflectance factor S (1,1) is less than -25dB, and two output ports are anti-in 1GHz frequency bands in centre frequency
Coefficient S (2,2) is penetrated, S (3,3) is less than -25dB.This has that the reflectance factor of the Wilkinson power divider of harmonic restraining function is small,
Reflect low in energy consumption, transimission power height.
Referring to accompanying drawing 4, accompanying drawing 4 is that the output port of the Wilkinson power divider in embodiment with harmonic restraining function is inserted
The oscillogram of damage.Abscissa represents frequency, and ordinate represents amplitude, and unit is decibel, and it is the prestige with harmonic restraining function
The Insertion Loss S (2,1) and S (3,1) of two output ports of Er Jinsen power splitters with frequency situation of change.It can be seen that this is super
Broadband Wilkinson power divider is that the Insertion Loss S (2,1) and S (3,1) of two output ports are less than in 1GHz frequency bands in centre frequency
0.4Db, while can see the Wilkinson power divider band outer 2GHz, 3GHz, 4GHz and suppression occur, due to the Weir
The centre frequency of the gloomy power splitter of gold is 1GHz, thus the Wilkinson power divider has while suppresses second harmonic, triple-frequency harmonics
With the ability of four-time harmonic.Simultaneously it can be seen that the rejection ability to second harmonic is -52.6dB, to triple-frequency harmonics from accompanying drawing
Rejection ability be -52.5dB, the rejection ability to four-time harmonic is -39.6dB.It can be seen that very good to the rejection ability of harmonic wave.
Referring to accompanying drawing 5, accompanying drawing 5 is that the output port of the Wilkinson power divider in embodiment with harmonic restraining function is inserted
The phase diagram of damage.Abscissa represents frequency, and ordinate represents phase, and unit is degree, and it is the Weir with harmonic restraining function
The Insertion Loss S (2,1) and S (3,1) of two output ports of the gloomy power splitter of gold phase with frequency situation of change.It can be seen that
The ultra wide band Wilkinson power divider is that the Insertion Loss phase of two output ports is basically identical in 1GHz frequency bands in centre frequency,
So that the two-way microwave branch signal phase obtained after two work(point is consistent, work(divides effect good.
Referring to accompanying drawing 6, accompanying drawing 6 be the Wilkinson power divider in embodiment with harmonic restraining function output port every
From the oscillogram of degree.Abscissa represents frequency, and ordinate represents amplitude, and unit is decibel, and it is with harmonic restraining function
Isolation S (3,2) between two output ports of Wilkinson power divider with frequency situation of change.It can be seen that the tool
There is the Wilkinson power divider of harmonic restraining function to be in 1GHz frequency bands in centre frequency, the isolation S of two output ports (3,
2) it is less than -25dB, it is interfering with each other small.
Referring to accompanying drawing 7, accompanying drawing 7 is the group of the output end of the Wilkinson power divider in embodiment with the consistent function of harmonic wave
Time delay.Abscissa represents frequency, and ordinate represents group delay, and unit is the second.It can be seen that should the prestige with the consistent function of harmonic wave
Group delay of the Er Jinsen power splitters in whole frequency range is all fine, and transmission delay is small.
The above-mentioned Wilkinson power divider with harmonic restraining function, in the microwave transmission of traditional Wilkinson power divider
The microstrip line prolongation structure being made up of microstrip line is inserted on branch road, the limit of the Wilkinson power divider can be increased, and then press down
Make its harmonic wave.Suppression to each harmonic wave is formed by being separately provided one section or this two sections of microstrip lines, while can be with
It was found that total electrical length of microwave transmission branch road is 90deg, this point and the electricity of the branch road of traditional Wilkinson power divider are long
Spend completely the same.
Embodiment 14：
The Wilkinson power divider with harmonic restraining function described in above-described embodiment, including dielectric layer, it is attached to described
The signal metal layer of dielectric layer side, and it is attached to the metal ground layer of described dielectric layer opposite side, described signal metal layer
Including microwave transmission branch road, for microwave signal the output of multichannel microwave branch signal and four-time harmonic suppression branch will to be divided into all the way
Road, triple-frequency harmonics suppresses branch road and second harmonic suppresses branch road, comprises in addition by isolation resistance.Described four-time harmonic suppression
The characteristic impedance of branch road processed is 60 ohm, and electrical length is, the characteristic impedance that described triple-frequency harmonics suppresses branch road is 46.5
Ω, electrical length, described second harmonic suppresses branch road, and comprising two sections of identical microstrip lines, impedance is 46.5 Ω, electrical length, the resistance of described isolation resistance is 136.5 Ω, and its one end is connected to the side that a second harmonic suppresses microstrip line,
The other end is connected to the side of an other second harmonic microstrip line, this three series connection.By adding on Wilkinson power divider
Plus harmonics restraint branch road is stated, a kind of new time device is formed, second harmonic can be suppressed simultaneously and suppress branch road, triple-frequency harmonics suppression
Branch road and four-time harmonic processed suppress branch road, and then obtain a kind of Wilkinson work(point with harmonic restraining function simple in construction
Device.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned
The all possible combination of each technical characteristic in embodiment is all described, as long as however, the combination of these technical characteristics not
Contradiction be present, be all considered to be the scope of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of Wilkinson power divider with harmonic restraining function, its composition includes:Dielectric layer, it is characterized in that:Described
This signal metal layer is adhered in dielectric layer side, and described dielectric layer opposite side adheres to this metal ground layer, described signal metal
Layer includes：Microwave transmission branch road, second harmonic suppress branch road, triple-frequency harmonics suppresses branch road, four-time harmonic suppresses branch road, isolation electricity
Resistance.
