CN105977598B - Coupled Line Power Divider with Integrated High Harmonic Suppression and Broadband Bandpass Filtering - Google Patents

Coupled Line Power Divider with Integrated High Harmonic Suppression and Broadband Bandpass Filtering Download PDF

Info

Publication number
CN105977598B
CN105977598B CN201610308677.0A CN201610308677A CN105977598B CN 105977598 B CN105977598 B CN 105977598B CN 201610308677 A CN201610308677 A CN 201610308677A CN 105977598 B CN105977598 B CN 105977598B
Authority
CN
China
Prior art keywords
group
microstrip lines
coupled
line
coupled microstrip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610308677.0A
Other languages
Chinese (zh)
Other versions
CN105977598A (en
Inventor
吴永乐
南丽霞
庄正
王卫民
黎淑兰
刘元安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing University of Posts and Telecommunications
Original Assignee
Beijing University of Posts and Telecommunications
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing University of Posts and Telecommunications filed Critical Beijing University of Posts and Telecommunications
Priority to CN201610308677.0A priority Critical patent/CN105977598B/en
Publication of CN105977598A publication Critical patent/CN105977598A/en
Application granted granted Critical
Publication of CN105977598B publication Critical patent/CN105977598B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

The invention discloses the coupling line power splitters of a kind of novel integrated limitation of high harmonics and broadband band-pass filtering function, comprising: input port；First output port and second output terminal mouth are respectively positioned at the top of dielectric-slab；Three pairs of coupling line horizontal connections, in addition two pairs of coupling lines are disposed vertically.Including two microstrip lines, connected respectively with two pairs of coupling line ends.Dielectric-slab is the substrate of printed circuit, for carrying entire circuit.Via hole is for the connection between coupling line end and ground plane.The coupling line power splitter of integrated limitation of high harmonics and broadband band-pass filtering function of the invention realizes ultra-wide passband, ultra wide band isolation strip, and in free transmission range, there is lesser insertion loss, phase difference is stablized, and good matching and isolation are able to achieve, and has good promotion prospect.

