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A uniform plane wave propagates from one dielectric into another at normal incidence. Find the ratio of the dielectric constants such that the magnitudes of the reflection and transmission coefficie
Suppose the suspension system of the average car can be fairly well modeled by an under damped harmonic oscillator with a natural period of 2 seconds. How far apart should speed bumps be placed so t
Design an experiment that allows frequencies between 300-3300 Hz to pass with a 14 dB gain. At f = 10 KHz and f = 100 Hz, the gain should be -16 dB. Use a cascaded design consisting of first and sec
A cable TV receiver has an input impedance of 200?. The cable TV distribution system uses RG-6 cable. This cable has a characteristic impedance of 75?. Design an impedance matching stage to maximize
A cable TV receiver has an input impedance of 200 ohm The cable TV distribution system uses RG-6 cable. This cable has a characteristic impedance of 75 ohm Design an impedance matching stage to maxi
The terminals of an electrical device are labeled a and b. If vab = 10V , how much energy is exchanged when a charge of 3 C moves through the device from a to b. Is the energy delivered to the devic
estimate results in the lights being switched on for an average of 19 hours per day - 6 hours more than needed. The room is lit with seven, 60 W incandescent bulbs, which you can assume are powered
design the details of the D/A using a Weighted Resistor( NOT R-2R) technique, as well as the logic details of the sequencer/decision maker/state machine which sequences the A/D through its conversio
Using your knowledge of ‘State Machine' design from logic design principles, draw the state diagram for the 2-bit down-counter, generate the state transition table, the flip-flip input equatio
Suppose we have a resistive load that varies from 5 kOhms to 10 kOhms. We connect this load to an amplifier, and we need the voltage across the load to vary by less than 1 percent with variations in
Design a garage door controller using PLC Ladder Diagram (RSLOGIX 500 PLC SIMULATOR). The behavior of the garage door controller is as follows there is a single button in the garage, and a sin
A voltage source v(t) = 28.2cos(50000t) is wired in series with a 100 Ω resistor, a 0.40μF capacitor, and a 2.0 mH inductor. 1. Express the voltage from the source as a phasor, V. 2. Find the
An odd parity circuit with 2^n inputs can be built with 2^n-1 XOR gates. Describe two different structures for this circuit, one of which gives minimum worst-case input to output propagation delay a
A typical commercial FM broadcast signal starts out at an effective power level around 100 KW (+80 dBm). How much of that FM signal power finds its way into the clock radio on your nightstand, or the
1.The Thyristor is a natural commutation device. What does that mean. 2.Mention two reasons why the HVDC might be your choice as a power system designer to transfer large amount of power.
When the required bandwidth is a large portion of the center frequency, another approach is commonly used for bandpass filter design. An example might be a filter that's required to pass frequencies
A disk located at 0<p<1, z=1 has a uniform charge distribution with Ps = 200 pC/m^2. A 30uC point charge is located at the origin. Determine the force acting on the point charge due to the ele
Design a BJT mixer with conversion gain of 10dB for an IF load of 1 kohm and a LO amplitude of 10 mV. The RF frequency should be 707 KHz and the IF frequency should be 455 KHz. Hint: calculate the b
A voltage source V = 119 < 3deg V, an impedance of Z1 = 100 < 70deg O, and an impedance of Z2 = 75 < 90deg O are connected in series. Calculate the power factor of the combined load.
A voltage source V = 119 < 3deg V, an impedance of Z1 = 100 < 70deg O, and an impedance of Z2 = 75 /90o O are connected in series. Calculate the average power delivered to Z2.
An IPv4 datagram has arrived with the following information in the header (in hexadecimal): Ox45 00 00 54 00 03 58 50 20 06 00 00 7C 4E 03 02 B4 OE OF 02 a. Is the packet corrupted b. Are there any op
A circuit consist of two impedance,Z1=50/_45 ohms and Z2=25/_30 ohms, connected in parallel. They are supplied by a source whose voltage is V=50/_0 volts. Determined follows 1. the current drwan by
A 22KVA, 2300/230 VAC, 60HZ transformer is tested with a short circuit test. The measured data are as follows: Psc=280W, Vsc=80VAC and Isc=9.5 A 1. Find the transformer turns ratio of the transforme
Design a 3-tap FIR lowpass filter with a cutoff frequency of 1,500 Hz and a sampling rate of 8,000 Hz using a. rectangular window function b. Hamming window function.
A 100 kVA 2000/400 V, 50 Hz single-phase transformer gave the following test results. With 2000 V applied to the primary with the secondary on open circuit: current 2 A, power 1400 W With the secondar