CN205725683U - One has class heart sound waveshape signal circuit - Google Patents
One has class heart sound waveshape signal circuit Download PDFInfo
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- CN205725683U CN205725683U CN201620275550.9U CN201620275550U CN205725683U CN 205725683 U CN205725683 U CN 205725683U CN 201620275550 U CN201620275550 U CN 201620275550U CN 205725683 U CN205725683 U CN 205725683U
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- heart sound
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Abstract
nullThis patent relates to one and has class heart sound waveshape signal circuit，The true cardiechema signals of people is the basic material of the heart sound of research people，Real heart sound signal acquisition is relatively difficult，How to design a simple system，The cardiechema signals simulating people is necessary in medical research，There is the system of class cardiechema signals and the circuit of realization at present，The most fewer，For overcoming the deficiencies in the prior art，This patent proposes the waveshape signal system of only five，The output signal of this system has the waveform similar to the cardiechema signals of people，Devise this system of a circuit realiration，The one of design has class heart sound waveshape signal circuit by integrated operational amplifier LF347BN and resistance、The three anti-phase adders in tunnel that electric capacity is formed、Inverting integrator and phase inverter and multiplier form，Good signal source is provided for studying the aspects such as the control of the cardiechema signals of people.
Description
Technical field
This patent relates to a kind of waveshape signal and circuit, has class heart sound waveshape signal circuit particularly to one.
Background technology
The true cardiechema signals of people is the basic material of the heart sound of research people, real heart sound signal acquisition is relatively difficult, how to design a simple system, the cardiechema signals simulating people is necessary in medical research, there is the system of class cardiechema signals and the circuit of realization at present, the most fewer, for overcoming the deficiencies in the prior art, this patent proposes the waveshape signal system of only five, the output signal of this system has the waveform similar to the cardiechema signals of people, devise this system of a circuit realiration, good signal source is provided for studying the aspects such as the control of the cardiechema signals of people.
Summary of the invention
This patent to solve the technical problem that and to be to provide a kind of system with class heart sound waveshape signal and circuit, uses following technological means to realize:
1. a system with class heart sound waveshape signal, it is characterised in that:
X in formula, y, z is state variable, a, b, c are parameter, work as a=0.9, when b=1, c=10, system has a waveshape signal of class heart sound, and a kind of have the three anti-phase adders in tunnel, inverting integrator and phase inverter and multiplier that class heart sound waveshape signal circuit formed by integrated operational amplifier LF347BN and resistance, electric capacity and form.
2. one kind has class heart sound waveshape signal circuit, it is characterised in that: a kind of have the three anti-phase adders in tunnel, inverting integrator and phase inverter and multiplier that class heart sound waveshape signal circuit formed by integrated operational amplifier LF347BN and resistance, electric capacity and form；
The reversed-phase output (-x) of the first via connects the input of the anti-phase adder of the first via by resistance R2, the input of multiplier A1 connects the in-phase output end (y) on the second tunnel and the in-phase output end (z) on the 3rd tunnel respectively, and the outfan of multiplier A1 connects the input of the anti-phase adder of the first via by resistance R1；
The in-phase output end (x) of the first via connects the input of the second anti-phase adder in tunnel by resistance R7；
The DC source of 1V connects the input of the 3rd anti-phase adder in tunnel by resistance R12, the input of multiplier A2 connects the in-phase output end (y) on the second tunnel and the reversed-phase output (-y) on the second tunnel respectively, and outfan connects the input of the 3rd anti-phase adder in tunnel by resistance R13.
Beneficial effect: this patent proposes the waveshape signal system of only five, the output signal of this system has the waveform similar to the cardiechema signals of people, devise this system of a circuit realiration, provide good signal source for studying the aspects such as the control of the cardiechema signals of people.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of this patent preferred embodiment.
Fig. 2 is the output waveform figure of the second road signal in this patent.
Detailed description of the invention
With preferred embodiment, this patent is further described in detail below in conjunction with the accompanying drawings, sees Fig. 1-Fig. 2.
1. a system with class heart sound waveshape signal, it is characterised in that:
X in formula, y, z is state variable, a, b, c are parameter, work as a=0.9, when b=1, c=10, system has a waveshape signal of class heart sound, and a kind of have the three anti-phase adders in tunnel, inverting integrator and phase inverter and multiplier that class heart sound waveshape signal circuit formed by integrated operational amplifier LF347BN and resistance, electric capacity and form.
2. one kind has class heart sound waveshape signal circuit, it is characterised in that: a kind of have the three anti-phase adders in tunnel, inverting integrator and phase inverter and multiplier that class heart sound waveshape signal circuit formed by integrated operational amplifier LF347BN and resistance, electric capacity and form；
The reversed-phase output (-x) of the first via connects the input of the anti-phase adder of the first via by resistance R2, the input of multiplier A1 connects the in-phase output end (y) on the second tunnel and the in-phase output end (z) on the 3rd tunnel respectively, and the outfan of multiplier A1 connects the input of the anti-phase adder of the first via by resistance R1；
The in-phase output end (x) of the first via connects the input of the second anti-phase adder in tunnel by resistance R7；
The DC source of 1V connects the input of the 3rd anti-phase adder in tunnel by resistance R12, the input of multiplier A2 connects the in-phase output end (y) on the second tunnel and the reversed-phase output (-y) on the second tunnel respectively, and outfan connects the input of the 3rd anti-phase adder in tunnel by resistance R13.
Certainly, described above not restriction to invention, the present invention is also not limited to the example above, change that those skilled in the art are made in the essential scope of the present invention, retrofits, adds or replaces, and falls within protection scope of the present invention.
Claims (1)
1. one kind has class heart sound waveshape signal circuit, it is characterised in that: a kind of have the three anti-phase adders in tunnel, inverting integrator and phase inverter and multiplier that class heart sound waveshape signal circuit formed by integrated operational amplifier LF347BN and resistance, electric capacity and form；
The reversed-phase output (-x) of the first via connects the input of the anti-phase adder of the first via by resistance R2, the input of multiplier A1 connects the in-phase output end (y) on the second tunnel and the in-phase output end (z) on the 3rd tunnel respectively, and the outfan of multiplier A1 connects the input of the anti-phase adder of the first via by resistance R1；
The in-phase output end (x) of the first via connects the input of the second anti-phase adder in tunnel by resistance R7；
The DC source of 1V connects the input of the 3rd anti-phase adder in tunnel by resistance R12, the input of multiplier A2 connects the in-phase output end (y) on the second tunnel and the reversed-phase output (-y) on the second tunnel respectively, and outfan connects the input of the 3rd anti-phase adder in tunnel by resistance R13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620275550.9U CN205725683U (en) | 2016-04-06 | 2016-04-06 | One has class heart sound waveshape signal circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620275550.9U CN205725683U (en) | 2016-04-06 | 2016-04-06 | One has class heart sound waveshape signal circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205725683U true CN205725683U (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620275550.9U Expired - Fee Related CN205725683U (en) | 2016-04-06 | 2016-04-06 | One has class heart sound waveshape signal circuit |
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| Country | Link |
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| CN (1) | CN205725683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790733A (en) * | 2016-04-06 | 2016-07-20 | 张晓丹 | System and circuit with heart sound-like waveform signals |
-
2016
- 2016-04-06 CN CN201620275550.9U patent/CN205725683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790733A (en) * | 2016-04-06 | 2016-07-20 | 张晓丹 | System and circuit with heart sound-like waveform signals |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |