CN206574070U - Index device computing circuit based on memristor - Google Patents
Index device computing circuit based on memristor Download PDFInfo
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- CN206574070U CN206574070U CN201720133613.1U CN201720133613U CN206574070U CN 206574070 U CN206574070 U CN 206574070U CN 201720133613 U CN201720133613 U CN 201720133613U CN 206574070 U CN206574070 U CN 206574070U
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Abstract
The utility model discloses a kind of index device computing circuit based on memristor, the circuit is made up of diode 1N4148, electric capacity and resistance, and diode 1N4148 realizes Wien bridge circuit function, electric capacity and resistance composition RC oscillating circuits.Propose based on the diode Wien Bridge Circuit of FIRST ORDER GENERALIZED DISTRIBUTED PARAMETER memristor, realize exponent arithmetic in analog circuit, for the sine wave RC oscillating circuits of application widely, have the advantages that the wien-bridge oscillator that vibration is relatively stablized, waveform is good, frequency of oscillation can be continuously adjusted easily in wider scope provides a kind of platform.
Description
Technical field
The utility model is related to a kind of computing circuit, more particularly to a kind of to be based on memristor index device computing circuit.
Background technology
Since the physical realizability report of nanoscale memristor, in the various application circuits based on memristor, memristor
Chaos circuit has obtained relatively broad research, and has substantial amounts of achievement to report that memristor is a kind of nonlinear circuit element, with
Other three kinds of basic circuit elements carry out organic linkings, it is easy to construct it is various be based on memristor, memristor is used for chaos
Research, which has been generated, compares far-reaching influence, but memristor is individually applied in analog circuit, realizes mathematics
In basic operation it is also fewer at home and abroad, therefore, the present invention is proposed with the diode Wen of FIRST ORDER GENERALIZED DISTRIBUTED PARAMETER memristor electricity
Based on bridge circuit, exponent arithmetic in analog circuit is realized, to apply sine wave RC oscillating circuits widely, with vibration
The wien-bridge oscillator for the advantages of relatively stable, waveform is good, frequency of oscillation can be continuously adjusted easily in wider scope is carried
A kind of platform is supplied.
Utility model content
The purpose of this utility model is to provide a kind of index device computing circuit based on memristor, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides following technical scheme：One kind is based on memristor index device computing electricity
Road, the memristor is made up of diode (1N4148), electric capacity and resistance, and diode 1N4148 realizes Wien bridge circuit function, electricity
Hold and resistance constitutes RC oscillating circuits；The positive pole of the diode D1 connects diode D4 positive pole, connects the input of memristor, institute
The negative pole for stating diode D1 connects electric capacity C0 one end, connects diode D2 negative pole, and the positive pole of the diode D2 meets diode D3
Negative pole, connect the output end of memristor, the negative pole of the diode D2 connects one end of electric capacity, and the negative pole of the diode D3 connects two
Pole pipe D2 positive pole, connects the output end of memristor, and the positive pole of the diode D3 connects diode D4 positive pole, connects the another of electric capacity C0
One end, ground connection, the positive pole of the diode D4 connects diode D3 positive pole, connects the electric capacity C0 other end, is grounded, the diode
D4 negative pole connects diode D1 positive pole, connects the input of memristor, and a terminating resistor R0 of electric capacity C0 one end is described
The electric capacity C0 another terminating resistor R0 other end, ground connection；Relationship below is drawn according to the circuit of diode Wien bridge circuit：
It is respectively Vm and Im, electric capacity C to set memristor two ends input voltage and electric current0Both end voltage is V0, its mathematical modeling
For：
Wherein, ρ=1/ (2nVT)；Is, n and VTDiode reverse saturation current, emission ratio and thermal voltage are represented respectively,
Thus, it is possible to derive that recalling for memristor leads expression formula and be
Index device computing circuit based on memristor is by triode, memristor and operational amplifier LF347BN (U6) compositions；
The negative input termination triode T2 of the operational amplifier LF347BN (U6) emitter stage, operation amplifier is connect by memristor Rm6
Device LF347BN (U6) output end, operational amplifier LF347BN (U6) positive input terminal ground connection, operational amplifier LF347BN
(U6) positive supply termination VCC, negative supply termination VEE, the colelctor electrode of the triode T2 connects the input of exponent arithmetic circuit,
The base stage of triode connects the input of exponent arithmetic circuit；Relationship below can be drawn according to the structure of exponent arithmetic circuit：
If the input voltage of exponent arithmetic circuit is Ui8, triode emission electrode current is IE2, Rm6 electric current on memristor
For IRm6, the output voltage of exponent arithmetic circuit is Uo6
According to computing circuit " empty short " and " void is disconnected ", the characteristic principle of triode is drawn：
Beneficial effect：The present invention is proposed based on the diode Wien Bridge Circuit of FIRST ORDER GENERALIZED DISTRIBUTED PARAMETER memristor, is realized
Exponent arithmetic in analog circuit, it is good compared with stable, waveform with vibration to apply sine wave RC oscillating circuits widely
The wien-bridge oscillator for the advantages of good, frequency of oscillation can be continuously adjusted easily in wider scope provides a kind of platform.
Brief description of the drawings
Fig. 1 is the index device computing circuit for realizing memristor.
Fig. 2 is diode Wien Bridge Circuit of the realization based on memristor.
Embodiment
Below in conjunction with the accompanying drawing 1-2 in the utility model embodiment, to the technical scheme in the utility model embodiment
It is clearly and completely described, a kind of index device computing circuit based on memristor, the memristor is by diode
(1N4148), electric capacity and resistance composition, diode 1N4148 realize Wien bridge circuit function, electric capacity and resistance composition RC concussion electricity
Road；The positive pole of the diode D1 connects diode D4 positive pole, connects the input of memristor, and the negative pole of the diode D1 connects electricity
Hold C0 one end, connect diode D2 negative pole, the positive pole of the diode D2 connects diode D3 negative pole, connects the output of memristor
End, the negative pole of the diode D2 connects one end of electric capacity, and the negative pole of the diode D3 connects diode D2 positive pole, connects memristor
Output end, the positive pole of the diode D3 connects diode D4 positive pole, connects the electric capacity C0 other end, is grounded, the diode
D4 positive pole connects diode D3 positive pole, connects the electric capacity C0 other end, and ground connection, the negative pole of the diode D4 connects diode D1's
Positive pole, connects the input of memristor, a terminating resistor R0 of electric capacity C0 one end, another terminating resistor of the electric capacity C0
The R0 other end, ground connection；Relationship below is drawn according to the circuit of diode Wien bridge circuit：
It is respectively Vm and Im, electric capacity C to set memristor two ends input voltage and electric current0Both end voltage is V0, its mathematical modeling
For：
Wherein, ρ=1/ (2nVT)；Is, n and VTDiode reverse saturation current, emission ratio and thermal voltage are represented respectively,
Thus, it is possible to derive that recalling for memristor leads expression formula and be
Index device computing circuit based on memristor is by triode, memristor and operational amplifier LF347BN (U6) compositions；
The negative input termination triode T2 of the operational amplifier LF347BN (U6) emitter stage, operation amplifier is connect by memristor Rm6
Device LF347BN (U6) output end, operational amplifier LF347BN (U6) positive input terminal ground connection, operational amplifier LF347BN
(U6) positive supply termination VCC, negative supply termination VEE, the colelctor electrode of the triode T2 connects the input of exponent arithmetic circuit,
The base stage of triode connects the input of exponent arithmetic circuit；Relationship below can be drawn according to the structure of exponent arithmetic circuit：
If the input voltage of exponent arithmetic circuit is Ui8, triode emission electrode current is IE2, Rm6 electric current on memristor
For IRm6, the output voltage of exponent arithmetic circuit is Uo6
According to computing circuit " empty short " and " void is disconnected ", the characteristic principle of triode is drawn：
uBE=Ui8
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (1)
1. the index device computing circuit based on memristor, it is characterised in that：The memristor by diode (1N4148), electric capacity and
Resistance is constituted, and diode 1N4148 realizes Wien bridge circuit function, electric capacity and resistance composition RC oscillating circuits；The diode D1's
Positive pole connects diode D4 positive pole, connects the input of memristor, and the negative pole of the diode D1 connects electric capacity C0 one end, connects two poles
Pipe D2 negative pole, the positive pole of the diode D2 connects diode D3 negative pole, connects the output end of memristor, the diode D2's
Negative pole connects one end of electric capacity, and the negative pole of the diode D3 connects diode D2 positive pole, connects the output end of memristor, two pole
Pipe D3 positive pole connects diode D4 positive pole, connects the electric capacity C0 other end, and ground connection, the positive pole of the diode D4 meets diode D3
Positive pole, connect the electric capacity C0 other end, be grounded, the negative pole of the diode D4 connects diode D1 positive pole, connect the defeated of memristor
Enter end, a terminating resistor R0 of electric capacity C0 one end, another terminating resistor R0 of the electric capacity C0 other end, ground connection；
Relationship below is drawn according to the circuit of diode Wien bridge circuit：
It is respectively Vm and Im, electric capacity C to set memristor two ends input voltage and electric current0Both end voltage is V0, its mathematical modeling is：
Wherein, ρ=1/ (2nVT)；Is, n and VTDiode reverse saturation current, emission ratio and thermal voltage are represented respectively, thus,
It can derive that recalling for memristor leads expression formula and be
Index device computing circuit based on memristor is by triode, memristor and operational amplifier LF347BN (U6) compositions；It is described
Operational amplifier LF347BN (U6) negative input termination triode T2 emitter stage, operational amplifier is connect by memristor Rm6
LF347BN (U6) output end, operational amplifier LF347BN (U6) positive input terminal ground connection, operational amplifier LF347BN (U6)
Positive supply termination VCC, negative supply termination VEE, the colelctor electrode of the triode T2 connects the input of exponent arithmetic circuit, three poles
The base stage of pipe connects the input of exponent arithmetic circuit；Relationship below can be drawn according to the structure of exponent arithmetic circuit：
If the input voltage of exponent arithmetic circuit is Ui8, triode emission electrode current is IE2, Rm6 electric current is I on memristorRm6,
The output voltage of exponent arithmetic circuit is Uo6
According to computing circuit " empty short " and " void is disconnected ", the characteristic principle of triode is drawn：
uBE=Ui8
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720133613.1U CN206574070U (en) | 2017-02-14 | 2017-02-14 | Index device computing circuit based on memristor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720133613.1U CN206574070U (en) | 2017-02-14 | 2017-02-14 | Index device computing circuit based on memristor |
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| Publication Number | Publication Date |
|---|---|
| CN206574070U true CN206574070U (en) | 2017-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720133613.1U Expired - Fee Related CN206574070U (en) | 2017-02-14 | 2017-02-14 | Index device computing circuit based on memristor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206574070U (en) |
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2017
- 2017-02-14 CN CN201720133613.1U patent/CN206574070U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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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: 20171020 Termination date: 20180214 |