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The upper critical frequency of an op-amp's open-loop response is 200 Hz. If the midrange gain is 175,000, what is the ideal gain at 200 Hz? What is the actual gain? What is the opamp's open-loop bandwidth?
Consider a portable 20cm2 fuel cell operating at 0.75V, 0.6 A/cm2. Suppose the stoichiometry of the anode is 2.0 and that of the cathode is 2.3. The fuel cell is expected to run for 3 days before being recharged.
Determine the input-transformer turns ratio to provide optimum noise performance.
A half-wavelength antenna is made of copper wire with conductivity a = 5.7 x 107 Sim. The antenna is 3-mm thick and 1.5-m long. Calculate the impedance of the antenna and its efficiency when radiating in free space.
t uses four diodes, each of which can be modeled to have a 0.7-V drop for any current. What is the peak value of the rectified voltage across the load. For what fraction of a cycle does each diode conduct.
Design a 0-1-2-3-0 counter circuit using flip flops. Flip flop A (most significant bit) is to be a T flip flop and Flip Flop B (leats significant bit) is to be a D flip flop.
Please answer those Questions : What are the issues created by short/fault current ? Mention some approaches develop more accurate system to deal with short circuit .
A system (circuit) is governed by the differential equation: L dx/dt - L dy/dt = Ry(t) where x(t) is the input and y(t) is the output and L and R are an inductor and resistor. Find the complex frequencies associated with the system (circuit).
Determine the characteristic impedance and the propagation constant of the line at 60 Hz and 50° C temperature
Develop a series 90-30 program that functions a motor forward/reverse controller.. Design your circuit so that the stop push button must be pressed before the motor can switch direction. Also incorporate a 5 second delay to inhibit restart after the ..
A combinational circuit that generates the square of all the combinations of a 3-bit binary number is to be implemented using a PLA. Show the program table for implementing the circuit using the format shown in the text.
The per-phase impedance of a 600-V, three-phase, Y-connected synchronous motor is 5 + j50 Ω. The motor takes 24 kW at a leading power factor of 0.707. Determine the induced voltage and the power angle of the motor.
Three amplifiers with power gains of 15, 22 and 7 ate cascaded. The input power is 120 micro-W. What is the output power of the final amplifier stage
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