CN205247388U - Recall circuit of container emulation ware - Google Patents
Recall circuit of container emulation ware Download PDFInfo
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- CN205247388U CN205247388U CN201521020153.9U CN201521020153U CN205247388U CN 205247388 U CN205247388 U CN 205247388U CN 201521020153 U CN201521020153 U CN 201521020153U CN 205247388 U CN205247388 U CN 205247388U
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Abstract
The utility model discloses a recall circuit of container emulation ware, this circuit include integrated operational amplifier U1 and multiplier U2, and integrated operational amplifier U1 is used for realizing integrator operation, inverting amplifier operation and adder operation, the integrator is used for realizing incoming signal's total mark, and the first inverting amplifier of rethread realizes integrated signal's opposition and enlarge, signal input to multiplier U2 after enlargeing the opposition, and multiplier U2's the other end is continuous with incoming signal, and multiplier U2 is used for realizing multiplying each other of signal, incoming signal rethread second inverting amplifier realization incoming signal's opposition is enlargied, and the signal input after enlargeing the opposition arrives the adder, and the signal input after will multiplying each other through multiplier U2 simultaneously arrives the adder, and the adder is used for realizing the summation operation of signal, is finally exported the electric charge amount. The utility model discloses only contain 1 integrated fortune put with 1 multiplier, simple structure.
Description
Technical field
The utility model belongs to circuit design technique field, relates to one and recalls container emulator circuit, specifically relates toAnd a kind of realization meets the analog simulation circuit of recalling condenser voltage-electric charge relation.
Background technology
Recalling container is the another kind of memory cell after the 4th kind of novel circuit element memristor. Such devicesThere is nanostructured and memory characteristic, can store information without power supply, can be applicable to non-loss memoryWith fields such as artificial neural networks. At present only propose to recall several Mathematical Modelings of container, not yet realized actualPhysical device. In order to study in advance recalling container, design one is recalled container emulator and is had important meaningJustice. At present, although report a small amount of container emulator model of recalling, all with piecewise linearity, secondaryOr cubic non-linearity function is as its Mathematical Modeling, the container characteristics of recalling under this and nanostructured has larger difference,Be difficult to accurately simulate the actual characteristic of recalling container. Therefore, design a kind of principle and recall simply, accurately container etc.Effect circuit is significant.
Summary of the invention
For prior art above shortcomings, the utility model provides a kind of realization to recall container emulatorCircuit, recall the volt Sink Characteristics of container in order to simulation, substitute and actually recall container and carry out test and application and research.
The technical scheme that the utility model technical solution problem is taked is as follows: realize the electricity of recalling container emulatorRoad, comprises integrated operational amplifier U1 and multiplier U2, and integrated operational amplifier U1 is used for realizing integratorComputing, inverting amplifier computing and adder computing. Integrator is used for realizing the integration of input signal, more logicalCross the first inverting amplifier and realize the anti-phase amplification of integrated signal, the signal after anti-phase amplification is input to multiplicationDevice U2, the other end of multiplier U2 is connected with input signal, and multiplier U2 is for realizing multiplying each other of signal.Input signal is realized the anti-phase amplification of input signal again by the second inverting amplifier, by the letter after anti-phase amplificationNumber be input to adder, the signal after multiplying each other be input to adder simultaneously by multiplier U2, adder is usedIn the summation operation that realizes signal, finally obtain output charge amount.
Preferably, described recall container emulator circuit, comprise integrated operational amplifier U1, multiplier U2,Nine resistance, an electric capacity.
Described integrated operational amplifier U1 adopts LF347BD; Multiplier U2 adopts AD633.
The 1st pin of described integrated operational amplifier U1 and one end of the first capacitor C 1, the second resistance R 2One end of one end, the 3rd resistance R 3 connect, the other end of the 2nd pin and the first capacitor C 1, the second electricityThe other end of resistance R2, one end of the first resistance R 1 connect, the the 3rd, 5,10,12 pin ground connection, the 4thPin meets power supply VCC, and the 6th pin is connected with one end of the 5th resistance R 5, one end of the 6th resistance R 6,The 7th pin is connected with the other end of the 6th resistance R 6, one end of the 7th resistance R 7, the 8th pin and the 9thOne end of resistance R 9 connects and as output, the other end of the 9th pin and the 7th resistance R 7, the 8th electricityThe other end of one end, the 9th resistance R 9 of resistance R8 connects, the other end of the 13rd pin and the 3rd resistance R 3,One end of the 4th resistance R 4 connects, the of the other end of the 14th pin and the 4th resistance R 4, multiplier U21 pin connects; The other end of the first resistance R 1, the other end of the 5th resistance R 5 be as input, and the 8thThe other end of resistance R 8 is connected with the 7th pin of multiplier U2; The the 2nd, 4,6 pins of multiplier U2Ground connection, the 3rd pin of multiplier U2 is connected with input, and the 5th pin meets power supply VEE, and the 8th pin connectsPower supply VEE.
The utility model has designed a kind ofly can realize the simulating equivalent circuit of recalling container volt Sink Characteristics, this equivalenceCircuit is only containing 1 integrated transporting discharging and 1 multiplier, simple in structure. Utilize integrated computation circuit to realize and recall appearanceCorresponding computing in device characteristic, wherein, integrated operational amplifier mainly in order to realize voltage integral operation,Anti-phase amplification and add operation, analog multiplier is in order to realize the product of voltage integrating meter and voltage.
Brief description of the drawings
Fig. 1 is circuit structure block diagram of the present utility model.
Fig. 2 is that the utility model is realized the analog circuit schematic diagram of recalling container characteristics.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model preferred embodiment is elaborated.
Theoretical starting point of the present utility model is to recall the general mathematical expression of the volt Sink Characteristics of container:
As shown in Figure 1, this example is recalled container emulator equivalent circuit and is comprised integrated operational amplifier U1 and multiplicationDevice U2, integrated operational amplifier U1 mainly realizes integral operation, oppositely amplification and add operation; MultiplierU2 realizes multiplying each other of two signals; U1 adopts LF347BD, and U2 adopts AD633JN. LF347BD,AD633JN is prior art.
As shown in Figure 2, the test lead A that recalls the voltage u of container accesses integrated computation by the first resistance R 1 to be putThe pin 2 of large device U1, i.e. the input of integrator, the test lead B that recalls the quantity of electric charge q of container connects U1'sPin 8, the i.e. output of adder.
In integrated operational amplifier U1, there are 4 operational amplifiers, wherein, fortune corresponding to the 1st, 2,3 pinCalculate amplifier and the first resistance R 1, the second resistance R 2 and the first capacitor C 1 and form integrator, in order to realize electricityPress uAIntegration, obtain negative magnetic fluxBe the voltage u of U1 pin 11For:
Operational amplifier corresponding to the 5th, 6,7 pin of integrated operational amplifier U1, with the 5th resistance R 5,The 6th R6 forms reverse operational amplifier, in order to realize input voltage uAAnti-phase gain, i.e. U1 pin 7Voltage u7For:
Operational amplifier corresponding to the 12nd, 13,14 pin of integrated operational amplifier U1, with the 3rd resistanceR3, the 4th resistance R 4 form reverse operational amplifier, in order to realize positive magnetic fluxAnd amplify,The voltage u of U1 pin 1414For:
The model of multiplier U2 is AD633JN, in order to realize input voltage and input voltage integration (magnetic flux)Product calculation, i.e. the voltage u of U2 output W pinwFor:
Operational amplifier corresponding to the 8th, 9,10 pin of integrated operational amplifier U1, with the 7th resistance R 7,The 8th resistance R 8, the 9th resistance R 9 form adder, in order to realize the phase of voltage and multiplier U2 output quantityAdd, i.e. the voltage u of U1 pin 88For:
u8Be the quantity of electric charge q that recalls container, uABe the voltage u that recalls container, can be by above formula abbreviation:
The volt Sink Characteristics of recalling container simulating equivalent circuit, container Mathematical Modeling is more known with recalling:
One of the 1st pin of integrated operational amplifier U1 and one end of the first capacitor C 1, the second resistance R 2One end of end, the 3rd resistance R 3 connects, the other end of the 2nd pin and the first capacitor C 1, the second resistance R 2One end of the other end, the first resistance R 1 connect, the the 3rd, 5,10,12 pin ground connection, the 4th pin connectsPower supply VCC, the 6th pin is connected with one end of the 5th resistance R 5, one end of the 6th resistance R 6, and the 7th drawsPin is connected with the other end of the 6th resistance R 6, one end of the 7th resistance R 7, the 8th pin and the 9th resistance R 9One end connect and as output, the other end of the 9th pin and the 7th resistance R 7, the 8th resistance R 8The other end of one end, the 9th resistance R 9 connects, the other end of the 13rd pin and the 3rd resistance R 3, the 4th electricityOne end of resistance R4 connects, the other end of the 14th pin and the 4th resistance R 4, the 1st pin of multiplier U2Connect; The other end of the first resistance R 1, the other end of the 5th resistance R 5 be as input, the 8th resistance R 8The other end be connected with the 7th pin of multiplier U2; The the 2nd, 4, the 6 pin ground connection of multiplier U2, take advantage ofThe 3rd pin of musical instruments used in a Buddhist or Taoist mass U2 is connected with input, and the 5th pin meets power supply VEE, and the 8th pin meets power supply VEE.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for verifying the utility model,And be not that conduct is to restriction of the present utility model, as long as in scope of the present utility model, to above enforcementVariation, the distortion of example all will drop in protection domain of the present utility model.
Claims (2)
1. recall the circuit of container emulator, comprise integrated operational amplifier U1 and multiplier U2, its spyLevy and be: integrated operational amplifier U1 is used for realizing integrator computing, inverting amplifier computing and additionDevice computing; Integrator is used for realizing the integration of input signal, then realizes integration by the first inverting amplifierThe anti-phase amplification of signal, is input to multiplier U2 by the signal after anti-phase amplification, another of multiplier U2End is connected with input signal, and multiplier U2 is for realizing multiplying each other of signal; Input signal is again by secondInverting amplifier is realized the anti-phase amplification of input signal, and the signal after anti-phase amplification is input to adder,Signal after multiplying each other by multiplier U2 is input to adder, adder is for realizing signal simultaneouslySummation operation, finally obtains output charge amount.
2. according to claim 1ly recall container emulator circuit, it is characterized in that: comprise integratedOperational amplifier U1, multiplier U2, nine resistance, an electric capacity;
Described integrated operational amplifier U1 adopts LF347BD; Multiplier U2 adopts AD633;
The 1st pin of described integrated operational amplifier U1 and one end, second resistance of the first capacitor C 1One end of R2, one end of the 3rd resistance R 3 connect, the other end of the 2nd pin and the first capacitor C 1,The other end of the second resistance R 2, one end of the first resistance R 1 connect, and the the 3rd, 5,10,12 pins connectGround, the 4th pin meets power supply VCC, one end of the 6th pin and the 5th resistance R 5, the 6th resistance R 6One end connect, the 7th pin is connected with the other end of the 6th resistance R 6, one end of the 7th resistance R 7,The 8th pin is connected with one end of the 9th resistance R 9 and as output, the 9th pin and the 7th resistance R 7One end, the other end of the 9th resistance R 9 of the other end, the 8th resistance R 8 connect, the 13rd pin withThe other end of the 3rd resistance R 3, one end of the 4th resistance R 4 connect, the 14th pin and the 4th resistance R 4The 1st pin of the other end, multiplier U2 connect; The other end of the first resistance R 1, the 5th resistanceThe other end of R5 is as input, and the 7th pin of the other end of the 8th resistance R 8 and multiplier U2 connectsConnect; The the 2nd, 4, the 6 pin ground connection of multiplier U2, the 3rd pin of multiplier U2 and input connectConnect, the 5th pin meets power supply VEE, and the 8th pin meets power supply VEE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020153.9U CN205247388U (en) | 2015-12-10 | 2015-12-10 | Recall circuit of container emulation ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020153.9U CN205247388U (en) | 2015-12-10 | 2015-12-10 | Recall circuit of container emulation ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205247388U true CN205247388U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521020153.9U Expired - Fee Related CN205247388U (en) | 2015-12-10 | 2015-12-10 | Recall circuit of container emulation ware |
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| Country | Link |
|---|---|
| CN (1) | CN205247388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105373678A (en) * | 2015-12-10 | 2016-03-02 | 杭州电子科技大学 | Circuit for memory capacitor simulator |
-
2015
- 2015-12-10 CN CN201521020153.9U patent/CN205247388U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105373678A (en) * | 2015-12-10 | 2016-03-02 | 杭州电子科技大学 | Circuit for memory capacitor simulator |
| CN105373678B (en) * | 2015-12-10 | 2018-11-02 | 杭州电子科技大学 | One kind recalling container emulator circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160518 Termination date: 20181210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |