CN102164012A - Automatic debugging system for radio-frequency signal products - Google Patents
Automatic debugging system for radio-frequency signal products Download PDFInfo
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- CN102164012A CN102164012A CN2011100824898A CN201110082489A CN102164012A CN 102164012 A CN102164012 A CN 102164012A CN 2011100824898 A CN2011100824898 A CN 2011100824898A CN 201110082489 A CN201110082489 A CN 201110082489A CN 102164012 A CN102164012 A CN 102164012A
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Abstract
The invention discloses an automatic debugging system for radio-frequency signal products, in which a product to be tested, a vector network analyzer and a computer are arranged, wherein the inside of the computer is provided with a preset table and debugging packets corresponding to each channel, the preset table is used for presetting the frequency point, bandwidth and OOB (out of band) signal curbing and signal gain factor indexes of each corresponding frequency channel within the radio-frequency signal range, and the frequency points in the preset table correspond to the frequency points of all frequency channels to be tested one by one; each channel has n debugging packets, each debugging packet contains groups of debugging control signals which are in a channel and correspond to each frequency channel, each group of debugging control signals refers to four analog voltages, and the four analog voltages are respectively used for debugging the frequency point, bandwidth and OOB (out of band) signal curbing and signal gain factor indexes of the debugging channel; and the computer is connected with the product to be tested by a communication bus, and connected with the vector network analyzer by an LAN line.
Description
Technical field
The invention belongs to radiofrequency signal treatment product debugging control field, be specifically related to a kind of radiofrequency signal product automatic debugging system.
Background technology
Present production field at global radio frequency series products, radiofrequency signal was handled series products (such as variable band-pass filter herein) during how efficiently and effectively control was produced in batches, reach good debug results, for example performance is up to standard at high proportion, good product consistency etc., is international headache always.Comprise the associated production processing class enterprise of home and abroad and the method that institute all adopts manual debugging at present: promptly performance index are set at product, require the processing workman to utilize the preliminary test products performance of vector network analyzer then, make converted products reach requirement by methods such as manual adjustment circuit or replacing interlock circuit Resistor-Capacitor Units the part that does not meet index request.This method has following shortcoming:
(1) wastes time and energy; Manual debugging needs a lot of skilled debugging workmans, and debug time length depends on workman's commissioning experience even fortune;
(2) the low and defective products rate height of production efficiency: the electronic element value of producing all has trueness error both at home and abroad, for radiofrequency signal, small trueness error usually causes very large poor performance, difficulty and duration that serious aggravation debugging and fault are got rid of.In actual conditions, many times product manual debugging method can't reach standard at short notice at all, and producer haves no alternative but abandon debugging in order to improve output quantity simultaneously, thereby causes very high product fraction defective.
(3) the properties of product consistency is poor: different commissioning staffs can not be just the same at the adjustment method of the judgement of problem and selection, causes uniformity in product performance relatively poor.
(4) cost height: the debugging worker requires height, number many, and components accuracy requires high, causes purchase cost high.
Summary of the invention
The present invention seeks to overcome the defective of prior art, a kind of radiofrequency signal product automatic debugging system is provided, this system debug be that the input radio frequency signal frequency range is the radiofrequency signal treatment product of 470-862MHz, the channel signals that makes it to export meets the technical requirements.
The technical scheme that realizes the object of the invention is:
A kind of radiofrequency signal product automatic debugging system is provided with product to be measured, vector network analyzer and computer in the system;
Described product to be measured is made up of some variable band-pass filters, the corresponding passage of each variable band-pass filter, and each passage is grouped at least 1 with the radiofrequency signal of 470-862MHz, at the most 49 channels; Described variable band-pass filter, the tune-up data bag that is used to receive, according to the filtering parameter in the tune-up data bag, debug the filtering amplifying signal of self automatically, make frequency, channel bandwidth, the inhibition of channel bandwidth external signal and the gain of the output of debugging channel meet preset requirement;
Described computer, its inside is provided with default table and corresponding to the tune-up data bag of each passage, frequency, bandwidth, out of band signal that described default table is used for each corresponding channel in the default described radiofrequency signal scope suppress and signal gain key element index, and the frequency in the default table has one-to-one relationship with the frequency of all treating measured channel; Each passage n tune-up data bag arranged, comprise in each tune-up data bag in the passage, corresponding to the signal of debugging control in groups of each channel, every group of debugging control signal is 4 aanalogvoltages, and 4 aanalogvoltages are respectively applied for frequency, bandwidth, out of band signal inhibition and the signal gain key element parameter of debugging channel;
Described vector network analyzer, the radiofrequency signal performance index that are used to test variable band-pass filter send test data to computer by the communications component that carries, and described performance testing index comprises: frequency, bandwidth, out of band signal suppress and signal gain;
Described variable band-pass filter, the tune-up data bag that is used to receive, according to the filtering parameter in the tune-up data bag, debug the filtering amplifying signal of self automatically, make frequency, channel bandwidth, the inhibition of channel bandwidth external signal and the gain of the output of debugging channel meet preset requirement.The 470-862MHz radiofrequency signal of importing in the variable band-pass filter is grouped into 21 ~ 69 maximum 49 channels, each channel can be 8MHz the multiple bandwidth (such as 8MHz, 16MHz, 24MHz, 32MHz ...).
Described computer is connected with described product to be measured by communication bus, is connected with described vector network analyzer by the LAN line, and described vector network analyzer is connected with whole passages of described product to be measured by the p-wire that carries.
As a further improvement on the present invention, be provided with in the described variable band-pass filter:
The numeral adjustable potentiometer, each digital adjustable potentiometer is according to the data bit in the command signal in the tune-up data bag, carry out digital-to-analogue conversion, with the clock signal is the work period, and the extremely corresponding analog circuitry system that possesses bandpass filter function of four groups of analog voltage signals of line output, corresponding center frequency point, bandwidth, out of band signals suppress to require and the signal gain requirements four groups of analog voltage signals respectively; With
The analog circuitry system that possesses bandpass filter function, under digital adjustable potentiometer control, according to the analog voltage signal of receiving, the signal center's frequency, signal bandwidth, the band that obtain customer requirements suppress outward and the signal gain demand, wide frequency RF signal to input is done bandpass filtering after accurately intercepting center frequency point, power amplifying part in the analog circuitry system is implemented to amplify to signal simultaneously, improves its signal gain to requiring level, and output meets the radiofrequency signal of preset requirement.
As a further improvement on the present invention, described computer is carried out the following step:
Step 1 is set up communicating by letter between computer and vector network analyzer, the product to be measured;
Step 2 is read in this radio frequency signal channels that need debug and channel, and the frequency of default corresponding each channel of tabling look-up, bandwidth, out of band signal suppress and the signal gain index;
Step 3 instruction vector network analyzer carries out the channel performance index test, accepts the testing performance index data of vector network analyzer feedback, judges whether test data meets the index request of default table; As meet index request, execution in step 4, as do not meet index request, execution in step 5;
Step 4 is read in radio frequency signal channels and the channel that needs debugging next time, frequency, bandwidth, the out of band signal of presetting corresponding each channel of tabling look-up suppresses and the signal gain index, execution in step 3 is finished until all channel debuggings of product to be measured, and computer shows the debugging successful information;
Step 5 is selected one group of tune-up data bag that should passage, first debugging in this group packet is wrapped be sent to product to be measured;
Step 6 instruction vector network analyzer carries out the channel performance index test to the product to be measured after debugging, and judges whether test data meets the index request of default table; As meet index request, execution in step 4, as do not meet index request, execution in step 7, n packet in this group packet all sends and finishes, and computer shows debugging failed information;
The next one debugging bag that step 7 will be organized in the packet is sent to product to be measured, and execution in step 6 again.
The present invention is connected by computer and variable band-pass filter, vector network analyzer, and the automatic adjusting of variable band-pass filter, realizes that the radiofrequency signal product debugs automatically.Beneficial effect of the present invention is:
(1) the present invention has improved production efficiency of products effectively.Under automatic debugging mode, computer can High-Speed Automatic debugging debug products until success, only need an employee on duty to change product and record data can be finished work 24 hours every days.
(2) rate of output is controlled the unit interval.The debugging quantity that the machine units time can finish is fixed.
