CN213752989U - Signal processing device and combiner - Google Patents
Signal processing device and combiner Download PDFInfo
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- CN213752989U CN213752989U CN202023277453.9U CN202023277453U CN213752989U CN 213752989 U CN213752989 U CN 213752989U CN 202023277453 U CN202023277453 U CN 202023277453U CN 213752989 U CN213752989 U CN 213752989U
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Abstract
The utility model relates to a signal processing device, signal processing device includes: a first-stage hybrid combining device, which comprises two bridges and two filters and has two signal inputs and one signal output, wherein the two signal inputs are designed to input two signals to be combined and the signal output is designed to output a first signal that has been combined; and a second-stage mixing and combining device, which comprises two bridges and two filters and has two signal inputs and one signal output, wherein the two signal inputs are designed to input a signal to be combined and the first combined signal and the signal output is designed to output a second combined signal.
Description
Technical Field
The utility model relates to the field of communication technology, more specifically relate to a signal processing apparatus and a combiner including foretell signal processing apparatus.
Background
A combiner is a very common radio frequency device that combines multiple narrowband signals into one wideband mixed signal and transmits it via a common antenna.
In order to reduce the interference between different systems, a certain protection bandwidth is reserved between every two paths of signals. On the other hand, this makes the guard bandwidth smaller and smaller in order to make full use of the spectrum. Therefore, the isolation between the systems is improved by adding the out-of-band pole in the traditional combiner, but the insertion loss is greatly increased, and the volume of the combiner is larger. In particular, conventional combiners are hardly able to combine signals with a very small guard bandwidth.
The conventional combiner has a limited number of input signals due to a limited structure. A certain guard interval is reserved between each path of input signals, otherwise, each path of signals cannot be isolated from each other.
SUMMERY OF THE UTILITY MODEL
In view of the deep understanding of the problems existing in the background art, the inventor of the present invention has conceived of designing a signal processing apparatus that employs a hybrid combiner in which an electric bridge and a filter are mixed, and that utilizes the characteristic that signal phases are superimposed and cancelled through the electric bridge, so that insertion loss and isolation are superior to those of the conventional combiner, and the volume is also smaller than that of the conventional combiner.
Particularly, the utility model discloses a first aspect provides a signal processing device, signal processing device includes:
a first-stage hybrid combining device, which comprises two bridges and two filters and has two signal inputs and one signal output, wherein the two signal inputs are designed to input two signals to be combined and the signal output is designed to output a first signal that has been combined; and
a second-stage hybrid combiner arrangement, which comprises two bridges and two filters and has two signal inputs and one signal output, wherein the two signal inputs are designed to input a signal to be combined and the first combined signal and the signal output is designed to output a second combined signal.
In the basis the utility model discloses an among the signal processing apparatus, owing to adopted electric bridge and wave filter, and signal phase place produces the stack and offsets through the electric bridge, so make to insert to decrease and keep apart and all be superior to traditional combiner. Meanwhile, the basis the utility model provides a multistage hybrid combiner can be adopted to signal processing apparatus's design, realizes the combiner of arbitrary multichannel signal.
In an embodiment according to the present invention, the signal processing apparatus further includes:
at least one post-stage mixing and combining device, each of which comprises two bridges and two filters and has two signal inputs and one signal output, wherein the two signal inputs are configured to input a signal to be combined and a signal output from an output of a last-stage mixing and combining device of the post-stage mixing and combining device, and the signal output is configured to output the combined signal. In this way, a multi-stage hybrid combiner can be adopted to realize the combination of any multi-path signals.
In an embodiment according to the present invention, the number of the at least one rear-stage hybrid combining device is at least three. In such a way, any multi-channel signals can be combined, thereby overcoming the defect that the traditional combiner can only combine limited multi-channel signals.
In an embodiment according to the present invention, the two filters included in each of the rear-stage hybrid combining devices have the same structure. Preferably, in an embodiment according to the present invention, the two filters included in the first-stage hybrid combining device have the same structure. Further preferably, in an embodiment according to the present invention, the two filters included in the second stage hybrid combiner device have the same structure. More preferably, in an embodiment according to the present invention, the frequency bands suitable for the two filters included in the first-stage hybrid combiner device are different from the frequency bands suitable for the two filters included in the second-stage hybrid combiner device.
In an embodiment according to the present invention, the two bridges included in the first-stage hybrid combining device and the two bridges included in the second-stage hybrid combining device are 90-degree bridges.
Furthermore, the utility model discloses a second aspect provides a combiner, combiner includes according to the utility model discloses a signal processing device that the first aspect provided.
In summary, according to the present invention, the signal processing apparatus employs the bridge and the filter, and the signal phase is superimposed and offset by the bridge, so that the insertion loss and isolation are better than those of the conventional combiner. Meanwhile, the basis the utility model provides a multistage hybrid combiner can be adopted to signal processing apparatus's design, realizes the combiner of arbitrary multichannel signal.
Drawings
Embodiments are shown and described with reference to the drawings. These drawings are provided to illustrate the basic principles and thus only show the aspects necessary for understanding the basic principles. The figures are not to scale. In the drawings, like reference numerals designate similar features.
Fig. 1 shows a schematic structural diagram of a signal processing apparatus 100 according to an embodiment of the present invention; and
fig. 2 shows a schematic structural diagram of a signal processing apparatus 200 according to another embodiment of the present invention.
Other features, characteristics, advantages and benefits of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
Detailed Description
In the following detailed description of the preferred embodiments, reference is made to the accompanying drawings which form a part hereof. The accompanying drawings illustrate, by way of example, specific embodiments in which the invention may be practiced. The illustrated embodiments are not intended to be exhaustive of all embodiments according to the invention. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims.
The combiner is used for solving the technical problem in the prior art that the combiner applicable to the prior art is single and fixed in structure and not flexible enough; and the number of signal paths which can be combined is very limited, and usually does not exceed six. The utility model discloses an inventor thinks about designing a signal processing device, this signal processing device adopts electric bridge and wave filter to carry out the mixed combiner that mixes, utilizes the signal phase place to produce the characteristic that superposes and offset through the electric bridge for the insertion loss and the isolation are all superior to traditional combiner, and the volume is also less than traditional combiner simultaneously.
The following describes a specific structure of the signal processing device according to the present invention with reference to fig. 1 and 2.
Fig. 1 shows a schematic structural diagram of a signal processing apparatus 100 according to an embodiment of the present invention. The signal processing apparatus 100 includes: a first-stage hybrid combination device, which comprises two bridges 111, 112 and two filters 116, 117 and has two signal inputs and one signal output, wherein the two signal inputs are designed to input two signals to be combined, namely signal F1 and signal F2, and the signal output is designed to output a combined first signal; the second-stage hybrid combination device comprises two bridges 121, 122 and two filters 126, 127 and has two signal inputs and one signal output, wherein the two signal inputs are designed to input a signal F3 to be combined and the first combined signal and the signal output is designed to output a second combined signal OUT. In the basis the utility model discloses an among the signal processing apparatus, owing to adopted electric bridge and wave filter, and signal phase place produces the stack and offsets through the electric bridge, so make to insert to decrease and keep apart and all be superior to traditional combiner. Meanwhile, according to the utility model discloses a signal processing device 100's conception can adopt the multistage hybrid combiner, realizes the combiner of arbitrary multichannel signal.
To show the structure of the signal processing apparatus when more multi-path signals need to be combined, fig. 2 shows a schematic structural diagram of a signal processing apparatus 200 according to another embodiment of the present invention. As can be seen from fig. 2, the signal processing device 200 comprises a first-stage hybrid combination device, which comprises two bridges 211, 212 and two filters 216, 217 and has two signal inputs and one signal output, wherein the two signal inputs are designed to input two signals to be combined, namely signal F1 and signal F2, and the signal output is designed to output a combined first signal; the second-stage hybrid combination device comprises two bridges 221, 222 and two filters 226, 227 and has two signal inputs and one signal output, wherein the two signal inputs are designed to input a signal F3 to be combined and the first combined signal and the signal output is designed to output a second combined signal. The difference from fig. 1 is that the signal processing device 200 shown in fig. 2 also has at least one downstream hybrid combination device, in this case two downstream hybrid combination devices, the first of which comprises two bridges 231, 232 and two filters 236, 237, respectively, and has two signal inputs and one signal output, wherein the two signal inputs are designed to input a signal F4 to be combined and a signal output from an output of a preceding hybrid combination device of the downstream hybrid combination device, and the signal output is designed to output a combined signal. The second downstream hybrid combiner device comprises two bridges 2n1, 2n2 and two filters 2n6, 2n7, respectively, and has two signal inputs and one signal output, wherein the two signal inputs are designed to input a signal Fn to be combined and a signal output by an output of a preceding hybrid combiner device of the downstream hybrid combiner device, and the signal output is designed to output a combined signal OUT. In this way, a multi-stage hybrid combiner can be adopted to realize the combination of any multi-path signals. It should be understood by those skilled in the art that the two subsequent-stage hybrid combining devices are only exemplary and not restrictive, and the technical solutions according to the inventive concepts of the present invention will fall within the scope of the appended claims. Specifically, the number of the at least one post-stage mixing and combining device is at least three. Because the input signal quantity of the combiner in the traditional mode can only be combined into six paths at most, any multi-path signal exceeding six paths can be combined in the mode, and the defect that the traditional combiner can only combine limited multi-path signals is overcome. Thereby being capable of combining more signals than the conventional combiner.
In an embodiment according to the present invention, the two filters 236 and 237 or the two filters 2n6 and 2n7 included in each of the rear-stage hybrid combining devices have the same structure. Preferably, in an embodiment according to the present invention, the two filters 216 and 217 included in the first-stage hybrid combining apparatus are identical in structure. Further preferably, the two filters 226 and 227 included in the second stage hybrid combiner are identical in structure. More preferably, the frequency bands to which the two filters 216 and 217 included in the first stage of hybrid combining device are applied are different from the frequency bands to which the two filters 226 and 227 included in the second stage of hybrid combining device are applied. Optionally, both the two electric bridges included in the first-stage hybrid combining device and the two electric bridges included in the second-stage hybrid combining device are 90-degree electric bridges. For impedance matching, a resistor or other component with a resistance value may be connected to the other output terminal of the bridge (111, 121, 211, 221, 231, 2n1) of each stage of the hybrid combining device for impedance matching.
In summary, according to the present invention, the signal processing apparatus employs the bridge and the filter, and the signal phase is superimposed and offset by the bridge, so that the insertion loss and isolation are better than those of the conventional combiner. Meanwhile, the basis the utility model provides a multistage hybrid combiner can be adopted to signal processing apparatus's design, realizes the combiner of arbitrary multichannel signal.
While various exemplary embodiments of the invention have been described, it will be apparent to those skilled in the art that various changes and modifications can be made which will achieve one or more of the advantages of the invention without departing from the spirit and scope of the invention. Other components performing the same function may be substituted as appropriate by those skilled in the art. It should be understood that features explained herein with reference to a particular figure may be combined with features of other figures, even in those cases where this is not explicitly mentioned. Furthermore, the methods of the present invention can be implemented in either all software implementations using appropriate processor instructions or in hybrid implementations using a combination of hardware logic and software logic to achieve the same result. Such modifications to the solution according to the invention are intended to be covered by the appended claims.
Claims (9)
1. A signal processing apparatus, characterized in that the signal processing apparatus comprises:
a first-stage hybrid combining device, which comprises two bridges and two filters and has two signal inputs and one signal output, wherein the two signal inputs are designed to input two signals to be combined and the signal output is designed to output a first signal that has been combined; and
a second-stage hybrid combiner arrangement, which comprises two bridges and two filters and has two signal inputs and one signal output, wherein the two signal inputs are designed to input a signal to be combined and the first combined signal and the signal output is designed to output a second combined signal.
2. The signal processing apparatus of claim 1, further comprising:
at least one post-stage mixing and combining device, each of which comprises two bridges and two filters and has two signal inputs and one signal output, wherein the two signal inputs are configured to input a signal to be combined and a signal output from an output of a last-stage mixing and combining device of the post-stage mixing and combining device, and the signal output is configured to output the combined signal.
3. The signal processing apparatus of claim 2, wherein the at least one post-stage mixing and combining apparatus is at least three in number.
4. The signal processing apparatus according to claim 2 or 3, wherein the two filters included in each of the subsequent-stage mixing and combining apparatuses have the same structure.
5. The signal processing apparatus of claim 1 wherein the two filters included in the first stage hybrid combiner apparatus are identical.
6. The signal processing apparatus of claim 1, wherein the two filters included in the second stage hybrid combiner apparatus are identical.
7. The signal processing apparatus of claim 1, wherein the frequency bands to which the two filters included in the first stage of hybrid combining apparatus are applied are different from the frequency bands to which the two filters included in the second stage of hybrid combining apparatus are applied.
8. The signal processing apparatus of claim 1 or 2, wherein the two bridges included in the first stage hybrid combining means and the two bridges included in the second stage hybrid combining means are both 90-degree bridges.
9. Combiner, characterized in that it comprises a signal processing device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023277453.9U CN213752989U (en) | 2020-12-30 | 2020-12-30 | Signal processing device and combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023277453.9U CN213752989U (en) | 2020-12-30 | 2020-12-30 | Signal processing device and combiner |
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| Publication Number | Publication Date |
|---|---|
| CN213752989U true CN213752989U (en) | 2021-07-20 |
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| CN202023277453.9U Active CN213752989U (en) | 2020-12-30 | 2020-12-30 | Signal processing device and combiner |
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| CN (1) | CN213752989U (en) |
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- 2020-12-30 CN CN202023277453.9U patent/CN213752989U/en active Active
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Address after: 215300 No.6 Shen'an Road, Dianshanhu Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: ProLogis Communication Technology (Suzhou) Co.,Ltd. Address before: 215345 No. 6 Shen'an Road, Dianshan Lake Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Rosenberg Technology Co.,Ltd. |