CN106230523B - A kind of OOK electrical properties modem automatization test system and method - Google Patents
A kind of OOK electrical properties modem automatization test system and method Download PDFInfo
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- CN106230523B CN106230523B CN201610835863.XA CN201610835863A CN106230523B CN 106230523 B CN106230523 B CN 106230523B CN 201610835863 A CN201610835863 A CN 201610835863A CN 106230523 B CN106230523 B CN 106230523B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Telephonic Communication Services (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention discloses a kind of OOK electrical properties modulator-demodulator testing system and method, including：For fixing modem to be measured, and control the test fixture of modem OOK electric performance tests；Automatic test shelves and manual test shelves are provided on test fixture, when selecting automatic test shelves, test fixture is electrically connected by USB interface with computer, and when selecting manual test shelves, USB connections connection DC power supply charges.A kind of OOK electrical properties modem automatization test system and method for the present invention, communicate by using USB interface with test platform, and 485 interfaces or the transmitting of 232 Interface Controller OOK modems and reception are passed through.Nondestructive to modem transmission power using manually and automatically both of which, demodulator threshold level is tested, that is, be ensure that the quality of production, also ensured production efficiency.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of OOK electrical properties modem automatization test systems
And method.
Background technology
With 3G, the arrival in 4G epoch, optimizing and revising for cordless communication network becomes more and more frequently, and electricity adjusts equipment having
The interference to adjacent area can also be reduced while effect enhancing MPS process, has real-time good, and precision is high, and adjusting range is wide, adjusts
The advantages that facilitating.
Antenna feeder end electricity tune equipment is communicated by OOK signals with base station end, to base station end and antenna feeder end in 3GPP agreements
The transmission power of OOK modulators is defined as 3dBm ± 2dBm, and OOK demodulators effectively receive power regulations and are>- 12dBm connects in vain
Receiving power regulations is<-18dBm.But it, can not be independent since the OOK modulation-demodulation circuits are an integrated module in systems
The index is tested.Traditionally test the circuit module need to from system wire jumper, certain destruction can be generated to product, no
It is suitble to batch testing, it is difficult to ensure the quality of production and efficiency.
Invention content
Shortcoming present in view of the above technology, present invention offer can be tested circuit from outside, and suitable
Close a kind of OOK electrical properties modem automatization test system and method for batch testing.
In order to achieve the above object, the present invention discloses a kind of OOK electrical properties modulator-demodulator testing system, including：For
Fixed modem to be measured, and control the test fixture of modem OOK electric performance tests；It is set on the test fixture
Automatic test shelves and manual test shelves are equipped with, when selecting automatic test shelves, the test fixture is electrically connected by USB interface and computer
It connects, when selecting manual test shelves, the USB interface connection power supply charges；Test is also associated on the modem
Circuit, the test circuit are electrically connected with DC power supply, and the DC power supply provides electric energy to test circuit, the test circuit
On be also associated with signal source for providing test electric signal to modem, receive power be modulated demodulator
Threshold test, and test result is shown by LED light, the output frequency of the signal source is 2.176Mhz；The test circuit
On be also associated with power meter for measuring modem size of power when carrying out transmission power test；The test work
It loads onto including main control module, burning module, manual control module, USB conversion modules and interface modular converter；The burning mould
Block, manual control module and interface modular converter are electrically connected with main control module respectively, the USB conversion modules and interface conversion mould
Block is electrically connected, and is also associated with control button on the main control module, the control button for manually select automatic test shelves or
Person's manual test shelves and selection test data are sent or test data receives, when the automatic test shelves of selection, manual test
Module disconnects automatically, is that manual test module connects automatically when selecting manual test shelves, when selecting test data to send, into
Row transmission power is tested, and when selecting test data to receive, carries out receiving power threshold test.
Wherein, the main control module uses LPC1114 chips, and the USB conversion modules use FT232RL chips, described
Interface modular converter includes RS485 conversion modules and RS232 conversion modules, and the RS485 conversion modules use MAX3082ESA
Chip, the RS232 conversion modules are passed through using MAX232 chips after the FT232RL chips are connect with MAX232 chips
MAX232 chips are connect with LPC1114 chips to be communicated or after FT232RL chips connect with MAX3082ESA chips, is led to
It crosses FT232RL chips and is connect with LPC1114 chips and communicated, the LPC1114 chips are electrically connected with manual control module to be tapped into
The automatic test shelves of row and manual test shelves, test data is sent to be selected with test data reception.
