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1. What type of signal is represented by the code 15A3?
2. Briefly explain the difference between phase and frequency modulation.
3. A 15 mV sinusoid with input frequency 450 Hz is applied to an FM generator with k = 1000 Hz/20 mV. Find the positive frequency deviation.
4. The maximum deviation in broadcast FM is 75 kHz. Suppose that a commercial FM system has modulating frequencies 40 Hz to 20 kHz. What is the permissible range for the modulation index?
5. What is the sensitivity of an FM receiver with a 100 mV quieting voltage and a voltage gain of 50,000?
6. Consider phase locked-loop FM demodulation. What is the meaning of the term hold-in range?
7. Name the 3 possible states of operation for a phase locked-loop.
8. An FM station transmits at 96.5 MHz. Find the local oscillator frequency and image frequency if the receiver has a 10.7 MHz IF.
A signal source produces a 4 volt peak-to-peak sinusoid and has a source resistance of 100 ohms. We wish to drive a grounded 10 ohm load to at least 2 volts peak-to-peak with this source. The load cannot tolerate DC. Your amplifier should not burn..
A web ad can Be designed from four different colors, three font types, five font sizes, three images and five test phrases. A specific design is randomly generated By the web server when you visit the site.
Find the unit impulse responses of two systems specified by these equations and comment on their similarities and differences: 1) (D2 + 4D + 3) y (t) = (D + 5) x (t) 2) (D2 + 5D + 6) y (t) = (D2 + 7D + 11)x (t) .
A DC voltmeter is rated at 14 bits of resolution and has a full-scale input range of ±5V. Assuming the meter's ADC is ideal, what is the maximum quantization error that we can expect from the meter.
a new type of battery deleivers 10 watt of powr for 8 hours without voltage or current fluctuation. after 8 hours, however thepower output drops linearly from 10 watt to 0 in only 5minutes. (a). what is energy storage capacity of the battery
a) Developed an analytical expression for |Vout/Vin|, where Vout is the voltage across the combination impedance R2||C2, and Vin is the voltage. b) For w0^2 = 1/(R1R2C1C2) (the center frequency), develop an expression for the maximum value of |Vout..
Show that the response is able to follow the input with a steady state delay of Determine the value of steady-state error 60m/s.
property of materials find the density for germanium ge semiconductor atoms give that its lattice constant a-5.66aring
explain the graph we recieved in the simulation that shows the relationship between the recieved throughputand sent
A solar pond consists of a thin layer of fresh water floating ontop of a denser later of salt water. When the salty layer absorbssun light, it becomes hot, to 140 degrees C. The ambient temp isassumed to be 20 degrees C.
Design a Moore machine that has one input X and one output Z. Provide a complete design using D Flip flops. In this design, the output should be 1 any time the sequence 01101 occurs. Overlapping sequences are allowed.
Find the input torque to the generator.If armature current and field current are kept constant, find the new value of the terminal voltage if the power factor is changed to 0.7 lagging.
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