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The parameters of the op-amp in the circuit shown in given figure are Av = 105, Ri = 30 k Ω, and Ro = 500 Ω.
The transistor parameters are hFE = 140 and VA = ∞. Assume that vO = 0 at the quiescent point.
Determine (a) Av f , (b) Ri f , and (c) Rof.
Using the results of (1) design a resistive network with an equivalent resistance of 3 kohms using 2 resistors with the same value from those: 1k, 1.2k, 1.5k, 1.8k, 2.2k, 2.7k, 3.3k, 3.9k, 4.7k, 5.6k, 6.8k. Find an expression for the equivalent res..
an electrical conductor designed to carry large currents has a circular cross section 2.50 mm in diameter and is 14.0 m
A linear circuit has a capacitance of 1.0 mF and an inductor of 1.0 µH. If the frequency response of the voltage gain should stay the same and the capacitor is scaled to 70 µF, what should the value of the inductor be
Determine the number of coulombs of charge produced by a 12 A battery charger in an hour. A lightning bolt carrying 20,000 A lasts for 70*10^-6 s. If the lightning strikes a tractor, determine the charge deposited on the tractor if the tires are a..
Design an experiment that allows frequencies between 300-3300 Hz to pass with a 14 dB gain. At f = 10 KHz and f = 100 Hz, the gain should be -16 dB. Use a cascaded design consisting of first and second order Butterworth sections.
The signal x(t) consists of sum of two components, x1(t) and x2(t). The signal x(t) is bandlimited to 40 kHz, and it is sampled at a rate of 100 Khz to yield the sequence x(n). It is desired to suppress the signal x2(t) by passing the sequence x(n) t..
Disign a system that calculates the difference between two signed 8-bit values A and B and return that difference D (which is an 8-bits output). For example; A=8, B=2, D=6; A= -(2), B=7, D=9; A= -(1), B= -(3), D=2.
Using the Z transform of aku[k] and the Euler formulas, find the Z transforms of: - sin(ωTk) - ak sin(ωTk).
The concern is not just for the time-to-cool, but also for the maximum temperature difference within the plate. If this temperature difference is too large, the plate can experience significant warping.
Design a proportional-integral (PI) controller (recommend to use matlab siso toolbox) so that phase margin of the loop transfer function should be over 35o, and the crossover frequency is no larger than 10kHz. Provide the close loop bode plot (with..
Determine the time constant of the circuit. - Write the mathematical equation for the voltage vC following the closing of the switch.
Given that electric heater that has min power rating of 250 watt is supplied from 117VAC (or RMS outlet), how much current will it draw from outlet (measured in AC amperes or RMS). Design an electric heater with these requirements .
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