Invention additionally discloses a kind of methods of OOK electrical properties modem trainup, include the following steps：
When selecting manual, manual control module controls test fixture and carries out OOK electric performance tests to modem,
And the modem is charged by the way that USB interface to be connect with power supply；When receive power threshold test, pass through
Output frequency is that the signal source of 2.176MHZ sends out electric signal by test circuit to modem, and the test fixture passes through
LED shows test result；When carrying out transmission power test, by measuring the modulatedemodulate with power meter connecting test circuit
Adjust the size of the power emitted on device；The test fixture tests modem according to test parameter；The test
The instruction repertorie that tooling is tested is transmitted to by burning module in main control module, when selecting manual test by control button
When shelves, test job can be carried out by being manually entered relevant operation instruction；It is sent when by control button selection test data
When, transmission power test is carried out, when selecting test data to receive, carries out receiving power threshold test；
When selecting automatic transmission, computer is connect by USB interface with the modem, and transmits test parameter, institute
Test fixture is stated to test modem according to test parameter；The instruction repertorie that the test fixture is tested passes through
Burning module is transmitted in main control module, when testing shelves by the way that the control button selection on main control module is automatic, main control module
The data for the computer end being attached thereto are read by USB conversion modules according to the instruction repertorie of burning, and execute test job.
Wherein, USB moduluss of conversion FT232RL chips in the block are the same as mistake and RS485 moduluss of conversion MAX3082ESA chips in the block
Connection is attached and communicates with RS232 moduluss of conversion MAX232 chips in the block with the LPC1114 chips of main control module, together
When, by connecting a manual control module in LPC1114 chips, to testing shelves and manual test shelves, test data hair automatically
It send and is selected with test data reception.
The beneficial effects of the invention are as follows：
Compared with prior art, a kind of OOK electrical properties modem automatization test system of the invention and method,
It is communicated with test platform by using USB interface, emits and connect by 485 interfaces or 232 Interface Controller OOK modems
It receives.Nondestructive to modulator power using manually and automatically both of which, demodulator threshold level is tested, that is, is ensured
The quality of production, also ensures production efficiency.
Description of the drawings
Fig. 1 is the automatic test structure schematic diagram of the embodiment of the present invention；
Fig. 2 is manual test structural schematic diagram of the embodiment of the present invention；
Fig. 3 is test fixture internal structure block diagram of the embodiment of the present invention；
Fig. 4 is the specific connection figure of test fixture of the embodiment of the present invention；
Fig. 5 is control button structure chart of the embodiment of the present invention；
Fig. 6 is that the embodiment of the present invention receives power threshold test structure schematic diagram；
Fig. 7 is transmission power test structure schematic diagram of the embodiment of the present invention.
Main element explanation：
1, modem 2, test fixture
3, computer 4, upright power supply
5, test circuit 7, signal source
8, power meter 21, main control module
22, burning module 23, manual control module
24, interface modular converter 25, USB conversion modules
26, control button 261, test button automatically
262, manual test button 263, test data send button
264, test data receives button.
Specific implementation mode
In order to more clearly state the present invention, the present invention is further described below in conjunction with the accompanying drawings.
Refering to fig. 1, Fig. 2, the present invention disclose a kind of OOK electrical properties modulator-demodulator testing system, including：It is waited for for fixation
The modem 1 of survey, and control the test fixture 2 of modem 1OOK electric performance tests；It is provided on test fixture 2 certainly
Dynamic test shelves and manual test shelves, when selecting automatic test shelves, test fixture is electrically connected by USB interface with computer 3, selects hand
When dynamic test shelves, USB connections connection DC power supply 4 charges.
A kind of OOK electrical properties modem automatization test system of the present invention, by using USB interface and test
Platform communication is emitted and is received by 485 interfaces or 232 Interface Controller OOK modems.Use manually and automatically two kinds
Pattern is nondestructive to modem transmission power, and demodulator threshold level is tested, that is, ensure that the quality of production,
It ensure that production efficiency.
Referring to Fig. 3, in the present embodiment, including main control module 21 on test fixture 1, burning module 22, manually controlling
Module 23, USB conversion modules 25 and interface modular converter 24；Burning module 22, manual control module 13 and interface modular converter
24 are electrically connected with main control module 21 respectively, key data processing and control element of the main control module 21 as the present invention, and control is whole
The operation of a test system further regards to Fig. 4 in the present embodiment, and main control module uses LPC1114 chips, P3.1 feet
It is connect with the input terminal of burning module 12, the P3.0 feet of LPC1114 chips are connect with the output end of burning module 22, burning module
22 input terminal is divided into output end do not connect with two divider resistances R9 and R7 after be electrically connected with USB conversion modules 25, wherein
Resistance R9 and R7 resistance value are all 10K, and the USB interface connected by the USB conversion modules 25 can join the related of control test
In the burned chip to LPC1114 of number, to be tested, and, by the USB interface, the upgrading easily modified with system,
Performance is set more to optimize.During the test, the first LED light R11 being connect with P3.1 feet and P3.0 feet and can also be passed through
Two LED light R8 are indicated, for example during programming, the first LED light R11 does not stop to flicker, and the 2nd LED after programming success
Lamp R8 greenings, when programming mistake, the second LED light R8 reddens warning.
Referring to Fig. 5, in the present embodiment, the vdd terminal of manual control module 13 and the LPC1114 chips of main control module and
The ends P0.0 are electrically connected, and the ends P0.0 are also reset terminal simultaneously, and manual control module 23 is also connect with control button 26, control button 26
Button 263 and test data reception button 264 are sent including testing button 261, manual test button 262, test data automatically,
When the automatic test button 261 of selection, the reset of manual control module 23 does not work, all tests instruct by with test fixture 2
The computer 3 of connection is configured and controls, and when selecting manual test button 262, test data is selected by control button 26
Send button 263 or test data and receive button 264, test approaches are selected, and connect ask his test equipment into
Row test.
In the present embodiment, one or more can be arranged in interface modular converter 24, for example RS485 interfaces can only be arranged
Or RS232 interface, it can also both select, in the present embodiment, both select, wherein interface modular converter 24 wraps
RS485 conversion modules 241 and RS232 conversion modules 242 are included, RS485 conversion modules use MAX3082ESA chips, RS232 to turn
It changes the mold block and uses MAX232 chips.MAX3082ESA chips receive P0.9 pin company of the ends output end RO with LPC1114 chips
It connects, receives enable signal end RE and connect with P0.8 pins, send enable signal end and be directly connected to the ends RE, transmission data takes in end
DI is connect with P0.7 pins, and the ends the GND ground connection of MAX3082ESA chips, the ends VCC are connect with USB interface, meanwhile, the ends RO pass through one
It is also connect with USB interface after a divider resistance R34.
In the present embodiment, the P1.7 of the input terminal T1IN and LPC1114 chips of the MAX232 chips of RS232 conversion modules
Pin connects, and the output end R1OUT of MAX232 chips is connect with the P1.6 of LPC1114 chips, and centre is connected separately with 102
Protective resistance R3 and R4, the ends R1IN of MAX232 chips are connect with the ends TXD of USB conversion modules 15, MAX232 chips
The ends T1OUT are connect with the ends RXD of USB conversion modules, and centre is also connected separately with 102 protective resistance R1 and R2, the VCC of MAX232
End after the filter capacitor C15 of 0.1uf and resistance R5 with the USB interface of 3.3V also respectively by connecting.
In the present embodiment, USB conversion modules use FT232RL chips, the USB of one 3.3V of output end OUT connections
Interface and 0.1UF filter capacitor C14, the USB interface respectively with the VCC of MAX232, burning module 12 input/output terminal,
The end VCC and RO of MAX3082ESA chips, the vdd terminal of LPC1114 are connected with the input terminal of manual control module, wherein
It is additionally provided with protective resistance R6 in the vdd terminal of LPC1114 and the input terminal of manual control module and USB interface connection line, with
The upper main connection relation of each chip in the present embodiment, each chip itself also has some peripheral circuits, is specific
Using herein not in repetition.
Fig. 6-Fig. 7 is please referred to, is also connected on the present embodiment, either automatic mode or manual mode, modem 1
It is connected to test circuit 5, test circuit 5 is electrically connected with DC power supply 4, and DC power supply 4 provides electric energy to test circuit, test circuit
The signal source 7 for providing test electric signal to modem 1 is also associated on 5, to be modulated the receiving of demodulator 1
Power threshold is tested, and shows test result by LED light (not shown), and the output frequency of signal source is 2.176Mhz.Work as survey
It is connected with power meter on examination circuit, to carry out transmission power test.
Invention additionally discloses a kind of methods of OOK electrical properties modem trainup, include the following steps：
By the automatic test of 26 control selections of control button or manual test, manual test button 262, modulatedemodulate are selected
Device 1 is adjusted to charge by the way that USB interface to be connect with power supply 6, when the automatic test button 261 of selection, modem passes through
USB interface is attached with computer 3.
