We investigate a modified Murali-Lakshmanan-Chua(MLC) circuit in which the Chua’s diode is replaced with a negative conductance and pair of diode as a nonlinearity. The dual nature of this circuit exhibiting the rich dynamics of both the MLC circuit and the Duffing van der Pol is also explored. The performance of the circuit is investigated by means of laboratory experiments, numerical integrat...

The use of a novel inexpensive photometric device, a paired emitter-detector diode (PEDD) has been applied to the colorimetric determination of phosphate using the malachite green spectrophotometric method. The novel miniaturized flow detector applied within this manifold is a highly sensitive, low cost, miniaturized light emitting diode (LED) based detector. The optical flow cell was construct...

   This paper presents a novel design of quaternary logic gates using graphene nanoribbon field effect transistors (GNRFETs). GNRFETs are the alternative devices for digital circuit design due to their superior carrier-transport properties and potential for large-scale processing. In addition, Multiple-valued logic (MVL) is a promising alternative to the conventional binary logic design. Sa...

As the technology scales down the leakage current in the circuit increases due to reduction in threshold voltage and Negative Bias Temperature Instability (NBTI) producing aging effect in the circuit. Leakage current and NBTI strongly depends on Input Vector Control Technique (IVC) , but IVC is not effective for larger circuits. Therefore in this paper two new designs (1)Ultra low power diode b...

Abstmct-The noise equivalent circuit of a semiconductor laser diode is derived from the rate equations including Langevin noise sources. This equivalent circuit allows a straightforward calculation of the noise and modulation characteristics of a laser diode combined with electronic components. The intrinsic junction voltage noise spectrum and the light intensity fluctuation of a current driven...

For the diode circuits shown in Figure 1, consider the diodes to be ideal. The input voltage vI given to the circuit is a sinusoid with a peak value of 6V and frequency 2kHz. For each circuit (a) Derive the expression for the transfer characteristic vO versus vI for the circuit. (b) Plot the transfer characteristic vO versus vI indicating the values of all significant points and the values of t...

A novel memristor circuit is presented, which is generated from the canonical Chua’s circuit by replacing the Chua’s diode with a first order memristive diode bridge. The circuit dynamical characteristics with the variations of circuit parameters are investigated both theoretically and numerically. It can be found that the circuit has three determined equilibrium points, including a zero saddle...

a new output structure for class e power amplifier (pa) is proposed in this paper. a series lc resonator circuit, tuned near the second harmonic of the operating frequency is added to the output circuit. this resonator causes low impedance at the second harmonic. the output circuit is designed to shape the switch voltage of the class e amplifier and lower the voltage stress of the transistor. t...

In this paper, we propose a new circuit topology for creating complex logic circuits in GaAs. Latched Differential FET Logic (LDFL) is a fully differential logic family that provides complex logic function capability, tolerance to threshold voltage variations and complementary, latched-function outputs. LDFL is capable of performing up to eleven levels of logic in one gate, while still giving e...