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Consider a pn junction diode biased at I(D) = 1mA. A sinusoidal voltage is superimposed on V(D) such that the peak-to-peak sinusoidal current is 0.05I(D). Find the value of the applied peak-to-peak sinusoidal voltage if n = 1.5. Repeat problem for I(D) = 0.1mA.
An unknown semiconductor has a bandgap of 1.1eV and Nc = Nv. It is doped with 10^15 cm-3 donors where the donors fully ionized. Given that EF is 0.25 eV below Ec, calculate the concentration of electrons and holes in the semiconductor at 300 K and..
A Motorola 68000 microprocessor-based data acquisition system incorporates memory ( EPROMS and SRAMS), an Analog-to-Digital Converter (A/D), a Centronics Parallel Printer, and a very simple I/I Device made up of a single push-button switch.
If electrons are moving in the presence of an electric field and the field in turned off, do they continue to move or come to rest with zero velocity. When discussing the ganeration of electron/holes pairs by light in semiconductors is it best to ..
Consider an AlGaAs based heterostructure laser diode which has an optical cavity of length 200 microns. The peak radiation is at 870 nm and the refractive index of GaAs is about 3.7. What is the mode integer m of the peak radiation
A series-connected dc motor has RF+RA = .6 ohmns and draws IA = 40 A from the dc source voltage VT = 220 V, while running at 900 rpm. What is the speed for IA = 20 A Assume a linear relationship between IA and phi.
Message signal m(t) = 0.6sin(27r3000t + pi/9) For a carrier signal with amplitude Ac = 4,fc = 40MHz, What is the signal bandwidth if we use AM with ka = 0.7 DSB-SC FM with kf = 5000 - HZ/V
An analog LTIC system with impulse response function h(t) = u(t+1)-u(t-2) is presented with an input x(t) = t(u(t) - u(t-2)). (a). Determine and plot the system output y(t) = x(t)*h(t)
design a combinational circuit that, when given a 3-bit binary number as an input, will produce a binary number equal to the square of the input number as an output. Find the simplest expression for the outputs using K-maps.
Given an object with a mass of 55 lbm, who starts at rest but experiences a constant horiz. force due to resultant force applied for 10 seconds. The work of the resultant force is 7,782 lbf*ft.
Determine the requirements of the digital fiters needed and design and write the dierence equations for the digital fiters.
Design a bandpass filter of 'Sallen and Key' topology and having the following characteristics fo = 3.3 kHz, Q = 2.2
What is the inverse Laplace transform of 32/s(s^2+64). Please show all work.
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