CN207098027U - A kind of New-type radio-frequency coaxial load - Google Patents
A kind of New-type radio-frequency coaxial load Download PDFInfo
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- CN207098027U CN207098027U CN201720328621.1U CN201720328621U CN207098027U CN 207098027 U CN207098027 U CN 207098027U CN 201720328621 U CN201720328621 U CN 201720328621U CN 207098027 U CN207098027 U CN 207098027U
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- outer conductor
- inner wire
- bonnet
- dielectric
- load
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Abstract
The utility model discloses a kind of New-type radio-frequency coaxial load, including outer conductor, dielectric, inner wire, pellet resistance, circular solids sealing gasket, bonnet, outer conductor ring surface, outer conductor stepped hole and inner wire lateral surface；The assembly relation of the present apparatus be by dielectric load outer conductor, again by inner wire load dielectric, be put into pellet resistance, pellet resistance front end face should just and meanwhile contact above outer conductor outer conductor ring surface and inner wire inner wire lateral surface, it is reloaded into circular solids sealing gasket, bonnet, wherein the outer conductor stepped hole of the external diameter of bonnet and outer conductor is interference fit, needs to be press-fitted during loading.
Description
Technical field
A kind of coaxial one port devices of Miniature RF are the utility model is related to, are coaxially born more particularly to a kind of New-type radio-frequency
Carry.
Background technology
Radio frequency coaxial load is exactly one non-by formula energy-absorbing terminal in fact, and it is the electricity that will come from port transmission that it, which is acted on,
Magnetic wave energy all absorbs, as small as possible in frequency band internal reflection as wide as possible.Radio frequency coaxial load is in wireless device, electronics
It is widely used in instrument and various microwaves equipment, in systems, vacant alternate channel and test port is entered
Row impedance matching, both ensure that the impedance matching of signal, greatly reduce again mutually dry between vacant port signal leakage, system
Disturb, be one of important component of RF transmission system, the good ring of its performance, the comprehensive of whole system will be directly influenced
Energy.
The major defect of prior art is mainly as follows：1st, existing coaxial load typically uses rod resistance, and the resistance is general
Length is longer (more than 6mm), causes the length of coaxial load long.2nd, resistance length is longer, and the resistive film distribution on its surface is not
Uniformly, microwave reflection is larger, and it is not high to ultimately result in coaxial load frequency of use, and 3, in order to carry out impedance matching with rod resistance,
Need also to do also taper in outer conductor, processing is more complicated.Precision connector, Surface-mount connector are backward in technique.Passive intermodulation is asked
Topic does not cause enough attention.Development trend 1. minimizes；With the miniaturization of machine system, the volume of RF connectors is increasingly
Small, such as SSMB, MMCX series, volume are very small.2. high-frequency；U.S. HP has early just released frequency and arrived several years ago
110GHz RF connectors.Domestic universal product frequency of use is no more than 40GHz.Flexible cable frequency of use is no more than 10GHz,
Semi-rigid cable is no more than 20GHz.It is 3. multi-functional：In addition to serving as a connection, have the function of process signal concurrently, such as filtering, phase modulation position,
Mixing, decay, detection, amplitude limit etc..4. low standing wave, low-loss:Meet armament systems and the needs of accurate measurement.5. Large Copacity,
It is high-power:The main development need for adapting to information superhighway.
Utility model content
This patent mainly solves that existing radio frequency coaxial load length is long, can not be used under some narrow and small environment
Problem, while also solve the problem of its frequency of use is relatively low.Existing radio frequency coaxial load is generally adopted by 50 inside it
The bar-shaped noninductive resistance of ohm, for the general length of this resistance more than 6mm, which results in need increase extra in rf load length
6mm, and this programme uses pellet resistance, and its thickness only has 0.5mm less than greatly reducing the length of coaxial load.Simultaneously
Due to resistance very thin thickness, its frequency of use is obviously improved.
