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An amplifier with 40 dB of small-signal open-circuit voltagegain, an input resistance of 1M-ohm ,and an output resistance10-ohm drives a load of 100-ohm .What voltage and power gains(expressed in dB
Design an active first-order RC low-pass filter (using a 741 op-amp) with a cut-off frequency of 10 kHz and a band-pass gain of 20 dB. Derive the step response and voltage transfer function.
When a 100-k load is connected to a signal source, the output voltage is 30 mV. If a 10- k resistor is used to load the same signal source, the output voltage is observed to be 10 mV. Find the corre
Your embedded systems application requires you to implant a sensor in each of the taxiways of the airport and connect the sensor wires at the base of the ATC tower. The worst case distance is two mi
You plan to integrate a sensor that operates at 24 VDC and 2A At distance of 100 feet from your controller under normal conditions. What gauge (AWG) of wire would you use if you needed to limit your
Consider two signals that have the same frequency. When the amplitude of the first signal is at its maximum, the amplitude of the second signal is at half its maximum from the zero level. What is th
a 350° pot is connected to a shaft through a 3:1 gear ratio a. What is the maximum angle the shaft can turn b. What is the maximum difference in degrees from where the shaft is and where the pot r
A 10 K-ohm pot is used as a position sensor with a 10 -V supply. The input resistance to the interface circuit is 50 K-ohm. Find the loading error when the pot is in the middle of its range.
in a hydroelectric generating station the difference in level between ,the water surface and turbine driving the generators is 425 meters.if 1250 liters of water is required to generate 1 kwh of ele
a. The input G=0, H=0 is not allowed for this flip-flop. Why b. What is the excitation table for the GH flip-flop c. Use GH flip-flops to construct a counter to count the following sequence: 000 ->
A power transistor for which Tjmax=180degrees Celsius can dissipate 50Watts at a case temperature of 50degrees. If it is connected to a heat sink using an insulating washer for which the thermal res
A voltage source V(t)=100cos(6Π109t - 45(degrees))(V) is connected to a series RLC circuit. If R = 10MΩ, C = 100pF, and L = 1H, use phasor notation to find the following: a.) i(t) b.) Vc(t)
A capacitor in an RC circuit with R = 5.00 W and C = 6.00 mF is being charged. What is the time required for the capacitor voltage to reach 86.5 percent of its steady-state value
e^-x=(1/e^x)=1/(1+x+(x^2/2)+(x^3/3!)+...) and compare with the true value of 6.737947*10^-3. Use 20 terms to evaluate each series and compute true and approximate relative errors as terms are added.
use an ideal op amp to design an inverting integrator with an input ressistanceof 10 kilo ohm and an integration time constant of 10^-3. What is the gain magnitude and phase angle of this circuit at
a high power FM station of frequency 96.9 MHz has an antenna height of 1200 feet. If the signal is to be recieved 60 miles from the station, how high does the listener need to mount their anntena in
an amplifier with 40dB of small signal , open circuit voltage gain ,an input resistance of 1 Mega ohm , and an output resistance of 10 ohm , drives a load of100 ohm. What voltage amd power gain (exp
Write the phasor expression I for the following current using a cosine reference a.)i(t) = I0cos(ωt - π/6): b.) i(t) = I0sin(ωt + π/3):
What is the main operation when a comparator cascade with an active third order low pass filter, with a feedback of output to input.
a particular electric utility charges customers different rates depending on their daily rate of energy consuption 0.05khw up to 20 kwh and 0.1 kwh for all energy usage above 20 kwh in any 24 hour p
A given cable has characteristic impedance Z0 = 100 Ohms. At a given position on the line, the voltage amplitude is 1 V. Draw a sketch (a snapshot at a fixed time) of the forward-traveling voltage a
a) Why is it that if the power system of interest is physically smaller than the wavelength, we can represent it as a lumped-parameter system b) Why a long wavenenth requires a gigantic antennas
In a swamped common-emitter BJT amplifier, as shown below, if Vcc = 12 V, R1 = 8.2 k , R2 = 10 k , Rc = 500 , RE = 1 k , VBE = 0.7 V, and = 100, what is the transistor's emitter current