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If a single stage amplifier is having an open loop voltage gain of 80, input resistance of 800 -ohm and output resistance of 200 -ohm, what will be the available signal voltage across a 50 -ohm load connected at the output of a cascaded amplifier made out of two such single stage amplifiers that is driven by a signal source having a source resistance of 600 -ohm and an open circuit signal voltage of 15 mV
(a) Plot the spectrum of the Fourier series. (b) Determine the trigonometric Fourier series coecients for the first 6 harmonics. (c) Determine the total power of x(t) for the first 6 harmonics (d) How much of the total power of x(t) is in the DC harm..
On any given day, the price of stock XX can do one of three things: jump very high, fall very low, or stay reasonably close to its opening value. You are trying to use Bayes' Law to determine if stock XX is being bought or sold by shareholders
The parking lot of the Spenditall Megamall has an area of 128 ac. It is partially landscaped to provide some areas of grass. Assume that an average of 63% of the water that falls on the parking lot will flow
Nitrogen at an absolute pressure of 689.5 kPa is used to fill a container having a volume of 0.002 m3. The filling process is very slow, and the gas in the container attains the ambient (room) temperature of 20°C. Determine the amount of gas in th..
A program has a char variable fruit that has been assigned a value. Write a switch statement that outputs "Apple" if the variable contains lower or upper case 'a', "Banana" if it contains lower or upper case 'b', or "Invalid Input" for any other v..
False positive and false negative rates can be adjusted, and they are often complementary: Lowering one raises the other. List two situations in which false negatives are significantly more serious than false positives.
Two inductors with two separate cores are used in parallel in a circuit to share the current. A customer request a design improve by putting the two windings on to the same core. 1. Draw the two windings and resulting magnetic field; 2. If 10 turns..
What is the minimum level of the positive envelope for an AM signal with an unmodulated peak carrier level of 30 V and 80% modulation
A negative feedback amplifier has a close-loop gain Af=100 and an open-loop gain A=105. What is the feedback factor If a manufacturing error results in a reduction of A to 103, what close-loop gain results
A 1.8-kW electric heater takes 15 min to boil a quantity of water. If this is done once a day and power costs 10 cents/kWh, what is the cost of its operation for 30 days
Design a passive first-order RC low-pass filter with a cutoff frequency fH = 10 kHz. Derive the step response and voltage transfer function.
A highway curve of radius 500 m is designed for traffic moving at a speed of 90 km/hr. What is the correct banking angle of the road
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