CN109066039A - A kind of novel micro-strip function divides duplexer - Google Patents
A kind of novel micro-strip function divides duplexer Download PDFInfo
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- CN109066039A CN109066039A CN201810660800.4A CN201810660800A CN109066039A CN 109066039 A CN109066039 A CN 109066039A CN 201810660800 A CN201810660800 A CN 201810660800A CN 109066039 A CN109066039 A CN 109066039A
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- 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
Abstract
The present invention discloses the novel micro-strip function of one kind and divides duplexer, it is equipped with the polygonal medium substrate of metal ground plate including lower surface, is equipped with input port feeder line, first to fourth output port feeder line, first to fourth output coupling line in the upper surface of the polygonal medium substrate.It is respectively equipped with first and second identical E type dual-mode resonator between the first output port feeder line and second output terminal mouth feeder line and input port feeder line, identical third and the 4th E type dual-mode resonator are respectively equipped between the third and the 4th output port feeder line and input port feeder line.It is equipped with the first isolation resistance between first and second described E type dual-mode resonator, the second isolation resistance is equipped between the third and the 4th E type dual-mode resonator.A through-hole is respectively equipped in the end of the first to fourth output coupling line.Micro-strip function of the present invention divides duplexer, compact-sized, loss is low, selectivity is high, isolation is good, has good Out-of-band rejection performance.
Description
Technical field
The present invention relates to microwave passive component technical field, especially one kind be provided simultaneously with it is compact-sized, loss it is low, selection
Property high, isolation is good and the novel micro-strip function of the multifrequency natures such as good Out-of-band rejection divides duplexer.This novel micro-strip
Function divides duplexer to have completely new topological structure, and channel separation and power distribution are realized in the case where being not necessarily to additional feeding network
Function, each channel can independent design and control, show great design flexibility.
Background technique
In recent years, with modular structural units (Modular Building Block, MBB) and monolithic integrated microwave circuit
The development of (Monolithic Microwave Integrated Circuit, MMIC), inexpensive, highly integrated, miniaturization is
Through becoming very important Consideration in modern wireless communication systems Integrated design.In general, RF front-end circuit is by different devices
Part is constituted, such as filter, power splitter etc., and these individually designed devices undoubtedly increase the physical size of front-end circuit, therefore,
Design while the most effective method that there is the device of function point and filtering characteristic to become reduction circuit size.Function divides duplexer conduct
A kind of passive element that function is integrated, receives the extensive concern of academic research person.
Document 1 [M.S.Sorkherizi, A.Vosoogh, A.A.Kishk and P.S.Kildal, " Design of
integrated diplexer-power divider,”2016IEEE MTT-S International Microwave
Symposium (IMS), San Francisco, CA, 2016, pp.1-3.] by utilizing gap waveguide technology, devise one kind
Higher order path collection successfully divides duplexer to carry out feed antenna array, but there is no realize that function divides duplexer using PCB technology
Design, circuit size are bigger than normal.
Document 2 [X.Wang, J.Wang, G.Zhang, J.S.Hong and W.Wu, " Dual-wideband
filtering power divider with good isolation and high selectivity,”IEEE
Microw.Wireless Compon.Lett., vol.27, no.12, pp.1071-1073, Dec.2017.] propose a kind of tool
There is the function filter-divider of Wide stop bands performance, however, the problem of its Insertion Loss is big, poor selectivity limits the extensive of the function filter-divider
Using.
Document 3 [C.G.Sun and J.L.Li, " Design of planar multi-way differential
power division network using double-sided parallel stripline,”Electron.Lett.,
2017,53,20, pp.1364-1366.] by devising the high function of a selectivity and dividing duplexer using E shape resonator, but
It is that its level of isolation in is not good enough.
Based on the above background, we combine the resonance mechanism of E type dual-mode resonator, utilize half wave coupled-line
Field distribution principle, realization power distribution and duplexer functionality integrate, meanwhile, the position of isolation resistance is cleverly designed, is realized
It is a kind of it is compact-sized, loss is low, selectivity is high, isolation is good and a kind of novel with good Out-of-band rejection characteristic
Micro-strip function divides duplexer, the application which divides duplexer to be highly suitable for modern wireless communication systems.
Summary of the invention
The technical problems to be solved by the present invention are:
The purpose of the present invention is to provide a kind of micro-strip function for having completely new topological structure to divide duplexer, is provided simultaneously with structure
It is compact, loss is low, selectivity is high, isolation is good and good Out-of-band rejection characteristic.
The present invention uses following technical scheme to solve above-mentioned technical problem:
The present invention proposes that a kind of novel micro-strip function divides duplexer, and the polygon for being equipped with metal ground plate including lower surface is situated between
Matter substrate is equipped with input port feeder line, the first output port feeder line, the second output in the upper surface of the polygonal medium substrate
Port feedline, third output port feeder line, the 4th output port feeder line, the first output coupling line, the second output coupling line, third
Output coupling line and the 4th output coupling line；In the first output port feeder line and second output terminal mouth feeder line and input port
Identical first E type dual-mode resonator and the 2nd E type dual-mode resonator are respectively equipped between feeder line, in the third output port
Identical 3rd E type dual-mode resonator and the 4th are respectively equipped between feeder line and the 4th output port feeder line and input port feeder line
E type dual-mode resonator；The first isolation resistance is equipped between the first E type dual-mode resonator and the 2nd E type dual-mode resonator,
The second isolation resistance is equipped between the 3rd E type dual-mode resonator and the 4th E type dual-mode resonator；In first output
Coupling line, the second output coupling line, third output coupling line and the 4th output coupling line end be respectively equipped with a through-hole.
A kind of foregoing novel micro-strip function divides duplexer, further:
The input port feeder line includes 50 ohm microstrip conduction bands and half wavelength input coupling line, 50 Europe
The input terminal of nurse microstrip line conducting wire is located at a short side of Rectangular Enclosure with Participating Media substrate, output end and half wavelength input coupling
One end of line is connected, and another short side of Rectangular Enclosure with Participating Media substrate is directed toward in the free end of the half wavelength input coupling line.
A kind of foregoing novel micro-strip function divides duplexer, further:
The first output port feeder line include the one 50 ohm microstrip conduction band and first coupling output line, described first
50 ohm microstrip conduction band one end are located at the long side of two adjacent vertical edges of polygonal medium substrate, the other end and L-shaped bending
The short side end face of the first coupling output line connect, the L-type long side and polygonal medium substrate of the first coupling output line
Vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate.
A kind of foregoing novel micro-strip function divides duplexer, further:
The second output terminal mouth feeder line include the 2nd 50 ohm microstrip conduction band and second coupling output line, described second
50 ohm microstrip conduction band one end are located at the long side of two adjacent vertical edges of polygonal medium substrate, the other end and L-shaped bending
The short side end face of the second coupling output line connect, the L-type long side and polygonal medium substrate of the second coupling output line
Vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate.
A kind of foregoing novel micro-strip function divides duplexer, further:
The third output port feeder line includes that the 3rd 50 ohm microstrip conduction band and third couple output line, the third
50 ohm microstrip conduction band one end are located at the long side of two adjacent vertical edges of polygonal medium substrate, the other end and L-shaped bending
The short side end face of third coupling output line connect, the L-type long side of third coupling output line and polygonal medium substrate
Vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate 6.
A kind of foregoing novel micro-strip function divides duplexer, further:
The 4th output port feeder line include the 4th 50 ohm microstrip conduction band and the 4th coupling output line, the described 4th
50 ohm microstrip conduction band one end are located at the long side of two adjacent vertical edges of polygonal medium substrate, the other end and L-shaped bending
The short side end face of the 4th coupling output line connect, the L-type long side and polygonal medium substrate of the 4th coupling output line
Vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate 6.
A kind of foregoing novel micro-strip function divides duplexer, further:
The first E type dual-mode resonator is symmetrical about the first minor matters loading unit.The first E type bimodulus resonance
Device is between the first output port feeder line 2 and input port feeder line.The first E type dual-mode resonator includes the first half
Wave resonator and the first minor matters loading unit, the first minor matters loading unit load on U-shaped bending the one or two/
The center of one wave resonator, the 2nd E type dual-mode resonator and the first E type dual-mode resonator are about medium substrate center pair
Claim.
A kind of foregoing novel micro-strip function divides duplexer, further:
The 3rd E type dual-mode resonator is symmetrical about third minor matters loading unit.The 3rd E type bimodulus resonance
Device is between third output port feeder line and input port feeder line.The 3rd E type dual-mode resonator includes third half
Wave resonator and third minor matters loading unit, the third minor matters loading unit load on U-shaped bending the three or two/
The center of one wave resonator, the 4th E type dual-mode resonator and the 3rd E type dual-mode resonator are about medium substrate center pair
Claim.
A kind of foregoing novel micro-strip function divides duplexer, further:
The through-hole is located at the first output coupling line, the second output coupling line, third output coupling line and
The end of four output coupling lines.
A kind of foregoing novel micro-strip function divides duplexer, further:
The polygonal medium substrate thickness is the cuboid of 0.508mm.
The invention adopts the above technical scheme compared with prior art, has following technical effect that
(1) of the invention compact-sized, it can be realized on monolithic pcb board, easy to process integrated, production cost is low.
(2) present invention has structure using the resonance mechanism of E type dual-mode resonator and the electric field distribution characteristic of main transmission line
It is compact, loss is low, selectivity is high and good Out-of-band rejection performance.
(3) present invention have completely new topological structure, be not necessarily to additional feeding network in the case where realize channel separation and
Power dividing function, each channel can independent design and control, show great design flexibility.
(4) present invention utilizes the indirect isolation resistance of resonator, and isolation is good, is suitable for modern wireless communication systems.
Detailed description of the invention
Fig. 1 is the schematic perspective view that a kind of novel micro-strip function of the invention divides duplexer.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structure size schematic diagram of embodiment 1.
Fig. 4 is the S parameter analogous diagram of embodiment 1.
Fig. 5 is the matching properties and isolation characteristic S parameter analogous diagram of two output ports of embodiment 1.
Legend: 1- input port feeder line；2- the first output port feeder line；3- second output terminal mouth feeder line；The output of 4- third
Port feedline；The 4th output port feeder line of 5-；6- polygonal medium substrate；7- metal ground plate；The first E type bimodulus resonance of A-
Device；The 2nd E type dual-mode resonator of B-；The 3rd E type dual-mode resonator of C-；The 4th E type dual-mode resonator of D-；Electricity is isolated in R1- first
Resistance；The second isolation resistance of R2-；Via hole- through-hole；
11-50 ohm microstrip conduction band；12- half wavelength input coupling line；
The one 50 ohm microstrip conduction band of 21-；22- the first output coupling line；
The 2nd 50 ohm microstrip conduction band of 31-；32- the second output coupling line；
The 2nd 50 ohm microstrip conduction band of 41-；42- the second output coupling line；
The 2nd 50 ohm microstrip conduction band of 51-；62- the second output coupling line；
A1- the first half wave resonator；A2- the first minor matters loading unit；
B1- the second half wave resonator；B2- the second minor matters loading unit；
C1- third half wave resonator；C2- third minor matters loading unit；
The 4th half wave resonator of D1-；The 4th minor matters loading unit of D2-.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing:
Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill
Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Also
It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art
The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
As shown in Figure 1 and Figure 2, a kind of novel micro-strip function of the present invention divides duplexer, including lower surface to be equipped with metal ground plate
7 polygonal medium substrate 6 is equipped with input port feeder line 1, the first output end in the upper surface of the polygonal medium substrate 6
Mouth feeder line 2, second output terminal mouth feeder line 3, third output port feeder line 4, the 4th output port feeder line 5, the first output coupling line
22, the second output coupling line 32, third output coupling line 42 and the 4th output coupling line 52.In the first output port feeder line
Identical first E type dual-mode resonator A and second is respectively equipped between 2 and second output terminal mouth feeder line 3 and input port feeder line 1
E type dual-mode resonator B, between the third output port feeder line 4 and the 4th output port feeder line 5 and input port feeder line 1
It is respectively equipped with identical 3rd E type dual-mode resonator C and the 4th E type dual-mode resonator D.In the first E type dual-mode resonator A
The first isolation resistance R1 is equipped between the 2nd E type dual-mode resonator B, in the 3rd E type dual-mode resonator C and the 4th E type
The second isolation resistance R2 is equipped between dual-mode resonator D.In the first output coupling line 22, the second output coupling line 32,
The end of three output coupling lines 42 and the 4th output coupling line 52 is respectively equipped with a through-hole.
The input port feeder line 1 includes 50 ohm microstrip conduction bands 11 and half wavelength input coupling line 12, institute
The input terminal for stating 50 ohm microstrip conducting wires 11 is located at a short side of Rectangular Enclosure with Participating Media substrate 6, output end and half wave
One end of long input coupling line 12 is connected, and Rectangular Enclosure with Participating Media substrate is directed toward in the free end of the half wavelength input coupling line 12
6 another short side.
The first output port feeder line 2 includes the one 50 ohm microstrip conduction band 21 and the first coupling output line 22, institute
State the long side that 21 one end of the one 50 ohm microstrip conduction band is located at two adjacent vertical edges of polygonal medium substrate 9, the other end with
L-shaped bending first coupling output line 22 short side end face connect, it is described first coupling output line 22 L-type long side with it is polygon
Shape medium substrate 9 vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate 9.
The second output terminal mouth feeder line 3 includes the 2nd 50 ohm microstrip conduction band 31 and the second coupling output line 32, institute
State the long side that 31 one end of the 2nd 50 ohm microstrip conduction band is located at two adjacent vertical edges of polygonal medium substrate 6, the other end with
L-shaped bending second coupling output line 32 short side end face connect, it is described second coupling output line 32 L-type long side with it is polygon
Shape medium substrate 6 vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate 6.
The third output port feeder line 4 includes that the 3rd 50 ohm microstrip conduction band 41 and third couple output line 42, institute
State the long side that 41 one end of the 3rd 50 ohm microstrip conduction band is located at two adjacent vertical edges of polygonal medium substrate 6, the other end with
The short side end face of the third coupling output line 42 of L-shaped bending connects, the L-type long side of third coupling output line 42 with it is polygon
Shape medium substrate 6 vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate 6.
The 4th output port feeder line 5 includes the 4th 50 ohm microstrip conduction band 51 and the 4th coupling output line 52, institute
State the long side that 51 one end of the 4th 50 ohm microstrip conduction band is located at two adjacent vertical edges of polygonal medium substrate 6, the other end with
L-shaped bending the 4th coupling output line 52 short side end face connect, it is described 4th coupling output line 52 L-type long side with it is polygon
Shape medium substrate 6 vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate 6.
The first E type dual-mode resonator A is symmetrical about the first minor matters loading unit A2.The first E type bimodulus
Resonator A is between the first output port feeder line 2 and input port feeder line 1.The first E type dual-mode resonator A includes first
Half wave resonator A1 and the first minor matters loading unit A2, the first minor matters loading unit A2 load on U-shaped curved
The center of first half wave resonator A1 of folding.
The 2nd E type dual-mode resonator B is symmetrical about the second minor matters loading unit B2.The 2nd E type bimodulus
Resonator B is between second output terminal mouth feeder line 3 and input port feeder line 1.The 2nd E type dual-mode resonator B includes second
Half wave resonator B1 and the second minor matters loading unit B2, the second minor matters loading unit B2 load on U-shaped curved
The center of second half wave resonator B1 of folding, the 2nd E type dual-mode resonator B and the first E type dual-mode resonator A
About medium substrate central symmetry.
The 3rd E type dual-mode resonator C is symmetrical about third minor matters loading unit C2.The 3rd E type bimodulus
Resonator C is between third output port feeder line 4 and input port feeder line 1.The 3rd E type dual-mode resonator C includes third
Half wave resonator C1 and third minor matters loading unit C2, the third minor matters loading unit C2 loads on U-shaped curved
The center of the third half wave resonator C1 of folding.
The 4th E type dual-mode resonator D is symmetrical about the 4th minor matters loading unit D2.The 4th E type bimodulus
Resonator D is between the 4th output port feeder line 5 and input port feeder line 1.The 4th E type dual-mode resonator D includes the 4th
Half wave resonator D1 and the 4th minor matters loading unit D2, the 4th minor matters loading unit D2 load on U-shaped curved
The center of 4th half wave resonator D1 of folding, the 4th E type dual-mode resonator D and the 3rd E type dual-mode resonator C
About medium substrate central symmetry.
It is defeated that the through-hole Via hole is located at the first output coupling line 22, the second output coupling line 32, third
The end of coupling line 42 and the 4th output coupling line 52 out.
The polygonal medium substrate 6 is the cuboid with a thickness of 0.508mm.
The principle of the present invention is described with reference to the accompanying drawing.The novel micro-strip function of one kind of the present invention divides in duplexer, E
The length and width of half wave resonator A1, B1, C1, D1 of type dual-mode resonator A, B, C, D determine the position of passband
It sets, the length and width for adjusting minor matters loading unit A2, B2, C2, D2 can change the bandwidth and flatness of passband, two/
Coupling spacing and coupling output line between one wavelength input coupling line 12 and half wave resonator A1, B1, C1, D1
22,32,42,52 respectively the coupling spacing between half wave resonator A1, B1, C1, D1 on stiffness of coupling influence compared with
Greatly, the smaller stiffness of coupling of spacing is bigger；In addition, isolation resistance R1, R2 are affected to the isolation of output port, isolation is adjusted
The size of resistance can get optimal isolation degree.
The present invention is carried out in manufacture by metal covering of the printed-circuit board manufacturing technology to circuit substrate front and the back side
Processing corrosion, thus the metal pattern needed for being formed, structure is simple, can realize on monolithic pcb board, easy to process integrated, raw
It produces at low cost.Meanwhile using E type dual-mode resonator and half wave coupled-line Field distribution characteristic, good power is obtained
Partition characteristic and filtering characteristic, by cleverly in the indirect isolation resistance of resonator, obtaining good port isolation characteristic.
Since novel micro-strip function of the invention divides, duplexer selectivity is high, insertion loss is small, Out-of-band rejection performance is good, is suitable for modern nothing
Line communication system.
Below with reference to embodiment, present invention is further described in detail.
Embodiment 1
A kind of novel micro-strip function divides the structure of duplexer as shown in Figure 1, top view is as shown in Fig. 2, related dimensions
As shown in Figure 3.The relative dielectric constant of used medium substrate 6 is 3.55, and with a thickness of 0.508mm, loss angle tangent is
0.0027.In conjunction with Fig. 3, function divides each dimensional parameters of duplexer as follows: L1=18.5, L2=15.5, L3=14.9, L4=12.6,
L5=5, L6=5, L7=4, W1=0.5, W2=1.2, W3=1.2, W4=0.5, Lp1=5, Lp2=5, Wp1=1.5, Lf1=1.8,
Wf1=0.1, Wf2=0.5, g1=0.2, g2=0.2, s=0.5, F=1, R1=200 Ω, R2=450 Ω.
In the present embodiment, the function divides duplexer to be the modeling and simulating in electromagnetic simulation software HFSS.13.0, the function
The object test for dividing duplexer is tested in Agilent N5244A Network Analyzer.Fig. 4 is function point duplex in this example
The S parameter emulation of device and waveform diagram in kind are simultaneously in kind with processing, it can be seen from the figure that the micro-strip function divides the passband of duplexer
Centre frequency is respectively 2.45GHz and 2.98GHz, and return loss is lower than 19.2dB and 15.3dB, minimum insertion loss in passband
For 1.6dB and 1.9dB.Outer two transmission zeros of passband make the example function filter-divider have good frequency selectivity and two
Subharmonic inhibition.
Fig. 5 be in this example function divide duplexer power output port matching properties and isolation characteristic S parameter emulation and
Object test figure, wherein 1 is input port feeder line；2 be the first output port feeder line；3 be second output terminal mouth feeder line；4 be
Three output port feeder lines；5 be the 4th output port feeder line, is corresponded with attached drawing before.It can be seen from the figure that the example
The output port isolation that function divides in duplexer dual-passband is better than 28.9dB and 21.0dB respectively.
In conclusion the invention proposes a kind of novel micro-strip function to divide duplexer, in conjunction with E type dual-mode resonator and two points
One of wave coupled-line Field distribution characteristic, using the indirect isolation resistance of resonator, realize it is a kind of it is compact-sized, loss is low,
Selectivity is high, isolation is good, function with preferable Out-of-band rejection performance divides duplexer, which divides duplexer to be highly suitable for the modern times
Wireless communication system.
The above is only some embodiments of the invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of novel micro-strip function divides duplexer, it is characterised in that: be equipped with the polygon of metal ground plate (7) including lower surface
Medium substrate (6) is equipped with input port feeder line (1), the feedback of the first output port in the upper surface of the polygonal medium substrate (6)
Line (2), second output terminal mouth feeder line (3), third output port feeder line (4), the 4th output port feeder line (5), the first output coupling
Zygonema (22), the second output coupling line (32), third output coupling line (42) and the 4th output coupling line (52)；Described first
Identical first E is respectively equipped between output port feeder line (2) and second output terminal mouth feeder line (3) and input port feeder line (1)
Type dual-mode resonator (A) and the 2nd E type dual-mode resonator (B), in the third output port feeder line (4) and the 4th output port
It is respectively equipped with identical 3rd E type dual-mode resonator (C) between feeder line (5) and input port feeder line (1) and the 4th E type bimodulus is humorous
It shakes device (D)；The first isolation resistance is equipped between the first E type dual-mode resonator (A) and the 2nd E type dual-mode resonator (B)
(R1), the second isolation resistance is equipped between the 3rd E type dual-mode resonator (C) and the 4th E type dual-mode resonator (D)
(R2)；In the first output coupling line (22), the second output coupling line (32), third output coupling line (42) and the 4th output
The end of coupling line (52) is respectively equipped with a through-hole.
2. the novel micro-strip function of one kind according to claim 1 divides duplexer, it is characterised in that:
The input port feeder line (1) includes 50 ohm microstrip conduction bands (11) and half wavelength input coupling line (12),
The input terminal of the 50 ohm microstrip conducting wire (11) is located at a short side of Rectangular Enclosure with Participating Media substrate (6), output end and two points
One of one end of wavelength input coupling line (12) be connected, square is directed toward in the free end of the half wavelength input coupling line (12)
Another short side of shape medium substrate (6).
3. the novel micro-strip function of one kind according to claim 1 divides duplexer, it is characterised in that:
The first output port feeder line (2) includes that the one 50 ohm microstrip conduction band (21) and first couple output line (22),
The one 50 ohm microstrip conduction band (21) one end is located at the long side of two adjacent vertical edges of polygonal medium substrate (6), separately
One end connects with the short side end face of the first coupling output line (22) of L-shaped bending, the L-type of first coupling output line (22)
Long side and polygonal medium substrate (6) vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate (6).
4. the novel micro-strip function of one kind according to claim 1 divides duplexer, it is characterised in that:
The second output terminal mouth feeder line (3) includes that the 2nd 50 ohm microstrip conduction band (31) and second couple output line (32),
The 2nd 50 ohm microstrip conduction band (31) one end is located at the long side of two adjacent vertical edges of polygonal medium substrate (6), separately
One end connects with the short side end face of the second coupling output line (32) of L-shaped bending, the L-type of second coupling output line (32)
Long side and polygonal medium substrate (6) vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate (6).
5. the novel micro-strip function of one kind according to claim 1 divides duplexer, it is characterised in that:
The third output port feeder line (4) includes that the 3rd 50 ohm microstrip conduction band (41) and third couple output line (42),
The 3rd 50 ohm microstrip conduction band (41) one end is located at the long side of two adjacent vertical edges of polygonal medium substrate (6), separately
One end connects with the short side end face of the third of L-shaped bending coupling output line (42), the L-type of third coupling output line (42)
Long side and polygonal medium substrate (6) vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate (6).
6. the novel micro-strip function of one kind according to claim 1 divides duplexer, it is characterised in that:
The 4th output port feeder line (5) includes that the 4th 50 ohm microstrip conduction band (51) and the 4th couple output line (52),
The 4th 50 ohm microstrip conduction band (51) one end is located at the long side of two adjacent vertical edges of polygonal medium substrate (6), separately
One end connects with the short side end face of the 4th coupling output line (52) of L-shaped bending, the L-type of the 4th coupling output line (52)
Long side and polygonal medium substrate (6) vertically adjacent to long side it is parallel, and be directed toward the short side of polygonal medium substrate (6).
7. the novel micro-strip function of one kind according to claim 1 divides duplexer, it is characterised in that:
The first E type dual-mode resonator (A) is symmetrical about the first minor matters loading unit (A2).The first E type bimodulus
Resonator (A) is between the first output port feeder line (2) and input port feeder line (1)；The first E type dual-mode resonator (A)
Including the first half wave resonator (A1) and the first minor matters loading unit (A2), the first minor matters loading unit (A2)
Load on the center of the first half wave resonator (A1) of U-shaped bending, the 2nd E type dual-mode resonator (B) with
First E type dual-mode resonator (A) is about medium substrate central symmetry.
8. the novel micro-strip function of one kind according to claim 1 divides duplexer, it is characterised in that:
The 3rd E type dual-mode resonator (C) is symmetrical about third minor matters loading unit (C2)；The 3rd E type bimodulus
Resonator (C) is between third output port feeder line (4) and input port feeder line (1)；The 3rd E type dual-mode resonator (C)
Including third half wave resonator (C1) and third minor matters loading unit (C2), the third minor matters loading unit (C2)
Load on the center of the third half wave resonator (C1) of U-shaped bending, the 4th E type dual-mode resonator (D) with
3rd E type dual-mode resonator (C) is about medium substrate central symmetry.
9. the novel micro-strip function of one kind according to claim 1 divides duplexer, it is characterised in that:
The through-hole is located at the first output coupling line (22), the second output coupling line (32), third output coupling line
(42) and the end of the 4th output coupling line (52).
10. the novel micro-strip function of one kind according to claim 1 divides duplexer, it is characterised in that:
The polygonal medium substrate (6) with a thickness of 0.508mm cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660800.4A CN109066039B (en) | 2018-06-25 | 2018-06-25 | Novel microstrip power division duplexer |
Applications Claiming Priority (1)
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| CN111384534A (en) * | 2020-02-28 | 2020-07-07 | 南京智能高端装备产业研究院有限公司 | Three-way band-pass power division filter |
| CN115513627A (en) * | 2022-08-24 | 2022-12-23 | 声呐天空资讯顾问有限公司 | Frequency divider and antenna array |
| CN116345091A (en) * | 2023-05-26 | 2023-06-27 | 成都航空职业技术学院 | Duplexer based on double-mode branch loading resonator |
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| CN115513627A (en) * | 2022-08-24 | 2022-12-23 | 声呐天空资讯顾问有限公司 | Frequency divider and antenna array |
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| CN116345091A (en) * | 2023-05-26 | 2023-06-27 | 成都航空职业技术学院 | Duplexer based on double-mode branch loading resonator |
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