CN208986157U - A kind of two power splitter of coupled transmission line - Google Patents
A kind of two power splitter of coupled transmission line Download PDFInfo
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- CN208986157U CN208986157U CN201821567416.1U CN201821567416U CN208986157U CN 208986157 U CN208986157 U CN 208986157U CN 201821567416 U CN201821567416 U CN 201821567416U CN 208986157 U CN208986157 U CN 208986157U
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- transmission line
- line
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- power splitter
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Abstract
The utility model discloses a kind of two power splitters of coupled transmission line, including cavity and chamber lid, the both ends end two sides of cavity are respectively arranged with input port and output port, two function separated times are provided on the intracorporal supporting plate of chamber, two function separated times successively include common transmission line, two strip lines and two tracks, the setting of two strip line opposing mirror images, wherein one end of two strip lines is connect by common transmission line with input port, the other end of two strip lines is connected by two tracks with corresponding output port, wave crest of two strip lines far from lateral shaft line end is from left to right successively the first transformer section, second transformer section and third transformer section, two strip lines are from left to right followed successively by the first impedance transformation section close to the wave crest of lateral shaft line segment, second impedance transformation section and third impedance transformation section, chamber lid is placed on cavity Form accommodating space.The utility model replaces conventional coupling line using double coupling lines, reduces the isolation of power splitter and the deviation of standing-wave ratio.
Description
Technical field
The utility model relates to a kind of two power splitters of coupled transmission line, belong to field of communication technology.
Background technique
Power splitter full name power divider, be it is a kind of will all the way input signal energy be divided into two-way or multiple-channel output it is equal or
The synthesis of multiple signals energy can also be exported all the way in turn, can be also referred to as combiner at this time by the device of unequal energy.One
It should ensure that certain isolation, the power splitter of two output ports of an input are commonly referred to as two between the output port of power splitter
Power splitter.Transmission line in existing two power splitter is often integrated composition, has ignored the coupling between transmission line and transmission line, so that
The isolation of power splitter is less than normal, and standing wave is bigger than normal.
Summary of the invention
To solve the deficiencies in the prior art, the utility model provides a kind of two power splitter of coupled transmission line, using double couplings
Line replaces conventional coupling line, reduces the isolation of power splitter and the deviation of standing-wave ratio.
The technology employed by the present utility model is
A kind of two power splitter of coupled transmission line, including cavity, chamber lid and track, wherein one end of cavity are provided with input
Port, the other end two sides of cavity are respectively arranged with output port, and supporting plate is provided in cavity, and two function point are provided on supporting plate
Line, two function separated times successively include common transmission line, the corrugated strip line of two more piece side's bendings and two tracks, two ribbons
Wherein one end of the setting of line opposing mirror image, two strip lines is connect by common transmission line with input port, two strip lines
The other end is connected with corresponding output port by two tracks, wave crest of two strip lines far from lateral shaft line end from a left side to
The right side is successively the first transformer section, the second transformer section and third transformer section, the first transformer section, the second resistance
The two sides of anti-transforming section and third transformer section are connected separately with the coupling line of same size, and two strip lines are close to laterally
The wave crest of axis segment is from left to right successively the first impedance transformation section, the second impedance transformation section and third impedance transformation section, chamber
It is placed on cavity and forms accommodating space.
Preferably, strip line is copper product.
It is further preferred, silver coating is provided on strip line.
Further preferred, supporting plate is glass fiber material.
Further preferred, cavity and chamber lid are aluminum alloy materials.
Further preferred, plating is provided with Cu5Ag1 material layer on the inner surface of cavity and the upper and lower surface of chamber lid.
The utility model has the beneficial effects that:
Two strip lines from left to right sequentially form the first transformer section, the second transformer section and third impedance transformation
Section, the two sides of the first transformer section, the second transformer section and third transformer section are connected separately with same size
Coupling line, the setting of the double coupling lines of multistage consider the coupling between transmission line and transmission line instead of conventional integrated transmission line
Inside, the isolation of power splitter and the deviation of standing-wave ratio are reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Main appended drawing reference meaning is as follows in figure:
1, cavity, 2, chamber lid, 3, input port, 4, output port, 5, supporting plate, 6, two function separated times, 7, track, 61, public affairs
Transmission line altogether, 62, strip line, the 63, first transformer section, the 64, second transformer section, 65, third transformer section, 66,
First impedance transformation section, the 67, second impedance transformation section, 68, third impedance transformation section.
Specific embodiment
Specific introduction is done to the utility model with reference to the accompanying drawings and examples.
The present embodiment is a kind of two power splitter of coupled transmission line, including cavity 1 and chamber lid 2 as shown in Figure 1:, cavity 1 its
Middle one end is provided with input port 3, and the other end two sides of cavity 1 are respectively arranged with output port 4, are provided with supporting plate in cavity 1
5, two function separated times 6 are provided on supporting plate 5, two function separated times 6 successively include 61, two corrugated bands of more piece side's bending of common transmission line
Shape line 62 and two tracks 7, the setting of two strip lines, 62 opposing mirror image, wherein one end of two strip lines 62 passes through public biography
Defeated line 61 is connect with input port 3, and the other end of two strip lines 62 is connected by two tracks 7 with corresponding output port 4
It connects, two wave crests of the strip line 62 far from lateral shaft line end are from left to right successively the first transformer section 63, the second impedance
Transforming section 64 and third transformer section 65, the first transformer section 63, the second transformer section 64 and third transformer section
65 two sides are connected separately with the coupling line of same size, two strip lines 62 close to lateral shaft line segment wave crest from left to right
It is successively the first impedance transformation section 66, the second impedance transformation section 67 and third impedance transformation section 68, chamber lid 2 is placed on cavity 1
Form accommodating space.
In the present embodiment, strip line 62 is copper product.
In the present embodiment, silver coating is provided on strip line 62, silver-colored conductivity is high, improves conduction efficiency and reduces
Power loss.
In the present embodiment, supporting plate 5 is glass fiber material.
In the present embodiment, cavity 1 and chamber lid 2 are aluminum alloy materials, and aluminum alloy materials alleviate the quality of two power splitters
And it reduces costs.
In the present embodiment, plating is provided with Cu5Ag1 material layer on the inner surface of cavity 1 and the upper and lower surface of chamber lid 2.
This utility model is in use, signal energy enters common transmission line 61, common transmission line by input port 3
Signal energy is divided into two strands again by 61, and the coupling line that two bursts of signal energies pass through 63 two sides of the first transformer section respectively is same
Specification coupling line, using the first impedance transformation section 66 carry out impedance transformation and with the same specification of the second transformer section 64
A wherein connection for coupling line, another coupling line of the second transformer section 64 are hindered by the second impedance transformation section 67
Anti-rotation change and with the coupling line of the same size of third transformer section 65 wherein one connect, third transformer section 65
Another coupling line is connect after third impedance transformation section 68 carries out impedance transformation with track 7, track 7 again respectively with it is right
The connection of output port 4 is answered to carry out signal output.
Two strip lines of the utility model from left to right sequentially form the first transformer section, the second transformer section and
The two sides of third transformer section, the first transformer section, the second transformer section and third transformer section are separately connected
Have a coupling line of same size, the settings of the double coupling lines of multistage instead of conventional integrated transmission line, by transmission line and transmission line it
Between coupling take into account, reduce the isolation of power splitter and the deviation of standing-wave ratio.
The above is only the preferred embodiment of the utility model patent, it is noted that for the general of the art
For logical technical staff, under the premise of not departing from the utility model patent principle, several improvements and modifications can also be made, this
A little improvements and modifications also should be regarded as the protection scope of the utility model patent.
Claims (6)
1. a kind of two power splitter of coupled transmission line, it is characterised in that: including cavity (1) and chamber lid (2), the cavity (1) its
Middle one end is provided with input port (3), and the other end two sides of the cavity (1) are respectively arranged with output port (4), the cavity
(1) it is provided with supporting plate (5) in, two function separated times (6) is provided on the supporting plate (5), the two function separated time (6) successively includes public
Transmission line (61), two corrugated strip lines of more piece side's bending (62) and two tracks (7), two strip line (62) phase
To mirror settings, wherein one end of two strip line (62) is connect by common transmission line (61) with input port (3), and two
The other end of strip line (62) is connected by two tracks (7) with corresponding output port (4), two strip line
(62) wave crest far from lateral shaft line end is from left to right successively the first transformer section (63), the second transformer section (64)
With third transformer section (65), first transformer section (63), the second transformer section (64) and third impedance become
The two sides for changing section (65) are connected separately with the coupling line of same size, and two strip line (62) is close to lateral shaft line segment
Wave crest is from left to right successively the first impedance transformation section (66), the second impedance transformation section (67) and third impedance transformation section
(68), the chamber lid (2) is placed on the cavity (1) and forms accommodating space.
2. two power splitter of a kind of coupled transmission line according to claim 1, which is characterized in that the strip line (62) is
Copper product.
3. two power splitter of a kind of coupled transmission line according to claim 2, which is characterized in that on the strip line (62)
It is provided with silver coating.
4. two power splitter of a kind of coupled transmission line according to claim 1, which is characterized in that the supporting plate (5) is glass
Glass fibrous material.
5. two power splitter of a kind of coupled transmission line according to claim 1, which is characterized in that the cavity (1) and chamber
Covering (2) is aluminum alloy materials.
6. a kind of two power splitter of coupled transmission line according to claim 1 or 5, which is characterized in that the cavity (1)
Plating is provided with Cu5Ag1 material layer in the upper and lower surface of inner surface and chamber lid (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821567416.1U CN208986157U (en) | 2018-09-26 | 2018-09-26 | A kind of two power splitter of coupled transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821567416.1U CN208986157U (en) | 2018-09-26 | 2018-09-26 | A kind of two power splitter of coupled transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208986157U true CN208986157U (en) | 2019-06-14 |
Family
ID=66785341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821567416.1U Active CN208986157U (en) | 2018-09-26 | 2018-09-26 | A kind of two power splitter of coupled transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208986157U (en) |
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2018
- 2018-09-26 CN CN201821567416.1U patent/CN208986157U/en active Active
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