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1. How do you compare PCM with PWM and PPM?
2. A 8-bit ADC with 5 volt full scale voltage samples an analog signal at 1 kHz. Find the speed of the binary information at the output of the ADC.
3. A linear PCM system uses an 8-bit ADC with 8 v full scale voltage. Find the dynamic range and the SQNR in dB.
4. In a T1 PCM-TDM system, 24 signals all with the same bandwidth of 4 kHz are multiplexed after sampling at their Nyquist rate. If an 8-bit ADC is employed in this T-carrier system, find the speed of the digital multiplexed line. Assume 8 Kbps overhead for the T-carrier.
5. For each of the following line codes, find the approximate required bandwidth of a T1 line.
NRZ-L
NRZ-M
NRZ-S
Unipolar-RZ
Bipolar-RZ
AMI
A 2,284-kg car is moving down a road with a slope (grade) of 13% at a constant speed of 11 m/s. What is the direction and magnitude of the frictional force
Some hydrogen gas is enclosed within a chamber being held at 200 degrees C with a volume of 0.025 m^3. What is the final volume of the container
When a guitar string is sounded along with a 439 Hz tuning fork, a beat frequency of 2.00 Hz is heard. What is the frequency of the string
To demonstrate the tremendous acceleration of a top fuel drag racer, you attempt to run your car into the back of a dragster that is "burning out" at red light before the start of a race. (Burning out means spinning the tires at high speed to heat..
The volume flow rate of the water supplied by a well is 1.53 x10-4 m3/s. The well is 31.8 m deep. Find the pressure difference the pump must maintain
A box at rest has the shape of a cube 3.5m on a side. This box is loaded onto the flat floor of a spaceship, What is the volume of the box as we observe it
A 2.00-ton automobile is parked at the top of a hill that is 100ft high and inclined 25 degrees with respect to the horizon. find the automobile velocity (ft/s) at the bottom of the hill
A 1.85m diameter wagon wheel makes one revolution in 3.45s. What is the tangential speed of a point in it's rim
At a certain instant in time, in an electromagnetic wave, the electric field vector points to the north and the magnetic field vector points vertically downward.
A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. When switched off, obtain the constant angular acceleration of the centrifuge
A man throws a baseball straight up in the air at 19.6 m/s. How many seconds does it take to reach the top
A block of weight wt1 = 409 N sits on a frictionless table of mass 118 kg. The block is connected via frictionless pulley to a hanging block with weight wt2 = 172 N. FIND the tension in the rope connecting the two masses
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