2. the Wilkinson power divider according to claim 1 with harmonic restraining function, it is characterized in that:Described is micro-
Ripple transmission branch is to be used to that microwave signal the output of multichannel microwave branch signal will to be divided into all the way；Described second harmonic suppresses branch road
It is the second harmonic composition for suppressing Wilkinson power divider；It is to be used to suppress Weir gold that described triple-frequency harmonics, which suppresses branch road,
The triple-frequency harmonics composition of gloomy power splitter；It is humorous for suppressing the four of Wilkinson power divider times that described four-time harmonic, which suppresses branch road,
Wave component；Described isolation resistance is to place the signal cross-talk between two output ports, increases isolation.
3. the Wilkinson power divider according to claim 1 or 2 with harmonic restraining function, it is characterized in that:Described
Microwave transmission branch road includes the first backbone-stub and the second backbone-stub, the first described backbone-stub and the second backbone-stub point
It is not made up of two sections of microstrip lines.
4. the Wilkinson power divider with harmonic restraining function according to claim 3, it is characterized in that:Described
The characteristic impedance of the backbone-stub microstrip line of one backbone-stub and the second described backbone-stub is respectively：First paragraph microstrip line
Characteristic impedance is 64 Ω, electrical length 45deg, and the characteristic impedance of second segment microstrip line is 77 Ω, electrical length 45deg, and
First paragraph microstrip line is connected in series with second segment microstrip line.
5. the Wilkinson power divider according to claim 1 or 2 with harmonic restraining function, it is characterized in that:Described
Second harmonic suppresses branch road and connects the first backbone-stub and the second backbone-stub, and described second harmonic suppresses branch road and the first master
The communicating position on Heavenly Stems and Earthly Branches road is located between the first microstrip line and the second microstrip line of the first backbone-stub, the suppression of described second harmonic
The communicating position of branch road processed and the second backbone-stub is located between the first microstrip line and the second microstrip line of the second backbone-stub, and
And meet that characteristic impedance is 46.5 Ω, electrical length 60deg.
6. the Wilkinson power divider according to claim 1 or 2 with harmonic restraining function, it is characterized in that:Described
Triple-frequency harmonics suppression circuit includes the completely the same microstrip line of two parameters, and two sections of microstrip lines are connected on isolation resistance two respectively
Side, it is being respectively connected to the second band line of the other end of the second microstrip line of the first backbone-stub and the second backbone-stub afterwards
The other end, the characteristic impedance of this two sections of microstrip lines is 46.6 Ω, electrical length 45deg.
7. the Wilkinson power divider according to claim 1 or 2 with harmonic restraining function, it is characterized in that:Described
Four-time harmonic suppresses branch road and is located at input port microstrip line and the first backbone-stub and the second backbone-stub junction, is opened for one end
Road microstrip line, the now characteristic impedance of the open circuit microstrip line are 60 Ω, electrical length 22.5deg.
8. the Wilkinson power divider according to claim 7 with harmonic restraining function, it is characterized in that:Described four
Sub-harmonic suppression circuit is substituted with equivalent circuit, and it is 60 Ω, electrical length 7.9deg that it, which turns on the characteristic impedance of microstrip line, in addition
The parameter of the open circuit microstrip line of first backbone-stub and the second backbone-stub is consistent, and its characteristic impedance is 120 Ω, and electrical length is
13.9deg。
9. the Wilkinson power divider according to claim 1 or 2 with harmonic restraining function, it is characterized in that:Described
One end of isolation resistance connects the side of a triple-frequency harmonics microstrip line, and the other end connects another triple-frequency harmonics and suppresses microstrip line
Side, i.e. isolation resistance and two sections of triple-frequency harmonics suppress microstrip lines into series relationship.
