CN204331729U - Recall the realizing circuit of container - Google Patents
Recall the realizing circuit of container Download PDFInfo
- Publication number
- CN204331729U CN204331729U CN201420772906.0U CN201420772906U CN204331729U CN 204331729 U CN204331729 U CN 204331729U CN 201420772906 U CN201420772906 U CN 201420772906U CN 204331729 U CN204331729 U CN 204331729U
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- Prior art keywords
- multiplier
- electric capacity
- container
- operational amplifier
- circuit
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Abstract
The utility model discloses a kind of realizing circuit recalling container, comprise the first operational amplifier, the second operational amplifier, the first electric capacity, the second electric capacity, the 3rd electric capacity, resistance, feedback resistance, operating amplifier with current feedback and the first multiplier; The realizing circuit recalling container is interconnected by above-mentioned parts and forms, the q-v curve of metering circuit gained meets the magnet controlled obvious memory effect recalled container table and reveal, its state variable relation curve has hysteresis, therefore, this realizing circuit is equivalent to one and magnet controlledly recalls container, and circuit structure is simple, parameter is easy to adjust.
Description
Technical field
The utility model relates to the construction applications of Memorability circuit component, particularly a kind ofly magnet controlledly recalls the realizing circuit that the realizing circuit of container and the magnet controlled of Any Order recall container.
Background technology
1971, after professor Cai Shaotang of Berkeley University of the U.S. analyzes the voltage of base electronic device, electric current, electric charge and flux symmetrical, should there is the 4th kind of electron device, i.e. memristor in proposition.The resistance of memristor is relevant with historic state, has memory capability.2008, the team led by the scientist Stanley Williams in HP laboratory obtained the physics realization of memristor under extremely strict experiment condition.
In recent years, similar memristor has the electron device of memory effect or system is found, successively as recalled container, recalling sensor etc.The state variable of these devices shows obvious memory effect, and its state variable relation curve has hysteresis.Recalling in container what embody this hysteretic relationship is q-v curve.Current Chinese scholars mainly concentrates on memristor the research of memory system, and less with the research recalling sensor to recalling container, much known structure of container of recalling is all draw at the basic up conversion of memristor, complex structure.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Utility model content
The purpose of this utility model is to provide a kind of realizing circuit recalling container, thus overcomes the shortcoming recalling structure of container complexity drawn at the basic up conversion of memristor.
For achieving the above object, the utility model provides the realizing circuit that a kind of single order recalls container, comprising: the first operational amplifier, the second operational amplifier, the first electric capacity, the second electric capacity, the 3rd electric capacity, resistance, feedback resistance, operating amplifier with current feedback and the first multiplier, the normal phase input end of described first operational amplifier is held with the first input end of described first multiplier and the TZ of described operating amplifier with current feedback and is connected, the output terminal of described second operational amplifier is connected with the second input end of described first multiplier, and one end of described first electric capacity is connected with the output terminal of described second operational amplifier, the inverting input of described second operational amplifier is connected with the other end of described first electric capacity and one end of described resistance, described feedback resistance and described first Capacitance parallel connection, the output terminal of described first operational amplifier is connected with the inverting input of the other end of described resistance and described first operational amplifier, the inverting input of described operating amplifier with current feedback is connected with one end of described second electric capacity, the other end of described second electric capacity is connected with the output terminal of described first multiplier, one end of described 3rd electric capacity is connected with the output terminal of described first multiplier.
In technique scheme, the model of described operating amplifier with current feedback is AD844.
Another object of the present utility model is to provide a kind of second order to recall the realizing circuit of container, thus overcomes the shortcoming recalling structure of container complexity drawn at the basic up conversion of memristor.
For achieving the above object, the utility model provides the realizing circuit that a kind of second order recalls container, the second multiplier is added after described first multiplier, two input ends of described first multiplier are connected with the output terminal of described second operational amplifier, an input end of described second multiplier is connected with the output terminal of described first multiplier, another input end of described second multiplier is connected with the normal phase input end of described first operational amplifier, and the output terminal of described second multiplier is connected with described second electric capacity one end with described 3rd electric capacity.
Another object of the present utility model is to provide a kind of Any Order adopting above-mentioned second order to recall the realizing circuit of container to recall the implementation method of condenser circuit, thus overcomes the shortcoming recalling structure of container complexity drawn at the basic up conversion of memristor.
For achieving the above object, the utility model provides the realizing circuit that a kind of Any Order adopting above-mentioned second order to recall the realizing circuit of container recalls container, and continuing to be increased to N number of multiplier after being included in described second multiplier becomes N rank with correspondence and recall condenser circuit.
Compared with prior art, the utility model has following beneficial effect:
1. the realizing circuit recalling container in the utility model, the q-v curve of metering circuit gained meets the magnet controlled obvious memory effect recalled container table and reveal, its state variable relation curve has hysteresis, and therefore, this realizing circuit is equivalent to one and magnet controlledly recalls container.
2. circuit structure is simple, and parameter is easy to adjust.
3. change the quantity of multiplier, namely may correspond to and realize that Any Order is magnet controlled recalls condenser circuit.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams recalling condenser circuit according to single order of the present utility model.
Fig. 2 is the circuit theory diagrams recalling condenser circuit according to second order of the present utility model.
Fig. 3 is the circuit theory diagrams recalling condenser circuit according to N rank of the present utility model.
Fig. 4 recalls the q-v performance diagram of condenser circuit under sinusoidal voltage effect according to single order of the present utility model.
Fig. 5 recalls the q-v performance diagram of condenser circuit under sinusoidal voltage effect according to second order of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole instructions and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or ingredient, and do not get rid of other element or other ingredient.
As shown in Figure 1, according to a kind of realizing circuit recalling container of the utility model embodiment, comprising: the first operational amplifier U
1, the second operational amplifier U
2, the first electric capacity C
1, the second electric capacity C
2, the 3rd electric capacity C
3, resistance R
1, feedback resistance R
f, operating amplifier with current feedback AD844 and the first multiplier A
1; In this embodiment, operating amplifier with current feedback adopts model to be the operational amplifier of AD844, the first operational amplifier U
1normal phase input end and the first multiplier A
1first input end and operating amplifier with current feedback AD844 TZ end be connected, the second operational amplifier U
2output terminal and the first multiplier A
1the second input end be connected, the first electric capacity C
1one end and the second operational amplifier U
2output terminal be connected; Second operational amplifier U
2inverting input and the first electric capacity C
1the other end and resistance R
1one end be connected, the second operational amplifier U
2positive input end grounding current potential, feedback resistance R
fwith the first electric capacity C
1parallel connection, the output terminal of the first operational amplifier and resistance R
1the other end and the first operational amplifier U
1inverting input be connected, the positive input end grounding of operating amplifier with current feedback AD844 and the inverting input of operating amplifier with current feedback AD844 and the second electric capacity C
2one end be connected, the second electric capacity C
2the other end and the first multiplier A
1output terminal be connected, the 3rd electric capacity C
3one end and the first multiplier A
1output terminal be connected, other end earthing potential, wherein by the first operational amplifier U
1normal phase input end and the 3rd electric capacity C
3ground connection one end draw the input port recalling condenser circuit as equivalence.
Above-mentionedly recall the realizing circuit of container for single order, the following container hysteretic characteristic of recalling to realizing circuit is verified, in FIG, according to the character of operational amplifier integrating circuit, can obtain the second operational amplifier U
2output end voltage be:
In order to prevent integrating circuit output voltage saturated in side circuit, need at the first electric capacity C
1a two ends feedback resistance R in parallel
f, feedback resistance R
fresistance value be generally resistance R
1more than ten times.
And according to multiplier principle, arranging output gain is k, have:
According to the characteristic of operating amplifier with current feedback AD844, the electric current of TZ pin equals the input current of inverting input, if by the second electric capacity C
2value be chosen for and the 3rd electric capacity C
3value equal, and the second electric capacity C
2with the 3rd electric capacity C
3voltage also identical, so flow through the 3rd electric capacity C
3electric current just equal the electric current of the TZ pin of operating amplifier with current feedback AD844, and the electric current of TZ pin equals the input current that condenser circuit is recalled in equivalence, so electric capacity the 3rd electric capacity C
3electric charge equal the electric charge that container is recalled in equivalence.
Make the 3rd electric capacity C
3electric charge be that q, q are simultaneously for recalling the electric charge of container then
Then recall capacitance
here k<0.
Wherein
this formula meets recalls container characteristics, therefore, and C
mbe a time-varying capacitance, its capacitance is the linear function of magnetic flux, therefore recalls container for single order is magnet controlled.At input end input sinusoidal voltage, when measurement q-v curve, the electric charge q recalling condenser circuit due to equivalence equals the 3rd electric capacity C
3electric charge, and the 3rd electric capacity C
3electric charge and its terminal voltage u
3be directly proportional, so with the 3rd electric capacity C
3terminal voltage replace q, recall the input voltage of condenser circuit as v using equivalence, thus measure the q-v curve that condenser circuit is recalled in equivalence, the q-v curve obtained is hysteresis, and as shown in Figure 4, therefore this equivalence is recalled condenser circuit and can be replaced recalling container and apply.
Recall condenser circuit by above-mentioned single order equivalence, the magnet controlled of Any Order can be realized and recall container.As shown in Figure 2, at the second operational amplifier U
2after add a second multiplier A
2, wherein annexation is the first multiplier A
1two input ends all with operational amplifier U
2output terminal be connected, the second multiplier A
2an input end and the first multiplier A
1output terminal be connected, the second multiplier A
2another input end and operational amplifier U
1normal phase input end be connected, the second multiplier A
2output terminal and the second electric capacity C
2, the 3rd electric capacity C
3one end be connected, the second electric capacity C
2the other end be still connected with the inverting input of operating amplifier with current feedback AD844, the 3rd electric capacity C
3the other end still ground connection, carry out the square operation of magnetic flux, second order can be obtained and recall condenser circuit, the second multiplier A in Fig. 2
2output voltage u
3for
Order
Then
Therefore C
mcapacitance be the quadratic function of magnetic flux, being that second order is magnet controlled recalls container.At input end input sinusoidal voltage, the q-v curve obtained is hysteresis, as shown in Figure 5, therefore, add a multiplier A
2after, this circuit is become, and second order is magnet controlled recalls container.
In like manner, by the second multiplier A
2rear increase multiplicative operator, can realize the magnet controlled of Any Order and recall container, as shown in Figure 3.Its equivalent capacitance value is
to sum up, recall in condenser circuit in single order equivalence and replace the first multiplier A by N number of multiplier place in circuit
1time, it is identical that its connection and second order recall condenser circuit, and namely correspondence becomes that N rank are magnet controlled recalls container.
The aforementioned description to concrete exemplary of the present utility model is to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present utility model and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to limited by claims and equivalents thereof.
Claims (4)
1. recall a realizing circuit for container, it is characterized in that, comprising: the first operational amplifier, the second operational amplifier, the first electric capacity, the second electric capacity, the 3rd electric capacity, resistance, feedback resistance, operating amplifier with current feedback and the first multiplier, the normal phase input end of described first operational amplifier is held with the first input end of described first multiplier and the TZ of described operating amplifier with current feedback and is connected, the output terminal of described second operational amplifier is connected with the second input end of described first multiplier, and one end of described first electric capacity is connected with the output terminal of described second operational amplifier, the inverting input of described second operational amplifier is connected with the other end of described first electric capacity and one end of described resistance, described feedback resistance and described first Capacitance parallel connection, the output terminal of described first operational amplifier is connected with the inverting input of the other end of described resistance and described first operational amplifier, the inverting input of described operating amplifier with current feedback is connected with one end of described second electric capacity, the other end of described second electric capacity is connected with the output terminal of described first multiplier, one end of described 3rd electric capacity is connected with the output terminal of described first multiplier.
2. realizing circuit according to claim 1, is characterized in that, the model of described operating amplifier with current feedback is AD844, and described second electric capacity is equal with the capacitance of described 3rd electric capacity.
3. the realizing circuit adopting the second order of the realizing circuit recalling container described in claim 1 to recall container, it is characterized in that, the second multiplier is added after described first multiplier, two input ends of described first multiplier are connected with the output terminal of described second operational amplifier, an input end of described second multiplier is connected with the output terminal of described first multiplier, another input end of described second multiplier is connected with the normal phase input end of described first operational amplifier, the output terminal of described second multiplier is connected with described second electric capacity one end with described 3rd electric capacity.
4. the Any Order adopting second order described in claim 3 to recall the realizing circuit of container recalls a realizing circuit for container, it is characterized in that, continuing to be increased to N number of multiplier after being included in described second multiplier becomes N rank with correspondence and recall condenser circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420772906.0U CN204331729U (en) | 2014-12-09 | 2014-12-09 | Recall the realizing circuit of container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420772906.0U CN204331729U (en) | 2014-12-09 | 2014-12-09 | Recall the realizing circuit of container |
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| Publication Number | Publication Date |
|---|---|
| CN204331729U true CN204331729U (en) | 2015-05-13 |
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ID=53168060
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420772906.0U Expired - Fee Related CN204331729U (en) | 2014-12-09 | 2014-12-09 | Recall the realizing circuit of container |
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| Country | Link |
|---|---|
| CN (1) | CN204331729U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104573183A (en) * | 2014-12-09 | 2015-04-29 | 广西大学 | Realizing circuit of memory container and realizing method of memory container circuit of any order |
| CN105161303A (en) * | 2015-08-04 | 2015-12-16 | 武汉科技大学 | Implementation circuit of adjustable capacitor |
| CN106202796A (en) * | 2016-07-22 | 2016-12-07 | 湘潭大学 | A kind of general memory device simulator |
| CN113448271A (en) * | 2021-06-24 | 2021-09-28 | 杭州电子科技大学 | Mechanical charge control memory container |
-
2014
- 2014-12-09 CN CN201420772906.0U patent/CN204331729U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104573183A (en) * | 2014-12-09 | 2015-04-29 | 广西大学 | Realizing circuit of memory container and realizing method of memory container circuit of any order |
| CN104573183B (en) * | 2014-12-09 | 2017-12-12 | 广西大学 | That recalls container realizes that circuit and Any Order recall the implementation method of condenser circuit |
| CN105161303A (en) * | 2015-08-04 | 2015-12-16 | 武汉科技大学 | Implementation circuit of adjustable capacitor |
| CN105161303B (en) * | 2015-08-04 | 2017-10-03 | 武汉科技大学 | A kind of adjustable condenser realizes circuit |
| CN106202796A (en) * | 2016-07-22 | 2016-12-07 | 湘潭大学 | A kind of general memory device simulator |
| CN106202796B (en) * | 2016-07-22 | 2019-03-15 | 湘潭大学 | A kind of general memory device simulator |
| CN113448271A (en) * | 2021-06-24 | 2021-09-28 | 杭州电子科技大学 | Mechanical charge control memory container |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20201209 |