CN205508990U - Low intermodulation attenuator of high -power wide band of 200W - Google Patents
Low intermodulation attenuator of high -power wide band of 200W Download PDFInfo
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- CN205508990U CN205508990U CN201521080597.1U CN201521080597U CN205508990U CN 205508990 U CN205508990 U CN 205508990U CN 201521080597 U CN201521080597 U CN 201521080597U CN 205508990 U CN205508990 U CN 205508990U
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- low intermodulation
- attenuator
- intermodulation
- cavity
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Abstract
The utility model discloses a low intermodulation attenuator of high -power wide band of 200W, low intermodulation attenuator of high -power wide band of 200W includes attenuator cavity, low intermodulation coupling ware and low intermodulation cable subassembly, the attenuator cavity includes cavity and lower cavity, go up the cavity and be equipped with heat abstractor down between the cavity, heat abstractor is square form, heat abstractor comprises the first heat dissipation curb plate, second heat dissipation curb plate, third heat dissipation curb plate and the fourth heat dissipation curb plate that connect gradually, low intermodulation coupling ware is fixed on first heat dissipation curb plate and second heat dissipation curb plate, low intermodulation cable subassembly is fixed under on the cavity, low intermodulation cable subassembly is connected with low intermodulation coupling ware. The utility model discloses simple structure can be used to 700MHz~3GHz frequency channel microwave communication equipment or microwave test system, can minimum passive intermodulation level reach 150dBc to can satisfy the actual demand of intermodulation by the communication system of higher requirement, and have better radiating effect, can bear bigger input power.
Description
Technical field
This utility model relates to the low intermodulation Passive Power attenuator in microwave and wireless communication field, particularly to coaxial interface, (frequency range is 700MHz～3GHz, pad value: 6,10,20,30,40dB, power is 200W) one low intermodulation power attenuator.
Background technology
In various radio communications, due to the defect in material behavior, manufacturing process of the passive device in equipment and connect and improper can produce non-linear phenomena, thus cause multistage passive intermodulation to disturb signal, 3,5,7 rank that wherein energy comparison is high once fall into the reception frequency range of duplex signaling, will produce the interference of the communication to this system and neighbouring system thereof.High-power low-intermodulation attenuator have to meet the electrically and mechanically performance requirement of system, to accomplish that technique is simple, qualification rate is high, production cost is low in batch production simultaneously.High-power low-intermodulation attenuator is made up of low intermodulation cable assembly.Under normal circumstances, 700MHz-3GHz to be accomplished, pad value: 6,10,20,30,40dB, the low intermodulation attenuator of third order intermodulation-150dBc broad-frequency high-power is extremely difficult.
In sum, for the defect of prior art, it is accordingly required in particular to a kind of low intermodulation attenuator of high-power broadband, to solve the deficiencies in the prior art.
Utility model content
This utility model is in order to solve the problems referred to above, thus provides a kind of low intermodulation attenuator of 200W high-power broadband.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows:
A kind of low intermodulation attenuator of 200W high-power broadband, the described low intermodulation attenuator of 200W high-power broadband includes attenuator cavity, low intermodulation bonder and low intermodulation cable assembly, described attenuator cavity includes upper cavity and lower chamber, it is provided with heat abstractor between described upper cavity and lower chamber, described heat abstractor is square shape, described heat abstractor is by the first side radiating plate-fin being sequentially connected with, second side radiating plate-fin, 3rd side radiating plate-fin and the 4th side radiating plate-fin composition, described low intermodulation bonder is fixed on the first side radiating plate-fin and the second side radiating plate-fin, described low intermodulation cable assembly is fixed on lower chamber, described low intermodulation cable assembly is connected with low intermodulation bonder.
In a preferred embodiment of the present utility model, the described low intermodulation attenuator of 200W high-power broadband also includes a fixed plate and a base plate, and described fixed plate and base plate are fixed on lower chamber.
In a preferred embodiment of the present utility model, described low intermodulation bonder is made up of low intermodulation N-type famale connector and low intermodulation transmission line, and described low intermodulation transmission line is connected with low intermodulation N-type famale connector.
In a preferred embodiment of the present utility model, described low intermodulation cable assembly is made up of low intermodulation adapter and low intermodulation radio frequency coaxial-cable line, and described low intermodulation radio frequency coaxial-cable line is connected with low intermodulation adapter.
The beneficial effects of the utility model are:
This utility model simple in construction, can be used in 700MHz～3GHz frequency range microwave communication equipment or microwave test system, minimum passive intermodulation level can reach-150dBc, it is thus possible to meet intermodulation by the actual demand of the communication system of high requirement, and have preferable radiating effect, bigger input power can be born.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is front view of the present utility model；
Fig. 2 is internal structure schematic diagram of the present utility model；
Fig. 3 is side view of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with being specifically illustrating, this utility model is expanded on further.
Seeing Fig. 1 to Fig. 3, the low intermodulation attenuator of 200W high-power broadband 100 that this utility model provides, it includes attenuator cavity, low intermodulation bonder 130 and low intermodulation cable assembly 140.
Attenuator cavity, it is made up of upper cavity 121 and lower chamber 122, is provided with heat abstractor between upper cavity 121 and lower chamber 122.
Heat abstractor, it is the heat dispersion for improving attenuator 100, and it is specially square casing, and heat abstractor specifically first side radiating plate-fin the 210, second side radiating plate-fin the 220, the 3rd side radiating plate-fin 230 and the 4th side radiating plate-fin 240 by being sequentially connected with forms.
Low intermodulation bonder 130 is arranged on heat abstractor, it is fixed on the first side radiating plate-fin 210 and the second side radiating plate-fin 220 especially by screw, it is specifically made up of low intermodulation N-type famale connector and low intermodulation transmission line, and low intermodulation transmission line is connected with low intermodulation N-type famale connector.
Low intermodulation cable assembly 140, it is fixed by screws on lower chamber 122, it is connected with low intermodulation bonder 130, and low intermodulation cable assembly 140 is specifically made up of low intermodulation adapter and low intermodulation radio frequency coaxial-cable line, and low intermodulation radio frequency coaxial-cable line is connected with low intermodulation adapter.
So, the heat that 200W high-power broadband low intermodulation attenuator 100 produces can be delivered on heat abstractor carry out quick heat radiating by low intermodulation cable assembly 140 and low intermodulation bonder 130.
It addition, the low intermodulation attenuator of 200W high-power broadband 100 also includes fixed plate 300 and a base plate 400, described fixed plate 300 and base plate 400 are fixed on lower chamber 122, and fixed plate 300 and base plate 400 are used for coiling low intermodulation cable assembly 140.
Of the present utility model concrete number of assembling steps be presented herein below:
First with screw, fixed plate 300 and base plate 400 are fixed, again low intermodulation cable assembly 140 winding, it is screwed on lower chamber 122, again low intermodulation bonder 130 is fixed by screws on the first side radiating plate-fin 210 and the second side radiating plate-fin 220, and the first side radiating plate-fin 210 and the second side radiating plate-fin 220 are fixed on lower chamber 122, then low intermodulation bonder 130 and low intermodulation cable assembly 140 are linked together, again the 3rd side radiating plate-fin 230 and the 4th side radiating plate-fin 240 are fixed on lower chamber 122, finally cover upper cavity 121 and be screwed.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (4)
1. the low intermodulation attenuator of 200W high-power broadband, it is characterized in that, the described low intermodulation attenuator of 200W high-power broadband includes attenuator cavity, low intermodulation bonder and low intermodulation cable assembly, described attenuator cavity includes upper cavity and lower chamber, it is provided with heat abstractor between described upper cavity and lower chamber, described heat abstractor is square shape, described heat abstractor is by the first side radiating plate-fin being sequentially connected with, second side radiating plate-fin, 3rd side radiating plate-fin and the 4th side radiating plate-fin composition, described low intermodulation bonder is fixed on the first side radiating plate-fin and the second side radiating plate-fin, described low intermodulation cable assembly is fixed on lower chamber, described low intermodulation cable assembly is connected with low intermodulation bonder.
A kind of low intermodulation attenuator of 200W high-power broadband the most according to claim 1, it is characterised in that the described low intermodulation attenuator of 200W high-power broadband also includes a fixed plate and a base plate, and described fixed plate and base plate are fixed on lower chamber.
A kind of low intermodulation attenuator of 200W high-power broadband the most according to claim 1, it is characterised in that described low intermodulation bonder is made up of low intermodulation N-type famale connector and low intermodulation transmission line, and described low intermodulation transmission line is connected with low intermodulation N-type famale connector.
A kind of low intermodulation attenuator of 200W high-power broadband the most according to claim 1, it is characterized in that, described low intermodulation cable assembly is made up of low intermodulation adapter and low intermodulation radio frequency coaxial-cable line, and described low intermodulation radio frequency coaxial-cable line is connected with low intermodulation adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521080597.1U CN205508990U (en) | 2015-12-22 | 2015-12-22 | Low intermodulation attenuator of high -power wide band of 200W |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521080597.1U CN205508990U (en) | 2015-12-22 | 2015-12-22 | Low intermodulation attenuator of high -power wide band of 200W |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205508990U true CN205508990U (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521080597.1U Active CN205508990U (en) | 2015-12-22 | 2015-12-22 | Low intermodulation attenuator of high -power wide band of 200W |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205508990U (en) |
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2015
- 2015-12-22 CN CN201521080597.1U patent/CN205508990U/en active Active
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