China Wholesale Voltmeter Factory – LEEM-12 Nonlinear Circuit Chaotic Experimental Apparatus – Labor

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China Wholesale Voltmeter Factory – LEEM-12 Nonlinear Circuit Chaotic Experimental Apparatus – Labor Detail:

Note: oscilloscope not included

The study of nonlinear dynamics and its related bifurcation and chaos has been a hot topic in the scientific community in recent 20 years. A large number of papers have been published on this topic. Chaos phenomenon involves physics, mathematics, biology, electronics, computer science, economics and other fields, and is widely used. Nonlinear circuit chaos experiment has been included in the new general physics experiment syllabus of comprehensive university. It is a new basic physics experiment opened by science and engineering colleges and welcomed by students.

Experiments

1. Use RLC series resonance circuit to measure the inductance of a ferrite material at different currents;

2. Observe waveforms generated by a LC oscillator on an oscilloscope before and after RC phase-shifting;

3. Observe phase figure of the above two waveforms (i.e. Lissajous figure);

4. Observe periodic variations of the phase figure by adjusting the resistor of the RC phase shifter;

5. Record phase figures of bifurcations, intermittency chaos, triple times period, attractor, and double attractors;

6. Measure V-I characteristics of a nonlinear negative resistance device made of a LF353 dual op-amp;

7. Explain the cause of chaos generation using the dynamics equation of nonlinear circuit.

Specifications

Description	Specifications
Digital voltmeter	Digital voltmeter: 4-1/2 digit, range: 0 ~ 20 V, resolution: 1 mV
Nonlinear element	LF353 dual Op-Amp with six resistors
Power supply	± 15 VDC

Part List

Description	Qty
Main unit	1
Inductor	1
Magnet	1
LF353 Op-Amp	2
Jumper wire	11
BNC cable	2
Instruction manual	1

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