A kind of New-type radio-frequency coaxial load, including the sealing of outer conductor, dielectric, inner wire, pellet resistance, circular solids
Pad, bonnet, outer conductor ring surface, outer conductor stepped hole and inner wire lateral surface；The assembly relation of the present apparatus is by dielectric
Load outer conductor, again by inner wire load dielectric, be put into pellet resistance, the front end face of pellet resistance just while should contact
The outer conductor ring surface of upper outer conductor and the inner wire lateral surface of inner wire, are reloaded into circular solids sealing gasket, bonnet, wherein after
The external diameter of lid and the outer conductor stepped hole of outer conductor are interference fit, need to be press-fitted during loading.
Brief description of the drawings
Fig. 1 is a kind of structural representation of radio frequency coaxial load provided by the utility model.
1- outer conductors；2- dielectrics；3- inner wires；4- pellet resistances；5- circular solids sealing gaskets；6- bonnets；11-
Outer conductor ring surface；12- outer conductor stepped holes；32- inner wire lateral surfaces.
Embodiment
The utility model is described in further details below in conjunction with the accompanying drawings.
A kind of New-type radio-frequency coaxial load, it is characterised in that the radio frequency coaxial load include outer conductor 1, dielectric 2,
Inner wire 3, pellet resistance 4, circular solids sealing gasket 5, bonnet 6, outer conductor ring surface 11, outer conductor stepped hole 12 and interior lead
Outside 32；The assembly relation of the present apparatus be by dielectric 2 load outer conductor 1, again by inner wire 3 load dielectric 2,
It is put into pellet resistance 4, the front end face of pellet resistance 4 just while the outer conductor ring surface 11 of the upper outer conductor 1 of contact and interior should be led
The inner wire lateral surface 32 of body 3, is reloaded into circular solids sealing gasket 5, and bonnet 6, the wherein external diameter of bonnet 6 are outer with outer conductor 1
Conductor stepped hole 12 is interference fit, needs to be press-fitted during loading.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (1)
1. a kind of New-type radio-frequency coaxial load, it is characterised in that the radio frequency coaxial load includes outer conductor (1), dielectric
(2), inner wire (3), pellet resistance (4), circular solids sealing gasket (5), bonnet (6), outer conductor ring surface (11), outer conductor platform
Rank hole (12) and inner wire lateral surface (32)；The assembly relation of the present apparatus is that dielectric (2) is loaded into outer conductor (1), again will
Inner wire (3) load dielectric (2), be put into pellet resistance (4), pellet resistance (4) front end face should just simultaneously contact on
The outer conductor ring surface (11) of outer conductor (1) and the inner wire lateral surface (32) of inner wire (3), are reloaded into circular solids sealing gasket
(5) external diameter of, bonnet (6), wherein bonnet (6) and the outer conductor stepped hole (12) of outer conductor (1) are interference fit, are needed during loading
It is press-fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720328621.1U CN207098027U (en) | 2017-03-31 | 2017-03-31 | A kind of New-type radio-frequency coaxial load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720328621.1U CN207098027U (en) | 2017-03-31 | 2017-03-31 | A kind of New-type radio-frequency coaxial load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207098027U true CN207098027U (en) | 2018-03-13 |
Family
ID=61549709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720328621.1U Active CN207098027U (en) | 2017-03-31 | 2017-03-31 | A kind of New-type radio-frequency coaxial load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207098027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786913A (en) * | 2019-03-22 | 2019-05-21 | 西安雷航电子信息技术有限公司 | A kind of radio frequency coaxial load based on film resistor |
| CN112670686A (en) * | 2020-12-31 | 2021-04-16 | 上海华湘计算机通讯工程有限公司 | High-temperature-resistant high-power quick-plugging SMP load |
-
2017
- 2017-03-31 CN CN201720328621.1U patent/CN207098027U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786913A (en) * | 2019-03-22 | 2019-05-21 | 西安雷航电子信息技术有限公司 | A kind of radio frequency coaxial load based on film resistor |
| CN109786913B (en) * | 2019-03-22 | 2023-09-01 | 西安雷航电子信息技术有限公司 | Radio frequency coaxial load based on thin film resistor |
| CN112670686A (en) * | 2020-12-31 | 2021-04-16 | 上海华湘计算机通讯工程有限公司 | High-temperature-resistant high-power quick-plugging SMP load |
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