CN109066026B - Ka-band double-channel duplexer applicable to multi-antenna array - Google Patents
Ka-band double-channel duplexer applicable to multi-antenna array Download PDFInfo
- Publication number
- CN109066026B CN109066026B CN201810729643.8A CN201810729643A CN109066026B CN 109066026 B CN109066026 B CN 109066026B CN 201810729643 A CN201810729643 A CN 201810729643A CN 109066026 B CN109066026 B CN 109066026B
- Authority
- CN
- China
- Prior art keywords
- transmission channel
- port
- pass band
- lower transmission
- upper transmission
- 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
Links
Classifications
-
- 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
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses a Ka-band dual-channel duplexer suitable for a multi-antenna array, which comprises a main shell, an upper cover plate and a lower cover plate, wherein the main shell is provided with an upper transmission channel and a lower transmission channel, a partition plate is arranged between the upper transmission channel and the lower transmission channel, two parallel upper public input ports and lower public input ports, two high-channel output ports and two low-channel output ports are arranged on the side wall of the main shell, the two high-channel output ports of the upper public input ports are communicated with the upper transmission channel, and the two lower public input ports and the two low-channel output ports are communicated with the lower transmission channel. The utility model realizes the integration of the diplexer of two channels in a limited space, and can realize two public ends and four corresponding channel output ends at the same time.
Description
Technical Field
The utility model relates to a Ka-band duplexer, in particular to a Ka-band dual-channel duplexer applicable to a multi-antenna array, and belongs to the technical field of millimeter wave radars and communication. The utility model relates to the field of millimeter wave radars and communications, and is particularly applicable to the field of millimeter wave radars and communications.
Background
Diplexers are commonly used in radar or communication systems to achieve isolation between different channels. In the millimeter wave band, the diplexer is typically implemented based on a waveguide structure, because the waveguide structure has the characteristics of low loss and high power capacity. Regardless of the implementation principle and the structural form, existing diplexers are basically single-channel, i.e. only comprise one common terminal and two corresponding output terminals.
As in patent publication Wang Qingfen et al, 2010, a Ka band diplexer is disclosed, which is implemented based on a waveguide structure and has an independent transmission channel, an input/output port of the diplexer is perpendicular to the transmission channel, and if two channels are to be implemented, the two channels can only be in a back-to-back position, and in practical multi-antenna system applications, multiple antennas are generally disposed opposite to each other, so that the diplexer structure is not suitable for multi-antenna systems.
In 2013, university of electronic technology report on Zhang Zhihong et al, paper on the development of Ka-band waveguide diplexer, which implements a band-pass filter based on E-plane metal film, the filter also belongs to a single-channel filter, and has one common end and two corresponding output ends, and the two output ends are opposite in direction, and are not suitable for array antenna systems with consistent orientations.
The utility model patent 'Ka wave band duplexer' written by the prior art in 2014 is based on the principle of electromagnetic induction transparency, and a band-pass filter is realized through a dielectric substrate, so that the duplexer is formed, has the characteristics of miniaturization and also has an independent transmission channel. The duplexer relates to two structures of metal and PCB, has complex process, and has installation errors necessarily existing in the process of integration of the PCB dielectric diaphragm and the metal cavity, and is easy to influence the performance.
Up to now, a dual-channel integrated duplexer employing two nonstandard common terminals and four corresponding output terminals has not been disclosed.
Disclosure of Invention
Aiming at the defects that the existing duplexer has low integration level, complex process and difficult suitability for a large-scale array system, the utility model provides a duplexer structure which adopts a nonstandard public port and integrates two channels, has high structural compactness, lighter weight and low loss, is suitable for an array system for receiving and transmitting different frequency transmission, and is a device for completing receiving and transmitting different frequency synchronous transmission in a radar or communication channel with array characteristics, and the specific technical scheme is as follows:
the Ka-band dual-channel duplexer suitable for the multi-antenna array is characterized by comprising a main shell, an upper cover plate and a lower cover plate, wherein an upper transmission channel is arranged on one side of the main shell, which is close to the upper cover plate, a lower transmission channel is arranged on one side, which is close to the lower cover plate, a separation plate is arranged between the upper transmission channel and the lower transmission channel,
the side wall of the main shell is provided with two parallel public ports of an upper transmission channel and a lower transmission channel, the public ports of the upper transmission channel and the lower transmission channel are respectively positioned at two sides of the partition plate, the public ports of the upper transmission channel are communicated with the upper transmission channel, and the public ports of the lower transmission channel are communicated with the lower transmission channel;
the diagonal opposite of the public port of the upper transmission channel is provided with a low-pass band port of the upper transmission channel and a high-pass band port of the upper transmission channel, an upper transmission channel partition wall is arranged between the low-pass band port of the upper transmission channel and the high-pass band port of the upper transmission channel, and the upper transmission channel partition wall extends to be close to the public port of the upper transmission channel;
the diagonal of the public port of the lower transmission channel is opposite to the low pass band port of the lower transmission channel and the high pass band port of the lower transmission channel, a lower transmission channel partition wall is arranged between the low pass band port of the lower transmission channel and the high pass band port of the lower transmission channel, and the lower transmission channel partition wall extends to be close to the public port of the lower transmission channel.
The common port of the upper transmission channel and the common port of the lower transmission channel are respectively provided with a nonstandard interface and a nonstandard flange which are compressed by narrow sides, and the nonstandard interfaces and the nonstandard flanges are arranged side by side along the thickness direction of the main shell.
The common port of the upper transmission channel is connected with the lower passband port of the upper transmission channel and the upper passband port of the upper transmission channel through H-T connectors, the common port of the lower transmission channel is connected with the lower passband port of the lower transmission channel and the upper passband port of the lower transmission channel through H-T connectors, the upper transmission channel and the lower transmission channel both adopt H-mask sheet structures, and the size of the non-standard waveguide cavity with narrow side compression is adopted.
The lower pass band port of the upper transmission channel, the upper pass band port of the upper transmission channel, the lower pass band port of the lower transmission channel and the upper pass band port of the lower transmission channel all adopt standard WR28 waveguide interfaces and nonstandard flanges.
The common port of the upper transmission channel is provided with a common port two-stage step of the upper transmission channel, and the common port two-stage step of the upper transmission channel is raised from the upper transmission channel to the common port step of the upper transmission channel;
the common port of the lower transmission channel is provided with a common port two-stage step of the lower transmission channel, and the common port two-stage step of the lower transmission channel is raised from the lower transmission channel towards the common port step of the lower transmission channel;
the lower sideband port two-stage step of the upper transmission channel is arranged in the lower passband port of the upper transmission channel, and the lower sideband port two-stage step of the upper transmission channel is raised from the lower passband port of the upper transmission channel to the step in the upper transmission channel;
an upper sideband port two-stage step of the upper transmission channel is arranged in the upper passband port of the upper transmission channel; the two-stage steps of the upper sideband port of the upper transmission channel rise from the upper passband port of the upper transmission channel towards the steps in the upper transmission channel;
a lower sideband port two-stage step of the lower transmission channel is arranged in a lower passband port of the lower transmission channel; the two-stage steps of the lower sideband port of the lower transmission channel are raised from the lower passband port of the lower transmission channel towards the steps in the lower transmission channel;
the upper sideband port two-stage steps of the lower transmission channel are arranged in the upper passband port of the lower transmission channel; the upper sideband port two-stage step of the lower transmission channel the upper passband port of the lower transmission channel is stepped up toward the step in the lower transmission channel.
The upper transmission channel partition wall divides an upper transmission channel into an upper transmission channel low-pass band coupling cavity and an upper transmission channel high-pass band coupling cavity, a plurality of upper transmission channel low-pass band tuning screw holes are formed between the side wall of the main shell and the upper transmission channel low-pass band coupling cavity, and a plurality of upper transmission channel high-pass band tuning screw holes are formed between the side wall of the main shell and the upper transmission channel high-pass band coupling cavity;
the lower transmission channel partition wall divides a lower transmission channel into a lower transmission channel low-pass band coupling cavity and a lower transmission channel high-pass band coupling cavity, a plurality of lower transmission channel low-pass band tuning screw holes are formed between the side wall of the main shell and the lower transmission channel low-pass band coupling cavity, and a plurality of lower transmission channel high-pass band tuning screw holes are formed between the side wall of the main shell and the lower transmission channel high-pass band coupling cavity.
The beneficial effects of the utility model are as follows:
the utility model provides a Ka-band duplexer, which comprehensively adopts a back-to-back structure, a non-standard waveguide port with compressed size and an H-mask sheet coupling structure, realizes the integration of the duplexer of two channels in a limited space, can realize two public ends and four corresponding channel output ends at the same time, has the whole structure thickness of only 10.8mm, and can conveniently expand the channels to adapt to the application requirements of a large-scale array.
Drawings
FIG. 1 is a front view structural composition of the present utility model;
FIG. 2 is a structural composition of the back view angle of the present utility model;
FIG. 3 is a schematic view from the front of the location of each port of the present utility model;
FIG. 4 is a schematic view of the back view of the locations of the ports of the present utility model;
fig. 5 and 6 are schematic diagrams of a 16-channel diplexer assembly made up of 8 sets of diplexers of the present utility model;
FIG. 7 is a single channel low pass band performance curve of the present utility model;
FIG. 8 is a single channel high pass band performance curve of the present utility model;
list of reference numerals:
1-a main housing, which is provided with a plurality of grooves,
2-an upper cover plate, wherein the upper cover plate is provided with a plurality of grooves,
3-a lower cover plate,
a 4-up-transfer channel, wherein,
a common port of the 4-1-upper transmission channel,
the lower pass band port of the 4-2-upper transmission channel,
the upper pass band port of the 4-3-upper transmission channel,
a 5-down-transfer channel, wherein,
a common port of the 5-1-lower transmission channel,
the lower passband port of the 5-2-lower transmission channel,
the upper passband port of the 5-3-lower transmission channel,
a common port two-stage step of a 6-1-upper transmission channel,
common port two-stage steps of the 6-2-lower transmission channel,
lower sideband port two-stage step of 6-3-upper transmission channel
Two-stage step of upper sideband port of 6-4-upper transmission channel
Lower sideband port two-stage step of 6-5-lower transmission channel
Two-stage step of upper sideband port of 6-lower transmission channel
The lower pass band of the 7-1-upper transmission channel is a set screw hole,
the upper pass band of the 7-2-upper transmission channel is set to the screw hole,
the lower pass band of the 8-1-lower transmission channel is a set screw hole,
the upper pass band set screw hole of the 8-2-lower transmission channel,
9-an upper transfer channel partition wall,
10-lower transfer channel partition wall.
Detailed Description
The utility model is further elucidated below in connection with the drawings and the detailed description. It should be understood that the following detailed description is merely illustrative of the utility model and is not intended to limit the scope of the utility model.
Referring to fig. 1-6, the Ka-band dual-channel duplexer suitable for a multi-antenna array of the present utility model comprises a main housing 1, an upper cover plate 2 and a lower cover plate 3, wherein an upper transmission channel 4 is arranged at one side of the main housing 1 close to the upper cover plate 2, a lower transmission channel 5 is arranged at one side close to the lower cover plate 3, a partition plate is arranged between the upper transmission channel 4 and the lower transmission channel 5,
the side wall of the main shell 1 is provided with two parallel public ports 4-1 of an upper transmission channel and two parallel public ports 5-1 of a lower transmission channel, the public ports 4-1 of the upper transmission channel and the public ports 5-1 of the lower transmission channel are respectively positioned at two sides of the partition plate, the public ports 4-1 of the upper transmission channel are communicated with the upper transmission channel 4, and the public ports 5-1 of the lower transmission channel are communicated with the lower transmission channel 5;
the diagonal opposite of the public port 4-1 of the upper transmission channel is provided with a low-pass band port 4-2 of the upper transmission channel and an high-pass band port 4-3 of the upper transmission channel, an upper transmission channel partition wall 9 is arranged between the low-pass band port 4-2 of the upper transmission channel and the high-pass band port 4-3 of the upper transmission channel, and the upper transmission channel partition wall extends to be close to the public port 4-1 of the upper transmission channel;
the diagonal opposite of the common port 5-1 of the lower transmission channel is provided with a lower pass band port 5-2 of the lower transmission channel and an upper pass band port 5-3 of the lower transmission channel, a lower transmission channel partition wall 10 is arranged between the lower pass band port 5-2 of the lower transmission channel and the upper pass band port 5-3 of the lower transmission channel, and the lower transmission channel partition wall 10 extends to be close to the common port 5-1 of the lower transmission channel.