(3) product percent of pass height.The present invention uses method of exhaustion debugging by sending the debugging bag successively, and it is qualified that most products can be debugged in the set time.
(4) use fixedly debugging routine, uniformity in product performance is good.
(5) cost reduces.The required precision of the electronic devices and components that use reduces, and has reduced purchase cost.The debugging number of workers reduces, and has reduced the personnel selection cost.
Description of drawings
Fig. 1 is the schematic diagram that communicates to connect of computer in the embodiment of the invention 1, product to be measured and vector network analyzer;
Fig. 2 is the structural representation of the embodiment of the invention 1 variable band-pass filter;
Fig. 3-the 1st, the embodiment of the invention 2 radiofrequency signal product automatic debugging systems are debugged first's schematic flow sheet automatically;
Fig. 3-the 2nd, the embodiment of the invention 2 radiofrequency signal product automatic debugging systems are debugged the second portion schematic flow sheet automatically.
Embodiment
Be described further below in conjunction with accompanying drawing and example.
As shown in Figure 1, 2, a kind of radiofrequency signal product automatic debugging system, this system debug be that output radio frequency signal frequency scope is the radiofrequency signal treatment product of 470-862MHz.Use high-speed Ethernet wire LAN to connect computer (being called for short " PC " down) and vector network analyzer, use RS232 high speed Serial Port Line to connect PC and product to be measured.Present embodiment selects to carry the Agilent(Agilent of communication suite) brand and HP(Hewlett-Packard brand) vector network analyzer, link to each other with PC by LAN, application program is set up data and is connected among use communication suite and the PC.Connect product to be measured and PC by the RS232 line, set up data with application program among the PC and be connected.
A kind of radiofrequency signal product automatic debugging system specifically comprises product to be measured, vector network analyzer and computer;
Product to be measured is made up of some variable band-pass filters, the corresponding passage of each variable band-pass filter, each passage is grouped at least 1 with the radiofrequency signal of 470-862MHz, 49 channels at the most, each channel can be the multiple bandwidth of 8MHz (such as 8MHz, 16MHz, 24MHz, 32MHz ...).Variable band-pass filter, the tune-up data bag that is used to receive, according to the filtering parameter in the tune-up data bag, debug the filtering amplifying signal of self automatically, make frequency, channel bandwidth, the inhibition of channel bandwidth external signal and the gain of the output of debugging channel meet preset requirement.The 470-862MHz radiofrequency signal of importing in the variable band-pass filter is grouped into 21 ~ 69 maximum 49 channels, each channel can be 8MHz the multiple bandwidth (such as 8MHz, 16MHz, 24MHz, 32MHz ...).
PC inside is provided with default table and corresponding to the tune-up data bag of each passage, frequency, bandwidth, out of band signal that described default table is used for each corresponding channel in the default described radiofrequency signal scope suppress and signal gain key element index, and the frequency in the default table has one-to-one relationship with the frequency of all treating measured channel; Each passage n tune-up data bag arranged, comprise in each tune-up data bag in the passage, corresponding to the signal of debugging control in groups of each channel, every group of debugging control signal is 4 aanalogvoltages, and 4 aanalogvoltages are respectively applied for frequency, bandwidth, out of band signal inhibition and the signal gain key element parameter of debugging channel;
Vector network analyzer, the radiofrequency signal performance index that are used to test variable band-pass filter send test data to computer by the communications component that carries, and described performance testing index comprises: frequency, bandwidth, out of band signal suppress and signal gain;
PC is connected with described product to be measured by communication bus, is connected with described vector network analyzer by the LAN line, and described vector network analyzer is connected with whole passages of described product to be measured by the p-wire that carries.
As shown in Figure 2, be variable band-pass filter in the frame of broken lines of Fig. 2, be provided with in the variable band-pass filter:
The numeral adjustable potentiometer, each digital adjustable potentiometer is according to the data bit in the command signal in the tune-up data bag, carry out digital-to-analogue conversion, with the clock signal is the work period, and the extremely corresponding analog circuitry system that possesses bandpass filter function of four groups of analog voltage signals of line output, corresponding center frequency point, bandwidth, out of band signals suppress to require and the signal gain requirements four groups of analog voltage signals respectively;
The analog circuitry system that possesses bandpass filter function, under digital adjustable potentiometer control, according to the analog voltage signal of receiving, the signal center's frequency, signal bandwidth, the band that obtain customer requirements suppress outward and the signal gain demand, wide frequency RF signal to input is done bandpass filtering after accurately intercepting center frequency point, power amplifying part in the analog circuitry system is implemented to amplify to signal simultaneously, improves its signal gain to requiring level, and output meets the radiofrequency signal of preset requirement.
