Current voltage characteristics

Single electron transistor (SET) is a key element in current research area of nanoelectronics which can offer nano-feature size, low power consumption and high operating speed. SET could be promising alternative for MOSFET in the future.

7p vidoctorstrange 06-05-2023 10 2   Download

In this paper, I present first-principle calculations which are performed by using combination of DFT and NEGF methods to investigate the adsorption of CO2 and NH3 molecules on straight and U-shaped GNRs junctions. The density of state, molecular orbital, adsorption energy, transmission spectrum, and current-voltage characteristics were analyzed.

8p tamynhan6 14-09-2020 32 1   Download

In this chapter, we will discuss a more accurate equivalent circuit for a PV cell. This circuit helps us to have better prediction and understanding of PV cell current-voltage characteristics as well as at different types of load connected to the PV panel, which is made up of an array of PV cells. Later in this chapter we will discuss the concept of maximum power point tracker (MPPT).

18p vanthang122141 13-05-2011 100 16   Download

In this chapter, we will find out how to get the most solar energy out of the sun by considering the time, the altitude angle, the radiation and the photovoltaic (PV) materials. A simple PV model helps to understand the mechanism of energy conversion - solar to electricity. We will further use a simple equivalent circuit to represent a PV cell to investigate its current-voltage characteristics.

14p vanthang122141 13-05-2011 111 18   Download

VOLTAGE REGULATION A voltage regulator circuit automatically maintains the output voltage of a power supply constant, regardless of - a change in the load - a change in the source voltage ZENER DIODES The simplest of all voltage regulators is the zener diode voltage regulator. A zener diode is a special diode that p is optimized for operation in the g breakdown region. ZENER DIODE CIRCUIT The zener diode is typically connected reverse biased, in parallel with the load. Resistor Rs limits current to zener.

19p vankent 13-07-2010 183 21   Download

Physically, diodes are formed by the interface between two regions of oppositely doped semiconductor (i.e., pn junction) and are thus, structurally, the simplest semiconductor devices used in electronics. 1. Ideal Diode An ideal diode is a two-terminal device defined by the following non-linear (currentvoltage) iv-characteristic: i "electronic check valve" "arrowhead" i "brick wall" Anode + v - Cathode Reverse Bias "RB" Forward Bias "FB" Circuit Symbol 0 Forward Biased Regime (v0): Zero voltage drop occurs across a forward-biased ideal diode (i.e.

18p vankent 13-07-2010 87 10   Download