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In a certain audio recording system, it is desired to be able tomix two signals v1 and v2 and provide an adjustment for the levelof each. The desired sum v(output) will be of the formv(o)=k1v1+k2v2 where k1 ans k2 are each adjustable from 0 to +10. Two 0-100K ohm potentiometers are available. Using no more thanthree op-amps, design a circuit to perform the desired function.The input impedance of each channel should be no less than 10K ohm.
A self-excited DC shunt generator is delivering 20 A to a 100-V line when it is driven at 200 rad/s. It is known that Ra=1.0 ohms and Rf=100 ohms. When the generator is disconnected from the line, the drive motor speeds up to 220 rad/s
Design a state variable two-pole band-pass filter with a geometric center frequency of 2KHz and a 3dB bandwidth of 20 Hz and the tuning resistances need to be 10Kohms each.
The following MATLAB command has been used to perform offline filtering y=filter([0.8 -0.8],[1 -0.3],x); Where x and y are the input and output vectors, respectively. What is the transfer function of the filter
A ball is thrown upwards with a velocity of 31 m/s at an angle of 35.5 to the horizontal from a point which is 8 m above ground level. Find: 1) The greatest height reached, above the point of projection
you have a RC circuit with an unknown capacitor. You have a 20V source and a 33k ohm resistor. the question states. The voltage Vc for the network has risen to 16V 5seconds after the switch was closed. Determine the value of C in microfarads.
The value of Q is 1 if and only if the number of 1's in the sequence of input P is not divisible by 2 and not divisible by 3. Otherwise, the output value Q is 0. Draw a state transition diagram for the state machine using as few states as possible..
At what tempurature will intrinsic silicon become a conductor based on the definition resistivity
If you have a coil consisting of 500 turns on a magnetic core with a cross-sectional area of 0.35 inch, and a permeability rating of750, and the coil is 1.5 inches long, what is the inductance
An analog LTIC system with impulse response function h(t) = u(t+1)-u(t-2) is presented with an input x(t) = t(u(t) - u(t-2)). (a). Determine and plot the system output y(t) = x(t)*h(t)
A 2000 KVA, 4800-600V, 60 Hz, core type transformer operating at no load in the step down mode draws a magnetizing current equal to 2 percent rated current. The core has a mean length of 3.15 m, and is operating at a flux density of 1.55 T.
A computer has a word length of 8 bits (including) sign. If2's complement is used to represent negative numbers, what range of integers can be stored in the computer If 1's complement is used
A proportional control system id to be used to control the wing flaps of a jet airplane. The wind load is expected to cause as much as 600 in*lb of torque. The system should be able to keep the flaps to within 5 degrees of the set point.
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