The common port 4-1 of the upper transmission channel and the common port 5-1 of the lower transmission channel are respectively provided with a nonstandard interface and a nonstandard flange which are compressed by narrow sides, and are arranged side by side along the thickness direction of the main shell 1.
The common port 4-1 of the upper transmission channel is connected with the low pass band port 4-2 of the upper transmission channel and the high pass band port 4-3 of the upper transmission channel through an H-T joint, the common port 5-1 of the lower transmission channel is connected with the low pass band port 5-2 of the lower transmission channel and the high pass band port 5-3 of the lower transmission channel through an H-T joint, the upper transmission channel 4 and the lower transmission channel 5 both adopt H mask sheet structures, and the size of a non-standard waveguide cavity with compressed narrow sides is adopted.
The lower pass band port 4-2 of the upper transmission channel, the upper pass band port 4-3 of the upper transmission channel, the lower pass band port 5-2 of the lower transmission channel and the upper pass band port 5-3 of the lower transmission channel all employ standard WR28 waveguide interfaces and nonstandard flanges.
The common port 4-1 of the upper transmission channel is provided with a common port two-stage step 6-1 of the upper transmission channel, and the common port two-stage step 6-1 of the upper transmission channel is raised from the upper transmission channel 4 towards the common port 4-1 of the upper transmission channel;
the common port 5-1 of the lower transmission channel is provided with a common port two-stage step 6-2 of the lower transmission channel, and the common port two-stage step 6-2 of the lower transmission channel is raised from the lower transmission channel towards the common port 5-1 of the lower transmission channel;
the lower sideband port two-stage step 6-3 of the upper transmission channel is arranged in the lower passband port 4-2 of the upper transmission channel, and the lower sideband port two-stage step 6-3 of the upper transmission channel is raised from the lower passband port 4-2 of the upper transmission channel to the step in the upper transmission channel 4;
the upper sideband port two-stage step 6-4 of the upper transmission channel is arranged in the upper passband port 4-3 of the upper transmission channel; the two-stage steps 6-4 of the upper sideband port of the upper transmission channel rise from the upper passband port 4-3 of the upper transmission channel towards the steps in the upper transmission channel 4;
a lower sideband port two-stage step 6-5 of the lower transmission channel is arranged in the lower passband port 5-2 of the lower transmission channel; the two-stage steps 6-5 of the lower sideband port of the lower transmission channel rise from the lower passband port 5-2 of the lower transmission channel towards the steps in the lower transmission channel 5;
the upper sideband port two-stage step 6-6 of the lower transmission channel is arranged in the upper passband port 5-3 of the lower transmission channel; the upper sideband port two-stage step 6-6 of the lower transmission channel the upper passband port 5-3 of the lower transmission channel is stepped up towards the step in the lower transmission channel 5.
The upper transmission channel partition 9 divides the upper transmission channel 4 into an upper transmission channel low-pass band coupling cavity and an upper transmission channel high-pass band coupling cavity, a plurality of upper transmission channel low-pass band tuning screw holes 7-1 are arranged between the side wall of the main shell and the upper transmission channel low-pass band coupling cavity, and a plurality of upper transmission channel high-pass band tuning screw holes 7-2 are arranged between the side wall of the main shell and the upper transmission channel high-pass band coupling cavity;
the lower transmission channel partition wall 10 divides the lower transmission channel 5 into a lower transmission channel lower passband coupling cavity and a lower transmission channel upper passband coupling cavity, a plurality of lower transmission channel lower passband tuning screw holes 8-1 are arranged between the side wall of the main shell and the lower transmission channel lower passband coupling cavity, and a plurality of lower transmission channel upper passband tuning screw holes 8-2 are arranged between the side wall of the main shell and the lower transmission channel upper passband coupling cavity.
The utility model is illustrated by the following example of a specific embodiment:
the utility model realizes a Ka band duplexer integrated with two channels, and the technical indexes are as follows:
(1) High passband frequency range: 33.5-35.5GHz
(2) Low passband frequency range: 36.0-36.7GHz
(3) High passband interpolation loss: <2.0dB
(4) High passband in-band return loss: less than 15dB
(5) Low passband interpolation loss: <2.0dB
(6) Low passband in-band return loss: less than 15dB
(7) High low passband isolation: 20dB@36.0-36.7GHz
>20dB@33.5-35.5GHz
The proposed double-channel duplexer is formed by processing LF21 type antirust aluminum, and the external dimension is 82mm multiplied by 28mm multiplied by 10.8mm.
The two public ends adopt nonstandard waveguide ports, the size is 7.12mm multiplied by 2mm, and the center distance is 5.5mm;
the two branch ends adopt standard waveguide ports, and the size is 7.12mm multiplied by 3.56mm;
the high pass band adopts a 6-cavity coupling structure, the depth of 6 cavities is 2.78mm, the width is 7.12mm, the lengths are 4.15mm, 4.74mm, 4.83mm, 4.75mm and 4.10mm respectively, and the thickness of the membrane is 1mm;
the low pass band adopts a 4-cavity coupling structure, the depth of the cavity is 2.78mm, the depths of the 4 cavities are 2.78mm, the widths of the 4 cavities are 7.12mm, the lengths of the 4 cavities are 5.38mm, 5.77mm and 5.42mm respectively, and the thickness of the membrane is 1mm;
the high pass band tuning screw adopts 6M 1.6 cylindrical screws;
the low pass band tuning screws are 4M 1.6 cylindrical screws;
the heights of the two stages of the public end are respectively 0.36mm and 0.42mm;
the heights of the two stages of the branch end are respectively 0.37mm and 0.41mm;
the two channels adopt a back-to-back structure, and the thickness of the middle partition plate is 2.24mm;
the S-parameter performance curves of the upper and lower pass bands of the diplexer realized based on the above-described structural parameters are shown in fig. 7 and 8. From the performance curves, it can be seen that: the frequency range of the low pass band covers 33.5-35.5GHz, the in-band insertion loss is less than 2dB, the in-band return loss is < -15dB, and the high pass band suppression of 36.0-36.7GHz is more than 20dB; the frequency range of the high pass band covers 36.0-36.7GHz, the in-band insertion loss is less than 2dB, the in-band return loss is < -15dB, and the low pass band suppression of 33.5-35.5GHz is more than 20dB. The results are in line with the design expectations. .
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, and also comprises the technical scheme formed by any combination of the technical features.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (4)
1. The Ka-band dual-channel duplexer suitable for the multi-antenna array is characterized by comprising a main shell (1), an upper cover plate (2) and a lower cover plate (3), wherein an upper transmission channel (4) is arranged on one side, close to the upper cover plate (2), of the main shell (1), a lower transmission channel (5) is arranged on one side, close to the lower cover plate (3), a partition plate is arranged between the upper transmission channel (4) and the lower transmission channel (5), two parallel public ports (4-1) of the upper transmission channel and public ports (5-1) of the lower transmission channel are arranged on the side wall of the main shell (1), the public ports (4-1) of the upper transmission channel and the public ports (5-1) of the lower transmission channel are respectively arranged on two sides of the partition plate, the public ports (4-1) of the upper transmission channel are communicated with the upper transmission channel (4), and the public ports (5-1) of the lower transmission channel are communicated with the lower transmission channel (5);
the diagonal opposite of the public port (4-1) of the upper transmission channel is provided with a low-pass band port (4-2) of the upper transmission channel and an high-pass band port (4-3) of the upper transmission channel, an upper transmission channel partition wall (9) is arranged between the low-pass band port (4-2) of the upper transmission channel and the high-pass band port (4-3) of the upper transmission channel, and the upper transmission channel partition wall extends to be close to the public port (4-1) of the upper transmission channel;
a low pass band port (5-2) of the lower transmission channel and an high pass band port (5-3) of the lower transmission channel are arranged opposite to the diagonal of the public port (5-1) of the lower transmission channel, a lower transmission channel partition wall (10) is arranged between the low pass band port (5-2) of the lower transmission channel and the high pass band port (5-3) of the lower transmission channel, and the lower transmission channel partition wall (10) extends to be close to the public port (5-1) of the lower transmission channel;
the public port (4-1) of the upper transmission channel and the public port (5-1) of the lower transmission channel are respectively provided with a nonstandard interface and a nonstandard flange which are compressed by narrow sides, and are arranged side by side along the thickness direction of the main shell (1);
the common port (4-1) of the upper transmission channel is connected with the low pass band port (4-2) of the upper transmission channel and the high pass band port (4-3) of the upper transmission channel through an H-T joint, the common port (5-1) of the lower transmission channel is connected with the low pass band port (5-2) of the lower transmission channel and the high pass band port (5-3) of the lower transmission channel through an H-T joint, the upper transmission channel (4) and the lower transmission channel (5) both adopt H mask sheet structures, and the size of a nonstandard waveguide cavity with narrow side compression is adopted.
