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Can you solve the problems in the attached file?? its Feedback control system course and the deadline 31/8/2014 10am
A BJT differnetial amplifier, biased to have re = 100 Ω and utilizing two 100 Ω emitter resistors and 5 kΩ loads, drives a second differential stage biased to have re = 50 Ω. All BJTs have β = 100. What is the voltage gain of the first stage
An a.c. voltage, V, comprises of a fundamental voltage of 100 V rms at a frequency of 120 Hz, a 3rd harmonic which is 20% of the fundamental, a 5th harmonic which is 10% of the fundamental and at a phase angle of 1.2
Calculate the armature current, total losses in the machine, and the I^2R losses in the armature. Help would be greatly appreciated as my calculations for Armature Current Ia is in my mind way too high, 480A. Then calculate the losses in the armat..
The toggle switch has been closed for two minutes. During the first 15 seconds after the closing of the toggle switch, pushbutton I2 was pressed four times. Describe what the status of the motor and the pilot light (PL) will be at the two minute m..
A three-phase, 5kVA, 208 V, four-pole, 60Hz, Y-connected synchronous generator has negligible stator winding resistance and a synchronous reactance of 8 ohms per phase at rated terminal voltage.
A 160-ft-diameter parabolic antenna is driven by a 10-W transmitter at 4.3 GHz. Calculate its effective radiated power (ERP) and its beamwidth.
a block (m=0.0433 kg) is sitting on a frictionless horizontal surface. The mass is connected to a spring with a spring constant of 24.5 N/m. The block is pulled back released from rest. The maximum acceleration of the block is 31.5 m/s^2.
Use Shannon's expansion theorem to implement the following function using a 2:1 MUX and other non-MUX gates you may need. LetZ be your select bit and manipulate the formula directly (i.e.don't use the graphical trick).
An AM modulator is operation with an index of 0.4. The modulation input is: m(t) = 4cos (3πfmt) + 2cos (5πfmt) + 4cos (7πfmt) What is the efficiency of the modulator Sketch the spectrum of the modulator output showing the weights of all impulse funct..
The unused states have to be taken care of in such a way that Even numbered unused states will go to state 7 and Odd numbered states will go to state 3. The combinational logic portion of the circuit should use NAND and NOT gates only.
Calculate the extraction efficiency (in percentage) of flat - surface LED without any encapsulation (emits directly into the air). The LED is fabricated from material with the refractive index n = 2.3.
The transfer equation is V_out/V_in. if you factor the second order polynomial what are the two first order polynomials. How do these compare with the first order filter. Has the -3db changed.
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