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Applying the bandpass sampling theorem to a signal of bandwidth W around a certain frequency f0, what happens to the minimum required fs when the bandwidth is shrunk to zero? Explain the result.
an unknown three terminal device has leads named b,c and e. When installed in one particular circuit, measurements indicated that Vec=-9V and Veb=-0.65V. a) Calculate Vcb. b) Dtermine the power dissipated in the b-e junction if the current Ib
An FH-BPSK signal modulated with 6kbps data has a spectrum bandwidth of 20 MHz. the BPSK signal is filtered allowing only two spectral components on either side of the carrier find the maximum number of hopping frequencies.
Heat is added until the final volume is twice the initial volume. Assume that Helium behaves as an ideal gas. Use the table provided to determine the specific heats of helium and determine the following.
Design a sequential system to continuously output your set of eight different digits (01275438) in binary at the rate of one digit per clock pulse.
A three-phase, 318.75-kVA, 2300-V alternator has an armature resistance of 0.35 /phase and a synchronous reactance of 1.2 /phase. Determine the no-load line-to-line generated voltage and the voltage regulation
The number of turns in primary and secondary of an ideal transformer are N1 = 50 turns and N2 = 400 turns. The primary winding is connected to a 120 - V, 60 Hz source with a source resistance of 50 Ω. The secondary winding is connected to a 1600 ..
A flyback converter is to be designed to provide 10V at 18A from a smooth 200V source. Isolation between the input and output is required. The switching frequency is 200kHz and the duty cycle is 0.4.
Plot the steady state torque-speed characteristic for Va = 100V, 60V, and 30V. Calculate the armature voltage to be applied in the steady state at the speed of 1500 rpm when the motor torque load require is 3 Nm.
A 25 cm length of coaxial cable with inner radius of a=2 mm, and the outer radius of 4 mm, is filled with air. If the total charge on inner conductor is 50nano-Coulombs, what are the charge densities of the inner and outer conductors
For a "Personal water craft" water is pumped from beneath the craft and discharged out the rear in a 1.25 inch diameter stream at a velocity of 75 ft/sec. Assuming that the craft and rider weighs 650lbs find the force acting on the craft and maxim..
we leared that wwhen the dopping is naltltni the properties of the dopped semiconductor is not different from the
If the motor is driving a load whose torque requirement remains constant at 3Nm, independent of speed. Calculate the armature voltage Va to be applied in steady state, if the load to be driven at 1500RPM.
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