Description

The coupling line power splitter of integrated limitation of high harmonics and broadband band-pass filtering function
Technical field
The present invention relates to the coupling line power splitters of a kind of integrated limitation of high harmonics and broadband band-pass filtering function, realize Ultra-wide passband, the performance of ultra wide band isolation strip belong to the technical field of microwave transmission device.
Background technique
Power divider abbreviation power splitter is microwave passive component important in wireless communication system.Power splitter is extensive Meet the tendency of in wireless communication field, such as military radar, electron detection, electronic countermeasure, mobile communication, TV, remote control need by In terms of electronic signal allocation processing.Power splitter is a simple three-port network, be it is a kind of will input signal energy point all the way At two-way or the device of the equal or unequal energy of multichannel, the synthesis of multiple signals energy can also be exported all the way in turn, at this time Referred to as power combiner.
The development trend of power splitter be it is small in size, bear that power is big, and bandwidth, phase difference is stablized, energy in wider frequency range Realize good matching and isolation effect.The constant amplitude that early stage Wilkinson proposes is benefit with the power splitter topological structure of mutually output It is realized with the impedance transformation characteristic of quarter-wave transmission line, this design structure is simple, but it can only operate in list One frequency range has been far from satisfying double frequency, multifrequency and the requirement in broadband of Modern wireless communication.With mobile communication, defend The rapid development of star communication and the micromation of Defensive Avionics System, the requirement to power splitter is also higher and higher, using coupling knot Structure realizes that the power splitter of single-frequency or double frequency performance occurs in succession, however these power splitters do not do depth to the harmonics restraint in stopband Enter research.Up to the present, the technology of power divider still remains very big development space, and the development need of modern communication is more High performance power splitter.
Simple it is therefore desirable to provide a kind of structure, insertion loss is small, and isolation effect is good, there is wider pass band width, and With the power splitter for inhibiting higher hamonic wave and broadband band-pass filtering function.
Summary of the invention
The purpose of the present invention is to solve the above problem, a kind of integrated limitation of high harmonics and broadband bandpass filtering are proposed The coupling line power splitter of function.Coupling line power splitter of the invention has structure simple, is integrated with and inhibits higher hamonic wave and broadband The advantages that function of bandpass filtering, realizes ultra-wide passband, the performance of ultra wide band isolation strip.
The coupling line power splitter of integrated limitation of high harmonics and broadband band-pass filtering function of the invention, comprising: dielectric-slab (15) and the power divider circuit that is laid on dielectric-slab (15).
The coupling line power splitter of integrated limitation of high harmonics and broadband band-pass filtering function is arranged in the front of dielectric-slab (15) Metal ground plane (14) are arranged in circuit, the back side, which is additionally provided with the via hole (13) through front and back, via hole (13) it is arranged between the end and metal ground plane (14) of the 5th group of coupled microstrip line (8).
The coupling line power divider circuit of integrated limitation of high harmonics and broadband band-pass filtering function include input port (1), First output port (2), second output terminal mouth (3), first group of coupled microstrip line (4), second group of coupled microstrip line (5), third Group coupled microstrip line (6), the 4th group of coupled microstrip line (7), the 5th group of coupled microstrip line (8), microstrip line (9) and microstrip line (10), lumped resistance (11) and lumped resistance (12).
First group of coupled microstrip line (4), second group of coupled microstrip line (5), third group coupled microstrip line (6), the 4th group of coupling Close microstrip line (7), the 5th group of coupled microstrip line (8) is formed by two articles of microstrip lines disposed in parallel；
One end of two parallel microstrip lines is connected in first group of coupled microstrip line (4), forms top, top and input terminal The connection of mouth (1) one end, input port (1) other end extend to the edge of dielectric-slab (15)；
One end of two parallel microstrip lines is connected in second group of coupled microstrip line (5), forms top, top and microstrip line (9) one end connects, and microstrip line (9) other end is in open-circuit condition；
One end of two parallel microstrip lines is connected in third group coupled microstrip line (6), forms top, top and microstrip line (10) one end connects, and microstrip line (10) one end is connect with third group coupled microstrip line (6), and the other end is in open-circuit condition；
4th group of coupled microstrip line (7) is made of two articles of parallel microstrip lines, the top of two parallel microstrip lines respectively with Two articles of parallel microstrip line connections, one end of the first output port (2), second output terminal mouth (3) in 5th group of coupled microstrip line (8) Vertically connected with (7) two tops of the 4th group of coupled microstrip line respectively, the first output port (2), second output terminal mouth (3) it is another One end extends to the edge of dielectric-slab (15)；
In second group of coupled microstrip line (5) other end of two parallel microstrip lines respectively with first group of coupled microstrip line (4) In one article of microstrip line end connected with one article of microstrip line ending vertical in the 4th group of coupled microstrip line (7)；
In third group coupled microstrip line (6) other end of two parallel microstrip lines respectively with first group of coupled microstrip line (4) In another article of microstrip line end connected with another article of microstrip line ending vertical in the 4th group of coupled microstrip line (7)；
The other end of two articles of parallel microstrip lines is connected in 5th group of coupled microstrip line (8), forms the 5th group of coupled microstrip line (8) end；
Lumped resistance (11) and lumped resistance (12), are separately positioned on the both ends of the 4th group of coupled microstrip line (7)；
Via hole (13) is for the connection between the end and ground (14) of coupled microstrip line (8)；
The length of first group of coupled microstrip line (4), the 4th group of coupled microstrip line (7), the 5th group of coupled microstrip line (8) Degree is respectively L1=11.37mm, L2=12.22mm, L3=44.63mm, width are respectively W1=0.72mm, W2=0.95mm, W3 =2.56mm, line spacing are respectively S1=0.62mm, S2=0.22mm, S3=1.37mm.Second group of coupled microstrip line (5) and The size of three groups of coupled microstrip lines (6) is identical, length, width, and line spacing is L4=11.97mm, W4=0.33mm, S4= 0.2mm.Microstrip line (9) is identical with the size of microstrip line (10), and length, and width is L5=11.2mm, W5=1mm.Input terminal Mouth (1), the first output port (2) is identical with the size of second output terminal mouth (3), and length, and width is L0=25mm, W0= 1.72mm.The resistance value of lumped resistance (11) and lumped resistance (12) is respectively R1=120 Ω, R2=280 Ω.The half of via hole (13) Diameter r=0.7mm.
First group of coupled microstrip line (4), the 4th group of coupled microstrip line (7), each parameter of the 5th group of coupled microstrip line (8) are full Foot states condition: Ze1=130 Ω, Zo1=80 Ω, θ1=22.5 °, Ze2=110 Ω, Zo2=85 Ω, θ2=22.5 °, Ze3=40 Ω, Zo3=35 Ω, θ3=90 °；Each parameter of second group of coupled microstrip line (5) and third group coupled microstrip line (6) is Ze4= 125 Ω, Zo4=55 Ω, θ4=22.5 °；Each parameter of microstrip line (9) and microstrip line (10) is Z5=78 Ω, θ5=22.5 °.
Ze1, Zo1, θ1Ever mode characteristic impedance, odd mode characteristic impedance and the electrical length of respectively first group coupled microstrip line (4), Ze2, Zo2, θ2Ever mode characteristic impedance, odd mode characteristic impedance and the electrical length of respectively the 4th group coupled microstrip line (7), Ze3, Zo3, θ3Ever mode characteristic impedance, odd mode characteristic impedance and the electrical length of respectively the 5th group coupled microstrip line (8), Ze4, Zo4, θ4Respectively Ever mode characteristic impedance, odd mode characteristic impedance and the electrical length of second group of coupled microstrip line (5), Z5, θ5For the characteristic of microstrip line (9) Impedance and electrical length.
The present invention has the advantages that
(1) by the present invention in that it is simple, symmetrical, compact, practical with coupled microstrip line structural circuit structure；
(2) coupling line power splitter of the invention has the function of inhibiting higher hamonic wave and broadband bandpass filtering；
(3) the coupling line power splitter of integrated limitation of high harmonics of the invention and broadband band-pass filtering function realizes ultra-wide Passband, ultra wide band isolation strip, and in free transmission range, there is lesser insertion loss, phase difference is stablized, and fluctuating range is little, Good matching and isolation effect are able to achieve in wider frequency range.
Detailed description of the invention
Fig. 1 is the three dimensional structure diagram of the coupling line power splitter of the embodiment of the present invention；
Fig. 2 is equivalent circuit diagram of the coupling line power splitter of the embodiment of the present invention under the excitation of odd mould；
Fig. 3 is equivalent circuit diagram of the coupling line power splitter of the embodiment of the present invention under the excitation of even mould；
Fig. 4 is the emulation S of the coupling line power splitter of the embodiment of the present invention21, S11Parameter Map；
Fig. 5 is the emulation S of the coupling line power splitter of the embodiment of the present invention22, S23Parameter Map；
Fig. 6 is the phase difference figure of the coupling line power splitter of the embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured The concept of invention.
As shown in Figure 1, the coupling of the integrated limitation of high harmonics and broadband band-pass filtering function of the preferred embodiment of the present invention Line power splitter, including dielectric-slab 15 and the power divider circuit being laid on dielectric-slab 15.
Referring to Fig. 1, the dielectric-slab 15 constitutes the printed circuit board of power splitter of the present invention, for carrying entire power splitter Circuit.In a specific embodiment of the invention, the thickness of dielectric-slab 15 is set as 0.762mm, and dielectric constant is set as 3.48. The front of dielectric-slab 15 is arranged in power divider circuit, and the back side of dielectric-slab 15 is provided with metal ground plane 14.In addition, dielectric-slab 15 Equipped with the via hole 13 for running through front and back.Via hole 13 is connected between the end of coupled microstrip line (8) and ground (14).
Referring to Fig. 1, power divider circuit includes first group of coupled microstrip line (4), second group of coupled microstrip line (5), third group Coupled microstrip line (6) and the 4th group of coupled microstrip line (7)；
Wherein, first group of coupled microstrip line (4) and the 4th group of coupled microstrip line (7) are by two articles of microstrip lines disposed in parallel Formed, first group of coupled microstrip line (4) one end connect with input port (1), the other end respectively with the 4th group of coupled microstrip line (7) End connection.
Second group of coupled microstrip line (5) is made of two microstrip lines disposed in parallel, the end difference of two microstrip lines It is connect with wherein one article of microstrip line ending vertical of first group of coupled microstrip line (4) and the 4th group of coupled microstrip line (7)；Third group Coupled microstrip line (6) is made of two microstrip lines disposed in parallel, and the end of two microstrip lines couples with first group micro- respectively It is connected with line (4) with the ending vertical of other one article of microstrip line of the 4th group of coupled microstrip line (7)；
As shown in Figure 1, input port (1) and the first output port (2), second output terminal mouth (3) are formed as microstrip line, it is defeated Inbound port (1) one end is connect with first group of coupled microstrip line (4), and one end extends to the edge of dielectric-slab (15)；First output end Top of the one end of mouth (2) and second output terminal mouth (3) respectively with the 4th group of coupled microstrip line (7) vertically connects, and the other end prolongs Extend to the edge of dielectric-slab (15)；
Wherein, the 5th group of coupled microstrip line (8) one end is connect with the 4th group of coupled microstrip line (7) top, one end and via hole (13) it connects.
Wherein, microstrip line (9) one end is connect with second group of coupled microstrip line (5), and the other end is in open-circuit condition；Microstrip line (10) one end is connect with third group coupled microstrip line (6), and the other end is in open-circuit condition；
As shown in Figure 1, lumped resistance (11) and lumped resistance (12) are separately positioned on the end of the 4th group of coupled microstrip line (7) End and top.
As shown in Figure 1, first group of coupled microstrip line (4), the 4th group of coupled microstrip line (7), the 5th group of coupled microstrip line (8) Length be respectively L1, L2, L3, width is respectively W1,W2, W3, line spacing is respectively S1, S2, S3.Second group of coupled microstrip line (5) Identical with the size of third group coupled microstrip line (6), length, width, line spacing is L4, W4,S4, microstrip line (9) and microstrip line (10) size is identical, and length, and width is L5, W5.Input port (1), the first output port (2) and second output terminal mouth (3) size is identical, and length, and width is L0, W0.The resistance value of lumped resistance (11) and lumped resistance (12) is respectively R1, R2.The radius of via hole (13) is r.
In a preferred embodiment of the present invention, specific size is as follows: W1=0.72mm, W2=0.95mm, W3= 2.56mm L1=11.37mm, L2=12.22mm, L3=44.63mm, S1=0.62mm, S2=0.22mm, S3=1.37mm, W4 =0.33mm, L4=11.97mm, S4=0.2mm, W5=1mm, L5=11.2mm, W0=1.72mm, L0=25mm, r=0.7mm, R1=120 Ω, R2=280 Ω.
Under the excitation of odd mould, the odd mould equivalent circuit of coupling line power splitter of the invention is as shown in Fig. 2, Zo1, θ1It is first The odd mode characteristic impedance and electrical length of group coupled microstrip line (4), Zo2, θ2For the odd module feature resistance of the 4th group of coupled microstrip line (7) Anti- and electrical length, Zo3, θ3For the odd mode characteristic impedance and electrical length of the 5th group of coupled microstrip line (8), Ze4, Zo4, θ4It is second group Ever mode characteristic impedance, odd mode characteristic impedance and the electrical length of coupled microstrip line (5), Z5, θ5For microstrip line (9) characteristic impedance and Electrical length, Z0For the characteristic impedance of port, R1,R2The respectively resistance value of lumped resistance (11) and lumped resistance (12)；
Under the excitation of even mould, the even mould equivalent circuit of coupling line power splitter of the invention is as shown in figure 3, Ze1, θ1It is first The ever mode characteristic impedance and electrical length of group coupled microstrip line (4), Ze2, θ2For the even module feature resistance of the 4th group of coupled microstrip line (7) Anti- and electrical length, Ze3, θ3For the ever mode characteristic impedance and electrical length of the 5th group of coupled microstrip line (8), Ze4, Zo4, θ4It is second group Ever mode characteristic impedance, odd mode characteristic impedance and the electrical length of coupled microstrip line (5), Z5, θ5For microstrip line (9) characteristic impedance and Electrical length, Z0For the characteristic impedance of port；
A specific embodiment of the invention is described below.
In the specific embodiment of the invention, the characteristic impedance of input port and output port is Z0=50 Ω, electricity The parameters on road are Ze1=130 Ω, Zo1=80 Ω, θ1=22.5 °, Ze2=110 Ω, Zo2=85 Ω, θ2=22.5 °, Ze3= 40 Ω, Zo3=35 Ω, θ3=90 °, Ze4=125 Ω, Zo4=55 Ω, θ4=22.5 °, Z5=78 Ω, θ5=22.5 °, R1=120 Ω,R2=280 Ω.
According to the dielectric constant of above-mentioned dielectric-slab, thickness, following parameter, input port are obtained by transmission line software for calculation Length and width with output port microstrip line is respectively L0=25mm, W0=1.72mm；First group of coupled microstrip line (4), 4th Group coupled microstrip line (7), the length of the 5th group of coupled microstrip line (8) are respectively L1=11.37mm, L2=12.22mm, L3= 44.63mm, width are respectively W1=0.72mm, W2=0.95mm, W3=2.56mm, line spacing are respectively S1=0.62mm, S2= 0.22mm, S3=1.37mm；Second group of coupled microstrip line (5) is identical with the size of third group coupled microstrip line (6), and length is wide Degree, line spacing is L4=11.97mm, W4=0.33mm, S4=0.2mm；Microstrip line (9) is identical with the size of microstrip line (10), And length, width are L5=11.2mm, W5=1mm；The radius r=0.7mm of via hole (13)；Lumped resistance (11) and lump electricity The resistance value for hindering (12) is respectively R1=120 Ω, R2=280 Ω.
Fig. 4 shows the emulation S of the coupling line power splitter of the embodiment of the present invention21, S11Parameter Map,；
Fig. 5 shows the emulation S of the coupling line power splitter of the embodiment of the present invention22, S23Parameter Map；
Fig. 6 shows the phase difference figure of the coupling line power splitter of the embodiment of the present invention.
Wherein, S parameter is for describing the case where transmitting signal between each port.SiiRefer to that all of the port connects matched load When the reflection coefficient looked to the port i；SijWhen indicating that other ports connect matched load, transmission coefficient of the port j to the port i.
As shown in Figure 4 and Figure 5, wideband of the coupling line power splitter work of preferred embodiment in 0.858GHz to 1.259GHz It takes, | S21|(|S31|) be -3.02dB, relative bandwidth 37.9%, and return loss | S11| it is greater than 20dB, | S22| it is greater than 15dB, between two output ports separation number (| S23|) it is greater than 15dB, show coupling line power splitter energy in wider frequency range It realizes good matching and isolation, has the function of broadband bandpass filtering.In addition, the coupling line power splitter is arrived in 1.801GHz Reach wider stopband between 5.961GHz, and harmonics restraint is greater than 20dB.
As shown in fig. 6, the phase difference of the first output port (2) and second output terminal mouth (3) is 0 between 0~2GHz, phase Potential difference is stablized, and fluctuating range is little, can be realized purpose of design of the invention.
As it appears from the above, coupling line power splitter of the invention, simple, right by using coupled microstrip line structural circuit structure Claim, is compact, practical, having the function of inhibiting higher hamonic wave and broadband bandpass filtering.Integrated limitation of high harmonics of the invention and The coupling line power splitter of broadband band-pass filtering function realizes ultra-wide passband, ultra wide band isolation strip, and in free transmission range, have compared with Small insertion loss, phase difference are stablized, and fluctuating range is little, and good matching and isolation are able to achieve in wider frequency range.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing Change example.