Embodiment 2
Present embodiment is the automatically debug method of the radiofrequency signal product automatic debugging system among the embodiment 1.
Shown in Fig. 3-1 and 3-2, PC carries out the following step:
Step 1 is set up communicating by letter between computer and vector network analyzer, the product to be measured;
Step 2 is read in this radio frequency signal channels that need debug and channel, and the frequency of default corresponding each channel of tabling look-up, bandwidth, out of band signal suppress and the signal gain index;
Step 3 instruction vector network analyzer carries out the channel performance index test, accepts the testing performance index data of vector network analyzer feedback, judges whether test data meets the index request of default table; As meet index request, execution in step 4, as do not meet index request, execution in step 5;
Step 4 is read in radio frequency signal channels and the channel that needs debugging next time, frequency, bandwidth, the out of band signal of presetting corresponding each channel of tabling look-up suppresses and the signal gain index, execution in step 3 is finished until all channel debuggings of product to be measured, and computer shows the debugging successful information;
Step 5 is selected one group of tune-up data bag that should passage, first debugging in this group packet is wrapped be sent to product to be measured;
Step 6 instruction vector network analyzer carries out the channel performance index test to the product to be measured after debugging, and judges whether test data meets the index request of default table; As meet index request, execution in step 4, as do not meet index request, execution in step 7, n packet in this group packet all sends and finishes, and computer shows debugging failed information;
The next one debugging bag that step 7 will be organized in the packet is sent to product to be measured, and execution in step 6 again.
PC is provided with passage and the channel that variable band-pass filter need be debugged automatically, tables look-up and reads in the debugging index parameter of corresponding channel preset.Vector network analyzer is tested according to the passage and the channel of the debugging of variable band-pass filter needs, and test result data is issued PC.PC read test data are also made comparisons with default debugging index, judge whether to meet index request.As meet, on man-machine interface, returning test passes information, current channel debugging finishes and shows successful information, preserves the current data setting.Otherwise PC is according to the tune-up data bag of correspondence, and beginning sends tune-up data one by one to variable band-pass filter.This flow process that circulates data transmission in the tune-up data bag finishes (promptly arrive the debugging number of times upper limit, show debugging failed information) or the test result of returning meets the requirements (demonstration debugging successful information is also preserved the setting of current variable band-pass filter data).PC will finish whole channel debuggings of variable band-pass filter one by one according to above-mentioned flow process, and the tester can obtain final debug results according to the display message of man-machine interface.
Claims (3)
1. a radiofrequency signal product automatic debugging system is provided with product to be measured, vector network analyzer and computer in the system;
Described product to be measured is made up of some variable band-pass filters, the corresponding passage of each variable band-pass filter, and each passage is at least 1 with 470-862MHz wide frequency RF signal packets, at the most 49 channels; Described variable band-pass filter, be used to receive the tune-up data bag, according to the filtering voltage Control Parameter in the tune-up data bag, debug the filtering amplification performance of self automatically, make frequency, channel bandwidth, the inhibition of channel bandwidth external signal and the gain of the output of debugging channel meet preset requirement;
Described computer, its inside is provided with default table and corresponding to the tune-up data bag of each passage, frequency, bandwidth, out of band signal that described default table is used for each corresponding channel in the default described radiofrequency signal scope suppress and signal gain key element index, and the frequency in the default table has one-to-one relationship with the frequency of all treating measured channel; Each passage n tune-up data bag arranged, comprise in each tune-up data bag in the passage, corresponding to the signal of debugging control in groups of each channel, every group of debugging control signal is 4 aanalogvoltages, and 4 aanalogvoltages are respectively applied for frequency, bandwidth, out of band signal inhibition and the signal gain key element parameter of debugging channel;
Described vector network analyzer, the radiofrequency signal performance index that are used to test variable band-pass filter send test data to computer by the communications component that carries, and described performance testing index comprises: frequency, bandwidth, out of band signal suppress and signal gain;
Described computer is connected with described product to be measured by communication bus, is connected with described vector network analyzer by the LAN line, and described vector network analyzer is connected with whole passages of described product to be measured by the p-wire that carries.