10. the Wilkinson power divider according to claim 9 with harmonic restraining function, it is characterized in that:It is described every
It is 136.5 Ω from resistance of the resistance in the case of decile Wilkinson power divider.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988816A (en) * | 2018-10-15 | 2018-12-11 | 深圳飞骧科技有限公司 | Harmonics restraint power combiner and radio-frequency power amplifier |
| CN109274339A (en) * | 2018-10-18 | 2019-01-25 | 成都嘉纳海威科技有限责任公司 | A kind of Doherty driving Doherty power amplifier |
| CN109981055A (en) * | 2019-03-25 | 2019-07-05 | 杭州电子科技大学富阳电子信息研究院有限公司 | A kind of branch harmonic controling circuit |
| CN112003580A (en) * | 2020-08-24 | 2020-11-27 | 上海联影医疗科技有限公司 | Power combiner and medical equipment |
| US20200388900A1 (en) * | 2019-06-06 | 2020-12-10 | Nanning Fugui Precision Industrial Co., Ltd. | Power dividing circuit and power divider |
| CN112133992A (en) * | 2020-10-15 | 2020-12-25 | 北京邮电大学 | Filtering power divider with high out-of-band rejection and full-band absorption functions |
| CN112216942A (en) * | 2020-10-12 | 2021-01-12 | 西安博瑞集信电子科技有限公司 | Unequal power divider |
| CN113097679A (en) * | 2021-03-10 | 2021-07-09 | 西安电子科技大学 | Small Wilkinson power divider used in MMIC circuit |
| CN113169436A (en) * | 2018-12-12 | 2021-07-23 | 株式会社村田制作所 | Power divider |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186088A (en) * | 2015-09-12 | 2015-12-23 | 电子科技大学 | Electrically tunable filtering type power divider having harmonic suppression function |
| CN205211910U (en) * | 2015-07-13 | 2016-05-04 | 中国电子科技集团公司第十研究所 | Cross transmission line harmonic restraines gysel merit and divides ware |
| CN206301928U (en) * | 2016-12-29 | 2017-07-04 | 青岛瑞普电气股份有限公司 | Wilkinson power divider with harmonic restraining function |
-
2017
- 2017-08-16 CN CN201710699556.8A patent/CN107634298A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205211910U (en) * | 2015-07-13 | 2016-05-04 | 中国电子科技集团公司第十研究所 | Cross transmission line harmonic restraines gysel merit and divides ware |
| CN105186088A (en) * | 2015-09-12 | 2015-12-23 | 电子科技大学 | Electrically tunable filtering type power divider having harmonic suppression function |
| CN206301928U (en) * | 2016-12-29 | 2017-07-04 | 青岛瑞普电气股份有限公司 | Wilkinson power divider with harmonic restraining function |
Non-Patent Citations (2)
| Title |
|---|
| MOHSEN HAYATI，ET AL: "A Simple Wilkinson Power Divider with Harmonics Suppression", 《ELECTROMAGNETICS》 * |
| 张聚栋，等: "一种小型化谐波抑制功分器的设计", 《2017年全国微波毫米波会议论文集（下册）》 * |
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| CN108988816A (en) * | 2018-10-15 | 2018-12-11 | 深圳飞骧科技有限公司 | Harmonics restraint power combiner and radio-frequency power amplifier |
| CN109274339A (en) * | 2018-10-18 | 2019-01-25 | 成都嘉纳海威科技有限责任公司 | A kind of Doherty driving Doherty power amplifier |
| CN113169436A (en) * | 2018-12-12 | 2021-07-23 | 株式会社村田制作所 | Power divider |
| CN113169436B (en) * | 2018-12-12 | 2022-04-26 | 株式会社村田制作所 | Power divider |
| CN109981055A (en) * | 2019-03-25 | 2019-07-05 | 杭州电子科技大学富阳电子信息研究院有限公司 | A kind of branch harmonic controling circuit |
| CN109981055B (en) * | 2019-03-25 | 2023-12-05 | 杭州电子科技大学富阳电子信息研究院有限公司 | Shunt harmonic control circuit |
| US20200388900A1 (en) * | 2019-06-06 | 2020-12-10 | Nanning Fugui Precision Industrial Co., Ltd. | Power dividing circuit and power divider |
| US10992019B2 (en) * | 2019-06-06 | 2021-04-27 | Nanning Fugui Precision Industrial Co., Ltd. | Power dividing circuit and power divider |
| TWI740170B (en) * | 2019-06-06 | 2021-09-21 | 新加坡商鴻運科股份有限公司 | Power divider |
| CN112003580A (en) * | 2020-08-24 | 2020-11-27 | 上海联影医疗科技有限公司 | Power combiner and medical equipment |
| CN112216942A (en) * | 2020-10-12 | 2021-01-12 | 西安博瑞集信电子科技有限公司 | Unequal power divider |
| CN112133992B (en) * | 2020-10-15 | 2021-06-08 | 北京邮电大学 | Filtering power divider with high out-of-band rejection and full-band absorption functions |
| CN112133992A (en) * | 2020-10-15 | 2020-12-25 | 北京邮电大学 | Filtering power divider with high out-of-band rejection and full-band absorption functions |
| CN113097679A (en) * | 2021-03-10 | 2021-07-09 | 西安电子科技大学 | Small Wilkinson power divider used in MMIC circuit |
| CN113097679B (en) * | 2021-03-10 | 2021-11-19 | 西安电子科技大学 | Small Wilkinson power divider used in MMIC circuit |
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Application publication date: 20180126 |