摘要:
An N-shaped nonlinear resistor circuit using floating gate MOSFETs; to realize various N-shaped characteristics that can be approximated by piecewise linear functions of third to seventh orders and further to realize N-shaped V-I characteristics that can variously change those characteristics by use of external voltages. A Λ-type nonlinear resistor circuit (1) and a V-type nonlinear resistor circuit (2) using multi-input floating gate MOSFETs are connected in parallel, and the currents of the Λ-type and V-type nonlinear resistor circuits are added together, thereby providing various N-shaped voltage-current characteristics.
摘要:
An N-shaped nonlinear resistor circuit using floating gate MOSFETs to realize various N-shaped characteristics that can be approximated by piecewise linear functions of third to seventh orders and further to realize N-shaped V-I characteristics that can variously change those characteristics by use of external voltages. A Λ-type nonlinear resistor circuit (1) and a V-type nonlinear resistor circuit (2) using multi-input floating gate MOSFETs are connected in parallel, and the currents of the Λ-type and V-type nonlinear resistor circuits are added together, thereby providing various N-shaped voltage-current characteristics.
摘要:
There is provided a multi-screw chaotic oscillator circuit with simple configuration, that can use various multi-hysteresis VCCS characteristics and generate a variety of multi-screw attractors. The multi-screw chaotic oscillator circuit comprises: a linear two-port VCCS circuit 1 consisting of a set of linear VCCS circuits G1 and G2; a multi-hysteresis two-port VCCS circuit 2 consisting of a set of multi-hysteresis VCCS circuits MH1 and MH2 having multi-hysteresis characteristic; and capacitors C1 and C2 connected to each end of a circuit configured by parallel-connecting the linear two-port VCCS circuit 1 and the multi-hysteresis two-port VCCS circuit 2.
摘要:
A multi-hysteresis voltage controlled current source system having a variety of multi-hysteresis characteristics is provided. In the multi-hysteresis voltage controlled current source system, single-hysteresis voltage controlled current source circuits 21, 22, . . . 2N as fundamental components are connected in parallel, and a differential input voltage vid is applied to the single-hysteresis voltage controlled current source circuits 21, 22, . . . 2N, so that a plurality of discrete values of current can be output based on the single-hysteresis voltage controlled current source circuits 21, 22, . . . 2N.
摘要:
There is provided a data conversion method based on β-map suited for an A/D converter or chaos generator, that is adapted to an integrated circuit and capable of providing stable operation of the circuit. The data conversion method based on scale-adjusted β-map includes a discrete time integrator 1 having an amplification coefficient s(1−β) and a damping factor β, a quantizer 2connected in series to the discrete time integrator 1, and a feedback circuit 3 connected from an output of the quantizer 2 to an input of the discrete time integrator 1.
摘要:
There is provided a multi-screw chaotic oscillator circuit with simple configuration, that can use various multi-hysteresis VCCS characteristics and generate a variety of multi-screw attractors. The multi-screw chaotic oscillator circuit comprises: a linear two-port VCCS circuit 1 consisting of a set of linear VCCS circuits G1 and G2; a multi-hysteresis two-port VCCS circuit 2 consisting of a set of multi-hysteresis VCCS circuits MH1 and MH2 having multi-hysteresis characteristic; and capacitors C1 and C2 connected to each end of a circuit configured by parallel-connecting the linear two-port VCCS circuit 1 and the multi-hysteresis two-port VCCS circuit 2.
摘要:
A nonlinear resistor circuit utilizes capacitively-coupled multi-input MOSFETs in order to enable integration thereof by a standard CMOS process, and which can realize two types of nonlinear resistance characteristics; i.e., A-type and V-type nonlinear resistance characteristics. The circuit includes a core circuit which comprises enhancement-type N-channel and P-channel MOSFETs with source terminals being connected with each other.
摘要:
There is provided a data conversion method based on negative β-map suited for an A/D converter or chaos generator, that is adapted to an integrated circuit and capable of providing stable operation of the circuit. The data conversion method based on negative β-map includes a discrete time integrator 1 having an amplification coefficient s and a damping factor β, a quantizer 2 connected in series to the discrete time integrator 1, and a feedback circuit connected from an output of the quantizer 2 to an input of the discrete time integrator 1.
摘要:
A multi-hysteresis voltage controlled current source system having a variety of multi-hysteresis characteristics is provided. In the multi-hysteresis voltage controlled current source system, single-hysteresis voltage controlled current source circuits 21, 22, . . . 2N as fundamental components are connected in parallel, and a differential input voltage vid is applied to the single-hysteresis voltage controlled current source circuits 21, 22, . . . 2N, so that a plurality of discrete values of current can be output based on the single-hysteresis voltage controlled current source circuits 21, 22, . . . 2N.
摘要:
There is provided a data conversion method based on negative β-map suited for an A/D converter or chaos generator, that is adapted to an integrated circuit and capable of providing stable operation of the circuit. The data conversion method based on negative β-map includes a discrete time integrator 1 having an amplification coefficient s and a damping factor β, a quantizer 2 connected in series to the discrete time integrator 1, and a feedback circuit connected from an output of the quantizer 2 to an input of the discrete time integrator 1.