A digital circuit design method of heterogeneous dual-magnetron memristor model based on DSP Builder is presented
A technology of circuit design and memristor, which is applied in the field of memristor circuit design and simulation, can solve problems such as limiting the application of analog chaotic circuits
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Embodiment 1
[0057] Embodiment 1: Circuit design of heterogeneous magnetron memristor 1 .
[0058] For the magnetron memristor 1 constructed in step 1, the schematic diagram of its equivalent analog circuit is as follows Figure 6 As shown, it consists of 3 operational amplifiers, 2 multipliers, 1 capacitor and 5 resistors. The first stage operational amplifier U a circuit is used to avoid loading effects. The second stage with resistor R b and capacitance C a connected op amp U b The circuit is an integrator that implements the relationship that
[0059]
[0060] Level 3 with R c , R d and R e connected op amp U c circuit is a current inversion circuit, when R d = R e The following relationship can be realized when
[0061]
[0062] where g 1 , g 2 for multiplier A 1 ,A 2 scale factor.
[0063] Simultaneous equations (11) and (12), the equivalent memorization expression can be obtained as
[0064]
[0065] The parameter values of each component in the circuit ...
Embodiment 2
[0067] Embodiment 2: Circuit design of heterogeneous magnetron memristor 2
[0068] For the magnetron memristor 2 constructed in step 2, the schematic diagram of its equivalent analog circuit is as follows Figure 7 As shown, it consists of 4 operational amplifiers, 2 multipliers, 1 capacitor and 7 resistors. The first stage operational amplifier U d circuit is used to avoid loading effects. The second stage with resistor R g and capacitance C b connected op amp U e The circuit is an integrator. An inverting proportional amplifier is connected between the second stage and the third stage to realize output polarity inversion. Level 3 with R j , R k and R l connected op amp U g The circuit is a current inversion circuit.
[0069] The parameter values of each component in the circuit are respectively set as:
[0070] R f =750kΩ, R g = 632kΩ, R h = R i = 10kΩ, R j =83.3kΩ, R k =R l = 2 kΩ.
[0071] The analog multiplier adopts the model AD633JN device, the op...
Embodiment 3
[0072] Example 3: Numerical analysis of heterogeneous magnetron memristor chaotic system.
[0073] Select circuit parameters for equation (8) so that α=9, β=9, γ=5, R=0.1, ie c 1 =0.11,c 2 =0.11, L=0.2 and a=-1.2, b=3, c=0.9, d=2.7, then equation (8) becomes
[0074]
[0075] For the initial conditions of (0.001,0.01,0,0,0), the system (14) generates a double-scroll chaotic attractor, and its two-dimensional trajectory waveform on the phase plane is as follows Figure 4 shown.
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