CN107395223A - Sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction - Google Patents
Sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction Download PDFInfo
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- CN107395223A CN107395223A CN201710488023.5A CN201710488023A CN107395223A CN 107395223 A CN107395223 A CN 107395223A CN 201710488023 A CN201710488023 A CN 201710488023A CN 107395223 A CN107395223 A CN 107395223A
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- microstrip line
- minor matters
- microstrip
- sender unit
- coupling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
- H01P1/20327—Electromagnetic interstage coupling
- H01P1/20354—Non-comb or non-interdigital filters
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention provides a kind of sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction, the sender unit includes wave filter, voltage controlled oscillator, amplifier and transmitting antenna, the output end of the voltage controlled oscillator is connected with the input of the amplifier, the wave filter includes being arranged at two signal transmission end of medium plate surface, the output end of the amplifier is connected with a signal transmission end of the wave filter, and another output end of the wave filter is connected with the transmitting antenna.Sender unit of the present invention can realize that opposite band is roomy and has high selectivity to passband signal, introduce less noise, avoid interfering radio-frequency front-end.
Description
Technical field
The present invention relates to technical field of micro communication, more particularly to one kind to have the coupling of three minor matters and double minor matters matching micro-strip
The sender unit of cable architecture.
Background technology
Sender unit is in transmission signal, in order to ensure signal transmission is interference-free, it usually needs pass through wave filter
Signal is filtered.Specifically, a kind of critically important device of the wave filter as radio-frequency front-end, can filter out out-of-band noise,
Improve the sensitivity of circuit system.Microstrip filter is a kind of device for separating different frequency microwave signal.It main
Effect is to suppress unwanted signal, prevents it from by wave filter, only allowing the signal of needs to pass through.In microwave circuit system
In, the performance of wave filter has a great impact to the performance indications of circuit system.In general, the relative bandwidth of wave filter and right
It is material impact index that passband signal, which has high selectivity, and the relative bandwidth of existing wave filter and to passband signal have height
Selectivity is relatively poor, causes the performance for influenceing whole communication system.Therefore, it is necessary to which a kind of have high broadband Out-of-band rejection performance
Sender unit.
The content of the invention
It is an object of the invention to provide a kind of signal hair with the coupling of three minor matters and double minor matters matching microstrip line construction
Injection device, it is intended to solve sender unit of the prior art relative bandwidth is low and technology that bandpass signal is selectively poor
Problem.
To achieve the above object, the invention provides a kind of there are the coupling of three minor matters and double minor matters to match microstrip line construction
Sender unit, the sender unit includes wave filter, voltage controlled oscillator, amplifier and transmitting antenna, described voltage-controlled
The output end of oscillator is connected with the input of the amplifier, and the wave filter includes two letters for being arranged at medium plate surface
Number transmission end, the output end of the amplifier are connected with a signal transmission end of the wave filter, and the wave filter is in addition
One output end is connected with the transmitting antenna, wherein：
The wave filter also include being arranged on two first microstrip lines of medium plate surface, two second microstrip lines, two
3rd microstrip line, two the 4th microstrip lines, two the 5th microstrip lines, two the 6th microstrip lines, two the 7th microstrip lines and two
Signal transmission end, the broadband band-pass filter is symmetrical on the first central axis, the broadband band-pass filter on
Second central axis is symmetrical above and below, and first central axis is two horizontal frames up and down of the broadband band-pass filter
The line at midpoint, second central axis are the company at the midpoint of the two longitudinal frames in left and right of the broadband band-pass filter
Line；
Two first microstrip lines, two second microstrip lines, two the 3rd microstrip lines, two the 4th microstrip lines, two
5th microstrip line and two signal transmission end with first centerline axis parallel, two the 6th microstrip lines and two
Seven microstrip lines with second centerline axis parallel；
One end of every first microstrip line is connected with a signal output part, the other end of every first microstrip line and one
One end of second microstrip line and one end connection of the 3rd microstrip line, every 4th microstrip line are arranged at second microstrip line
And in the space formed between the 3rd microstrip line, one end of every 4th microstrip line and one end of the 5th microstrip line connect
Connect, the other end of the 5th microstrip line is connected with one end of another 5th microstrip line, and every 6th microstrip line one end vertically connects
The link position of two the 5th microstrip lines is connected to, is often connected with the other end of the 6th microstrip line and one end of the 7th microstrip line
Connect；And
Every second microstrip line and the 3rd microstrip line and a 4th microstrip line three minor matters coupled structures of formation, every
6th microstrip line and the 7th microstrip line form double minor matters matching open-circuited loads.
Preferably, it is described that there is the coupling of three minor matters and the sender unit of double minor matters matching microstrip line construction to include two
Double minor matters matching open-circuited loads and two three minor matters coupled structures.
Preferably, described two signal transmission end are respectively used to the input of signal and the output of signal, wherein, a signal
Transmission end is as signal input part, and another signal transmission end is as signal output part.
Preferably, first microstrip line, the second microstrip line, the 3rd microstrip line, the 4th microstrip line, the 5th microstrip line,
Six microstrip lines, the 7th microstrip line and signal transmission end are the metal copper sheet of strip structure.
Preferably, the length of first microstrip line be 10mm, width 1.66mm, second microstrip line and the 3rd micro-
Length with line is that 14.5mm, width are 0.21mm, and the length of the 4th microstrip line is 14.5mm, width is
0.12mm, the 4th microstrip line to the beeline between the second microstrip line are 0.18mm, the 4th microstrip line to the 3rd micro-strip
Beeline between line is 0.18mm, and the length of the 5th microstrip line is 11.5mm, width 2.88mm, the 6th microstrip line
Length be L4=12.9mm, width 0.38mm, the length of the 7th microstrip line is 10.8mm, width 2.78mm, the letter
The length of number transmission end is 10mm, width 1.66mm.
Preferably, the impedance of each first microstrip line is 50 Ω, each two, three, four microstrip lines collectively form one three
Coupled structure is saved, the odd mode characteristic impedance of each three minor matters coupled structure is 10 Ω, ever mode characteristic impedance is 8 Ω, electrical length is
90 degree, the impedance of each 5th microstrip line is 11 Ω, and the impedance of each 6th microstrip line is 10 Ω, the resistance of each 7th microstrip line
Resist for 12 Ω.
Preferably, it is described that there are the coupling of three minor matters and double minor matters to match and be also set up on the sender unit of microstrip line construction
There are power supply, first voltage adjustment module and the first Voltage stabilizing module, the first voltage adjustment module and the first Voltage stabilizing module and pressure
Controlled oscillator connects, and the power supply electrically connects with first voltage adjustment module and the first Voltage stabilizing module.
Preferably, it is described that there are the coupling of three minor matters and double minor matters to match and be also set up on the sender unit of microstrip line construction
There are power supply, second voltage adjustment module and the second Voltage stabilizing module, the second voltage adjustment module and the second Voltage stabilizing module and put
Big device connection, the power supply electrically connect with second voltage adjustment module and the second Voltage stabilizing module.
Compared to prior art, the signal hair with the coupling of three minor matters and double minor matters matching microstrip line construction of the present invention
Injection device, can be in the microstrip line of script by being designed to that two double minor matters match open-circuited load and two three minor matters coupled structures
On the basis of filtering performance, realize that opposite band is roomy and has high selectivity to passband signal, introduce less noise, avoid
Radio-frequency front-end is interfered so that the signal of transmitting is apparent, and noise is less.
Brief description of the drawings
Fig. 1 is that the structure that the present invention has the sender unit of the coupling of three minor matters and double minor matters matching microstrip line construction is shown
It is intended to.
Fig. 2 is voltage-controlled in sender unit of the present invention with the coupling of three minor matters and double minor matters matching microstrip line construction shakes
Swing the structural representation of the preferred embodiment of device.
Fig. 3 is amplifier in sender unit of the present invention with the coupling of three minor matters and double minor matters matching microstrip line construction
Preferred embodiment structural representation.
Fig. 4 is the sender unit median filter that the present invention has the coupling of three minor matters and double minor matters matching microstrip line construction
The structural representation of preferred embodiment.
Fig. 5 is the sender unit median filter that the present invention has the coupling of three minor matters and double minor matters matching microstrip line construction
The circuit theory diagrams of preferred embodiment.
Fig. 6 is that there is the present invention coupling of three minor matters and the sender unit of double minor matters matching microstrip line construction to pass through electromagnetism
The S parameter result schematic diagram of simulation software emulation.
Embodiment
With reference to specific embodiment, the present invention is described in further detail, and following examples are the solutions to the present invention
Release, the invention is not limited in following examples.
With reference to shown in figure 1, Fig. 1 is that the present invention has the coupling of three minor matters and the signal transmitting of double minor matters matching microstrip line construction
The structural representation of device.In the present embodiment, it is of the present invention that there is the coupling of three minor matters and double minor matters matching microstrip line construction
Sender unit 1 include wave filter 10, voltage controlled oscillator 20, amplifier 30 and transmitting antenna 40, the voltage controlled oscillator
20 output end is connected with the input of the amplifier 30, the output end of the amplifier 30 and the input of the wave filter 10
End connection, the output end of the wave filter 10 are connected with the input of the transmitting antenna.
It is described that there is the coupling of three minor matters and the sender unit 1 of double minor matters matching microstrip line construction to be used to produce signal
(for example, signal of communication) and launched by transmitting antenna 40 to aerial.In the present embodiment, the transmitting antenna 40 is sent out for Yagi spark gap
Penetrate antenna, wherein the tranmitting frequency of transmitting antenna 40 340 between 570MHz.
With reference to shown in figure 2, Fig. 2 is that the present invention has the coupling of three minor matters and the signal transmitting of double minor matters matching microstrip line construction
The structural representation of the preferred embodiment of voltage controlled oscillator in device.
It is described have three minor matters couple and double minor matters matching microstrip line construction sender unit 1 also set up power supply 204,
The Voltage stabilizing module 203 of first voltage adjustment module 202 and first.The Voltage stabilizing module 203 of first voltage adjustment module 202 and first
And voltage controlled oscillator 20 connects.The power supply 204 electrically connects with the Voltage stabilizing module 203 of first voltage adjustment module 202 and first.Institute
State power supply 204 and be used to be the offer electric energy of voltage controlled oscillator 20.The first voltage adjustment module 202 be used for by voltage-regulation with
Voltage controlled oscillator 20 is controlled to produce the signal of different frequency.First Voltage stabilizing module 203 is used for the voltage-regulation of power supply 204
And voltage stabilizing influences the first voltage adjustment module 202 to prevent the voltage pulsation of power supply 204.In the present embodiment, it is described
First voltage adjustment module 202 may be, but not limited to, potentiometer or slide rheostat.First Voltage stabilizing module 203 is steady
Depressor.It should be noted that the connecting wire in Fig. 2 between power supply 204 and voltage controlled oscillator 20 can't be adjusted with first voltage
The connecting wire saved between the Voltage stabilizing module 203 of module 202 and first forms the path of cross, and is intended merely to Fig. 2 display just
Profit.In other embodiments, the first voltage adjustment module 202 can be omitted with the first Voltage stabilizing module 203.
With reference to shown in figure 3, Fig. 3 is that the present invention has the coupling of three minor matters and the signal transmitting of double minor matters matching microstrip line construction
The structural representation of the preferred embodiment of amplifier in device.
It is described that there is the coupling of three minor matters and the also second voltage regulation of sender unit 1 of double minor matters matching microstrip line construction
The Voltage stabilizing module 303 of module 302 and second.The second voltage adjustment module 302 connects with the second Voltage stabilizing module 303 and amplifier 30
Connect.The power supply 204 electrically connects with the Voltage stabilizing module 303 of second voltage adjustment module 302 and second.The power supply 204 is used for
Amplifier 30 provides electric energy.The second voltage adjustment module 302 is used for by voltage-regulation to control amplifier 30 to produce not
The signal of same frequency.Second Voltage stabilizing module 303 is used for the voltage-regulation of power supply 204 and voltage stabilizing to prevent power supply 204
Voltage pulsation and influence the second voltage adjustment module 302.In the present embodiment, the second voltage adjustment module 302 can
To be, but it is not limited to, potentiometer or slide rheostat.Second Voltage stabilizing module 303 is voltage-stablizer.It should be noted that Fig. 3
Connecting wire between middle power supply 204 and amplifier 30 can't be with the Voltage stabilizing module 303 of second voltage adjustment module 302 and second
Between connecting wire formed cross path, and be intended merely to Fig. 3 display facility.In other embodiments, described second
VRM Voltage Regulator Module 302 can omit with the second Voltage stabilizing module 303.
In the present embodiment, the sender unit 1 produces a signal by voltage controlled oscillator 20, passes through amplifier
30 amplify the radio-frequency power of the signal, (are up to for example, 6dBm power signal is amplified into adjustable power signal
60W), and by wave filter 10 to the signal for sending out big filter, launched afterwards by transmitting antenna 40 into air.
With reference to shown in figure 4 to 5, Fig. 4 is the signal that the present invention has the coupling of three minor matters and double minor matters matching microstrip line construction
The structural representation of emitter median filter preferred embodiment；Fig. 5 is that the present invention has the coupling of three minor matters and the matching of double minor matters
The circuit theory diagrams of the sender unit median filter preferred embodiment of microstrip line construction.
In the present embodiment, the wave filter 10 include be arranged on the surface of dielectric-slab 100 two first microstrip lines 101,
Two second microstrip lines, 102, two the 3rd microstrip lines, 103, two the 4th microstrip lines, 104, two the 5th microstrip lines 105, two
6th the 7th microstrip line 107 of microstrip line 106, two and two signal transmission end P1.
The wave filter 10 is symmetrical on the first central axis (the ab lines in Fig. 1), and on the second central axis
(the cd lines in Fig. 1) is symmetrical above and below, and first central axis is the midpoint of two horizontal frames up and down of the wave filter 10
Line (i.e. line a-b in Fig. 4), second central axis for the wave filter 10 the two longitudinal frames in left and right midpoint
Line (i.e. line c-d in Fig. 4), the first central axis is mutually perpendicular to the second central axis.
Further, two first microstrip lines, 101, two second microstrip lines, 102, two the 3rd microstrip lines 103, two
104, two the 5th microstrip lines 105 of the 4th microstrip line of root and two signal transmission end P1 are put down with two articles of horizontal frames up and down
OK, the vertical frame in two articles of left and right of two the 6th microstrip lines 106 and two the 7th microstrip lines 107 with the wave filter 10
It is parallel.
It should be noted that first central axis and the second central axis are not metal structure in the wave filter 10
Into part, but when in order to produce or design, facilitate user by the element on the wave filter 10 (for example, two
One the 4th microstrip line 104, two the 5th of the 3rd microstrip line 103, two of second microstrip line 102, two of microstrip line 101, two is micro-
Band 105, two the 6th 106, two the 7th microstrip lines 107 of microstrip line of line and two signal transmission end P1) on the first central shaft
Line is symmetrical and symmetrical above and below on the second central axis.When the wave filter 10 works, the central axis can't
Participate in any operations such as signal filtering.In the present embodiment, first central axis and the second central axis are for convenience
The left and right of wave filter 10 and structure symmetrical above and below are described.Wherein, the output end of the amplifier 30 and the one of the wave filter 10
Individual signal transmission end P connections, another signal transmission end P of the wave filter 10 connect with the input of the transmitting antenna 40
Connect.
One end of every first microstrip line 101 is connected with a signal output part P1, every first microstrip line 101 it is another
Hold one end with one end of second microstrip line 102 and the 3rd microstrip line 103 to be connected, wherein, the second microstrip line 102 and
Space is provided between 3rd microstrip line 103, every 4th microstrip line 104 is arranged at second microstrip line 102 and one
In the space formed between three microstrip lines 103, one end of the 4th microstrip line 104 and one end of the 5th microstrip line 105 connect
Connect, the other end of the 5th microstrip line 105 is connected with one end of another 5th microstrip line 105, every 6th microstrip line 106 1
End is vertically connected at the link positions of two the 5th microstrip lines 105, often the 7th micro- with the other end of the 6th microstrip line 106 and one
One end connection with line 107.Wherein, every second microstrip line 102 and the 3rd microstrip line 103 and the 4th microstrip line
104 form three minor matters coupled structures 1200, and every 6th microstrip line 106 and the 7th microstrip line 107 form double minor matters matchings
Open-circuited load 1000.From Fig. 1 and Fig. 2 can be seen that the wave filter 10 include two double minor matters matching open-circuited loads 1000 and
Two three minor matters coupled structures 1200.
The dielectric-slab 100 is a kind of pcb board, and specific sheet material type is Roger RO4350B, wherein relative dielectric is normal
Number is 3.66, thickness of slab 0.762mm.
In the present embodiment, the first microstrip line 101, the second microstrip line 102, the 3rd microstrip line 103, the 4th microstrip line 104,
5th microstrip line 105, the 6th microstrip line 106, the 7th microstrip line 107 and signal transmission end P1 are the metallic copper of strip structure
Piece.Wave filter of the present invention, by changing the length and width of microstrip line, can make this hair relative to existing bandpass filter
The bright wave filter 10 reaches good matching effect in working frequency range.
In the present embodiment, the working band of the wave filter 10 passes through specific embodiment in 1.99GHz-4.72GHz
To illustrate to be arranged on first microstrip line 101 on the surface of dielectric-slab 100, the second microstrip line 102, the 3rd microstrip line 103, the 4th micro-strip
Line 104, the 5th microstrip line 105, the 6th microstrip line 106, the 7th microstrip line 107 and signal transmission end P1 length and width.
Specifically, as shown in Figure 4：
The length of first microstrip line 101 is L=10mm, and the width of the first microstrip line 101 is W=1.66mm.
The length of second microstrip line 102 and the 3rd microstrip line 103 is identical, is L1=14.5mm, the second microstrip line 102 and
The width of 3rd microstrip line is identical, is W1=0.21mm.
The length of 4th microstrip line 104 is L1=14.5mm, and the width of the 4th microstrip line is W2=0.12mm, the 4th micro-strip
Beeline between the microstrip line of line 104 to the second 102 is S1=0.18mm, the microstrip line 103 of the 4th microstrip line 104 to the 3rd it
Between beeline be S1=0.18mm.
The length of 5th microstrip line 105 is L3=11.5mm, and the width of the 5th microstrip line 105 is W3=2.88mm.
The length of 6th microstrip line 106 is L4=12.9mm, and the width of the 6th microstrip line 106 is W4=0.38mm.
The length of 7th microstrip line 107 is L5=10.8mm, and the width of the 7th microstrip line 107 is W5=2.78mm.
Signal transmission end P1 length is L0=10mm, and signal transmission end P1 width is W0=1.66mm.
It should be noted that the metal copper thickness being arranged on pcb board is generally um levels, therefore the present invention is not to the
One microstrip line 101, the second microstrip line 102, the 3rd microstrip line 103, the 4th microstrip line 104, the 5th microstrip line 105, the 6th micro-strip
The metal copper thickness of the length and width of line 106, the 7th microstrip line 107 and signal transmission end P1 is any limitation as, and is had no effect on
The characteristic of wave filter of the present invention.In addition, two signal transmission end P1 are respectively used to the input of signal and the output of signal, its
In, a signal transmission end P1 is as signal input part, and P1 is as signal output part for another signal transmission end.Further
Ground, signal input part can be the signal transmission end P1 on the left side in Fig. 1 or signal transmission end P1 on the right；Signal is defeated
Going out to hold can be the signal transmission end P1 on the left side in Fig. 1 or signal transmission end P1 on the right.If for example, left side in Fig. 1
Signal transmission end P1 as signal input part, then the signal transmission end P1 on the right is as signal output part in Fig. 1, and signal is from a left side
The signal transmission end P1 on side enters, and is exported from the signal transmission end P1 on the right.If the signal transmission end P1 on the left side is as letter in Fig. 1
Number output end, then the signal transmission end P1 on the right enters as signal input part, signal from the signal transmission end P1 on the right in Fig. 1
Enter, exported from the signal transmission end P1 on the left side.
In the present embodiment, the impedance of each first microstrip line is 50 Ω, each two, three, four microstrip lines collectively form one
Individual three minor matters coupled structure, the odd mode characteristic impedance of each three minor matters coupled structure is 10 Ω, ever mode characteristic impedance is 8 Ω, electricity
Length is 90 degree, and the impedance of each 5th microstrip line is 11 Ω, and the impedance of each 6th microstrip line is 10 Ω, each 7th micro-strip
The impedance of line is 12 Ω.
Wave filter of the present invention is by being designed to that two double minor matters match open-circuited load 1000 and two three minor matters couplings
Close structure 1200, it is possible to achieve in particular job frequency band so that the microstrip line of script has filtering performance, has to passband signal
There is high selectivity, introduce less noise, avoid interfering radio-frequency front-end.
With reference to shown in figure 6, Fig. 6 is the S parameter result schematic diagram that wave filter of the present invention is emulated by electromagnetic simulation software.
From fig. 6, it can be seen that the wave filter 10 working band 1.99GHz-4.72GHz (in Fig. 6 | S11 | curve is indulged
Frequency range corresponding to coordinate -10dB), there is 81.37% [(4.72-1.99)/(0.5* (4.72+1.99))] relative bandwidth,
That is, broader relative bandwidth is had using the structure of the present invention.Meanwhile when the frequency of working band is 1.28GHz,
Reflectance factor (i.e. in Fig. 6 | S11 |) -67dB can be reached, when the frequency of working band is 6.5GHz, transmission coefficient is (i.e.
In Fig. 6 | S21 |) it is -95dB, from fig. 6 it can be seen that the passband signal of the wave filter 10 has high selectivity.Thus
Understanding, wave filter of the invention can have high selectivity, and broader relative bandwidth to passband signal, introduce less noise,
Avoid interfering radio-frequency front-end.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction, it is characterised in that described
Sender unit includes wave filter, voltage controlled oscillator, amplifier and transmitting antenna, the output end of the voltage controlled oscillator and institute
The input connection of amplifier is stated, the wave filter includes being arranged at two signal transmission end of medium plate surface, the amplification
The output end of device is connected with a signal transmission end of the wave filter, another output end and the hair of the wave filter
Antenna connection is penetrated, wherein：
The wave filter also include being arranged on two first microstrip lines of medium plate surface, two second microstrip lines, two pieces the 3rd
Microstrip line, two the 4th microstrip lines, two the 5th microstrip lines, two the 6th microstrip lines and two the 7th microstrip lines, the broadband
Bandpass filter is symmetrical on the first central axis, and the broadband band-pass filter is on right above and below the second central axis
Claim, first central axis for the midpoint of two horizontal frames up and down of the broadband band-pass filter line, described the
Two central axis are the line at the midpoint of the two longitudinal frames in left and right of the broadband band-pass filter；
Two first microstrip lines, two second microstrip lines, two the 3rd microstrip lines, two the 4th microstrip lines, two pieces the 5th
Microstrip line and two signal transmission end with first centerline axis parallel, two the 6th microstrip lines and two it is the 7th micro-
Band line with second centerline axis parallel；
One end of every first microstrip line is connected with a signal output part, the other end of every first microstrip line and one second
One end of microstrip line and one end connection of the 3rd microstrip line, every 4th microstrip line are arranged at second microstrip line and one
In the space formed between the microstrip line of root the 3rd, one end of every 4th microstrip line is connected with one end of the 5th microstrip line,
The other end of 5th microstrip line is connected with one end of another 5th microstrip line, and every 6th microstrip line one end is vertically connected at
The link position of two the 5th microstrip lines, often the other end with the 6th microstrip line be connected with one end of the 7th microstrip line；And
Every second microstrip line and the 3rd microstrip line and a 4th microstrip line three minor matters coupled structures of formation, every 6th
Microstrip line and the 7th microstrip line form double minor matters matching open-circuited loads.
2. the sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction according to claim 1,
Characterized in that, described there is the sender unit of the coupling of three minor matters and double minor matters matching microstrip line construction to include two double branches
Section matching open-circuited load and two three minor matters coupled structures.
3. the sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction according to claim 1,
Characterized in that, described two signal transmission end are respectively used to the input of signal and the output of signal, wherein, a signal transmission
End is used as signal input part, and another signal transmission end is as signal output part.
4. the sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction according to claim 1,
Characterized in that, first microstrip line, the second microstrip line, the 3rd microstrip line, the 4th microstrip line, the 5th microstrip line, the 6th micro-
It is the metal copper sheet of strip structure with line, the 7th microstrip line and signal transmission end.
5. the sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction according to claim 1,
Characterized in that, the length of first microstrip line is 10mm, width 1.66mm, second microstrip line and the 3rd microstrip line
Length be that 14.5mm, width are 0.21mm, the length of the 4th microstrip line is 14.5mm, width 0.12mm, institute
It is 0.18mm to state the 4th microstrip line to the beeline between the second microstrip line, the 4th microstrip line between the 3rd microstrip line most
Short distance is 0.18mm, and the length of the 5th microstrip line is 11.5mm, width 2.88mm, and the length of the 6th microstrip line is L4
=12.9mm, width 0.38mm, the length of the 7th microstrip line is 10.8mm, width 2.78mm, the signal transmission end
Length is 10mm, width 1.66mm.
6. the sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction according to claim 1,
Characterized in that, the impedance of each first microstrip line is 50 Ω, each two, three, four microstrip lines collectively form a three minor matters couplings
Structure is closed, the odd mode characteristic impedance of each three minor matters coupled structure is 10 Ω, ever mode characteristic impedance is 8 Ω, electrical length is 90 degree,
The impedance of each 5th microstrip line is 11 Ω, and the impedance of each 6th microstrip line is 10 Ω, and the impedance of each 7th microstrip line is
12Ω。
7. the sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction according to claim 1,
Characterized in that, described there are the coupling of three minor matters and double minor matters to match and be additionally provided with electricity on the sender unit of microstrip line construction
Source, first voltage adjustment module and the first Voltage stabilizing module, the first voltage adjustment module and the first Voltage stabilizing module and voltage-controlled shake
Device connection is swung, the power supply electrically connects with first voltage adjustment module and the first Voltage stabilizing module.
8. the sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction according to claim 1,
Characterized in that, described there are the coupling of three minor matters and double minor matters to match and be additionally provided with electricity on the sender unit of microstrip line construction
Source, second voltage adjustment module and the second Voltage stabilizing module, the second voltage adjustment module and the second Voltage stabilizing module and amplifier
Connection, the power supply electrically connect with second voltage adjustment module and the second Voltage stabilizing module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488023.5A CN107395223A (en) | 2017-06-23 | 2017-06-23 | Sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction |
| PCT/CN2017/114059 WO2018233229A1 (en) | 2017-06-23 | 2017-11-30 | Signal transmission apparatus having three-branch coupled and dual-branch matching micro-strip line structures |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488023.5A CN107395223A (en) | 2017-06-23 | 2017-06-23 | Sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction |
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| CN107395223A true CN107395223A (en) | 2017-11-24 |
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| CN201710488023.5A Pending CN107395223A (en) | 2017-06-23 | 2017-06-23 | Sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction |
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| CN (1) | CN107395223A (en) |
| WO (1) | WO2018233229A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018233230A1 (en) * | 2017-06-23 | 2018-12-27 | 深圳市景程信息科技有限公司 | Broadband bandpass filter with widened relative bandwidth |
| WO2018233227A1 (en) * | 2017-06-23 | 2018-12-27 | 深圳市景程信息科技有限公司 | Broadband bandpass filter loaded with three-branch coupled micro-strip line |
| WO2018233229A1 (en) * | 2017-06-23 | 2018-12-27 | 深圳市景程信息科技有限公司 | Signal transmission apparatus having three-branch coupled and dual-branch matching micro-strip line structures |
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| CN101694899A (en) * | 2009-10-16 | 2010-04-14 | 电子科技大学 | Microstrip bandpass filter with sector open-circuit structure |
| CN101950827A (en) * | 2010-09-06 | 2011-01-19 | 华东交通大学 | Branch node loaded ultra wideband microwave filter |
| CN102544652A (en) * | 2012-01-18 | 2012-07-04 | 华南理工大学 | Ultra-wide-band filter with high selectivity and ultrahigh attenuation band restrain effect |
| CN104733813A (en) * | 2015-03-16 | 2015-06-24 | 华南理工大学 | Broadband bandpass filter with frequency and bandwidth reconfigurable |
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| CN103187599B (en) * | 2013-03-09 | 2016-02-10 | 西安电子科技大学 | A kind of band-gap adjustable micro-strip ultra-wide band filter |
| WO2016031185A1 (en) * | 2014-08-26 | 2016-03-03 | 日本電気株式会社 | Node apparatus and node apparatus control method |
| CN106785261B (en) * | 2017-01-09 | 2019-08-09 | 华东交通大学 | A kind of adjustable bandpass filter of narrowband trap |
| CN106848506A (en) * | 2017-01-11 | 2017-06-13 | 电子科技大学 | Microstrip filter method for designing |
| CN107395223A (en) * | 2017-06-23 | 2017-11-24 | 深圳市景程信息科技有限公司 | Sender unit with the coupling of three minor matters and double minor matters matching microstrip line construction |
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2017
- 2017-06-23 CN CN201710488023.5A patent/CN107395223A/en active Pending
- 2017-11-30 WO PCT/CN2017/114059 patent/WO2018233229A1/en active Application Filing
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| CN101694899A (en) * | 2009-10-16 | 2010-04-14 | 电子科技大学 | Microstrip bandpass filter with sector open-circuit structure |
| CN101950827A (en) * | 2010-09-06 | 2011-01-19 | 华东交通大学 | Branch node loaded ultra wideband microwave filter |
| CN102544652A (en) * | 2012-01-18 | 2012-07-04 | 华南理工大学 | Ultra-wide-band filter with high selectivity and ultrahigh attenuation band restrain effect |
| CN104733813A (en) * | 2015-03-16 | 2015-06-24 | 华南理工大学 | Broadband bandpass filter with frequency and bandwidth reconfigurable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018233230A1 (en) * | 2017-06-23 | 2018-12-27 | 深圳市景程信息科技有限公司 | Broadband bandpass filter with widened relative bandwidth |
| WO2018233227A1 (en) * | 2017-06-23 | 2018-12-27 | 深圳市景程信息科技有限公司 | Broadband bandpass filter loaded with three-branch coupled micro-strip line |
| WO2018233229A1 (en) * | 2017-06-23 | 2018-12-27 | 深圳市景程信息科技有限公司 | Signal transmission apparatus having three-branch coupled and dual-branch matching micro-strip line structures |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018233229A1 (en) | 2018-12-27 |
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