The instruction repertorie that test fixture 2 is tested is transmitted to by burning module 22 in main control module 21, when passing through master
When shelves are tested in control button selection in control module 21 automatically, main control module 21 is converted according to the instruction repertorie of burning by USB
Module 25 reads the data for the computer 3 being attached thereto, and executes test job；When pass through control button 26 select manual test shelves
When, it can carry out test job by being manually entered relevant operation instruction；It is sent when by the selection test data of control button 26
When, transmission power test is carried out, when selecting test data to receive, carries out receiving power threshold test.
It is introduced by taking manual test as an example below, when testing for transmission power, needs to connect power meter in test circuit 5
8, power meter 8 or frequency spectrograph replacement, by power meter or frequency spectrograph 8, can test modem 1 herein
Transmission power, when transmission power is less than 1dbm, test does not pass through, and when transmission power is in 1-5dbm, test passes through, and works as test
When power is more than 5dbm, test crash.
It when to receive power threshold test, needs to connect a signal source 7 in test circuit 5, signal source output frequency
Rate is 2.176Mhz, exports a power to modem by signal source 7, checks the indicator light on modem 1, when
When signal source 7 is closed, test lamp goes out, and when signal source 7 sends the power an of -18dbm, test lamp goes out, when signal source 7 is sent
When the power of one -12dbm, test lamp is bright, and when signal source 7 sends the power of a 5dbm, test lamp is bright.When above-mentioned several
When the dispaly state of output power, corresponding test lamp all meets, test passes through, and otherwise, test does not pass through.
In the present embodiment, the serial communication Configuration of baud rate of the interface modular converter 24 of test fixture 2 is 9600, is nothing
Verification, 8 data bit, 1 stop position, frame format are：
| Leader will | Method of calibration | Order | Length | Parameter | Check value | Tail tag will |
| 2Bytes | 1Byte | 1Byte | 1Byte | -- | 2Bytes | 2Bytes |
Leader will：7E 7E
Method of calibration：00 no parity check, 06 and examine, 09CRC examine
Test value：If the method for inspection is 00, check value 0000, tail tag will：7F 7F
In order to realize transparent transmission, in addition to indicating end to end, transfer character 7D is added in other needs.
| Former character | After escape |
| 7D | 7D7D |
| 7E | 7D7E |
| 7F | 7D7F |
The test fixture 2 support is such as issued orders：
Test fixture 2 has following return code：
| Return code title | Return code | Description |
| OK | 0x00 | Success |
| Fail | 0x0B | Failure |
| FormatErr | 0xF0 | The command format mistake issued |
| CheckErr | 0xF1 | The command checksum code mistake issued |
| HandMode | 0xF2 | When in manual mode, setting TX is tested |
| TXItem | 0xF3 | When being tested in TX, RX states are read |
| UnsupportedCommand | 0xF4 | The order that do not support |
Each order is described in detail as follows：
a)GetTestMode
Issue parameter：Nothing
Return parameters：
b)SetTestItem
Issue parameter：
Return parameters：
c)GetTsetItem
Issue parameter：Nothing
Return parameters：
d)GetRxStatus
Issue parameter：Nothing
Return parameters：
Advantage of the invention is that：
(1) setting manual test and automatically two kinds of structures of test, test is more convenient, also ensures production efficiency；
(2) it is tested by USB interface, does not have to destroy inside modem, ensure that the quality of production, and side's batch
It tests together, more saves the time；
3) while there is 485 interfaces of setting and the transmitting of 232 Interface Controller OOK modems and receive, use is more wide
It is general.
Disclosed above is only several specific embodiments of the present invention, but the present invention is not limited to this, any ability
What the technical staff in domain can think variation should all fall into protection scope of the present invention.
Claims (4)
1. a kind of OOK electrical properties modulator-demodulator testing system, which is characterized in that including：For fixing modulation /demodulation to be measured
Device, and control the test fixture of modem OOK electric performance tests；Automatic test shelves and hand are provided on the test fixture
Dynamic test shelves, when selecting automatic test shelves, the test fixture is electrically connected by USB interface with computer, selects manual test shelves
When, the USB interface connection power supply charges；Test circuit, the test circuit are also associated on the modem
Be electrically connected with DC power supply, the DC power supply provides electric energy to test circuit, be also associated in the test circuit for
Modem provides the signal source of test electric signal, and the reception power threshold to be modulated demodulator is tested, and is passed through
LED light shows test result, and the output frequency of the signal source is 2.176Mhz；It is also associated in the test circuit for surveying
Measure the power meter of modem size of power when carrying out transmission power test；It include master control mould on the test fixture
Block, burning module, manual control module, USB conversion modules and interface modular converter；The burning module, manual control module
It is electrically connected respectively with main control module with interface modular converter, the USB conversion modules are electrically connected with interface modular converter, the master
Control button is also associated in control module, the control button is for selecting to test shelves or manual test shelves and selection automatically
Test data is sent or test data receives, and when the automatic test shelves of selection, manual test module disconnects automatically, when selection hand
When dynamic test shelves, manual test module connects automatically, when selecting test data to send, carries out transmission power test, works as selection
When test data receives, carry out receiving power threshold test.
2. a kind of OOK electrical properties modulator-demodulator testing system according to claim 1, which is characterized in that the master control
Module uses LPC1114 chips, the USB conversion modules to use FT232RL chips, and the interface modular converter includes RS485
Conversion module and RS232 conversion modules, the RS485 conversion modules use MAX3082ESA chips, the RS232 conversion modules
Using MAX232 chips, after the FT232RL chips are connect with MAX232 chips, pass through MAX232 chips and LPC1114 chips
After connection is communicated or FT232RL chips connect with MAX3082ESA chips, pass through FT232RL chips and LPC1114 cores
Piece connection is communicated, and the LPC1114 chips are electrically connected the automatic test shelves of progress and manual test shelves with manual control module,
Test data sends the selection received with test data.
3. a kind of method of OOK electrical properties modem trainup, which is characterized in that include the following steps：
When selecting manual, manual control module controls test fixture and carries out OOK electric performance tests, and institute to modem
Modem is stated to charge by the way that USB interface to be connect with power supply；When carrying out receiving power threshold test, pass through output
Frequency is that the signal source of 2.176MHZ sends out electric signal by test circuit to modem, and the test fixture passes through LED
Show test result；When carrying out transmission power test, by measuring the modulation /demodulation with power meter connecting test circuit
The size of the power emitted on device.The test fixture tests modem according to test parameter；The test work
It puts into the instruction repertorie that row is tested to be transmitted in main control module by burning module, manual test shelves is selected when passing through control button
When, it can carry out test job by being manually entered relevant operation instruction；When selecting test data to send by control button,
Transmission power test is carried out, when selecting test data to receive, carries out receiving power threshold test；
When selecting automatic transmission, computer is connect by USB interface with the modem, and transmits test parameter, the survey
Trial work dress tests modem according to test parameter；The instruction repertorie that the test fixture is tested passes through burning
Module is transmitted in main control module, when test shelves automatic by the selection of control button on main control module, main control module according to
The instruction repertorie of burning reads the data for the computer end being attached thereto by USB conversion modules, and executes test job.
4. a kind of method of OOK electrical properties modem trainup according to claim 3, which is characterized in that USB is converted
Mould FT232RL chips in the block with cross connect with RS485 moduluss of conversion MAX3082ESA chips in the block or with RS232 moduluss of conversion
MAX232 chips in the block are attached and communicate with the LPC1114 chips of main control module, meanwhile, by LPC1114 chips
A manual control module is connected, to testing shelves and manual test shelves automatically, test data sends to receive with test data and carry out
Selection.
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| CN201610835863.XA CN106230523B (en) | 2016-09-20 | 2016-09-20 | A kind of OOK electrical properties modem automatization test system and method |
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| CN109828918A (en) * | 2019-01-16 | 2019-05-31 | 深圳壹账通智能科技有限公司 | Applied program testing method, device, computer equipment and storage medium |
| CN117110767B (en) * | 2023-10-18 | 2024-01-26 | 广州新创航宇电子科技有限公司 | Automatic screening method and system for frequency hopping filter data |
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| CN1917404A (en) * | 2005-08-19 | 2007-02-21 | 重庆信威通信技术有限责任公司 | Detection device and method of amplifier at column top in SCDMA system |
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Effective date of registration: 20221215 Address after: 215000 No.120, Jinling East Road, Suzhou Industrial Park, Jiangsu Province Patentee after: MEET COMMUNICATION EQUIPMENT (SUZHOU) Co.,Ltd. Address before: 518000 Floor 2, Building 2, Tingwei Industrial Park, No. 6, Liufang Road, Bao'an District, Shenzhen, Guangdong Patentee before: SHENZHEN MATT COMMUNICATION EQUIPMENT CO.,LTD. |