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Device physics of diodes, BJTs and MOSFETs. Nonlinear transistor models: Ebers-Moll, transport. Full and simplifiedmodels of BJTs and MOSFETs (inc. small-signal models). Zener andSchottky diodes. DC biasing, biasing using current sources,operating point, large-signal analysis. Linearisation, small-signal analysis. Input- and output impedances, power gain. Two-ports.Feed-back, effects of feed-back; stability and compensation techniques. Circuits with non-ideal op-amps. Common base, emitterand collector amplifiers; differential pairs. Multistage amplifiers, cascades, cascodes. AC response of 1-stage amplifiers,Miller effect. Output stages, thermal considerations, heat sinks.Non-linear circuits: oscillator, Schmitt trigger. A-D and D-A converter principles. Introduction to power supply design: linear and switched-mode; battery charger.
A diode is measured to pass 0.31mA at 0.70V forward bias, and 1.12mA at 0.75 V forward bias. What are its n and Is. Assume that kT/q=0.026V. For extra credit, if the diode passes 4mA at 0.9V forward bias, what is its forward parasitic resistance
Determine the Voltage across the electrical model of a cell membrane in a nerve cell
(b) Calculate the power dissipated in the MOSFET when the lamp is operating at its rated current. (c) The maximum output current available from the logic system is 30mA. Explain why an NPN transistor would be unsuitable for this appli..
Polonium (Po) is the only material which forms a simple cubic crystal (i.e., it is not FCC or BCC) structure with atoms at the corner positions. It is a metal (but it is radioactive so it has very few engineering applications!). Its atomic number ..
The springs effect is addressed below. As a relay some contacts are connected to, and move with, the armature. Other contacts are stationary and would make or break contacts as the armature moves.
Turbines at the Conowingo plant on the Susquehanna River each develop 54,000 hp at 82 RPM under a head of 89 feet. What is the turbine type Estimate flow rate of each turbine.
determine the power components of the combination of three individual loads specified as follows: (Load 1)250VA and pf = 0.5lagging; (Load 2) 180 W and pf=0.8 leading; (load 3) 300VA and 100Ar lagging
In electric motor delivers 23 hp of mechanical power into a load it runs on single phase 440 VAC and is 83 percent efficient its running power is .77 and the starting current is 70 percent higher than its running current
An NRZ-L signal is passed through a filter with r = 0.5 and thenthen modulated onto a carrier. The data rate is 2400 bps Evaluate the bandwidth for ASK and FSK. For FSK assume that the twofrequencies used are 50kHz and 55kHZ.
write an 8051 program that would generate a 200khz, 50% duty cycle, square wave at P1.0.Use Timer 0 for the delay. Ignore the overheads cycles due to the instructions in the loop. Assume 12 MHz clock. All data must be hex.
Design a 3 th order high - pass Butterworth filter with a High Frequency gain of 20 DB and a cutoff frequency of 20 rad/s. 2) Using MATLAB, plot the frequency respon se of this filter, and the location of the filter poles.
Suppose a certain causal signal f(t) has a Laplace transform F(s) = 1. If f(t) is sampled at times kT where T is a constant time interval and integer k>=0, what are the sample values
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