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Sallen-Key HPF circuit based on diode bridge memristor

A diode bridge and memristor technology, which is applied in the field of chaotic system signal generators, can solve the problems of high cost and difficult physical realization of memristors.

Pending Publication Date: 2019-09-27
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the physical realization of memristor is difficult and the cost is high, and its nonlinear characteristics can be realized by using circuit components such as capacitors, inductors, and operational amplifiers.

Method used

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  • Sallen-Key HPF circuit based on diode bridge memristor
  • Sallen-Key HPF circuit based on diode bridge memristor
  • Sallen-Key HPF circuit based on diode bridge memristor

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Embodiment Construction

[0027] The present invention will be described in detail in conjunction with accompanying drawing now. This figure is a simplified schematic diagram only illustrating the basic structure of the present invention in a schematic manner, so it only shows the components relevant to the present invention.

[0028] Such as figure 1 Shown, a kind of Sallen-Key HPF circuit based on diode bridge memristor of the present invention, comprises operational amplifier U, resistance R 1 , resistance R 2 , resistance R 3 , resistance R 4 , capacitance C 1 , capacitance C 2 , capacitance C 3 , negative resistance-R and generalized memristive simulator W, where the resistance R 1 One end is connected to the inverting input end of the operational amplifier U, denoted as terminal c, and the resistance R 1 The other end is marked as d end, the resistance R 2 Connect one end to terminal c, resistor R 2 The other end is connected to the output end of the operational amplifier U, denoted as ...

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PUM

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Abstract

The invention provides a Sallen-Key HPF circuit based on a diode bridge memristor. The Sallen-Key HPF circuit comprises three parts, namely a Sallen-Key HPF circuit, a diode bridge memristor and an active RC filter circuit. The Salen-Key HPF circuit and the active RC filter circuit are coupled together through the diode bridge memristor. The circuit is a novel memristor chaotic circuit and is used for generating chaotic oscillation signals.

Description

technical field [0001] The invention relates to the technical field of chaotic system signal generators, in particular to a Sallen-Key HPF circuit based on a diode bridge memristor. Background technique [0002] The Sallen-Key filter is a filter composed of a single operational amplifier and a resistor proposed by R.P.Sallen and E.L.Key in 1995. It can be designed as a low-pass or high-pass filter as required. As the basic element of the fourth circuit, memristor can be widely used in various engineering fields due to its natural nonlinearity and plasticity, combined with other circuit elements. However, the physical realization of memristor is difficult and the cost is high, and its nonlinear characteristics can be realized by using circuit components such as capacitors, inductors, and operational amplifiers. Based on this, the present invention uses a diode bridge and an RC passive filter to construct a generalized memristor, and the input port of the circuit will exhibit...

Claims

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Application Information

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IPC IPC(8): H04L9/00
CPCH04L9/001
Inventor 武花干叶亿包伯成
Owner CHANGZHOU UNIV
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