2. A Ka-band dual-channel diplexer as claimed in claim 1, characterized in that the lower pass-band port (4-2) of the upper transmission channel, the upper pass-band port (4-3) of the upper transmission channel, the lower pass-band port (5-2) of the lower transmission channel and the upper pass-band port (5-3) of the lower transmission channel all use standard WR28 waveguide interfaces and nonstandard flanges.
3. A Ka-band dual-channel duplexer adapted for a multi-antenna array according to claim 1, characterized in that the common port (4-1) of the upper transmission channel is provided with a common port two-stage step (6-1) of the upper transmission channel, the common port two-stage step (6-1) of the upper transmission channel being elevated from the upper transmission channel (4) toward the common port (4-1) of the upper transmission channel;
the common port (5-1) of the lower transmission channel is provided with a common port two-stage step (6-2) of the lower transmission channel, and the common port two-stage step (6-2) of the lower transmission channel is lifted from the lower transmission channel towards the common port (5-1) of the lower transmission channel;
the lower sideband port two-stage step (6-3) of the upper transmission channel is arranged in the lower passband port (4-2) of the upper transmission channel, and the lower sideband port two-stage step (6-3) of the upper transmission channel is raised from the lower passband port (4-2) of the upper transmission channel to the step in the upper transmission channel (4);
an upper sideband port two-stage step (6-4) of the upper transmission channel is arranged in an upper passband port (4-3) of the upper transmission channel; the two-stage steps (6-4) of the upper sideband port of the upper transmission channel are raised from the upper passband port (4-3) of the upper transmission channel towards the steps in the upper transmission channel (4);
a lower sideband port two-stage step (6-5) of the lower transmission channel is arranged in a lower passband port (5-2) of the lower transmission channel; the two-stage steps (6-5) of the lower sideband port of the lower transmission channel are raised from the lower passband port (5-2) of the lower transmission channel towards the steps in the lower transmission channel (5);
an upper sideband port two-stage step (6-6) of the lower transmission channel is arranged in an upper passband port (5-3) of the lower transmission channel; the upper sideband port two-stage step (6-6) of the lower transmission channel the upper passband port (5-3) of the lower transmission channel is stepped up towards the step in the lower transmission channel (5).
4. The Ka-band dual-channel duplexer applicable to the multi-antenna array according to claim 1, characterized in that the upper transmission channel partition wall (9) divides the upper transmission channel (4) into an upper transmission channel low-pass band coupling cavity and an upper transmission channel high-pass band coupling cavity, a plurality of upper transmission channel low-pass band tuning screw holes (7-1) are formed between the side wall of the main shell and the upper transmission channel low-pass band coupling cavity, and a plurality of upper transmission channel high-pass band tuning screw holes (7-2) are formed between the side wall of the main shell and the upper transmission channel high-pass band coupling cavity;
the lower transmission channel partition wall (10) divides the lower transmission channel (5) into a lower transmission channel low-pass band coupling cavity and a lower transmission channel high-pass band coupling cavity, a plurality of lower transmission channel low-pass band tuning screw holes (8-1) are formed between the side wall of the main shell and the lower transmission channel low-pass band coupling cavity, and a plurality of lower transmission channel high-pass band tuning screw holes (8-2) are formed between the side wall of the main shell and the lower transmission channel high-pass band coupling cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810729643.8A CN109066026B (en) | 2018-07-05 | 2018-07-05 | Ka-band double-channel duplexer applicable to multi-antenna array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810729643.8A CN109066026B (en) | 2018-07-05 | 2018-07-05 | Ka-band double-channel duplexer applicable to multi-antenna array |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109066026A CN109066026A (en) | 2018-12-21 |
| CN109066026B true CN109066026B (en) | 2023-08-15 |
Family
ID=64819367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810729643.8A Active CN109066026B (en) | 2018-07-05 | 2018-07-05 | Ka-band double-channel duplexer applicable to multi-antenna array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109066026B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823886A (en) * | 2021-09-13 | 2021-12-21 | 南京信息工程大学 | Broadband duplexer suitable for full W wave band |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5534881A (en) * | 1994-08-31 | 1996-07-09 | Hughes Aircraft Company | Microwave filter assembly having a nonsymmetrical waveguide and an antenna |
| US6107898A (en) * | 1998-04-30 | 2000-08-22 | The United State Of America As Represented By The Secretary Of The Navy | Microwave channelized bandpass filter having two channels |
| JP2003204204A (en) * | 2002-01-08 | 2003-07-18 | Murata Mfg Co Ltd | Multiplexer and communication device |
| CN2664294Y (en) * | 2003-11-08 | 2004-12-15 | 摩比天线技术（深圳）有限公司 | A radio-frequency device having multiple-unit duplexer |
| CN201117771Y (en) * | 2007-11-09 | 2008-09-17 | 深圳国人通信有限公司 | Low loss high selectivity clutter suppression -type base station double duplex device |
| CN101557025A (en) * | 2009-05-20 | 2009-10-14 | 南京赛格微电子科技有限公司 | Compact GSM/CDMA shared combiner for transceiving |
| CN103022727A (en) * | 2012-12-28 | 2013-04-03 | 中国电子科技集团公司第五十四研究所 | Low-profile one-dimensional active transceiving phased-array antenna for satellite communication in motion |
| CN203774439U (en) * | 2014-04-04 | 2014-08-13 | 苏州灿勤通讯技术有限公司 | Common-frequency combiner |
| CN204539087U (en) * | 2015-04-17 | 2015-08-05 | 南京信息工程大学 | A kind of X-band marine radar receiver front end image-reject mixer |
| CN106329049A (en) * | 2016-08-29 | 2017-01-11 | 成都赛纳微波科技有限公司 | High-power microwave device |
| CN106654479A (en) * | 2016-12-28 | 2017-05-10 | 中国科学院国家空间科学中心 | Terahertz duplexer built by using waveguide filter |
| KR20170069481A (en) * | 2015-12-11 | 2017-06-21 | 주식회사 이너트론 | Duplexer |
| KR20180047460A (en) * | 2016-10-31 | 2018-05-10 | 주식회사 릿치마이크로웨이브 | Dielectric ceramic waveguide duplexer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7194247B2 (en) * | 2001-09-26 | 2007-03-20 | Nokia Corporation | Dual-channel passband filtering system using acoustic resonators in lattice topology |
| US9466864B2 (en) * | 2014-04-10 | 2016-10-11 | Cts Corporation | RF duplexer filter module with waveguide filter assembly |
| KR101632668B1 (en) * | 2014-11-07 | 2016-06-22 | 주식회사 이너트론 | Duplexer |
-
2018
- 2018-07-05 CN CN201810729643.8A patent/CN109066026B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5534881A (en) * | 1994-08-31 | 1996-07-09 | Hughes Aircraft Company | Microwave filter assembly having a nonsymmetrical waveguide and an antenna |
| US6107898A (en) * | 1998-04-30 | 2000-08-22 | The United State Of America As Represented By The Secretary Of The Navy | Microwave channelized bandpass filter having two channels |
| JP2003204204A (en) * | 2002-01-08 | 2003-07-18 | Murata Mfg Co Ltd | Multiplexer and communication device |
| CN2664294Y (en) * | 2003-11-08 | 2004-12-15 | 摩比天线技术（深圳）有限公司 | A radio-frequency device having multiple-unit duplexer |
| CN201117771Y (en) * | 2007-11-09 | 2008-09-17 | 深圳国人通信有限公司 | Low loss high selectivity clutter suppression -type base station double duplex device |
| CN101557025A (en) * | 2009-05-20 | 2009-10-14 | 南京赛格微电子科技有限公司 | Compact GSM/CDMA shared combiner for transceiving |
| CN103022727A (en) * | 2012-12-28 | 2013-04-03 | 中国电子科技集团公司第五十四研究所 | Low-profile one-dimensional active transceiving phased-array antenna for satellite communication in motion |
| CN203774439U (en) * | 2014-04-04 | 2014-08-13 | 苏州灿勤通讯技术有限公司 | Common-frequency combiner |
| CN204539087U (en) * | 2015-04-17 | 2015-08-05 | 南京信息工程大学 | A kind of X-band marine radar receiver front end image-reject mixer |
| KR20170069481A (en) * | 2015-12-11 | 2017-06-21 | 주식회사 이너트론 | Duplexer |
| CN106329049A (en) * | 2016-08-29 | 2017-01-11 | 成都赛纳微波科技有限公司 | High-power microwave device |
| KR20180047460A (en) * | 2016-10-31 | 2018-05-10 | 주식회사 릿치마이크로웨이브 | Dielectric ceramic waveguide duplexer |
| CN106654479A (en) * | 2016-12-28 | 2017-05-10 | 中国科学院国家空间科学中心 | Terahertz duplexer built by using waveguide filter |
Non-Patent Citations (1)
| Title |
|---|
| 基于LTCC技术的S波段双工器的设计;刘曦;《科技信息》;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109066026A (en) | 2018-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106654495B (en) | A kind of model filters power splitter of the X-band based on substrate integration wave-guide coaxial cavity | |
| CN106876853B (en) | Ku-waveband broadband orthogonal mode coupler | |
| CN104091982B (en) | A kind of ultra broadband band elimination filter loaded based on many step impedance resonator | |
| CN103811833B (en) | Be applied to the height isolation line of rabbet joint duplexer of ultra wide band channel and narrowband channels | |
| CN103390784A (en) | Miniaturized substrate integration waveguide duplexer | |
| CN210628460U (en) | Duplexer and communication equipment | |
| CN109066026B (en) | Ka-band double-channel duplexer applicable to multi-antenna array | |
| CN201408842Y (en) | Double-frequency active receiving antenna of GPS and No.1 beidou system | |
| CN109638398B (en) | Compact band-pass filter with wide stop band and high selectivity | |
| CN101635383A (en) | Micro-strip dual-mode filter with intensified coupling and harmonic suppression characteristics | |
| CN108346845B (en) | Ultra-wideband high-power miniaturized power divider | |
| CN210092301U (en) | Ku frequency band OMT duplexer | |
| CN102637930A (en) | Substrate-insertion type rectangular waveguide band elimination filter | |
| CN110828951B (en) | Ridge waveguide band-pass filter and filtering structure | |
| CN203983430U (en) | A kind of ultra broadband band stop filter loading based on the multistage electric impedance resonator that jumps | |
| CN116111312A (en) | Broadband double-directional coupler based on main and auxiliary different ridge waveguides and vector network analyzer | |
| Zhang et al. | Design of K/Ka-band diplex circular polarizer with high isolation | |
| CN206322828U (en) | One kind 92~96GHz orthomode couplers | |
| US20200280115A1 (en) | Integrated filter system and antenna system | |
| CN210403988U (en) | Miniaturized high-isolation vehicle-mounted radio frequency signal separator | |
| CN106848515B (en) | Integrated filter system and antenna system | |
| CN208690466U (en) | A kind of Ka band dual channel duplexer suitable for multi-antenna array | |
| CN105071009A (en) | LTCC duplexer based on public resonator | |
| CN107196027B (en) | A kind of eight double-channel duplex devices of miniaturization | |
| CN111509344A (en) | OMT duplexer based on high-isolation cross-junction coupler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |