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If Eb/N0 = 20 in a coherent ASK system, find the value of Eb/N0 that is needed in a noncoherent ASK system to yield the same value of Pe as the coherent system.
Q. Explain Amplitude-shift keying? A carrier's amplitude is keyed between two levels (binary 1 and 0) in binary ASK. Figure shows the functions of a coherent ASK communication
Why do wenot see the battery and capacitor combination for power backup? Ans) There are "super capacitors" that are used for power backup - they are well-organized for short-te
Q. A BJT is biased by the method shown in Figure. If V BEQ = 0.7V, β = 100, V CEQ = 10 V, and I CQ = 5 mA, find I 1 , I 2 , and IEQ.
Q. Consider an amplifier as a voltage source with an internal resistance of 72 . Find the turns ratio of the ideal transformer such that maximum power is delivered when the amplif
Loudspeakers using single driver are unable to cover the entire frequency band from low frequency to high frequency. Sometimes multiband frequency is required for the bass enhancem
An industrial plant consumes 500 kWat a lagging power factor of 0.6. (a) Find the required kVA rating of a synchronous capacitor to improve the power factor to 0.9. (b) If a
Zero Flag - Registers If the result of any arithmetical or logical operation in the accumulator is zero i ,e all the bits of accumulator ( with some exceptions ) are
Characteristics of unijunction transistor: Characteristics : The static emitter characteristic of UJT at a given inter base voltage VBB in shown in fig. From fig., it is no
A 100-kW, dc shunt generator, connected to a 220-V main, is belt-driven at 300 r/min, when the belt suddenly breaks and the machine continues to run as a motor, taking 10 kW from t
#I need some guides in order to build a circuit that will be beneath a machine and turn that machine left/right/up/down
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