Claims (9)

1.集成高次谐波抑制和宽带带通滤波功能的耦合线功分器，包括：介质板(15)和布设于介质板(15)上的功分器电路；1. A coupled line power divider integrating high-order harmonic suppression and broadband band-pass filtering functions, comprising: a dielectric board (15) and a power divider circuit arranged on the dielectric board (15); 介质板(15)的正面设置集成高次谐波抑制和宽带带通滤波功能的功分器电路，背面设置金属接地面(14)，该介质板(15)还设置有贯穿正面和背面的过孔(13)，过孔(13)设置在第五组耦合微带线(8)的末端和金属接地面(14)之间；The front side of the dielectric board (15) is provided with a power divider circuit integrating high-order harmonic suppression and broadband band-pass filtering functions, the back side is provided with a metal ground plane (14), and the dielectric board (15) is further provided with a pass through the front side and the back side. A hole (13), the via hole (13) is arranged between the end of the fifth group of coupled microstrip lines (8) and the metal ground plane (14); 所述的功分器电路包括输入端口(1)、第一输出端口(2)、第二输出端口(3)、第一组耦合微带线(4)、第二组耦合微带线(5)、第三组耦合微带线(6)、第四组耦合微带线(7)、第五组耦合微带线(8)、微带线(9)和微带线(10)、集总电阻(11)和集总电阻(12)；The power divider circuit includes an input port (1), a first output port (2), a second output port (3), a first group of coupled microstrip lines (4), and a second group of coupled microstrip lines (5). ), the third group of coupled microstrip lines (6), the fourth group of coupled microstrip lines (7), the fifth group of coupled microstrip lines (8), the microstrip line (9) and the microstrip line (10), the set total resistance (11) and lumped resistance (12); 第一组耦合微带线(4)、第二组耦合微带线(5)、第三组耦合微带线(6)、第四组耦合微带线(7)、第五组耦合微带线(8)均由两条平行设置的微带线形成；The first group of coupled microstrip lines (4), the second group of coupled microstrip lines (5), the third group of coupled microstrip lines (6), the fourth group of coupled microstrip lines (7), and the fifth group of coupled microstrip lines The lines (8) are all formed by two parallel microstrip lines; 第一组耦合微带线(4)中两条平行微带线的一端相连接，形成顶端，顶端与输入端口(1)一端连接，输入端口(1)另一端延伸至介质板(15)的边缘；One ends of the two parallel microstrip lines in the first group of coupled microstrip lines (4) are connected to form a top end, the top end is connected to one end of the input port (1), and the other end of the input port (1) extends to the end of the dielectric plate (15). edge; 第二组耦合微带线(5)中两条平行微带线的一端相连接，形成顶端，顶端与微带线(9)一端连接，微带线(9)另一端处于开路状态；One ends of two parallel microstrip lines in the second group of coupled microstrip lines (5) are connected to form a top end, the top end is connected to one end of the microstrip line (9), and the other end of the microstrip line (9) is in an open state; 第三组耦合微带线(6)中两条平行微带线的一端相连接，形成顶端，顶端与微带线(10)一端连接，微带线(10)一端与第三组耦合微带线(6)连接，另一端处于开路状态；One end of the two parallel microstrip lines in the third group of coupled microstrip lines (6) is connected to form a top end, the top end is connected to one end of the microstrip line (10), and one end of the microstrip line (10) is connected to the third group of coupled microstrip lines Line (6) is connected, and the other end is in an open state; 第四组耦合微带线(7)中两条平行微带线的顶端分别与第五组耦合微带线(8)中两条平行微带线连接，第一输出端口(2)、第二输出端口(3)的一端分别和第四组耦合微带线(7)两条平行微带线的顶端垂直连接，第一输出端口(2)、第二输出端口(3)的另一端延伸至介质板(15)的边缘；The top ends of the two parallel microstrip lines in the fourth group of coupled microstrip lines (7) are respectively connected with the two parallel microstrip lines in the fifth group of coupled microstrip lines (8). One end of the output port (3) is respectively vertically connected with the top ends of the two parallel microstrip lines of the fourth group of coupled microstrip lines (7), and the other ends of the first output port (2) and the second output port (3) extend to the edge of the media plate (15); 第二组耦合微带线(5)中两条平行微带线的另一端分别与第一组耦合微带线(4)中的一条微带线末端和第四组耦合微带线(7)中的一条微带线末端垂直连接；The other ends of the two parallel microstrip lines in the second group of coupled microstrip lines (5) are respectively connected with the end of one microstrip line in the first group of coupled microstrip lines (4) and the fourth group of coupled microstrip lines (7) The ends of one of the microstrip lines are connected vertically; 第三组耦合微带线(6)中两条平行微带线的另一端分别与第一组耦合微带线(4)中的另一条微带线末端和第四组耦合微带线(7)中的另一条微带线末端垂直连接；The other ends of the two parallel microstrip lines in the third group of coupled microstrip lines (6) are respectively connected with the end of the other microstrip line in the first group of coupled microstrip lines (4) and the fourth group of coupled microstrip lines (7). ) is connected vertically at the end of another microstrip line; 第五组耦合微带线(8)中两条平行微带线的另一端相连，形成第五组耦合微带线(8)的末端；The other ends of the two parallel microstrip lines in the fifth group of coupled microstrip lines (8) are connected to form ends of the fifth group of coupled microstrip lines (8); 集总电阻(11)和集总电阻(12)，分别设置在第四组耦合微带线(7)的两端。The lumped resistance (11) and the lumped resistance (12) are respectively arranged at both ends of the fourth group of coupled microstrip lines (7). 2.