CN103759760A - Testing method and testing device - Google Patents
Testing method and testing device Download PDFInfo
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- CN103759760A CN103759760A CN201410015116.2A CN201410015116A CN103759760A CN 103759760 A CN103759760 A CN 103759760A CN 201410015116 A CN201410015116 A CN 201410015116A CN 103759760 A CN103759760 A CN 103759760A
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Abstract
The invention provides a testing method and a testing device. The testing method comprises the step of receiving an applying request sent by automatic testing equipment (ATE), wherein the applying request is used for applying for an instrument; the step of acquiring the information of the available instrument and establishing connection between the ATE and the instrument; the step of transmitting a testing signal of the instrument to the ATE through an optical fiber to enable the ATE to carry out the test through the instrument. According to the testing method and the testing device, the testing signal, such as a radio-frequency signal, sent by the instrument is transmitted through the optical fiber, the loss of the testing signal in the transmission can be reduced, the testing signal can be transmitted to dozens of kilometers away, and therefore the distance between the instrument and the ATE is lengthened, the instrument can be connected to the ATE at different places, and the sharing scale of the instrument can be greatly increased, and the utilization rate of the instrument can be improved.
Description
Technical field
The present invention relates to measuring technology, relate in particular to a kind of method and apparatus of test.
Background technology
Aborning, generally adopt ATE(Automatic Test Equipment, automated test device) measurand (Unit Under Test, UUT) is tested in enormous quantities.The RF instrumentation adopting while testing due to ATE is very valuable, and the general mode that adopts many ATE to share a RF instrumentation is tested now.Particularly, RF instrumentation is connected with ATE by radio-frequency cable, radio frequency matrix switch.But above-mentioned connected mode can only realize instrument and share between short-range several ATE, RF instrumentation utilization rate is not high.
Summary of the invention
The invention provides a kind of method and apparatus of test, to solve the not high problem of instrument utilization rate in prior art.
First aspect present invention provides a kind of method of test, comprising:
Receive the application request that ATE (automatic test equipment) ATE sends, described application request is used for applying for Instrument use;
Obtain the information of idle instrument, and set up being connected between described ATE and described instrument;
By optical fiber, to described ATE, transmit the test signal of described instrument, so that described ATE is used described instrument to test.
In the possible implementation of the first, according to first aspect, the described test signal of transmitting described instrument to described ATE by optical fiber comprises:
Adopt described optical fiber to transmit to described ATE the test signal that described instrument sends by photoelectric conversion device, described photoelectric conversion device is used for converting electrical signals to light signal or light signal is converted to electric signal.
In the possible implementation of the second, according to first aspect, described foundation comprises being connected between described ATE and described instrument:
Switch matrix optical switch corresponding to described instrument, so that described instrument and described ATE connect, described matrix optical switch is for being connected between control instrument and ATE.
In the third possible implementation, according to first aspect or possible implementation or the possible implementation of the second of the first, also comprise:
Receive use ending message or instrument control information that described ATE sends;
According to described use ending message, disconnect being connected between described ATE and described instrument, or according to described instrument control information, control the duty of described instrument.
In the 4th kind of possible implementation, the implementation possible according to the third, also comprises:
If do not receive the use end that described ATE sends in Preset Time, disconnect being connected between described ATE and described instrument.
Second aspect present invention provides a kind of method of test, comprising:
The test signal that receiving instrument sends;
Described test signal is divided into the sub-test signal of multichannel, and by optical fiber, described sub-test signal is transferred to identical a plurality of ATE (automatic test equipment) ATE, so that each identical ATE is used described instrument to test.
In the possible implementation of the first, according to second aspect, the test signal that described receiving instrument sends comprises:
Receive the test signal that described instrument sends by the first photoelectric conversion device, described the first photoelectric conversion device is used for converting electrical signals to light signal.
In the possible implementation of the second, according to second aspect, describedly by optical fiber, described sub-test signal is offered to identical a plurality of ATE (automatic test equipment) ATE and comprises:
Adopt described optical fiber and by the second photoelectric conversion device, described sub-test signal is sent to a plurality of ATE, described the second photoelectric conversion device is for being converted to electric signal by light signal.
Third aspect present invention provides a kind of device of test, comprising:
The first receiving element, the application request sending for receiving ATE (automatic test equipment) ATE, described application request is used for applying for Instrument use;
Control module, for obtaining the information of idle instrument, and sets up being connected between described ATE and described instrument;
The first transmission unit, for transmitting the test signal of described instrument, so that described ATE is used described instrument to test to described ATE by optical fiber.
In the possible implementation of the first, according to the third aspect, described the first transmission unit specifically for:
Adopt described optical fiber to transmit to described ATE the test signal that described instrument sends by photoelectric conversion device, described photoelectric conversion device is used for converting electrical signals to light signal or light signal is converted to electric signal.
In the possible implementation of the second, according to the third aspect, described control module specifically for:
Switch matrix optical switch corresponding to described instrument, so that described instrument and described ATE connect, described matrix optical switch is for being connected between control instrument and ATE.
In the third possible implementation, according to the third aspect or possible implementation or the possible implementation of the second of the first,
Described the first receiving element also for: receive use ending message or instrument control information that described ATE sends;
Described control module also for: according to described use ending message, disconnect being connected between described ATE and described instrument, or according to described instrument control information, control the duty of described instrument.
In the 4th kind of possible implementation, according to third party, plant possible implementation, described control module also for:
If do not receive the use end that described ATE sends in Preset Time, disconnect being connected between described ATE and described instrument.
Fourth aspect present invention provides a kind of device of test, comprising:
The second receiving element, the test signal of sending for receiving instrument;
The second transmission unit, for described test signal being divided into the sub-test signal of multichannel, and is transferred to identical a plurality of ATE (automatic test equipment) ATE by optical fiber by described sub-test signal, so that each identical ATE is used described instrument to test.
In the possible implementation of the first, according to fourth aspect, described the second receiving element specifically for:
Receive the test signal that described instrument sends by the first photoelectric conversion device, described the first photoelectric conversion device is used for converting electrical signals to light signal.
In the possible implementation of the second, according to fourth aspect, described the second transmission unit specifically for:
Adopt described optical fiber and by the second photoelectric conversion device, described sub-test signal is sent to a plurality of ATE, described the second photoelectric conversion device is for being converted to electric signal by light signal.
As shown from the above technical solution, the method and apparatus of test provided by the invention, by optical fiber, transmit the test signal that instrument sends, for example radiofrequency signal, can reduce the loss of test signal in transmission, makes test signal transmission can reach tens kilometers, so just increased the distance between instrument and ATE, and then make instrument can be connected to different local ATE, and make instrument share scale and significantly promote, be conducive to improve the utilization factor of instrument.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet of method of test according to an embodiment of the invention;
Fig. 2 A is the structural representation of system of test according to another embodiment of the present invention;
Fig. 2 B is the structural representation of photoelectric conversion device according to another embodiment of the present invention;
Fig. 3 is the schematic flow sheet of the method for test according to yet another embodiment of the invention;
Fig. 4 is according to the structural representation of the device of the test of further embodiment of this invention;
Fig. 5 is the structural representation of device of test according to another embodiment of the present invention;
Fig. 6 is according to the structural representation of the device of the test of further embodiment of this invention;
Fig. 7 is the structural representation of device of test according to another embodiment of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
The present embodiment provides a kind of method of test, and the executive agent of the method for this test is the device of test.The device of this test can be integrated in dispatch server, and this dispatch server comprises matrix optical switch and controls the computing machine of this matrix optical switch.This matrix optical switch is for control instrument and ATE(Automatic Test Equipment, ATE (automatic test equipment)) between connection, realize instrument shared, this matrix optical switch can be controlled being connected between many instrument and many ATE.
As shown in Figure 1, for according to the schematic flow sheet of the method for the test of the present embodiment.The method of this test comprises:
Wherein, application request is used for applying for Instrument use.Information interaction between ATE and the device of test can be passed through communication network, and for example Ethernet carries out information interaction, in the present embodiment, does not limit.
The idle instrument of the present embodiment refers to current untapped instrument, i.e. the current instrument of testing that is not connected with ATE.The device of test specifically can know which instrument is in idle condition by the duty of real-time each instrument of detection, also can send the instruction that reports duty to each instrument, according to each instrument feedack, know which instrument is in idle condition, certainly, can also obtain current which instrument in idle condition by recording the historical duty of each instrument.How the device of concrete test obtains the information of idle instrument, in the present embodiment, does not limit.
The device of test couples together certain instrument of free time with the ATE that sends application request, and adopts optical fiber to transmit to ATE the test signal that this instrument sends, so that this ATE is used this instrument to test.
Suppose that instrument is RF instrumentation, its test signal of sending is radiofrequency signal, and this radiofrequency signal belongs to electric signal, like this, can adopt photoelectric conversion device to convert electrical signals to light signal.Particularly, a photoelectric conversion device also can be set between instrument and proving installation for converting electrical signals to light signal.The device of test can connect instrument and ATE by switching matrix optical switch corresponding to instrument, and specifically how test ATE belong to prior art by instrumentation, do not repeat them here.Can imagine, this photoelectric conversion device can be converted to electric signal by light signal equally, to accept ATE by the light signal that returns of device of test, and this light signal is converted to radiofrequency signal offers RF instrumentation.
According to the method for the test of the present embodiment, by optical fiber, transmit the test signal that instrument sends, radiofrequency signal for example, can reduce the loss of test signal in transmission, make test signal transmission can reach tens kilometers, so just increased the distance between instrument and ATE, and then make instrument can be connected to different local ATE, make instrument share scale and significantly promote, be conducive to improve the utilization factor of instrument.
Embodiment bis-
The present embodiment provides a kind of method of test based on embodiment mono-.
The method of the test in the present embodiment also comprises:
Receive use ending message or instrument control information that ATE sends;
According to using ending message to disconnect being connected between ATE and instrument, or according to the duty of instrument control information control instrument.
After work that ATE instrumentation is tested completes, just can to ATE, send and use ending message by optical fiber, to inform that the device of test disconnects being connected between own and instrument, makes instrument again become idle instrument for other ATE.ATE can also send instrument control information, with control instrument, tests accordingly, specifically repeats no more.
Alternatively, the method for the test of the present embodiment also comprises:
If do not receive the use end that ATE sends in Preset Time, disconnect being connected between ATE and instrument.
The Preset Time of the present embodiment can be set according to actual needs, for example, according to ATE, need the maximum duration of instrumentation to determine, can also suitable reserved certain surplus.Concrete example, is 5 minutes if need the maximum duration of instrumentation, can reserve 2 minutes again, and this Preset Time can make within 5 minutes, to add 2 minutes totally 7 minutes.When surpassing 7 minutes, the device of test does not receive the use end that ATE sends yet, disconnects being connected between ATE and instrument.If surpass the device of Preset Time test, do not receive the use end that ATE sends, illustrate that likely this ATE breaks down, the device of test can disconnect being connected between this ATE and instrument by force, with the ATE that avoids breaking down as far as possible, take for a long time the situation of instrument, improve the utilization rate of instrument.
According to the method for the test of the present embodiment, after ATE instrumentation finishes, by the device of testing, disconnect in time being connected between this ATE and instrument, can, so that this instrument becomes idle instrument again for other ATE, greatly improve the utilization rate of instrument.
Embodiment tri-
The present embodiment is enumerated the method that an instantiation illustrates the test of above-described embodiment.It is that RF instrumentation carries out concrete example explanation that the present embodiment adopts instrument.
