CN206583953U - A kind of multifunctional intellectual instrument - Google Patents
A kind of multifunctional intellectual instrument Download PDFInfo
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- CN206583953U CN206583953U CN201621403655.4U CN201621403655U CN206583953U CN 206583953 U CN206583953 U CN 206583953U CN 201621403655 U CN201621403655 U CN 201621403655U CN 206583953 U CN206583953 U CN 206583953U
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Abstract
The utility model discloses a kind of multifunctional intellectual instrument, hardware module includes arm processor, input/output power amplifier, input/output wave memorizer, high-speed ADC/DAC, hardware system controller and the configurable input/output filter network being connected with the hardware system controller, 0 400MHz sine-wave generators, MUX, real-time FFT, acquisition controllers compositions at 8 65536.Pass through the control of arm processor, multifunctional intellectual instrument of the present utility model, integrate random waveform signal source, oscillograph, spectrum analyzer, and collection of simulant signal, processing, output can be completed in real time, user is that remote data acquisition and processing can be achieved by internet, and full-featured, sample rate is high, processing speed is fast, cost is relatively low, small volume, easy to carry.
Description
Technical field
The utility model belongs to electronic device field, more particularly to a kind of multifunctional intellectual instrument.
Background technology
Existing instrument and meter is generally split design, and such as waveform signal source, oscillograph, spectrum analyzer, function can not collect
Into function is single, carries inconvenient.
The content of the invention
The purpose of this utility model is to provide a kind of multifunctional intellectual instrument, it is intended to which solving existing instrument and meter is generally point
Body is designed, and function can not be integrated, and function is single, the problem of carrying inconvenient.
The utility model is achieved in that a kind of multifunctional intellectual instrument, and the multifunctional intellectual instrument is by ARM processing
Device, configurable input/output filter network, 8-65536 points real-time FFT, hardware system controller, acquisition controller, output/defeated
Enter wave memorizer, 0-400MHz sine-wave generators, high-speed ADC/DAC, MUX, input/output power amplifier,
Input-output apparatus, remote access controller composition.
The arm processor and input-output apparatus, input/output wave memorizer, remote access controller, hardware
System controller is connected；The hardware system controller and configurable input/output filter network, 8-65536 points are real-time
FFT, acquisition controller, MUX, the connection of 0-400MHz sine-wave generators.The configurable output filter network with
The output waveform memory connection；The acquisition controller is filtered with the 8-65536 point real-time FFTs and the configurable input
Ripple device network connection；The configurable input filter network is connected with the input waveform memory and high-speed ADC；The height
Fast ADC is connected with input power amplifier；The 8-65536 point real-time FFTs are connected with input waveform memory；It is described configurable
Output filter network is connected with the output waveform memory and high-speed DAC；The MUX and high-speed DAC, 0-
400MHz sine-wave generators, output power amplifier connection；.
Wherein arm processor (is integrated with using the Cyclone V series SoC chip 5CSXF6D6F31 of altera corp
Arm processor and abundant programmable logic resource)；It is configurable input/output filter network, 8-65536 points real-time FFT, hard
Part system controller, acquisition controller, input/output wave memorizer are integrated in SoC chip, and using in SoC chip
FPGA digital circuits (these modules also can select chip existing on the market, but so do and can increase system cost, but also
The data communication bandwidth between arm processor and these modules can be caused to be limited)；AD conversion chip (provides two from AD9254
Road precision be 14bit highest sample rates 250MSPS AD conversion passage), DA conversion chips from DAC5672 (provide two-way
Sample rate 250MSPS precision 14bit DA ALT-CH alternate channels), independent 0-400MHz sine-wave generators be based on DDS chips
AD9954 (1Gbps sample rates) is realized；Input/output wave memorizer selects DDR chips.
Multifunctional intellectual instrument of the present utility model, integrates random waveform signal source, oscillograph, spectrum analyzer,
And collection of simulant signal, processing, output can be completed in real time, user is that remote data acquisition and place can be achieved by internet
Reason, full-featured, sample rate is high, processing speed is fast, cost is relatively low, small volume, easy to carry.
Brief description of the drawings
Fig. 1 is the structural representation for the multifunctional intellectual instrument that the utility model embodiment is provided；
Fig. 2 is the high_frequency sine wave configuration process that the utility model embodiment is provided；
Fig. 3 is the AWG theory diagram that the utility model embodiment is provided；
Fig. 4 is the data collecting system theory diagram that the utility model embodiment is provided；
Fig. 5 is the spectrum analyzer system theory diagram that the utility model embodiment is provided.
In figure：1st, arm processor；2nd, hardware system controller；3rd, 8-65536 points real-time FFT converter；4th, acquisition control
Device；5th, configurable input filter network；6th, high-speed ADC；7th, input power amplifier；8th, input waveform memory；9th, output wave
Shape memory；10th, it can configure output filter network；11st, high-speed DAC；12nd, 0-400MHz sine-wave generators；13rd, multi-path choice
Device；14th, output power amplifier；15th, input-output equipment；16th, remote network access controller.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this practicality
It is new, it is not used to limit the utility model.
Below in conjunction with the accompanying drawings and specific embodiment is described in detail to structure of the present utility model.
Refer to Fig. 1：
The multifunctional intellectual instrument that the utility model embodiment is provided, is realized using SoC frameworks (arm processor+FPGA)
The function of a variety of instruments such as signal source, oscillograph, spectrum analyzer, virtual laboratory, including input channel, output channel, control
Three parts of system processed.
The output channel is by output waveform memory 9, configurable output filter network 10, high-speed DAC 11,0-400MHz
Sine-wave generator 12, MUX 13, output power amplifier 14 are constituted.Under control of the control system, output channel
Both 0-400MHz sine wave can be exported, the random waveform that arm processor 1 is stored in wave memorizer 9 can also be exported.
Control system can carry out dynamic configuration to the sample rate and power of output waveform and the frequency response function of output filter.
The input channel is by input power amplifier 7, high-speed ADC 6, configurable input filter network 5, acquisition controller
4th, 8-65536 points real-time FFT 3, output waveform memory 8 are constituted.Under control of the control system, input channel is simulated to input
Signal carries out the operation such as power amplification, analog-to-digital conversion, filtering, FFT, and digital sampled signal and its frequency spectrum are write into output waveform
Memory is read for arm processor.Control system can be with the frequency response function of dynamic configuration input filter, power amplification times
The parameters such as number, signal acquisition trigger condition and collection duration.
The control system is made up of arm processor 1 and hardware system controller 2, and the signal of input channel can be adopted
Collect processing procedure, the processing procedure of output channel and relevant parameter and carry out dynamic configuration, so as to realize that oscillograph, signal source etc. are more
Plant the function of instrument.In addition control system, can be by defeated as after signal transacting and conversion by inputting the linkage with output channel
New output signal is produced, so as to realize the function of virtual laboratory.
In order to realize signal source function, the utility model embodiment uses DDS frequency synthesizers and Digital Logical Circuits phase
With reference to mode.The utility model embodiment produces high_frequency sine wave using special DDS synthesizer chips, its sample rate
1GSPS is can reach, the sine wave signal that frequency is up to 400MHz can be produced.Control system can be by interface to the frequency synthesis
Device is controlled, and then changes frequency, amplitude and the phase of output sine wave, and configuration process is as shown in Figure 2.
DDS chips can only produce sine wave signal, and can not realize the output of random waveform signal.Therefore, this practicality is new
Type embodiment realizes this function by the way of arm processor and hardware logic electric circuit are combined, as shown in Figure 3.
(1) user produces the wave signal data for needing to export by arm processor, and saves it in output waveform and deposit
In reservoir.Then arm processor informs the information of above-mentioned Wave data in output waveform memory after output channel, and control
Person exports it from output waveform memory.
(2) Digital Logical Circuits of output channel is first according to the requirement of arm processor by data to be output from memory
In sequentially read, and analog signal output is converted thereof into by DAC.The sample rate of output signal reaches as high as 200MSPS, uses
Family can carry out dynamic configuration by arm processor to it；
(3) before output waveform is converted into analog signal, user can be carried out using output filter network to it
Filtering process.Because FIR filter amount of calculation is larger (especially when filter order is higher), this instrument is used based on FPGA
Hardware logic electric circuit realizes, its exponent number and coefficient all dynamic configurations, and top step number is up to 256 ranks, coefficient precision is reachable
24bit。
(4) arm processor continuously recurrent wrIting Wave data, output channel then constantly reads data, and its is defeated
Go out, so as to realize the output of endless random waveform.
In order to realize the functions such as oscillograph, spectrum analyzer, the utility model embodiment is provided to input analog signal
Be acquired, the functional module such as analog-to-digital conversion, FFT and Waveform storage, these functions are by ARM, Digital Logic electricity
Road, analog signal processing chip collaboration are completed.Arm processor is responsible for the initiation and control of gatherer process, the numeral based on FPGA
What logic circuit completed AD conversion, signal filtering and FFT under the control of arm processor and set according to arm processor
Waveform correlation and frequency spectrum data are simultaneously write input waveform memory so that arm processor is read by trigger collection condition.Simulation letter
The theory diagram of number acquisition system is as shown in Figure 4.
(1) user can call hardware system controller (such as to be adopted come configuration high-speed DAC relevant parameter by arm processor
Sample rate) and process (startup/stopping etc.)；
(2) arm processor can control input filter network to crude sampling sequence carry out pre-filtering processing, input filter
The exponent number and coefficient of ripple device network can pass through arm processor dynamic configuration.
(3) address space and length that arm processor stores signal to be collected in input waveform inform input channel, after
The data collected are write input waveform memory so that arm processor is read by person.
(4) arm processor can be to starting the trigger condition of data acquisition (as when wave-shape amplitude value is more than given door
Limit etc.) configured, system just starts the data collected writing wave memorizer only when trigger condition is met.
In order to realize high-precision spectrum analysis in real time, the utility model embodiment is devised at 8-65536 points FFT
Device is managed, the theory diagram of spectrum analysis process is as shown in Figure 5.
(1) arm processor can control whole input channel by hardware system controller.
(2) arm processor can set the transform length of fft processor by hardware system controller.
(3) the maximum transform length of fft processor is up to 65536 points, and under the conditions of 100MHz sample rates, frequency resolution can
Up to 1500Hz or so.
The utility model uses the operating system based on Linux, and the operating system is internally integrated a variety of conventional network services
Agreement (such as ICP/IP protocol), therefore possess the ability of network insertion.Based on this, the utility model realizes subordinate's work(
Energy：
(1) Remote Visit and Control function：By Telnet, the instrument realizes remote control to long-distance user, and then realizes remote
Journey data acquisition and processing (DAP)
(2) online updating function：Software program based on arm processor and the Digital Logical Circuits based on FPGA can
Reconfigure, user can pass through network online updating software and Digital Logical Circuits.
The utility model is realized by way of arm processor and hardware logic electric circuit are combined, due to data sampling
Rate is higher, should possess larger data exchange bandwidth between arm processor device and Digital Logical Circuits.In view of above-mentioned need
Ask, realized using the Cyclone V series SoC chip 5CSXF6D6F31 of altera corp.The SoC chip is in same chip
On inherit double-core ARM9 processors and 110K configurable logic cell, be provided simultaneously with 51405140Kbit on-chip memory
With sufficient digital signal processing unit (multiplier etc.), the resource of abundance is provided for realization of the present utility model.Digital-to-analogue and
In terms of analog-to-digital conversion, highest input signal sample rate of the present utility model is 100MHz, have chosen model AD9254's for this
ADC chips, the chip provides the AD conversion passage that two-way precision is 14bit highest sample rates 250MSPS, meets well
Design object of the present utility model.DAC chip, the utility model have selected DAC5672 chips, and the chip is sampled there is provided two-way
Rate 250MSPS precision 14bit DA ALT-CH alternate channels, the design requirement of this instrument can be met well.
Multifunctional intellectual instrument of the present utility model, integrates random waveform signal source, oscillograph, spectrum analyzer,
And collection of simulant signal, processing, output can be completed in real time by the function of script programming realization virtual laboratory, also carry
Supply network transmission function, user is that remote data acquisition and processing can be achieved by internet, full-featured, sample rate is high,
Processing speed is fast, cost is relatively low, small volume, easy to carry.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (2)
1. a kind of multifunctional intellectual instrument, it is characterised in that the multifunctional intellectual instrument by arm processor, configurable input/
Export filter network, 8-65536 points real-time FFT, hardware system controller, acquisition controller, input/output wave memorizer,
0-400MHz sine-wave generators, high-speed ADC/DAC, MUX, input/output power amplifier, input/output are set
Standby, remote access controller composition；
The arm processor and input-output apparatus, input/output wave memorizer, remote access controller, hardware system
Controller is connected；The hardware system controller and configurable input/output filter network, 8-65536 points real-time FFT, adopt
Collect controller, MUX, the connection of 0-400MHz sine-wave generators；The configurable output filter network with it is described defeated
Go out wave memorizer connection；The acquisition controller and the 8-65536 point real-time FFTs and the configurable input wave filter net
Network is connected；The configurable input filter network is connected with the input waveform memory and high-speed ADC；The high-speed ADC
It is connected with input power amplifier；The 8-65536 point real-time FFTs are connected with input waveform memory；The configurable output
Filter network is connected with the output waveform memory and high-speed DAC；The MUX and high-speed DAC, 0-400MHz
Sine-wave generator, output power amplifier connection.
2. multifunctional intellectual instrument as claimed in claim 1, it is characterised in that the arm processor is SoC chip
5CSXF6D6F31；Configurable input/output filter network, 8-65536 points real-time FFT, hardware system controller, acquisition control
Device, input/output wave memorizer are integrated in SoC chip；AD conversion chip is AD9254, and DA conversion chips are
DAC5672, independent 0-400MHz sine-wave generators are integrated on DDS chips AD9954；Input/output wave memorizer is
DDR chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403655.4U CN206583953U (en) | 2016-12-21 | 2016-12-21 | A kind of multifunctional intellectual instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403655.4U CN206583953U (en) | 2016-12-21 | 2016-12-21 | A kind of multifunctional intellectual instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206583953U true CN206583953U (en) | 2017-10-24 |
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ID=60108203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621403655.4U Expired - Fee Related CN206583953U (en) | 2016-12-21 | 2016-12-21 | A kind of multifunctional intellectual instrument |
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| Country | Link |
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| CN (1) | CN206583953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303937A (en) * | 2018-04-11 | 2018-07-20 | 淮安信息职业技术学院 | A kind of filter based on ARM and FPGA |
| CN109541284A (en) * | 2018-11-21 | 2019-03-29 | 东华大学 | A kind of Wrist wearable type integrated electrical measurement test macro |
-
2016
- 2016-12-21 CN CN201621403655.4U patent/CN206583953U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303937A (en) * | 2018-04-11 | 2018-07-20 | 淮安信息职业技术学院 | A kind of filter based on ARM and FPGA |
| CN108303937B (en) * | 2018-04-11 | 2023-09-19 | 江苏电子信息职业学院 | Filter based on ARM and FPGA |
| CN109541284A (en) * | 2018-11-21 | 2019-03-29 | 东华大学 | A kind of Wrist wearable type integrated electrical measurement test macro |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 Termination date: 20181221 |