CN206249139U - A kind of picture arbitrary waveform signal generator - Google Patents
A kind of picture arbitrary waveform signal generator Download PDFInfo
- Publication number
- CN206249139U CN206249139U CN201621302453.0U CN201621302453U CN206249139U CN 206249139 U CN206249139 U CN 206249139U CN 201621302453 U CN201621302453 U CN 201621302453U CN 206249139 U CN206249139 U CN 206249139U
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- CN
- China
- Prior art keywords
- chip microcomputer
- signal generator
- output end
- arbitrary waveform
- converter module
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of picture arbitrary waveform signal generator, is mainly made up of host computer, serial line interface, the next single-chip microcomputer, the first D/A converter module, the second D/A converter module and amplifier adder；Wherein host computer is connected by serial line interface with the next single-chip microcomputer；One of output end of the next single-chip microcomputer connects one of input of amplifier adder via the first D/A converter module, and another output end of the next single-chip microcomputer connects another input of amplifier adder via the second D/A converter module；The output end output analog signal of amplifier adder.The utility model have friendly interface, it is easy to operate and easily scalable the features such as.
Description
Technical field
The utility model is related to signal generator technical field, and in particular to a kind of picture arbitrary waveform signal generator.
Background technology
Arbitrary waveform signal generator is a kind of conventional novel electron equipment, can produce all kinds of examinations according to user's request
Signal is tested, the need for simulating the explosive test of some very disruptives to meet retest, it is to avoid repeatedly experiment causes
Manpower and materials put into increased problem.However, the arbitrary waveform signal generator for being used at present be by simulation synthesize and
DDS is directly synthesized mode and obtains random waveform signal, and its all analog waveform data is realized in single-chip microcomputer, and is limited to
The arithmetic speed and ability of single-chip microcomputer, existing arbitrary waveform signal generator often fall short of the reality, can only produce it is several such as
The type signals such as square wave, triangular wave, sine wave, sawtooth waveforms, noise.Additionally, also there is behaviour in existing arbitrary waveform signal generator
Make inconvenience and be difficult to the problem upgraded.
Utility model content
To be solved in the utility model is that existing arbitrary waveform signal generator has limited signal, operation inconvenience and hardly possible
A kind of the problems such as to upgrade, there is provided picture arbitrary waveform signal generator.
To solve the above problems, the utility model is achieved through the following technical solutions：
A kind of picture arbitrary waveform signal generator, mainly by host computer, serial line interface, the next single-chip microcomputer, first
D/A converter module, the second D/A converter module and amplifier adder composition；Wherein host computer passes through serial line interface with
Position single-chip microcomputer connection；One of output end of the next single-chip microcomputer connects its of amplifier adder via the first D/A converter module
In an input, another output end of the next single-chip microcomputer is another via the second D/A converter module connection amplifier adder
Individual input；The output end output analog signal of amplifier adder.
Used as improvement, the arbitrary waveform signal generator still further comprises Low-pass Elliptic Filter, the oval low pass
The input of wave filter is connected with the output end of amplifier adder, the simulation letter of the output end output smoothing of Low-pass Elliptic Filter
Number.
In such scheme, the serial line interface is RS232 serial line interfaces.
In such scheme, the next single-chip microcomputer is STC12C5A60S2 controllers.
In such scheme, the host computer is all-purpose computer.
Compared with prior art, the utility model draws test waveform and definition signal parameter by host computer, and by ripple
Graphic data issues slave computer by serial line interface, finally carries out the D/A conversion corresponding analog signals of generation.All analog wave figurate numbers
According to completing in a computer, mode is directly synthesized compared to simulation synthesis and DDS, with friendly interface, easy to operate and easy
The features such as upgrading.
Brief description of the drawings
Fig. 1 is a kind of picture arbitrary waveform signal generator theory diagram.
Fig. 2 is another picture arbitrary waveform signal generator theory diagram.
Specific embodiment
Embodiment 1：
A kind of picture arbitrary waveform signal generator, as shown in figure 1, by host computer, serial line interface, the next monolithic
Machine, the first D/A converter module, the second D/A converter module and amplifier adder composition.Wherein host computer passes through serial interface
Mouth is connected with the next single-chip microcomputer.One of output end of the next single-chip microcomputer connects amplifier addition via the first D/A converter module
One of input of device, another output end of the next single-chip microcomputer connects amplifier adder via the second D/A converter module
Another input.The output end of amplifier adder forms required analog signal.In the utility model preferred embodiment,
The host computer is all-purpose computer, and the next single-chip microcomputer is STC12C5A60S2 controllers.Connect using general serial
Mouth RS232 completes the communication between host computer and slave computer, realizes PC data is activations and parameter adjustment function.
