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If the equivalent series resistance of the capacitor in the buck converter is 0.5 ohm , recompute the output voltage ripple. (b) Recompute the required capacitance to limit the output voltage ripple to 0.5 percent if the ESR of the capacitor is given by rC 50(10)6/C, where C is in farads.
Design a buck converter to produce an output voltage of 18 V across a 10- load resistor. The output voltage ripple must not exceed 0.5 percent. The dc supply is 48 V. Design for continuous inductor current. Specify the duty ratio, the switching frequency, the values of the inductor and capacitor, the peak voltage rating of each device, and the rms current in the inductor and capacitor. Assume ideal components.D=.375, L=97.5uH, C = 100uF, F=40KHz, IL = 1.8A
a) Determine the range of load resistances over which the circuit gives a constant Vout if Rs = 1500 kilo ohms and Vs = 150V. Assume the diode breakdown voltage is 100V and the maximum rated current is 100 mA.
a) What is the velocity of the particle b) If this velocity is known to within 0.2% accuracy, what is fx of the position that particle? Assume that the mass of the particle is 2 x 10-26 kg.
Each pole of a 100kW, 250v flet-compound generator has a shunt field of 2000 turns and a series field of 7 turns. If the total shunt field resistance is 100 ohms
A receiver has a sensitivity of 0.3 µV. The same receiver can handle a signal level of 75 mV without overloading. The receiver has a blocking dynamic range of 80 dB. If the desired signal has a level of 10 µV
The receiver takes the three received bits and decides which bit was sent by taking the majority vote of the three bits. Find the probability that the receiver makes a decoding error.
The complex power of an electrical load is S = 1 + j VA. If the voltage across the loadis 10V RMS with a radian frequency f=1 rad/s, find the value of a single component to connect in parallel with the load so that the new load has a unity power f..
Shielding Effectiveness with copper and steel at equality, Determine the frequency at which two 1 mm thick shields, one made of copper and the other of steel
The steady state solution of stable systems is due to simple poles in the jO axis of the s-plane coming from the input. Suppose the transfer function of the system is: H_ (s)= (Y(s))/(X(s)) = 1/([(s+1)^2]+4))
An input signal given by Vin(t)=5cos(500pi*t)+5cos(1000pi*t)+5cos(2000pi*t) is applied to a basic lowpass RC filter. R=318.3 ohms and C=1 microFarad. Find the expression for the output signal in terms of t and pi.
A dielectric rod of radius 10mm extends along the z axis from z=0 to z=10m. The polarization of the rod is P = [2z^2+ 10] az (az ==> is towards the z component in other words its the the unit vector k )
Consider an ideal op-amp in inverting amplifier configuration with feedback impedance Rf=7ohms and an input impedance consisting of a series RL: Ri=9ohms and Li=5H. Let h(t) be the impulse response of the overall amplifer.
Silicon, originally intrinsic, is doped with 4*10^16 /cm^3 of arsenic atoms at room temperature. a) What proportion of the silicon atoms have been replaced by arsenic atoms b) What is the thermally generated density of electrons and holes
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