CN104081212B - Radio frequency connector, radio frequency veneer and calibration device - Google Patents
Radio frequency connector, radio frequency veneer and calibration device Download PDFInfo
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- CN104081212B CN104081212B CN201280002544.0A CN201280002544A CN104081212B CN 104081212 B CN104081212 B CN 104081212B CN 201280002544 A CN201280002544 A CN 201280002544A CN 104081212 B CN104081212 B CN 104081212B
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
Abstract
The embodiment of the present invention provides a kind of radio frequency connector, radio frequency veneer and calibration device, radio frequency connector includes inner wire, dielectric layer and outer conductor, dielectric layer is between inner wire and outer conductor, inner wire the first end has sound end, sound end protrudes dielectric layer, outer conductor the first end has the first earth terminal and the second earth terminal, outer conductor the second end and inner wire the second end to constitute test connection end.Connect radio frequency veneer and tester with this radio frequency connector, testing efficiency can be improved.
Description
Technical field
The present invention relates to communication technology, particularly relate to a kind of radio frequency connector, radio frequency veneer and calibration device.
Background technology
Along with the development of communication technology, the application of radio frequency veneer is more and more extensive, but, due to radio frequency list
The feature of the high integration that plate has, it is possible that the faults such as scolding tin is short-circuit, rosin joint, broken string, therefore,
Radio frequency veneer is carried out on-line testing, becomes the guarantee indispensable step of radio frequency veneer quality.
In prior art, the test to radio frequency veneer typically requires the following series of steps of execution: by scraping
Except the welding resistance at test point place is easy to and the contacting of test point, by the way of secant, isolate non-test district
Interference, by the way of fly line, realize the connection with test instrunment, thus obtain test parameter, then
According to test parameter fault point and determine fault type.
But, use method of testing of the prior art that radio frequency veneer is tested, scrape welding resistance, secant,
Radio frequency veneer can be caused expendable damage by the operations such as fly line, and fixed when there are multiple fault needs
Cannot be low to multiple Decoupleds, testing efficiency during position.
Summary of the invention
The embodiment of the present invention provides a kind of radio frequency connector, radio frequency veneer and calibration device, to avoid correlation
Frequently the damage of veneer, improves the testing efficiency to radio frequency veneer.
First aspect provides a kind of radio frequency connector, including:
Inner wire, dielectric layer and outer conductor；Described dielectric layer is arranged at described inner wire and described outer conductor
Between；
First end of described inner wire is provided with sound end, and described sound end protrudes described dielectric layer, for even
Connect the test point after the welding resistance on tested radio frequency veneer is windowed；First end of described outer conductor is provided with first and connects
Ground end and the second earth terminal, for snapping in the interface arrangment on described tested radio frequency veneer, to penetrate described
Frequently adapter is fixed with described tested radio frequency veneer；Second end of described outer conductor and the of described inner wire
Two ends constitute test and connect end, for being connected with the test port of tester.
In conjunction with first aspect, in the first possible implementation of first aspect, described sound end
Diameter is identical with the width of the holding wire of described tested radio frequency veneer.
In conjunction with the first possible implementation of first aspect or first aspect, in the second of first aspect
Planting in possible implementation, the overall diameter of described dielectric layer is 2-4 times of the diameter of described inner wire.
The first possible implementation or the second of first aspect in conjunction with first aspect or first aspect
Possible implementation, in the third possible implementation of first aspect, described radio frequency connector
Characteristic impedance be 50 ohm or 75 ohm.
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible reality of first aspect
In existing mode, the first earth terminal of described outer conductor and the second earth terminal are arc.
Second aspect provides a kind of radio frequency veneer, and the arbitrary radio frequency connector using first aspect to provide is carried out
Test, described radio frequency veneer includes:
Holding wire and the ground area corresponding with described holding wire；
Described holding wire is provided with the test point after welding resistance is windowed, and described test point is used for connecting described radio frequency
Sound end on adapter；
Described ground area is provided with the interface arrangment after welding resistance is windowed, and described interface arrangment is used for connecting institute
State the first earth terminal on radio frequency connector and the second earth terminal connects, with fixing described radio frequency veneer and institute
State radio frequency connector.
The third aspect provides a kind of calibration device, enters for the arbitrary radio frequency connector providing first aspect
Row calibration, so that the tester being connected with described radio frequency connector obtains short circuit open-circuited load and leads directly to (SOLT)
The relevant parameter of calibration algorithm, described calibration device includes:
The ground area that p-wire is corresponding with described p-wire；Described p-wire includes open-circuit line, short-circuit line,
Holding wire or direct-through line；
Being provided with the test point after at least one welding resistance is windowed on described p-wire, described test point is for even
Connect the sound end on described radio frequency connector；
Described ground area is provided with the interface arrangment after at least one welding resistance is windowed, and described interface arrangment is used
In the first earth terminal connected on described radio frequency connector and the second earth terminal, connect with fixing described radio frequency
Device and described calibration device.
In conjunction with the third aspect, in the first possible implementation of the third aspect, described p-wire is
Open-circuit line, one end of described open-circuit line is provided with described test point；Described calibration device is specifically for institute
State radio frequency connector to calibrate, so that the tester being connected with described radio frequency connector obtains SOLT school
The open phase related parameter of quasi-algorithm；Described tester is in open circuit calibration mode.
In conjunction with the third aspect, in the implementation that the second of the third aspect is possible, described p-wire is
Short-circuit line, one end of described short-circuit line is provided with described test point；Described calibration device is specifically for institute
State radio frequency connector to calibrate, so that the tester being connected with described radio frequency connector obtains SOLT school
The short-circuit relevant parameter of quasi-algorithm；Described tester is in short circuit calibration mode.
In conjunction with the third aspect, in the third possible implementation of the third aspect, described p-wire is
Holding wire, one end of described holding wire is provided with described test point, and the other end of described holding wire is provided with
Join load；Described calibration device is specifically for calibrating described radio frequency connector, so that penetrating with described
Frequently the tester that adapter is connected obtains the load-related parameter of SOLT calibration algorithm；At described tester
In load calibration pattern.
In conjunction with the third aspect, in the 4th kind of possible implementation of the third aspect, described p-wire is
Direct-through line, one end of described direct-through line is provided with the first test point, and the other end of described direct-through line is provided with
Second test point, described first test point for connecting the sound end on the first radio frequency connector, described the
Two test points are for connecting the sound end on the second radio frequency connector；
Described ground area is provided with the first interface arrangment and the second interface arrangment, described first interface arrangment
It is connected with the first earth terminal on described first radio frequency connector and the second earth terminal, described second card access node
Structure is connected with the first earth terminal on described second radio frequency connector and the second earth terminal；Described calibration device
Specifically for described radio frequency connector is calibrated, so that the tester being connected with described radio frequency connector
Obtain the straight-through relevant parameter of SOLT calibration algorithm；Described tester is in thru calibration pattern.
Radio frequency connector, radio frequency veneer and the calibration device that the embodiment of the present invention provides, owing to radio frequency connects
First end of the inner wire of device is provided with sound end, and sound end protrudes dielectric layer, is used for connecting tested radio frequency list
Welding resistance on plate window after test point, the first end of outer conductor is provided with the first earth terminal and the second earth terminal,
For snapping in the interface arrangment on tested radio frequency veneer, so that radio frequency connector is fixed with tested radio frequency veneer,
Second end of outer conductor and the second end of inner wire constitute test and connect end, for the test lead with tester
Mouth connects, by using above-mentioned radio frequency connector to realize the connection of tested radio frequency veneer and tester, and
Need not radio frequency veneer is scraped the expendable destruction such as welding resistance, fly line, it is to avoid test process correlation
Frequently the infringement that veneer causes, and this radio frequency connector has simple to operate, the advantage facilitating plug, because of
This can improve the testing efficiency to radio frequency veneer.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, 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.
The structure front view of the radio frequency connector that Fig. 1 provides for the embodiment of the present invention；
The test of the radio frequency connector that Fig. 2-Fig. 6 provides for the embodiment of the present invention connects the company of end and tester
Five kinds that connect end realize structural representation；
The structure upward view of the radio frequency connector that Fig. 7 provides for the embodiment of the present invention；
The structure top view of the radio frequency connector that Fig. 8 provides for the embodiment of the present invention；
The structure top view of the radio frequency veneer that Fig. 9 provides for the embodiment of the present invention；
The structure top view of the open circuit calibration device that Figure 10 provides for the embodiment of the present invention；
The structure top view of the short-circuit calibration device that Figure 11 provides for the embodiment of the present invention；
The structure top view of the load calibration device that Figure 12 provides for the embodiment of the present invention；
The structure top view of the thru calibration device that Figure 13 provides for the embodiment of the present invention；
The schematic flow sheet of the method for testing that Figure 14 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
The radio frequency connector that the embodiment of the present invention provides includes inner wire, dielectric layer and outer the most successively
Conductor；Wherein, dielectric layer is arranged between inner wire and outer conductor；First end of described radio frequency connector
For connecting tested radio frequency veneer, include the first end of inner wire the most successively, dielectric layer and leading outward
First end of body；Second end of described radio frequency connector is used for connecting test instrument.Concrete, in described
First end of conductor is provided with sound end, and sound end protrudes dielectric layer, for connecting on tested radio frequency veneer
Welding resistance window after test point；First end of outer conductor is provided with the first earth terminal and the second earth terminal, protrudes
Dielectric layer, for snapping in the interface arrangment on tested radio frequency veneer, with by radio frequency connector and tested radio frequency
Veneer is fixed.
The structure front view of the radio frequency connector that Fig. 1 provides for the embodiment of the present invention, as it is shown in figure 1, interior
First end of conductor is provided with sound end 1111, and sound end 1111 protrudes dielectric layer, is used for connecting tested radio frequency
Welding resistance on veneer window after test point；First end of outer conductor is provided with the first earth terminal 311 and second
Earth terminal 312, for snapping in the interface arrangment on tested radio frequency veneer, with by radio frequency connector with tested
Radio frequency veneer is fixed.Second end of described radio frequency connector is used for connecting test instrument, concrete, inner wire
The second end 12 and the second end 32 of outer conductor constitute test and connect end, for the test lead of tester
Mouth connects.
The present embodiment radio frequency connector is tested connect end the structure that realizes do not limit, as long as with test
Instrument adapts and connects.The test of the radio frequency connector that Fig. 2-Fig. 6 provides for the embodiment of the present invention connects
Five kinds of the connection end of end and tester realize structural representation, wherein, and label " 263 " in Fig. 2-Fig. 6
The test showing radio frequency connector connects end, and label " 264 " show the test port of tester.Its
In, test shown in Fig. 2 connects end 263 and test port 264 forms screw-type and connects；Survey shown in Fig. 3
Examination connects end 263 and test port 264 forms bayonet coupling；Test shown in Fig. 4 connects end 263 He
Test port 264 forms push-in type and connects；Test shown in Fig. 5 connects end 263 and test port 264 shape
Pushing self-locking formula is become to connect；Test shown in Fig. 6 connects end 263 and test port 264 forms slide-in type even
Connect.It is understood that can also in turn, in Fig. 2-Fig. 6, label " 264 " show radio frequency connection
The test of device connects end, and label " 263 " show the test port of tester, as long as radio frequency connector
It is supporting with the test port of tester that test connects end, it is possible to adapts and connects.
The structure upward view of the radio frequency connector that Fig. 7 provides for the embodiment of the present invention, i.e. from described radio frequency even
The first end connecing device looks over, as it is shown in fig. 7, comprises sound end 1111, dielectric layer 2, part is outer to be led
Body 3, and it is arranged at the first earth terminal 311 and the second earth terminal 312 of outer conductor 3 first end.
The structure top view of the radio frequency connector that Fig. 8 provides for the embodiment of the present invention, i.e. from described radio frequency even
The second end connecing device looks over, and as shown in Figure 8, this radio frequency connector includes inner wire the most successively
1, the second end of dielectric layer 2 and outer conductor 3, specially inner wire 1, dielectric layer 2 and outer conductor 3
Second end.
When the radio frequency connector provided with the present embodiment is carried out at board test, tested radio frequency veneer needs
Arranging the test point after one or more welding resistance is windowed, general radio frequency veneer upper surface has one layer of welding resistance,
It is exactly the place not handicapping weldering at test point or interface arrangment that welding resistance is windowed, by test point or card access node
Structure surface spills, in order to be connected with radio frequency connector, and test point is positioned at the holding wire of tested radio frequency veneer
On, and, the ground area after the welding resistance that tested radio frequency veneer is corresponding with test point is windowed is provided with
Interface arrangment, first that the first end of the architectural feature of interface arrangment and radio frequency connector outer conductor is arranged connects
Ground end and the second earth terminal match.This way it is not necessary to tested radio frequency veneer is scraped welding resistance, fly line
Etc. expendable destruction, it is possible to realize the test to tested radio frequency veneer, application scenarios is extensive, and
And, tested radio frequency veneer is done the process that welding resistance is windowed and arranged interface arrangment, veneer area will not be increased
Also veneer cost will not be increased.
The radio frequency connector of the present embodiment, owing to the first end of inner wire is provided with sound end, sound end protrudes
Dielectric layer, for connecting the test point after the welding resistance on tested radio frequency veneer is windowed, the first end of outer conductor
It is provided with the first earth terminal and the second earth terminal, for snapping in the interface arrangment on tested radio frequency veneer, to incite somebody to action
Radio frequency connector is fixed with tested radio frequency veneer, and the second end of outer conductor and the second end of inner wire are constituted to be surveyed
Examination connects end, for being connected with the test port of tester, by using above-mentioned radio frequency connector to realize quilt
Survey the connection of radio frequency veneer and tester, and need not radio frequency veneer is scraped welding resistance, fly line etc. no
Recoverable destruction, it is to avoid the infringement that radio frequency veneer is caused by test process, and this radio frequency connector tool
Having simple to operate, the advantage facilitating plug, application scenarios is extensive, including but not limited to radio frequency veneer fault
Location and maintenance, veneer produces radio frequency parameter adjustment and automatic test etc..Can be greatly improved radio frequency list
The testing efficiency of plate.
In above-mentioned enforcement, the diameter of the sound end of radio frequency connector can be with fixed size, it is also possible to according to
Holding wire type arranges different size.Preferably, the diameter of the sound end of radio frequency connector and tested radio frequency
The line width of the signal of veneer is identical, so ensure that the seriality that signal transmits.Meanwhile, radio frequency is even
The sound end 1111 that first end of the inner wire connecing device is arranged, protrudes the length of dielectric layer, the least
In 2 centimetres, while ensureing that probe has certain intensity, the stray inductance of introducing is less.
In the above embodiment, it is preferable that the overall diameter of dielectric layer is 2-4 times of the diameter of inner wire,
This is due to holding wire usual on radio frequency veneer and 2-4 times that distance is holding wire width of ground area,
So the first earth terminal of the first end of the outer conductor of guarantee radio frequency connector and the second earth terminal with penetrate
Frequently the interface arrangment contact of veneer.
In the above-described embodiments, select the material of appropriate dielectric constant as dielectric layer, it is ensured that radio frequency connects
The characteristic impedance of device is 50 ohm or 75 ohm, so that the characteristic impedance of radio frequency connector and radio frequency veneer
Characteristic impedance consistent, it is ensured that the seriality of signal transmission, such as, the material of dielectric layer can be ceramic,
The materials such as glass.
In the above embodiment, it is preferable that the first earth terminal 311 and the second earth terminal 312 of outer conductor
For arc or crescent, when the shape of outer conductor the first earth terminal and the second earth terminal is closer to closed form,
The stray inductance introduced is the least, and owing to the first earth terminal and the second earth terminal are for snapping in tested penetrating
Frequently on the interface arrangment of veneer, and the interface arrangment of tested radio frequency veneer be arranged on tested radio frequency veneer with
Welding resistance corresponding to test point window after ground area on, therefore, avoid the first earth terminal and second and connect
Ground end contacts with the holding wire on tested radio frequency veneer.But the first earth terminal 311 and the second earth terminal 312
Shape be not limited to arc, other can form approximation and close such as to can also is that convex shape, concave shape etc.
Close the shape of shape.
In the above-described embodiments, the second end 32 of outer conductor and the first end 12 of inner wire constitute test even
Connect end, it is preferable that the outer surface of the second end of outer conductor is made screw-like and is easy to the test with tester
Port connects, as in figure 2 it is shown, the structure that test connects end is not limited to screw-like, other realize structure
Can be found in shown in Fig. 3-Fig. 6.
Radio frequency veneer for using the radio frequency connector of the present invention to test needs is tested, this
Bright embodiment additionally provides the dependence test structure on radio frequency veneer.Seeing Fig. 9, Fig. 9 is that the present invention is real
Execute the structure top view of the radio frequency veneer that example provides, illustrate only the structure of relevant portion of the present invention, certainly
Other devices or circuit can also be included on radio frequency veneer；As it is shown in figure 9, the radio frequency veneer of the present embodiment
On include:
Holding wire 91 and the ground area 92 corresponding with holding wire 91.
Specifically, an at least measured signal line 91 on each radio frequency veneer, every holding wire 91
What both sides were corresponding has ground area 92.
Holding wire 91 is provided with the test point after welding resistance is windowed 94, and test point 94 is used for and radio frequency connector
On sound end connect.
It is connected with the sound end on radio frequency connector by test point, signal will be tested from tested radio frequency veneer
It is sent to tester, uses for tester analysis.
Ground area 92 is provided with the interface arrangment after welding resistance is windowed 93, and interface arrangment 93 is used for and radio frequency
The first earth terminal and the second earth terminal on adapter connect, with fixed RF veneer and radio frequency connector.
Preferably, the shape of interface arrangment 93 can be arc, crescent etc., the knot of interface arrangment 93
The structure feature the first earth terminal with the first end of the outer conductor of radio frequency connector and the shape phase of the second earth terminal
It coincide, it is simple to the first earth terminal of radio frequency connector and the second earth terminal snap in the clamping of tested radio frequency veneer
In structure, it is ensured that contact good reliable, also tested radio frequency veneer will not be caused any damage simultaneously.
Such as, interface arrangment 93 can be disposed on the groove of the crescent shape on ground area 92, and radio frequency is even
Connect the first earth terminal of the first end of the outer conductor of device and the second earth terminal can be the projection of crescent shape, phase
Projection is answered to snap in corresponding recesses, it is achieved interface arrangment 93 is fixed with radio frequency connector.Certainly, clamping
Structure 93 can also be arranged to the structure of other arcs or other structures in addition to arc, such as convex shape
Or concave shape.
Test point 94 on radio frequency veneer is generally arranged at the place that fault rate is higher, the quantity root of test point
The characteristic of the tested radio frequency veneer on border determines factually, the invention is not limited in this regard.With quilt in the present embodiment
Survey and illustrate as a example by a test point and corresponding interface arrangment on radio frequency veneer.
The radio frequency veneer of the present embodiment, when manufacturing, does welding resistance to the test point on holding wire and windows
Process, the ground area of holding wire both sides is made the interface arrangment that welding resistance is windowed, it is simple to use the present invention
Radio frequency connector it is tested, test is simple, and will not cause tested radio frequency veneer can not
The damage recovered, it is simple to high-volume becomes to produce.
When tested radio frequency veneer is tested by the radio frequency connector using the present invention, owing to radio frequency connects
The inherent character of device, can introduce certain parasitic parameter, and in order to improve the degree of accuracy of test, the present invention is real
Execute example and additionally provide a set of and matching used calibration device of this radio frequency connector, by using the present invention to carry
The radio frequency connector of confession connects calibration device and tester, and tester can obtain posting of this radio frequency connector
Raw parameter, during radio frequency veneer tested for follow-up test, such that it is able to avoid owing to radio frequency connector draws
The parasitic parameter the entered impact on testing precision.
What deserves to be explained is, the tester used in the embodiment of the present invention is provided with short circuit open-circuited load and leads directly to
(Short Open Load Thru, hereinafter referred to as: SOLT) calibration algorithm.
The calibration device that the embodiment of the present invention provides, for radio frequency connector is calibrated, so that test
Instrument obtains the relevant parameter of SOLT calibration algorithm, and described calibration device includes: p-wire and p-wire pair
The ground area answered；P-wire includes open-circuit line, short-circuit line, holding wire or direct-through line；Set on p-wire
Being equipped with the test point after at least one welding resistance is windowed, test point is for connecting the sound end on radio frequency connector；
Ground area is provided with the interface arrangment after at least one welding resistance is windowed, and interface arrangment is used for connecting radio frequency even
Connect the first earth terminal on device and the second earth terminal, with fixed RF adapter and calibration device.Use this
The calibration device that embodiment provides, can avoid the parasitic parameter introduced due to radio frequency connector smart to test
The impact of exactness.It is described in detail as a example by several concrete calibration device below.
The structure top view of the open circuit calibration device that Figure 10 provides for the embodiment of the present invention, surveys in the present embodiment
Examination line is open-circuit line, as shown in Figure 10, and the open circuit calibration device of the present embodiment, including: open-circuit line 101
Ground area 102 with open-circuit line 101 correspondence；Ground area 102 is positioned at the both sides of open-circuit line.
One end of open-circuit line 101 is provided with the test point after welding resistance is windowed 1031, and test point 1031 is used for
It is connected with the sound end on radio frequency connector；
Ground area 102 is provided with the interface arrangment after welding resistance is windowed 1041, and interface arrangment 1041 is used for
It is connected with the first earth terminal on radio frequency connector and the second earth terminal, with fixing open circuit calibration device and penetrating
Frequently adapter.Interface arrangment 1041 can be arranged to a pair crescent shape, and the structure of interface arrangment 1041 is special
First earth terminal of point and the first end of the outer conductor of radio frequency connector and the shape kissing of the second earth terminal
Close.
The open circuit calibration device of the present embodiment generally uses high-quality radio frequency sheet material to realize, and has little temperature
Drift, thermal coefficient of expansion and high dielectric uniformity.
Above-mentioned open circuit calibration device and tester, school is connected by the radio frequency connector using the present invention to provide
Punctual tester is in open circuit calibration mode, and calibration device is used for calibrating radio frequency connector, so that
Tester obtains the open phase related parameter of SOTL calibration algorithm, for making when testing tested radio frequency veneer
With.
The structure top view of the short-circuit calibration device that Figure 11 provides for the embodiment of the present invention, in the present embodiment,
P-wire is short-circuit line, as shown in figure 11, and the short-circuit calibration device of the present embodiment, including: short-circuit line 111
Ground area 112 with short-circuit line 111 correspondence.
First end of short-circuit line 111 is provided with the test point after welding resistance is windowed 1132, and test point 1132 is used for
It is connected with the sound end on radio frequency connector.
Ground area 112 is provided with the interface arrangment after welding resistance is windowed 1142, interface arrangment 1142 for
The first earth terminal and the second earth terminal on radio frequency connector connect, with fixing short circuit calibration device and radio frequency
Adapter.
The short-circuit calibration device of the present embodiment generally uses high-quality radio frequency sheet material to realize, and has little temperature
Drift, thermal coefficient of expansion and high dielectric uniformity.
Above-mentioned short circuit calibration device and tester, school is connected by the radio frequency connector using the present invention to provide
Punctual tester is in short circuit calibration mode, and calibration device is used for calibrating radio frequency connector, so that
Tester obtains the short-circuit relevant parameter of SOLT calibration algorithm, for making when testing tested radio frequency veneer
With.
The structure top view of the load calibration device that Figure 12 provides for the embodiment of the present invention, in the present embodiment,
P-wire is holding wire, as shown in figure 12, and the load calibration device of the present embodiment, including: holding wire
121 and the ground area 122 of holding wire 121 correspondence.
First end of holding wire 121 is provided with the test point after welding resistance is windowed 1233, and test point 1233 is used for
It is connected with the sound end on radio frequency connector.
Second end of holding wire 121 is provided with matched load 125, the impedance of general matched load and adapter
Characteristic impedance identical.
Ground area 122 is provided with the interface arrangment after welding resistance is windowed 1243, and interface arrangment 1243 is used for
It is connected with the first earth terminal on radio frequency connector and the second earth terminal, with dead load calibration device and penetrating
Frequently adapter.
The load calibration device of the present embodiment generally uses high-quality radio frequency sheet material to realize, and has little temperature
Drift, thermal coefficient of expansion and high dielectric uniformity.
Above-mentioned load calibration device and tester, school is connected by the radio frequency connector using the present invention to provide
Punctual tester is in load calibration pattern, and calibration device is used for calibrating radio frequency connector, so that
Tester obtains the load-related parameter of SOLT calibration algorithm, for making when testing tested radio frequency veneer
With.
The structure top view of the thru calibration device that Figure 13 provides for the embodiment of the present invention, needs in the present embodiment
Use two radio frequency connectors, the respectively first radio frequency connector and the second radio frequency connector, this enforcement
In example, p-wire is direct-through line, as shown in figure 13, and the thru calibration device of the present embodiment, including:
Direct-through line 131 and the ground area 132 corresponding with direct-through line 131.
First end of direct-through line 131 is provided with the first test point 1334 after welding resistance is windowed, the first test point
1334 for being connected with the sound end on the first radio frequency connector.
Second end of direct-through line 131 is provided with the second test point 1335 after welding resistance is windowed, the second test point
1335 for being connected with the sound end on the second radio frequency connector.
Ground area 132 is provided with the first interface arrangment 1344 and the second interface arrangment after welding resistance is windowed
1345, the first interface arrangment 1344 is used for and the first earth terminal on the first radio frequency connector and the second ground connection
End connects, with fixing thru calibration device and the first radio frequency connector；Second interface arrangment 1345 for
The first earth terminal on second radio frequency connector and the second earth terminal connect, with fixing thru calibration device and
Second radio frequency connector.
The thru calibration device of the present embodiment generally uses high-quality radio frequency sheet material to realize, and has little temperature
Drift, thermal coefficient of expansion and high dielectric uniformity.
Connect above-mentioned straight-through by the first radio frequency connector and the second radio frequency connector using present invention offer
Calibration device and tester, during calibration, tester is in thru calibration pattern, and calibration device is for radio frequency
Adapter is calibrated, so that tester obtains the straight-through relevant parameter of SOLT calibration algorithm, is used for
Use when testing tested radio frequency veneer.
The accompanying drawing of various embodiments of the present invention is all the first earth terminal with radio frequency connector and the second earth terminal
For carry out as a example by arc illustrating.
The schematic flow sheet of the method for testing that Figure 14 provides for the embodiment of the present invention, is using radio frequency connector
First having to before carrying out the test to tested radio frequency veneer calibrate radio frequency connector, this is owing to penetrating
Frequently the inherent character of adapter, in the connection using radio frequency connector to carry out tested radio frequency veneer and tester
Device, radio frequency connector self can introduce parasitic parameter, affect tester analytical data to a certain extent
Degree of accuracy, therefore, supporting with radio frequency connector has four calibration device, the wherein sum of three single port
One dual-port, the calibration device of three single port respectively open a way calibration device, short circuit calibration device,
Load calibration device, the calibration device of a dual-port is thru calibration device, and the composition of calibration device is such as
Shown in table 1.
The composition of table 1 calibration device
The open circuit calibration device that uses in the present embodiment, short circuit calibration device, load calibration device and straight-through
Calibration device, radio frequency connector, the architectural feature of radio frequency veneer, can refer to implement shown in Fig. 1 to Figure 13
The specific descriptions of example, here is omitted.
As shown in figure 14, for the schematic flow sheet of the method for testing that the embodiment of the present invention provides, described test
Method includes:
1401: radio frequency connector connecting test instrument and open circuit calibration device.
When tester is in open circuit calibration mode, connect open circuit calibration device and test by radio frequency connector
Instrument.The concrete grammar connected is that the inner wire of radio frequency connector is provided with the first end and the survey of sound end
Pilot contacts, and the outer conductor of radio frequency connector is provided with the first end of the first earth terminal and the second earth terminal
Snap in the interface arrangment in open circuit calibration device, to be fixed with open circuit calibration accessory plate by radio frequency connector；
The test that second end of the outer conductor of radio frequency connector and the second end of inner wire are constituted is connected end and test
The test port of instrument connects.
1402: radio frequency connector carries out linear transfer, so that tester obtains to test signal and reflected signal
Obtain open phase related parameter.
Signal and reflected signal will be tested at tester and open circuit aligner by the inner wire of radio frequency connector
Transmit between part, so that tester obtains open phase related parameter.
Linear transfer refers to distortionless transmission.
1403: radio frequency connector connecting test instrument and short circuit calibration device.
Tester is in short circuit calibration mode, connects short circuit calibration device and tester by radio frequency connector.
Method of attachment uses the operation similar to 1401, and here is omitted.
1404: radio frequency connector carries out linear transfer, so that tester obtains to test signal and reflected signal
Obtain short-circuit relevant parameter.
Signal and reflected signal will be tested at tester and short circuit aligner by the inner wire of radio frequency connector
Transmit between part, so that tester obtains short circuit relevant parameter.
Linear transfer refers to distortionless transmission.
1405: radio frequency connector connecting test instrument and load calibration device.
Tester is in load calibration pattern, connects load calibration device and tester by radio frequency connector.
Method of attachment uses the operation similar to 1401, and here is omitted.
1406: radio frequency connector carries out linear transfer, so that tester obtains to test signal and reflected signal
Obtain load-related parameter.
Signal and reflected signal will be tested at tester and load calibrating device by the inner wire of radio frequency connector
Transmit between part, so that tester obtains load-related parameter.
Linear transfer refers to distortionless transmission.
1407: radio frequency connector connecting test instrument and thru calibration device.
Thru calibration device is dual-port calibration device, accordingly, it would be desirable to two identical radio frequency connectors,
It is respectively the first radio frequency connector and the second radio frequency connector.
Tester is in thru calibration pattern, is connected by the first radio frequency connector and the second radio frequency connector
Thru calibration device and tester.Method of attachment uses the operation similar to 1401, and here is omitted.
1408: radio frequency connector carries out linear transfer, so that tester obtains to test signal and reflected signal
Relevant parameter must be led directly to.
In the present embodiment, respectively calibration device is connected with tester by radio frequency connector, it is thus achieved that open circuit
Relevant parameter, short circuit relevant parameter, load-related parameter and straight-through relevant parameter, so that tester is right
When tested radio frequency veneer is tested, according to SOLT algorithm, these relevant parameters obtained are peeled off,
Improve the accuracy of test, to obtaining open phase related parameter, short circuit relevant parameter, load in the present embodiment
The order of relevant parameter and straight-through relevant parameter does not limits.After having performed the calibration to radio frequency connector,
Perform 1409.
1409: radio frequency connector connecting test instrument and tested radio frequency veneer.
Before tested radio frequency veneer is tested, the inner wire of radio frequency connector is provided with sound end
The first end contact with test point, the outer conductor of radio frequency connector is provided with the first earth terminal and second and connects
First end of ground end snaps in the interface arrangment on tested radio frequency veneer, with by radio frequency connector and tested radio frequency
Veneer is fixed；The test second end of the outer conductor of radio frequency connector and the second end of inner wire constituted is even
Connect end to be connected with the test port of tester.
1410: radio frequency connector carries out linear transfer, so that tester obtains to test signal and reflected signal
Obtain the test data of tested radio frequency veneer.
After tester obtains tested radio frequency veneer test data, according to test data and the open circuit being obtained ahead of time
Relevant parameter, short circuit relevant parameter, load-related parameter and straight-through relevant parameter, use SOLT algorithm,
The parasitic parameter that introduced by radio frequency connector is peeled off, to having peeled off the test data after parasitic parameter, enters
Row is analyzed, and to determine the position of fault type and trouble point, improves the accuracy of test.
In the present embodiment, radio frequency connector is calibrated, by radio frequency even initially with 4 calibration accessories
Connect device to be connected with 4 calibration accessories respectively, so that the tester corresponding relevant parameter of acquisition, then, will
Radio frequency connector is connected with tested radio frequency veneer, and radio frequency connector receives the test point on tested radio frequency veneer
The test signal sent, and test signal is sent to tester, so that tester obtains test data,
After tester obtains test data, the open phase related parameter according to test data and being obtained ahead of time, short-circuit phase
Related parameter, load-related parameter and straight-through relevant parameter, use SOLT algorithm, will be by radio frequency connector
The parasitic parameter introduced is peeled off, and to having peeled off the test data after parasitic parameter, is analyzed, to determine
Fault type and the position of trouble point, improve the accuracy of test, and method of testing be simple, also will not
Tested radio frequency veneer is caused damage, it is possible to increase the testing efficiency of radio frequency veneer.
It will appreciated by the skilled person that 1401～1408 pairs of radio frequency connectors of execution in this enforcement
Calibration obtain open phase related parameter, short circuit relevant parameter, load-related parameter and straight-through relevant parameter it
After, by 1409～1410 any number of tested radio frequency veneer can be carried out on-line testing, and without
Perform 1401～1408 pairs of radio frequency connectors to calibrate every time.It should be noted that tested radio frequency list
Can have any number of test point and corresponding interface arrangment on plate, this is not construed as limiting by the present invention, this
To illustrate as a example by a test point on tested radio frequency veneer in embodiment, on this tested radio frequency veneer
Other test points, or on other tested radio frequency veneers perform process identical with principle.
One of ordinary skill in the art will appreciate that: realize all or part of step of said method embodiment
Can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer-readable
Taking in storage medium, this program upon execution, performs to include the step of said method embodiment；And it is aforementioned
Storage medium include: various Jie that can store program code such as ROM, RAM, magnetic disc or CD
Matter.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a radio frequency connector, it is characterised in that including:
Inner wire, dielectric layer and outer conductor；Described dielectric layer is arranged at described inner wire and described outer conductor
Between；
First end of described inner wire is provided with sound end, and described sound end protrudes described dielectric layer, for even
Connect the test point after the welding resistance on tested radio frequency veneer is windowed；First end of described outer conductor is provided with first and connects
Ground end and the second earth terminal, for snapping in the interface arrangment on described tested radio frequency veneer, to penetrate described
Frequently adapter is fixed with described tested radio frequency veneer；Second end of described outer conductor and the of described inner wire
Two ends constitute test and connect end, for being connected with the test port of tester；
Wherein, the first earth terminal and second earth terminal of described outer conductor is arc or crescent.
Radio frequency connector the most according to claim 1, it is characterised in that the diameter of described sound end
Identical with the width of the holding wire of described tested radio frequency veneer.
Radio frequency connector the most according to claim 1 and 2, it is characterised in that described dielectric layer
Overall diameter is 2-4 times of the diameter of described inner wire.
Radio frequency connector the most according to claim 1 and 2, it is characterised in that described radio frequency connects
The characteristic impedance of device is 50 ohm or 75 ohm.
5. a tested radio frequency veneer, uses the radio frequency connector described in any one of claim 1-4 to carry out
Test, it is characterised in that described tested radio frequency veneer includes:
Holding wire and the ground area corresponding with described holding wire；
Described holding wire is provided with the test point after welding resistance is windowed, and described test point is used for connecting described radio frequency
Sound end on adapter；
Described ground area is provided with the interface arrangment after welding resistance is windowed, and described interface arrangment is used for connecting institute
State the first earth terminal on radio frequency connector and the second earth terminal connects, with fixing described tested radio frequency veneer
With described radio frequency connector；
Wherein, the first earth terminal on described radio frequency connector and the second earth terminal are arc or crescent.
6. a calibration device, for carrying out school to the radio frequency connector described in any one of claim 1-4
Standard, so that the tester being connected with described radio frequency connector obtains short circuit open-circuited load and leads directly to SOLT calibration
The relevant parameter of algorithm, it is characterised in that described calibration device includes:
The ground area that p-wire is corresponding with described p-wire；Described p-wire includes open-circuit line, short-circuit line,
Holding wire or direct-through line；
Being provided with the test point after at least one welding resistance is windowed on described p-wire, described test point is for even
Connect the sound end on described radio frequency connector；
Described ground area is provided with the interface arrangment after at least one welding resistance is windowed, and described interface arrangment is used
In the first earth terminal connected on described radio frequency connector and the second earth terminal, connect with fixing described radio frequency
Device and described calibration device；
Wherein, the first earth terminal on described radio frequency connector and the second earth terminal are arc or crescent.
Calibration device the most according to claim 6, it is characterised in that
Described p-wire is open-circuit line, and one end of described open-circuit line is provided with described test point；Described calibration
Device is specifically for calibrating described radio frequency connector, so that the survey being connected with described radio frequency connector
Examination instrument obtains the open phase related parameter of SOLT calibration algorithm；Described tester is in open circuit calibration mode.
Calibration device the most according to claim 6, it is characterised in that
Described p-wire is short-circuit line, and one end of described short-circuit line is provided with described test point；Described calibration
Device is specifically for calibrating described radio frequency connector, so that the survey being connected with described radio frequency connector
Examination instrument obtains the short-circuit relevant parameter of SOLT calibration algorithm；Described tester is in short circuit calibration mode.
Calibration device the most according to claim 6, it is characterised in that
Described p-wire is holding wire, and one end of described holding wire is provided with described test point, described signal
The other end of line is provided with matched load；Described calibration device is specifically for carrying out school to described radio frequency connector
Standard, so that the relevant ginseng of load obtaining SOLT calibration algorithm to the tester that described radio frequency connector is connected
Number；Described tester is in load calibration pattern.
Calibration device the most according to claim 6, it is characterised in that described p-wire is straight-through
Line, one end of described direct-through line is provided with the first test point, and the other end of described direct-through line is provided with second
Test point, described first test point is for connecting the sound end on the first radio frequency connector, and described second surveys
Pilot is for connecting the sound end on the second radio frequency connector；
Described ground area is provided with the first interface arrangment and the second interface arrangment, described first interface arrangment
It is connected with the first earth terminal on described first radio frequency connector and the second earth terminal, described second card access node
Structure is connected with the first earth terminal on described second radio frequency connector and the second earth terminal；Described calibration device
Specifically for described radio frequency connector is calibrated, so that the tester being connected with described radio frequency connector
Obtain the straight-through relevant parameter of SOLT calibration algorithm；Described tester is in thru calibration pattern.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/086540 WO2014089803A1 (en) | 2012-12-13 | 2012-12-13 | Radio frequency connector, radio frequency board and calibration component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104081212A CN104081212A (en) | 2014-10-01 |
| CN104081212B true CN104081212B (en) | 2016-11-30 |
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