Above-mentioned arbitrary waveform signal generator when in use, host computer man-machine interface hand drawn waveform and set
Parameter is put, and Wave data is dealt into the next single-chip microcomputer by serial line interface.Additionally, in host computer, except realizing
Analog signal waveform is drawn outer, also to be entered line amplitude/periodic adjustment, signal mode selection and wave file and be preserved and again
Generation etc. is recalled to set.The next single-chip microcomputer is processed the Wave data that host computer is sent.It is using the conversions of D/A all the way
Analog signal needed for the synthesis of first D/A converter module, the analog signal is by after amplifier adder, realizing that bipolarity is believed
Number output.The Voltage Reference end that the output of the second D/A converter module connects operational amplifier is changed using another road D/A simultaneously, is used for
The voltage range of datum analog signal to meet is adjusted, the voltage amplitude quantized value drawn with host computer is allowed to
It is proportional.
Embodiment 2：
A kind of picture arbitrary waveform signal generator, as shown in Fig. 2 by host computer, serial line interface, the next monolithic
Machine, the first D/A converter module, the second D/A converter module, amplifier adder and Low-pass Elliptic Filter composition.It is wherein upper
Computer is connected by serial line interface with the next single-chip microcomputer.One of output end of the next single-chip microcomputer is via the first digital-to-analogue conversion
Module connects one of input of amplifier adder, and another output end of the next single-chip microcomputer is via the second digital-to-analogue conversion mould
Block connects another input of amplifier adder.The output end of amplifier adder connects the input of Low-pass Elliptic Filter.
Analog signal needed for the output end output of Low-pass Elliptic Filter.In the utility model preferred embodiment, the upper meter
Calculation machine is all-purpose computer, and the next single-chip microcomputer is STC12C5A60S2 controllers.Completed using USB RS232
Communication between host computer and slave computer, realizes PC data is activations and parameter adjustment function.
Above-mentioned arbitrary waveform signal generator when in use, host computer man-machine interface hand drawn waveform and set
Parameter is put, and Wave data is dealt into the next single-chip microcomputer by serial line interface.Additionally, in host computer, except realizing
Analog signal waveform is drawn outer, also to be entered line amplitude/periodic adjustment, signal mode selection and wave file and be preserved and again
Generation etc. is recalled to set.The next single-chip microcomputer is processed the Wave data that host computer is sent.It is using the conversions of D/A all the way
Analog signal needed for the synthesis of first D/A converter module, the analog signal is by after amplifier adder, realizing that bipolarity is believed
Number output.The Voltage Reference end that the output of the second D/A converter module connects operational amplifier is changed using another road D/A simultaneously, is used for
The voltage range of datum analog signal to meet is adjusted, the voltage amplitude quantized value drawn with host computer is allowed to
It is proportional.Required analog signal finally again by Low-pass Elliptic Filter, enables analog signal output to smooth.
Claims (5)
1. a kind of picture arbitrary waveform signal generator, it is characterised in that：It is main single by host computer, serial line interface, bottom
Piece machine, the first D/A converter module, the second D/A converter module and amplifier adder composition；Wherein host computer is by serial
Interface is connected with the next single-chip microcomputer；One of output end of the next single-chip microcomputer adds via the first D/A converter module connection amplifier
One of input of musical instruments used in a Buddhist or Taoist mass, another output end of the next single-chip microcomputer connects amplifier addition via the second D/A converter module
Another input of device；The output end output analog signal of amplifier adder.
2. a kind of picture arbitrary waveform signal generator according to claim 1, it is characterised in that：Still further comprise ellipse
Circle low pass filter, the input of the Low-pass Elliptic Filter is connected with the output end of amplifier adder, Low-pass Elliptic Filter
Output end output smoothing analog signal.
3. a kind of picture arbitrary waveform signal generator according to claim 1, it is characterised in that：The serial line interface is
RS232 serial line interfaces.
4. a kind of picture arbitrary waveform signal generator according to claim 1, it is characterised in that：The next single-chip microcomputer
It is STC12C5A60S2 controllers.
5. a kind of picture arbitrary waveform signal generator according to claim 1, it is characterised in that：The host computer
It is all-purpose computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302453.0U CN206249139U (en) | 2016-11-30 | 2016-11-30 | A kind of picture arbitrary waveform signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302453.0U CN206249139U (en) | 2016-11-30 | 2016-11-30 | A kind of picture arbitrary waveform signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206249139U true CN206249139U (en) | 2017-06-13 |
Family
ID=59003922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621302453.0U Expired - Fee Related CN206249139U (en) | 2016-11-30 | 2016-11-30 | A kind of picture arbitrary waveform signal generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206249139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444962A (en) * | 2016-11-30 | 2017-02-22 | 桂林电子科技大学 | Drawing random waveform signal generator |
-
2016
- 2016-11-30 CN CN201621302453.0U patent/CN206249139U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444962A (en) * | 2016-11-30 | 2017-02-22 | 桂林电子科技大学 | Drawing random waveform signal generator |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20171130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |