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design a bias-stable common emiter amplifier circuit whose output is capacitively coupled to a load resistor RL = 10KΩ using a 20V power supply. The Minimum small signal voltage gain should be -20V/V. Assume the following parameters for the transistor in your design: β=180, VBE = .7V, and |Va|=∞.
A communications channel has a bandwidth of 2,000 Hz and a signal-to noise-ratio (SNR) of 20 dB. What is the maximum possible data rate
A shunt regulator utilizing a zener diode is biased on through a 100 resistor. Determine the change in the regulated output voltage for the two situations below: a) VI changes +2.0 V, ILoad constant b) ILoad changes +100 mA, VI constan..
A power company supplies 75 kW to an industrial load. The load draws 120 Arms from the transmission line. If the load voltage is 440 Vrms and the load power factor is 0.8 lagging, find the losses in the transmission line.
Write the logic equation for Y in terms of A,B,C that solves this problem, and draw the gate-level diagram.
Memory storage and bit density, A hard disk contains four Platters. Each side of the platter is coated with a magnetic oxide, allowing data to be stored on it. The platters are 3.5 inches in diameter.
The voltage across a certain load is V =1200*sqrt(2)*30 V, and the load impedance given by Z = 40 j30 ohms . Is the load inductive or capacitive Determine the power factor, complex power, real power, reactive power, and apparent power delivered to..
A 1 lb weight is suspended from a 0.005 in diameter wire. The unstrained resistance of the wire, R0, is 270 ohm, and its unstrained length is L0=36 in. The wire's gauge factor is 3.2. a. Calculate the psi tensile stress on the loaded wire.
A 9 GHz parallel polarized wave with an amplitude of 20 V/m is obliquely incident from air (z 0). Theta_i equals a 60-degree angle of incidence.
A conductor 1 cm long is oriented parallel to the z axis a distance r = 25 cm from the origin and rotates at a speed of 1200 revolutions / minute. Find the voltage induced in the conductor if the driver rotates
a square plate of 50x50 pixels size placed at the origin of the x-y plane of a camera coordinate system is sheared vertically so that the point (49,0) moves to (49,10), and then rotated by 30 degrees.
An insurance company has made you the following retirement offer. If you pay them $100,000 now, you will receive payments of $8000 a year for 10 years. After this they will pay you $9000 a year in perpetuity (for ever).
a) Describe the components and variables of the biological control apparatus involved in walking toward an object that can be seen on the horizon b) Why is walking a closed-loop operation
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