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1.) An amplifier has three amplification stages and a 1-dB attenuator in cascade. Assuming that all impedances are properly matched, what is the overall gain if the amplification factors are5, 10, and 6dB? Express the answer in decibels and in non decibal form.
2.) A signal level of 145μV is found across a 50-Ωload. What is the signal level expressed in dBm?
a)- Determine the type of forward path amplifier needed to make sinusoidal oscillator from your filter. b)- Predict the frequency of oscillation and the gain of the amplifier needed for oscillations. c)- Draw the filter and amplifier
3W light connected to ideal 9V battery with ideal wires a) Draw diagram using circuit symbol for a resistor in place of bulb b) What would current draw from bulb be. I= c)What is if the equivalent resitance of the bulb
Design a synchronous counter with the following repeated sequence:2-4-6-1-3-5. Build the counter with T flip-flops and minimized gates. Assume the (active low)asynchronous clear is tied to a logic 1.
A 64k x 16 memory uses coincident decoding by splitting theinternal decoder into X-selection and Y-selection. (a) What is the size of each decoder, and how many AND gates arerequired for decoding the address
A standard silicon NPN BJT is to be used as an amplifier. The emitter voltage is biased at 4 volts, the base is biased at 5 volts, and the collector is biased at 10 volts. Will this circuit perform as desired? Why or why not.
(a) A student would like to find the relative dielectricconstant of a non-magnetic medium. He transmitted a plane EM waveat 10GHz inside the medium and found that the propagating wave hasa wavelength of 1.5 cm. What is the relative dielectricconst..
A mummy picks up a calculator and starts adding odd whole numbers together, in order: 1+3+5+... etc. What will be the last number the mummy will add that will make the sum on his calculator greater than 10,000
A portable electric garden tool uses a 11 volt rechargeable battery pack with a rated capacity of 2.1 amp-hours. If the tool is used with a continuous power output of 0.2 horsepower, what is the expected battery life
A force Farrowbold applied to an object of mass m1 produces an acceleration of 3.40 m/s2. The same force applied to a second object of mass m2 produces an acceleration of1.60 m/s2. If m1 and m2 are combined into one object
It is used in a quarter Wheatstone bridge with three other fixed 100 W resistors. If the strain gauge constant is 2.0, find the output voltage when the input voltage to the bridge is 10 Volts and the strain is 500 microstrain.
Compare the differences in the FFT result. Explain why even though the inputs to both FFTs are the same cosine waves, the shapes of the FFTs are different.Compute and plot the 128 point FFT of a 0.125Hz cosine wave
Assume that the motor is operating in the range for which torque is proportional to slip and write an equation for motor torque in terms of slip when operating at rated voltage. Then modify the equation for operation from a 220-V-rms source.
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