2. radiofrequency signal product automatic debugging system according to claim 1 is characterized in that, is provided with in the described variable band-pass filter:
The numeral adjustable potentiometer, each digital adjustable potentiometer is according to the data bit in the command signal in the tune-up data bag, carry out digital-to-analogue conversion, with the clock signal is the work period, and the extremely corresponding analog circuitry system that possesses bandpass filter function of four groups of analog voltage signals of line output, corresponding center frequency point, bandwidth, out of band signals suppress to require and the signal gain requirements four groups of analog voltage signals respectively; With
The analog circuitry system that possesses bandpass filter function, under digital adjustable potentiometer control, according to the analog voltage signal of receiving, the signal center's frequency, signal bandwidth, the band that obtain customer requirements suppress outward and the signal gain demand, wide frequency RF signal to input is done bandpass filtering after accurately intercepting center frequency point, power amplifying part in the analog circuitry system is implemented to amplify to signal simultaneously, improves its signal gain to requiring level, and output meets the radiofrequency signal of preset requirement.
3. radiofrequency signal product automatic debugging system according to claim 1 is characterized in that, described computer is carried out the following step:
Step 1 is set up communicating by letter between computer and vector network analyzer, the product to be measured;
Step 2 is read in this radio frequency signal channels that need debug and channel, and the frequency of default corresponding each channel of tabling look-up, bandwidth, out of band signal suppress and the signal gain index;
Step 3 instruction vector network analyzer carries out the channel performance index test, accepts the testing performance index data of vector network analyzer feedback, judges whether test data meets the index request of default table; As meet index request, execution in step 4, as do not meet index request, execution in step 5;
Step 4 is read in radio frequency signal channels and the channel that needs debugging next time, frequency, bandwidth, the out of band signal of presetting corresponding each channel of tabling look-up suppresses and the signal gain index, execution in step 3 is finished until all channel debuggings of product to be measured, and computer shows the debugging successful information;
Step 5 is selected one group of tune-up data bag that should passage, first debugging in this group packet is wrapped be sent to product to be measured;
Step 6 instruction vector network analyzer carries out the channel performance index test to the product to be measured after debugging, and judges whether test data meets the index request of default table; As meet index request, execution in step 4, as do not meet index request, execution in step 7, n packet in this group packet all sends and finishes, and computer shows debugging failed information;
The next one debugging bag that step 7 will be organized in the packet is sent to product to be measured, and execution in step 6 again.
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| CN103188000A (en) * | 2011-12-31 | 2013-07-03 | 国民技术股份有限公司 | Communication system and communication method |
| CN103812580A (en) * | 2012-11-09 | 2014-05-21 | 亚旭电脑股份有限公司 | Communication device signal detection method and signal detection system |
| CN107132471A (en) * | 2017-06-05 | 2017-09-05 | 深圳市威富通讯技术有限公司 | A kind of method and apparatus for debugging microwave device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102497236A (en) * | 2011-11-16 | 2012-06-13 | 中国电子科技集团公司第四十一研究所 | Method for utilizing network analyzer to localize and track dynamic signal and method thereof |
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| CN103188000A (en) * | 2011-12-31 | 2013-07-03 | 国民技术股份有限公司 | Communication system and communication method |
| CN103188000B (en) * | 2011-12-31 | 2017-05-17 | 国民技术股份有限公司 | Communication system and communication method |
| CN103812580A (en) * | 2012-11-09 | 2014-05-21 | 亚旭电脑股份有限公司 | Communication device signal detection method and signal detection system |
| CN107132471A (en) * | 2017-06-05 | 2017-09-05 | 深圳市威富通讯技术有限公司 | A kind of method and apparatus for debugging microwave device |
| CN107132471B (en) * | 2017-06-05 | 2020-02-28 | 深圳市威富通讯技术有限公司 | Method and equipment for debugging microwave device |
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