根据权利要求1所述的集成高次谐波抑制和宽带带通滤波功能的耦合线功分器，所述的第一组耦合微带线(4)的长度、宽度、线间距分别为L1＝11.37mm、W1＝0.72mm、S1＝0.62mm，第一组耦合微带线(4)的偶模特性阻抗、奇模特性阻抗和电长度分别为Ze1＝130Ω，Zo1＝80Ω，θ1＝22.5°。2. The coupled line power divider integrating high-order harmonic suppression and broadband bandpass filtering functions according to claim 1, wherein the length, width and line spacing of the first group of coupled microstrip lines (4) are respectively L 1 =11.37mm, W 1 =0.72mm, S 1 =0.62mm, the even-mode characteristic impedance, odd-mode characteristic impedance and electrical length of the first group of coupled microstrip lines (4) are respectively Z e1 =130Ω, Z o1 =80Ω, θ 1 =22.5°. 3.根据权利要求1所述的集成高次谐波抑制和宽带带通滤波功能的耦合线功分器，所述的第四组耦合微带线(7)的长度、宽度、线间距分别为L2＝12.22mm、W2＝0.95mm、S2＝0.22mm，第四组耦合微带线(7)的偶模特性阻抗、奇模特性阻抗和电长度分别为Ze2＝110Ω，Zo2＝85Ω，θ2＝22.5°。3. The coupled line power divider integrating high harmonic suppression and broadband bandpass filtering function according to claim 1, the length, width and line spacing of the fourth group of coupled microstrip lines (7) are respectively L 2 =12.22mm, W 2 =0.95mm, S 2 =0.22mm, the even-mode characteristic impedance, odd-mode characteristic impedance and electrical length of the fourth group of coupled microstrip lines (7) are respectively Z e2 =110Ω, Z o2 =85Ω, θ 2 =22.5°. 4.根据权利要求1所述的集成高次谐波抑制和宽带带通滤波功能的耦合线功分器，所述的第五组耦合微带线(8)的长度、宽度、线间距分别为L3＝44.63mm、W3＝2.56mm、S3＝1.37mm，第五组耦合微带线(8)的偶模特性阻抗、奇模特性阻抗和电长度分别为Ze3＝40Ω，Zo3＝35Ω，θ3＝90°。4. The coupled line power divider integrating high-order harmonic suppression and broadband band-pass filtering functions according to claim 1, wherein the length, width and line spacing of the fifth group of coupled microstrip lines (8) are respectively L 3 =44.63mm, W 3 =2.56mm, S 3 =1.37mm, the even-mode characteristic impedance, odd-mode characteristic impedance and electrical length of the fifth group of coupled microstrip lines (8) are respectively Z e3 =40Ω, Z o3 =35Ω, θ 3 =90°. 5.根据权利要求1所述的集成高次谐波抑制和宽带带通滤波功能的耦合线功分器，所述的第二组耦合微带线(5)和第三组耦合微带线(6)的尺寸相同，长度，宽度，线间距分别为L4＝11.97mm、W4＝0.33mm、S4＝0.2mm，第二组耦合微带线(5)和第三组耦合微带线(6)的偶模特性阻抗、奇模特性阻抗和电长度分别为Ze4＝125Ω，Zo4＝55Ω，θ4＝22.5°。5. The coupled line power divider integrating high-order harmonic suppression and broadband bandpass filtering functions according to claim 1, the second group of coupled microstrip lines (5) and the third group of coupled microstrip lines ( 6) The dimensions are the same, the length, width and line spacing are L 4 =11.97mm, W 4 =0.33mm, S 4 =0.2mm, the second group of coupled microstrip lines (5) and the third group of coupled microstrip lines The even-mode characteristic impedance, odd-mode characteristic impedance, and electrical length of (6) are Ze4 =125Ω, Z o4 =55Ω, and θ 4 =22.5°, respectively. 6.根据权利要求1所述的集成高次谐波抑制和宽带带通滤波功能的耦合线功分器，所述的微带线(9)和微带线(10)的尺寸相同，长度、宽度分别为L5＝11.2mm，W5＝1mm，微带线(9)和微带线(10)的特性阻抗和电长度分别为Z5＝78Ω，θ5＝22.5°。6. The coupled line power divider integrating high-order harmonic suppression and wideband bandpass filtering function according to claim 1, the size of the microstrip line (9) and the microstrip line (10) are the same, and the length, The widths are L 5 =11.2mm and W 5 =1mm, respectively, and the characteristic impedance and electrical length of the microstrip line (9) and the microstrip line (10) are Z 5 =78Ω, θ 5 =22.5°, respectively. 7.根据权利要求1所述的集成高次谐波抑制和宽带带通滤波功能的耦合线功分器，所述的输入端口(1)、第一输出端口(2)和第二输出端口(3)的尺寸相同，长度、宽度分别为L0＝25mm，W0＝1.72mm。7. The coupled-line power divider integrating high-order harmonic suppression and broadband band-pass filtering functions according to claim 1, wherein the input port (1), the first output port (2) and the second output port ( 3) The dimensions are the same, and the length and width are L 0 =25mm and W 0 =1.72mm respectively. 8.根据权利要求1所述的集成高次谐波抑制和宽带带通滤波功能的耦合线功分器，所述的集总电阻(11)和集总电阻(12)的阻值分别为R1＝120Ω，R2＝280Ω。8. The coupled line power divider integrating high-order harmonic suppression and broadband band-pass filtering functions according to claim 1, wherein the resistance values of the lumped resistance (11) and the lumped resistance (12) are respectively R 1 =120Ω, R 2 =280Ω. 9.根据权利要求1所述的集成高次谐波抑制和宽带带通滤波功能的耦合线功分器，所述的过孔(13)的半径r＝0.7mm。9. The coupled line power divider integrating high harmonic suppression and broadband band-pass filtering functions according to claim 1, wherein the radius of the via (13) is r=0.7 mm.
CN201610308677.0A 2016-05-11 2016-05-11 Coupled Line Power Divider with Integrated High Harmonic Suppression and Broadband Bandpass Filtering Active CN105977598B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610308677.0A CN105977598B (en) 2016-05-11 2016-05-11 Coupled Line Power Divider with Integrated High Harmonic Suppression and Broadband Bandpass Filtering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610308677.0A CN105977598B (en) 2016-05-11 2016-05-11 Coupled Line Power Divider with Integrated High Harmonic Suppression and Broadband Bandpass Filtering

Publications (2)

Publication Number Publication Date
CN105977598A CN105977598A (en) 2016-09-28
CN105977598B true CN105977598B (en) 2019-02-19

Family

ID=56992861

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610308677.0A Active CN105977598B (en) 2016-05-11 2016-05-11 Coupled Line Power Divider with Integrated High Harmonic Suppression and Broadband Bandpass Filtering

Country Status (1)

Country Link
CN (1) CN105977598B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106410356B (en) * 2016-11-30 2020-08-18 中国科学院微电子研究所 Miniaturized Broadband Power Divider Circuit Based on Spur Wire
US10476125B2 (en) * 2017-09-29 2019-11-12 Nanning Fugui Precision Industrial Co., Ltd. Power distribution circuit and multiplex power distribution circuit
WO2019205084A1 (en) * 2018-04-27 2019-10-31 Telefonaktiebolaget Lm Ericsson (Publ) Radio frequency power amplifier and device
CN109713419A (en) * 2019-02-15 2019-05-03 重庆邮电大学 A kind of model filters power splitter with Wide stop bands and high-isolation
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
CN112768864B (en) * 2020-12-28 2022-02-01 杭州电子科技大学 Microstrip-slot line coupled dual-band 90-degree directional coupler
CN114497956A (en) * 2022-03-03 2022-05-13 深圳振华富电子有限公司 Broadband power divider and microwave system
CN117374543B (en) * 2023-12-05 2024-04-19 兰州交通大学 An integrated resonance suppression power divider

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO301202B1 (en) * 1995-06-28 1997-09-22 Ame Space As adaptation circuit
US6043722A (en) * 1998-04-09 2000-03-28 Harris Corporation Microstrip phase shifter including a power divider and a coupled line filter
US6483397B2 (en) * 2000-11-27 2002-11-19 Raytheon Company Tandem six port 3:1 divider combiner
US6987488B1 (en) * 2001-02-16 2006-01-17 The Texas A&M University System Electromagnetic phase shifter using perturbation controlled by piezoelectric transducer and pha array antenna formed therefrom
US6593833B2 (en) * 2001-04-04 2003-07-15 Mcnc Tunable microwave components utilizing ferroelectric and ferromagnetic composite dielectrics and methods for making same
CN102403562A (en) * 2011-11-02 2012-04-04 华南理工大学 Powder divider integrating a dual-frequency bandpass filter
CN103915669B (en) * 2014-03-07 2017-01-11 华南理工大学 Filtering power divider with double passing bands
CN105098309B (en) * 2015-07-07 2018-01-05 北京邮电大学 A kind of anti-phase power splitter
CN105449323B (en) * 2016-01-11 2018-04-17 北京邮电大学 A kind of planer dual-frequency wave filter of frequency band Independent adjustable

Also Published As

Publication number Publication date
CN105977598A (en) 2016-09-28

Similar Documents

Publication Publication Date Title
CN105977598B (en) Coupled Line Power Divider with Integrated High Harmonic Suppression and Broadband Bandpass Filtering
KR102046408B1 (en) A power divider with enhanced selectivity performance
CN106816678B (en) A Transverse Directional Coupler with Arbitrary Output Amplitude and Phase
CN103915665B (en) The balancing band bandpass filter that a kind of compact ultra broadband biobelt falls into
CN104934663A (en) Broadband high-selectivity balanced band-pass filter based on multimode resonators
CN105449323B (en) A kind of planer dual-frequency wave filter of frequency band Independent adjustable
CN203760599U (en) Compact type ultra wide band double-band-notch balance band-pass filter
CN108417941A (en) Balanced-Unbalanced Filter Power Splitter Based on Ring Resonator
CN105244589B (en) branch line coupler and its manufacturing method
WO2018171180A1 (en) Band-pass filter based on ring resonator
CN106410356A (en) Miniature broadband power divider circuit based on spurt line
CN112133992B (en) Filtering power divider with high out-of-band rejection and full-band absorption functions
US20150280305A1 (en) Power processing circuit and multiplex amplification circuit
CN110247147B (en) A microstrip bandpass power divider
CN108123196A (en) Wideband filtered based on vertical two-sided parallel strips integrates three-dimensional balun
Feng et al. Wideband balanced bandpass filter based on three-line coupled structure
CN105304984A (en) Balance band-pass filter based on interdigital multimode resonators
CN103985928B (en) A kind of ultra broadband balanced filter based on slotted line structure
CN112234333B (en) Surface-mounted hybrid coupler
CN204947046U (en) Based on the LTCC filter of frequency selectivity coupling suppression three quintuple harmonicss
Phromloungsri et al. A high directivity coupler design using an inductive compensation technique
Chen et al. Compact microstrip parallel coupler with high isolation
CN104659447B (en) Based on terminal short circuit from the narrowband differential bandpass filter of coupling ring shape resonator
Fujii et al. High directivity quarter-wave microstrip couplers with periodic floating-conductors on coupled edges
KR101367310B1 (en) Wideband planar 3 db branch line coupler improving selectivity

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant