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Artículo
10mhz cmos ota-c voltage-controlled quadrature oscillator
(Institution of Engineering and Technology, 1989)
A quadrature-type voltage-controlled oscillator with operational transconductance amplifiers and capacitors (OTA-C) is presented. A monolithic integrated CMOS test circuit is introduced to verify theoretical results. The ...
Artículo
Chaos via a piecewise-linear switch ed-capacitor circuit
(Institution of Engineering and Technology, 1987)
A nonlinear switched-capacitor circuit that generates chaotic signals is reported. The circuit is described by a first-order piecewise-linear discrete equation that exhibits a chaotic dynamics. Experimental results ...
Artículo
Nonlinear switched-current CMOS IC for random signal generation
(Institution of Engineering and Technology, 1993)
A nonlinear switched-current circuit is presented that implements a chaotic algorithm for the generation of broadband, white analogue noise. The circuit has been fabricated in a double-metal, single-poly 1.6µm CMOS technology ...
Artículo
CMOS 2.4μm chaotic oscillator: Experimental verification of chaotic encryption of audio
(Institution of Engineering and Technology, 1996)
The Letter reports the first experimental verification of chaotic encryption of audio using custom monolithic chaotic oscillators. We use Gm-C techniques to realise a chaotic modulator/ demodulator IC that implements a ...