New RC chaos generators that utilize the second-generation current conveyor
(CCII) as the active building block are presented. The very small input re
sistance associated with the current conveyor low-impedance input terminal
is shown to be responsible for stimulating the circuits' chaotic nature. Th
e proposed chaotic oscillators originate from two sinusoidal oscillator cir
cuits which are modified for chaos by replacing one of the linear resistors
with a nonlinear resistor of antisymmetric current-voltage characteristics
and adding a single capacitor. The elementary linear design equations of t
he sinusoidal oscillators are used as a start paint for chaos modification
to estimate all component values and identify tunable elements, mathematica
l models of the proposed generators are derived and further modified to dem
onstrate chaotic behavior with odd symmetrical nonlinearities. Suitability
for VLSI integration is discussed. PSpice circuit simulations, numerical si
mulations of the derived models, and experimental results are included.