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Consider a 16-ary PSK system with symbol error probability PE = 10-5. A Gray code is used for the symbol to bit assignment. What is the approximate bit error probability?
Consider a bank of three single-phase two-winding transformer whose high-voltage terminals are connected to a three-phase, 13.8 kV feeder. The low-voltage terminals are connected to a three-phase substation load rated 2.4 MVA and 2.3 kV.
In the digital communication link the data rate is 500 kb/s. The modulator generates the binary FSK signal. a) Determine the transmitted bandwidth if the difference between two frequencies fc1 - fc0 = 300 kHz
a) Explain the difference between a segment and a datagram. b) In virtual circuit networks, does a packet keep the same VC number on each of its links along its path from source to destination.
A candidate material for a turbine blade application oxidizes by diffusion of metal atoms through the oxide to the metal surface, where metal and oxygen react to form the oxide. After 10 hours at 550*C, an oxide layer 8µm thick has formed.
The magnetization graph taken at 1800 rpm of a 6 kW, 120 V, 50 A, 1800 rpm, dc generator is attached below. Field resistance is 20 ohms and armature resistance is .18 ohms. Find: As a seperately excited generator
An optical waveguide with gain and cleaved facets result in high reflection of the light wave resulting in oscillations which causes the guide to become a laser. What is the reflection coefficient of the wave in the guide at the cleaved interface
The contects of a six-bit register are initially 100101. The register is shifted four times to the right, with the serial input being 1101. What are the contents of the register after each shift
A uniformly doped abrupt pn junction (step junction) diode is fabricated. At room temperature 25% of the total space charge region (depletion region) is in the p-region. The built in potential is also measured to be 0.710V.
Find the nonzero value of ω for which the expression for Z(ω) given is purely real. Give your answer as a function of R, L, and C.
In a step-down converter, consider all components to be ideal. Let v_0 = V_0 be held constant at 5 V by controlling the switch duty ratio D. Calculate the minimum inductance L required to keep the converter operation
A simple power system consists of a dc generator connected to a load center via a transmission line. The load power is 100kW. The transmission line is 50km copper wire of 3 cm in diameter. If the voltage at the generator terminals is 400V
a)Describe the difference between a relay logic system and a PLC control system. Are there any advantages of PLC control system over relay system. Explain the advantages in details with one example.
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