As shown in Figure 2 A, each RF instrumentation 201 of the present embodiment is connected with photoelectric conversion device 202, each photoelectric conversion device 202 is connected with the device 203 of test respectively, the device 203 of test is connected with each photoelectric conversion device 205 by optical fiber 204, and each photoelectric conversion device 205 is connected with each ATE206 respectively.Every ATE206 connects a measurand 207.Wherein, the number of RF instrumentation is N, and the number of ATE206 is M, and matrix optical switch is N * M array (not shown).Wherein, N and M are the integer that is more than or equal to 1.
Wherein, the inner structure of each photoelectric conversion device 202 and each photoelectric conversion device 205 as shown in Figure 2 B.Photoelectric conversion device 202 comprises attenuator 211, gain amplifier 212 and laser diode 213, and photoelectric conversion device 205 comprises photodiode 214, gain amplifier 215 and attenuator 216.After the electric signal of RF instrumentation 201 enters gain amplifier 212 through the attenuator 211 in photoelectric conversion device 202, then enter laser diode 213 and modulate, become light signal.Light signal enters the device 203 of test, by the device 203 of testing, by optical fiber 204, be sent to photoelectric conversion device 205, light signal is through after photodiode 214 modulation, through gain amplifier 215, put in advance again, then by the voltage-controlled numerical control decay chip portfolio in attenuator 216, decay and be adjusted into electric signal, then export ATE206 to by radiofrequency signal shaping.Wherein, attenuator 216 can be adjustable attenuator, can control flexibly like this gain of the electric signal of output.
It is pointed out that photoelectric conversion device 202 can comprise that electric diode 214, gain amplifier 215 and attenuator 216(are not shown simultaneously) so that light signal is converted to electric signal.In like manner, photoelectric conversion device 205 can comprise that attenuator 211, gain amplifier 212 and laser diode 213(are not shown simultaneously) to convert electrical signals to light signal.
In the present embodiment, the quantity of RF instrumentation 201 can be by the quantity of ATE206, and the ratio decision of time of participating in of the time of a measurand of ATE206 test and RF instrumentation 201.Concrete example, only had for 30% time need to use instrument in the test process of an ATE, instrument and ATE quantity can be configured by 3:10.In practical operation, can set according to actual needs, in the present embodiment, repeat no more.
Particularly, in the present embodiment, a certain ATE206 need to test measurand, the device 203 transmission application requests by communication network (not shown) to test, and this application request is used for applying for that RF instrumentation is used.The application that the device 203 reception ATE206 of test send by communication network is asked, and specifically can comprise the identification information of the ATE206 that sends application request in this application request.The device 203 of test receives after this application request, obtain the information of idle RF instrumentation 201, and by gating matrix photoswitch (not shown), this idle RF instrumentation 201 is coupled together with the ATE206 that sends application request, like this, this ATE206 just can be used 201 pairs of measurands of RF instrumentation to test.Particularly, can to this ATE206, send test massage by optical fiber 204 by RF instrumentation 201.After ATE206 is completed, to the device 203 of test, send and use ending messages, inform test device 203 its be completed.After the device 203 of test receives this use ending message, just disconnect being connected between ATE206 and RF instrumentation 201.
Embodiment tetra-
The present embodiment provides a kind of method of test, and the executive agent of the method for this test is the device of test, and the device of this test comprises optical branching device.
As shown in Figure 3, for according to the schematic flow sheet of the method for the test of the present embodiment.The method of this test comprises:
The instrument of the present embodiment can be RF instrumentation, and test signal can be radiofrequency signal accordingly, does not specifically limit.The test signal that the device of test specifically can send by the first photoelectric conversion device receiving instrument.For example, when instrument is RF instrumentation, the radiofrequency signal that RF instrumentation sends is electric signal, by the first photoelectric conversion device, converts electrical signals to light signal, and sends in the device of test.This first photoelectric conversion device is specifically for converting electrical signals to light signal.The structure of this first photoelectric conversion device is consistent with the photoelectric conversion device 202 in embodiment tri-, does not repeat them here.
Step 302, is divided into the sub-test signal of multichannel by test signal, and by optical fiber, sub-test signal is transferred to identical a plurality of ATE, so that each identical ATE instrumentation is tested.
Particularly, when instrument is RF instrumentation, the device of test is divided into a plurality of radio frequency subsignals by radiofrequency signal, and for example broadcast singal, then offers identical a plurality of ATE by optical fiber by this radio frequency subsignal.More specifically, the device of test adopts optical fiber and by the second photoelectric conversion device, subsignal is sent to a plurality of ATE, and the second photoelectric conversion device is for being converted to electric signal by light signal.The structure of this second photoelectric conversion device is consistent with the photoelectric conversion device 205 in embodiment tri-, does not repeat them here.
In the present embodiment, the test of carrying out due to identical a plurality of ATE is identical, to the demand of instrument, is identical, and therefore, the plurality of identical ATE can adopt this instrument to test simultaneously.Particularly, RF instrumentation output radiofrequency signal is used to a plurality of phase ATE tests, ATE requires identical to the output signal of instrument, signal gain size can be adjusted by the built-in adjustable attenuator of photoelectric conversion device, decay with the different ATE links of adaptation, therefore the plurality of identical ATE can adopt this instrument to test simultaneously, for instance, can carry out radio-frequency sensitivity test for a plurality of identical ATE.
According to the method for the test of the present embodiment, by optical fiber, carry out transmitted test signal, radiofrequency signal for example, can reduce the loss of test signal in transmission, make test signal transmission can reach tens kilometers, so just increased the distance between instrument and ATE, and then make instrument can be connected to different local ATE, make instrument share scale and significantly promote, be conducive to the utilization factor of instrument.And, in the present embodiment, by the test signal that instrument is sent, be divided into the sub-test signal of multichannel, then offer identical ATE, make these identical ATE can use this instrument to test simultaneously, further improved the utilization rate of instrument.
Embodiment five
The present embodiment provides a kind of device of test, for carrying out the method for the test of embodiment mono-to embodiment tri-.The device of this test can be integrated in dispatch server.
As shown in Figure 4, for according to the structural representation of the device of the test of the present embodiment.The device 400 of this test comprises the first receiving element 401, control module 402 and the first transmission unit 403.
Wherein, the application request that the first receiving element 401 sends for receiving ATE, application request is used for applying for Instrument use; Control module 402 is for obtaining the information of idle instrument, and sets up being connected between ATE and instrument; The first transmission unit 403 is for the test signal to ATE transmission instrument by optical fiber, so that ATE instrumentation is tested.
Alternatively, the test signal of the first transmission unit 403 specifically for adopting optical fiber to send by photoelectric conversion device to ATE transmission instrument, photoelectric conversion device is used for converting electrical signals to light signal or light signal is converted to electric signal.
Alternatively, control module 402 is specifically for switching matrix optical switch corresponding to instrument, so that instrument and ATE connect, matrix optical switch is used for being connected between control instrument and ATE.
Particularly, the concrete operation method of the device 400 of the test of the present embodiment is consistent with embodiment mono-, does not repeat them here.
According to the device 400 of the test of the present embodiment, by optical fiber, transmit the test signal that instrument sends, radiofrequency signal for example, can reduce the loss of test signal in transmission, make test signal transmission can reach tens kilometers, so just increased the distance between instrument and ATE, and then make instrument can be connected to different local ATE, make instrument share scale and significantly promote, be conducive to improve the utilization factor of instrument.
Alternatively, the first receiving element 401 in the device 400 of the test of the present embodiment also for: receive use ending message or instrument control information that ATE sends;
Alternatively, control module 402 also for:
If do not receive the use end that ATE sends in Preset Time, disconnect being connected between ATE and instrument.
Consistent with embodiment bis-of its mode of operation, does not repeat them here.
Embodiment six
The present embodiment provides the device of another kind of test, for carrying out the method for the test of embodiment tetra-.
As shown in Figure 5, for according to the structural representation of the device of the test of the present embodiment.The device 500 of this test comprises the second receiving element 501 and the second transmission unit 502.
Wherein, the test signal that the second receiving element 501 sends for receiving instrument; The second transmission unit 502 is for test signal being divided into the sub-test signal of multichannel, and by optical fiber, sub-test signal is transferred to identical a plurality of ATE (automatic test equipment) ATE, so that each identical ATE instrumentation is tested.
Particularly, the test signal that the second receiving element 501 sends by the first photoelectric conversion device specifically for: receiving instrument, the first photoelectric conversion device is used for converting electrical signals to light signal.
The second transmission unit 502 specifically for: adopt optical fiber also by the second photoelectric conversion device, sub-test signal to be sent to a plurality of ATE, the second photoelectric conversion device is for being converted to electric signal by light signal.
The concrete operation method of the device 500 of the test of the present embodiment is consistent with embodiment tetra-, does not repeat them here.
According to the device 500 of the test of the present embodiment, by optical fiber, carry out transmitted test signal, radiofrequency signal for example, can reduce the loss of test signal in transmission, make test signal transmission can reach tens kilometers, so just increased the distance between instrument and ATE, and then make instrument can be connected to different local ATE, make instrument share scale and significantly promote, be conducive to the utilization factor of instrument.And, in the present embodiment, by the test signal that instrument is sent, be divided into the sub-test signal of multichannel, then offer identical ATE, make these identical ATE can use this instrument to test simultaneously, further improved the utilization rate of instrument.
Embodiment seven
The present embodiment provides the device of another kind of test, for carrying out the method for the test of embodiment mono-to embodiment tri-.
As Fig. 6 shows, for according to the structural representation of the device of the test of the present embodiment.The device 600 of this test comprises at least one first processor 601, the first communication bus 602, first memory 603 and at least one the first communication interface 604.
Wherein, the first communication bus 602 is for realizing connection the communication between said modules, and the first communication interface 604 is for being connected with the network equipment and communicating by letter.This bus can be ISA(Industry Standard Architecture, industry standard architecture) bus, PCI(Peripheral Component, peripheral component interconnect) bus or EISA(Extended Industry Standard Architecture, extended industry-standard architecture) bus etc.Bus can be one or more physical circuit, when being many physical circuits, can be divided into address bus, data bus, control bus etc.
Wherein, first memory 603 is for stores executable programs code, and wherein, first processor 601 moves the program corresponding with executable program code by reading the executable program code of storage in first memory 603, for:
Receive the application request that ATE (automatic test equipment) ATE sends, application request is used for applying for Instrument use;
Obtain the information of idle instrument, and set up being connected between ATE and instrument;
Test signal by from optical fiber to ATE transmission instrument, so that ATE instrumentation is tested.
Alternatively, first processor 601 moves the program corresponding with executable program code by reading in first memory 603 executable program code of storage, for by optical fiber during to the test signal of ATE transmission instrument, being specifically:
The test signal that adopts optical fiber to send by photoelectric conversion device to ATE transmission instrument, photoelectric conversion device is used for converting electrical signals to light signal or light signal is converted to electric signal.
Alternatively, first processor 601 moves the program corresponding with executable program code by reading in first memory 603 executable program code of storage, for setting up being connected between ATE and instrument, can be specifically:
Switch matrix optical switch corresponding to instrument, so that instrument and ATE connect, matrix optical switch is used for being connected between control instrument and ATE.
Alternatively, first processor 601 also moves the program corresponding with executable program code by reading the executable program code of storage in first memory 603, for:
Receive use ending message or instrument control information that ATE sends;
According to using ending message to disconnect being connected between ATE and instrument, or according to the duty of instrument control information control instrument.
Alternatively, first processor 601 also moves the program corresponding with executable program code by reading the executable program code of storage in first memory 603, for:
If do not receive the use end that ATE sends in Preset Time, disconnect being connected between ATE and instrument.
According to the device 600 of the test of the present embodiment, by optical fiber, transmit the test signal that instrument sends, radiofrequency signal for example, can reduce the loss of test signal in transmission, make test signal transmission can reach tens kilometers, so just increased the distance between instrument and ATE, and then make instrument can be connected to different local ATE, make instrument share scale and significantly promote, be conducive to improve the utilization factor of instrument.
Embodiment eight
The present embodiment provides the device of another kind of test, for carrying out the method for the test of embodiment mono-to embodiment tri-.
As Fig. 7 shows, for according to the structural representation of the device of the test of the present embodiment.The device 700 of this test comprises at least one second processor 701, second communication bus 702, second memory 703 and at least one second communication interface 704.
Wherein, second communication bus 702 is for realizing connection the communication between said modules, and second communication interface 704 is for being connected with the network equipment and communicating by letter.This bus can be ISA(Industry Standard Architecture, industry standard architecture) bus, PCI(Peripheral Component, peripheral component interconnect) bus or EISA(Extended Industry Standard Architecture, extended industry-standard architecture) bus etc.Bus can be one or more physical circuit, when being many physical circuits, can be divided into address bus, data bus, control bus etc.
Wherein, second memory 703 is for stores executable programs code, and wherein, the second processor 701 moves the program corresponding with executable program code by reading the executable program code of storage in second memory 703, for:
The test signal that receiving instrument sends;
Test signal is divided into the sub-test signal of multichannel, and by optical fiber, sub-test signal is transferred to identical a plurality of ATE (automatic test equipment) ATE, so that each identical ATE instrumentation is tested.
Alternatively, the second processor 701 moves the program corresponding with executable program code by reading the executable program code of storage in second memory 703, and the test signal of sending for receiving instrument, can be specifically:
The test signal that receiving instrument sends by the first photoelectric conversion device, the first photoelectric conversion device is used for converting electrical signals to light signal.
Alternatively, the second processor 701 moves the program corresponding with executable program code by reading the executable program code of storage in second memory 703, for sub-test signal being offered to identical a plurality of ATE (automatic test equipment) ATE by optical fiber, can be specifically:
Adopt optical fiber and by the second photoelectric conversion device, sub-test signal sent to a plurality of ATE, the second photoelectric conversion device is for being converted to electric signal by light signal
According to the device 700 of the test of the present embodiment, by optical fiber, carry out transmitted test signal, radiofrequency signal for example, can reduce the loss of test signal in transmission, make test signal transmission can reach tens kilometers, so just increased the distance between instrument and ATE, and then make instrument can be connected to different local ATE, make instrument share scale and significantly promote, be conducive to the utilization factor of instrument.And, in the present embodiment, by the test signal that instrument is sent, be divided into the sub-test signal of multichannel, then offer identical ATE, make these identical ATE can use this instrument to test simultaneously, further improved the utilization rate of instrument.
The present invention also provides a kind of system of test, comprises the device of the test that embodiment tetra-describes, and also comprises: instrument, photoelectric conversion device and ATE.
The present invention also provides the system of another test, comprises the device of the test that embodiment five describes, and also comprises: instrument, the first photoelectric conversion device, the second photoelectric conversion device and ATE.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of programmed instruction, aforesaid program can be stored in a computer read/write memory medium, this program, when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (16)
1. a method for test, is characterized in that, comprising:
Receive the application request that ATE (automatic test equipment) ATE sends, described application request is used for applying for Instrument use;
Obtain the information of idle instrument, and set up being connected between described ATE and described instrument;
By optical fiber, to described ATE, transmit the test signal of described instrument, so that described ATE is used described instrument to test.
2. the method for test according to claim 1, is characterized in that, the described test signal of transmitting described instrument to described ATE by optical fiber comprises:
Adopt described optical fiber to transmit to described ATE the test signal that described instrument sends by photoelectric conversion device, described photoelectric conversion device is used for converting electrical signals to light signal or light signal is converted to electric signal.
3. the method for test according to claim 1, is characterized in that, described foundation comprises being connected between described ATE and described instrument:
Switch matrix optical switch corresponding to described instrument, so that described instrument and described ATE connect, described matrix optical switch is for being connected between control instrument and ATE.
4. according to the method for the test described in any one in claim 1～3, it is characterized in that, also comprise:
Receive use ending message or instrument control information that described ATE sends;
According to described use ending message, disconnect being connected between described ATE and described instrument, or according to described instrument control information, control the duty of described instrument.
5. the method for test according to claim 4, is characterized in that, also comprises:
If do not receive the use end that described ATE sends in Preset Time, disconnect being connected between described ATE and described instrument.
6. a method for test, is characterized in that, comprising:
The test signal that receiving instrument sends;
Described test signal is divided into the sub-test signal of multichannel, and by optical fiber, described sub-test signal is transferred to identical a plurality of ATE (automatic test equipment) ATE, so that each identical ATE is used described instrument to test.
7. the method for test according to claim 6, is characterized in that, the test signal that described receiving instrument sends comprises:
Receive the test signal that described instrument sends by the first photoelectric conversion device, described the first photoelectric conversion device is used for converting electrical signals to light signal.
8. the method for test according to claim 7, is characterized in that, describedly by optical fiber, described sub-test signal is offered to identical a plurality of ATE (automatic test equipment) ATE and comprises:
Adopt described optical fiber and by the second photoelectric conversion device, described sub-test signal is sent to a plurality of ATE, described the second photoelectric conversion device is for being converted to electric signal by light signal.
9. a device for test, is characterized in that, comprising:
The first receiving element, the application request sending for receiving ATE (automatic test equipment) ATE, described application request is used for applying for Instrument use;
Control module, for obtaining the information of idle instrument, and sets up being connected between described ATE and described instrument;
The first transmission unit, for transmitting the test signal of described instrument, so that described ATE is used described instrument to test to described ATE by optical fiber.
10. the device of test according to claim 9, is characterized in that, described the first transmission unit specifically for:
Adopt described optical fiber to transmit to described ATE the test signal that described instrument sends by photoelectric conversion device, described photoelectric conversion device is used for converting electrical signals to light signal or light signal is converted to electric signal.
The device of 11. tests according to claim 9, is characterized in that, described control module specifically for:
Switch matrix optical switch corresponding to described instrument, so that described instrument and described ATE connect, described matrix optical switch is for being connected between control instrument and ATE.
12. according to the device of the test described in any one in claim 9～11, it is characterized in that,
Described the first receiving element also for: receive use ending message or instrument control information that described ATE sends;
Described control module also for: according to described use ending message, disconnect being connected between described ATE and described instrument, or according to described instrument control information, control the duty of described instrument.
The device of 13. tests according to claim 12, is characterized in that, described control module also for:
If do not receive the use end that described ATE sends in Preset Time, disconnect being connected between described ATE and described instrument.
The device of 14. 1 kinds of tests, is characterized in that, comprising:
The second receiving element, the test signal of sending for receiving instrument;
The second transmission unit, for described test signal being divided into the sub-test signal of multichannel, and is transferred to identical a plurality of ATE (automatic test equipment) ATE by optical fiber by described sub-test signal, so that each identical ATE is used described instrument to test.
The device of 15. tests according to claim 14, is characterized in that, described the second receiving element specifically for:
Receive the test signal that described instrument sends by the first photoelectric conversion device, described the first photoelectric conversion device is used for converting electrical signals to light signal.
The device of 16. tests according to claim 14, is characterized in that, described the second transmission unit specifically for:
Adopt described optical fiber and by the second photoelectric conversion device, described sub-test signal is sent to a plurality of ATE, described the second photoelectric conversion device is for being converted to electric signal by light signal.
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| CN103759760B (en) | 2016-06-22 |
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