Current mode chaotic oscillator

A current mode and oscillator technology, applied in power oscillators, electrical components, etc., can solve the problems of maximum output voltage limitation, voltage mode circuit dynamic range limitation, chaotic signal bandwidth limitation, etc.

Inactive Publication Date: 2014-09-24
TAIYUAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing chaotic oscillators based on RC circuits are all based on voltage-mode circuits, and the maximum output voltage is limited by the power supply voltage, especially in analog-digital hybrid integrated circuits.
As the supply voltage decreases, the dynamic range of the voltage mode circuit is more easily limited
In addition, the bandwidth of the chaotic signal generated by the voltage mode circuit is largely limited by the use of operational amplifiers

Method used

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Embodiment Construction

[0024] The implementation of the present invention is illustrated by specific specific examples below, and those skilled in the art can easily understand other effects and characteristics of the present invention through the content disclosed in this specification.

[0025] The structures, sizes and proportions shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to read and understand, and are not used to limit the limited conditions that the present invention can be implemented , so it has no technical substantive significance, any modification of structure, change of size and adjustment of proportional relationship should still fall within the scope covered by the technical content disclosed in the present invention. In addition, terms such as "upper", "lower", "left", "right" and "one" quoted in this specification are only for the convenience of description an...

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Abstract

The invention relates to the technical field of micro-electronics and solid-state electronics, in particular to a current mode chaotic oscillator. The current mode chaotic oscillator comprises a first Venn type current mode sine oscillation circuit, a second Venn type current mode sine oscillation circuit and a nonlinear link. After passing through the nonlinear link, output signals of the first Venn type current mode sine oscillation circuit are coupled with output signals of the second Venn type current mode sine oscillation circuit, so that continuous chaotic oscillation signals are obtained. The current mode chaotic oscillator is suitable for being obtained on a single integrated circuit chip and is compact in structure, low in power consumption, and low in voltage. Due to the fact that a current conveyer is used as an active device, the current mode chaotic oscillator has the advantages of being large in frequency bandwidth, high in speed, resistant to noise, and high in practical value. Meanwhile, due to the fact that the symmetry of circuit design of the current mode chaotic oscillator is quite high, the chaotic characteristics of the output signals have high robustness to process change.

Description

technical field [0001] The invention relates to the technical fields of microelectronics and solid electronics, in particular to a current mode chaotic oscillator. Background technique [0002] Chaos is a pseudo-random phenomenon generated by a definite nonlinear system, which has initial value sensitivity and broadband characteristics. Because simple nonlinear dynamical systems can produce complex dynamical behaviors, chaos has been widely used in information engineering fields such as information encryption, secure communication and chaotic radar. The chaotic signal source is the premise of the chaotic application, and its circuit realization and the characteristics of the chaotic signal generated are the focus of research and the basis of practical application. [0003] As a chaotic signal source, the chaotic oscillator has the advantage that the chaotic signal can be directly generated by a simple circuit, and the generated chaotic signal can meet the actual needs b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03B5/18
Inventor 贾华宇郭燕
Owner TAIYUAN UNIV OF TECH
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