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For a coaxial line with inner conductor radius a and outerconductor radius b, V = V0 at ρ = a and V = 0 atρ = b. Find the potential distribution by solving Laplace'sequation. Also find capacitance per unit length.
an amplifier operating from + - 3V supplies provides a 2.2-V peak sine wave across a 100 ohm load when provided with a 0.2-V peak input from which 1.0 mA peak is drawn. The average current in each supply is measured to be 20 mA.
Calculate( show all details, including Input versus Output voltage curve) and indicate all circuit required circuit parameter values in order to achieve both positive and negative output bounds as specified earlier. Briefly and very clearly descri..
Assume you have a receiver with an overall noise figure of 23 dB and a bandwidth of 1 MHz. Assuming the minimum acceptable SNR at the output of the receiver is 6 dB, estimate the minimum detectable signal level in dBm at the receiver input.
Signal transduction refers to any process of changing one signal to signal of another type. An example would be a series of pulsing lights into the sound for the word: "Help". Discuss how this transduction could be done by a device.
An n-channel MOSFET has a thershold voltage (Vt) of 0.5 V and a width to length ratio (W/L) of 2. If the tansistor generator the curve bleow when the gate to source voltage (VGS) is 1.5V. I D = 0.12mA. VDS = 0.5 V.
A "shift and add" multiplier works as follows: given two n bit numbers X and Y , look at the LSB of X: if it is one, then add Y to the running sum. If it is zero, then don't do anything (since multiplying by 0 is 0!). Next, shift X to the right by..
What is the purpose of a state diagram, and what information can we derive from it. What is the major differences between an asynchronous counter/divider and a synchronous one.
Look up 8b/10b encoding and explain what purposes (NOTE: purposes is plural!) it serves. How would you implement an 8b/10b encoder
A 22-kw load is powered by a 68-hz, 480-V(subscript rms) line with a power factor of 0.8 lag . Calculate the parallel capacitance required to correct the power factor to 0.9 .
A temperature sensor is specified to provide 2 mV/°C. When connected to a load resistance of 10 k ohm, the output voltage was measured to change by 10 mV, corresponding to a change in temperature of 10°C.
Assuming the input resistance of the load cell is 420 and rated output is 3.0mV/V at the rated capacity. What should be the series resistance that should be added to the excitation side so that the output voltage I reduced to 2.0mV/V
an electric kettle is required to heat 0.6 litre of water from 10 degrees celcius to boiling point in 5 minutes,the supply voltage being 240 volts. The efficiency of the kettle is 87%. Assume the specific heat capacity of water to be 4190J/kg.K
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