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Determine the transfer function of the second-order (2 poles) lowpass Butterworth filter with a 3-dB cutoff frequency of 5 kHz. Design it using the Sallen-Key lowpass filter configuration, find all the values of the circuit elements, and draw the circuit. What is the DC gain?
Assume that an antenna has a power input of 50 W and a gain of 30 dB relative to an isotropic radiator. Determine the increase in dB of the received signal at a point where the signal strength is 5 dB below the level of maximum radiation
A transmission line has a resistance of 0.001 pu , and 0.01 p.u reactance. Voltages at the both ends (p and q) of the transmission line are 1.0p.u each. Angle at bus "p" is 45o and the angle at bus " q" is 30o.
Suppose that a public address system emits sound uniformly in all directions and that there are no reflections. The intensity at a location 26 m away from the sound source is 3.0 × 10-4 W/m2. What is the intensity at a spot that is 72 m away
a) What is the total resistance corresponding to 1kohm, 4kohm, 10kohm, 4.7kohm resistors connected in series b) What is the total resistance corresponding to 10ohm, 100ohm, 1kohm, 10kohm resistors connected in parallel
A microcontroller manufacturer, Agduino, offers a single product which is produced at two different plants. The first plant located in college station produces 2/3 of the microcontrollers. The remaining microcontrollers come from Austin.
The DC machine rotates at 1500 RPM and it delivers rated current at rated terminal voltage. The field winding is connected to a 120 V supply. Find the value of the field current and the value of R (field control resistance) required.
In a 120V compound generator, the resistances of the armature shunt and series windings are 0.06 ohm, 25 Ohm, and 0.04 Ohm respectively. The load current is 100A at 120V, find the induced EMF and the armature current of the generator.
Consider a half-wave rectifier circuit with a triangular wave input of 5-V peak to peak amplitude and zero average, and with R=1kΩ. Assume that the diode can be represented by the constant-voltage-drop model with Vd=0.7V. Find the average value of..
Sketch the Bode plot (including the magnitude response and phase response) of a continuous- time LTI (Linear Time-Invariant) system described by the following transfer function: \(H(s) = 5(s + 2)/s^{2}(s + 10)\)
Begin with a breadboard, wire, an RGB LED and some resistors. Using the forward voltages given in the RGB LED datasheet, calculate the correct current-limiting resistors needed to light each color of the LED (assuming VDD = +5V).
he peak voltage supplied to an AC circuit is 20 V. The peak current is 2.5 A. The angle between the voltage and current is 30 degrees. What is the power in Watts supplied to the circuit 4. The rms voltage supplied to an AC circuit is 24 V.
Determine for each of following 4 signals if it is bandlimited and, if yes, find the minimum sampling rate without causing aliasing. (a) x1(t) = cos(500pt) + sin(700pt); (b) x2(t) = sin2(50pt);
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