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The circuit in given Figure is the ac equivalent circuit of a series-series feedback amplifier.
Assume that the bias circuit, which is not shown, results in quiescent collector currents of IC1 = 0.5 mA, IC2 = 1 mA, and IC3 = 2 mA.
Assume transistor parameters of hF E = 120 and ro = ∞. Determine the transconductance transfer function Ag f = Io/Vs.
Consider a 4-bit unipolar binary-weighted D/A converter with v(1)= 1 V, V(0) = 0 V, and Rf= 8R. Obtain the analog output voltage for each of the digital inputs from 0000 to 1111
The problem has two parts(a and b) and it asks: Find the power and rms value of each of the following signals: a) x(t) = 5 + Ccos(ωot+θ) b) x(t) = 2+7cos(1/2t+θ1)+3cos(2/3t+θ2)+5cos(6t+θ3)
Design a datapath that consists of four four-bit, general-purpose registers and one four-bit processor status word (PSW) register. There are four status bits, carry, overflow, sign, and zero; these will be stored in the four bits of the PSW.
For a face centered cubic, the volume of a conventional unit cell is a^3 Find the volume of a fcc primitive unit cell with three basis vectors: (0,0,0 --> a/2,0,a/2) and (0,0,0 --> a/2,a/2,0), and (0,0,0 --> 0,a/2,a/2)
If an ac machine has the rotor and stator magnetic fields shown in Figure P3-1, what is the direction of the induced torque in the machine? Is the machine acting as a motor or generator?
A DC shunt motor is running at 1000rpm with terminal voltage 220V. - if terminal voltage is reduced to 110V find the speed of the machine.
Design first order and high-pass filter that has a gain of 10 and corner frequency of 0.05Hz. Verify your design using transfer function and frequency response.
A silicon p-n-p transistor has impurity concentrations of 5*10^18, 2*10^17, and 10^16 cm^-3 in the emitter, base, and collector, respectively. The base width is 1.0 um and the device cross-section area is 0.2 mm^2.
The photoelectric threshold wavelength for Tungsten is 2300 Å. Find the energy in eV of the emitted electrons from the surface by ultraviolet light of wavelength 1800 Å.
A three-phase, 60 Hz, six pole, wound rotor induction motor draws 10kw when driving its normal load. It draws 700 W when the load is diconnected. The rotor and stator copper losses under normal load are 295 W and 310 W respectively.
A cylindrical metal wire of radius r1 and conductivity of o1 has a core region of radius r2 replaced along the whole length with a metal conductivity of o2. Calculate the resistance of the wire, R, between the ends.
Consider a discrete time system whose output y[n] is given by y[n] = 5/6y[n - 1] - 1/6y[n - 2] with y[-1] = 0 and y[-2] = 1. Determine the response y[n] of this system for all n using complex domain (not time domain) analysis techniques involving ..
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