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Determine how you would design a planar shield to attenuate a far field signal by 15 db. Assumethat the incoming signal has a flat frequency spectrum from about 100 Hz to 10 MHz. Signalsabove 10 MHz and below 100 Hz can be considered to be negligible. Recall that Shielding Factorand attenuation are related to each other by a negative sign. You may consider multi layeredshields if necessary but keeping in mind that multi-layers cost more money. Also, assume thatthe shield cannot be made too thick for weight and cost reasons. Your solution will include calculations and or qualitative explanations.
While both triangular and sawtooth waveforms work in a PWM modulator, it does affect the phase of the PWM output and being able to control this can be useful. Consider your resistor and capacitor choices for the 555 timer circuit.
a) A personal computer with a monitor and keyboardrequires 60 W at 110V (rms). Calculate the rms value of the currentcarrried by its power cord. b) A laser printer for the personal computer in (a) is ratedat 80W at 110V (rms).
How to Integrate the Renewable Energy with Grid System ? Need the answer with shema showing Balancing of overall Grid system requires )
The dielectric materials used in real capacitors are not perfect insulators. A resistance called a leakage resistance in parallel with the capacitance can model this imperfection. A 150-F capacitor is initially charged to 100 V.
Design a 3-bit synchronous counter that counts the sequence 7, 4, 2, 1, 6, 5, 7, ect. Use "don't-cares" for the "next states" of the unwanted states. Use a D flip flop for the most significant bit, a T flip flop for the middle bit, and a JK flip f..
An electron is released from rest at the negative plate of a parallel plate capacitor. If the distance between the plates is 5 mm and the potential difference across the plates is 5 V, with what velocity does the electron hit the positive plate
Design a datapath that consists of four four-bit, general-purpose registers and one four-bit processor status word (PSW) register. There are four status bits, carry, overflow, sign, and zero; these will be stored in the four bits of the PSW.
A parallel-resonant RLC circuit has R = 75 I, L=50mh, and C=45pF. A) Sketch and label the circuit. B) Find fo, the resonant frequency. C) At what frequency is impedance a maximum D) What is the magnitude of the impedance at this frequency
The battery has 2.5 V output voltage and 12 Ohm internal resistance. The battery is used to boot a small electric motor with 145 Ohm resistance. Find the power delivered to the motor.
A system has power gain of 52. Directivity is measured as 90 and the dissipated power in an antenna with a gain of 700 is 1.9 watts. what is the EIRP in watts and dBm
A newly planted tree is supported against the wind by a rope tied to a stake in the ground. The force of the wind, though distributed over the tree, is equivalent to a single force F. Find the tension in the rope
Draw a strain gauge circuit and its external components to attach to a conveyor mounted only at the ends to measure the load at the center of the conveyor. What type of testing would you need to do to establish a baseline and calibration curve for..
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