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Q. Explain Kirchhoff current law? The basic laws that must be satisfied among circuit currents and circuit voltages are known as Kirchhoff 's current law (KCL) and Kirchhoff 's
1. A PCM system uses 8 bits per sample and the analog signal is limited to 4.3 kHz. The PCM data is transmitted using (a) BFSK and (b) ASK. Determine the bandwidth required for tra
Q. For the NOR and inverter realizations shown in Figure, find the truth table, the type of gate realized, and the expression for the logic output, in each case.
advantages and disadvantages of inductive coupling
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
Q. With suitable diagram explains the working of a sweep frequency generator. Sol. A sweep frequency generator or sweeper is a special type of signal generator in which the o
The rotor of a wound-rotor induction motor is rewound with twice the number of its original turns,with a cross-sectional area of the conductor in each turn of one-half the original
What current must flow if 0.45 coulombs is to be transferred in 5 ms? Quantity of electricity, Q = It, then:
Q. The quantum levels of a quantizer are separated by the step size δv = 0.2 V, with the lowest and highest levels of-3.3 V and +3.3 V, respectively. A sequence ofmessage sample
Q. For the 4-bit D/A converter of Figure with V ref =-5 V, determine the range of analog output voltage and the smallest increment. Ans. The binary input range is from 0
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