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Q. Let a(t) = [1 + mAx(t)] and x(t) = cos 2πfmt, fm << fc, and xc(t) = A(t) cos 2πfct .
(a) With mA =1, sketch one full period of the AM wave and draw the envelope by connecting the positive peaks of xc(t).
(b) Repeat part (a) with mA = 2, and notice that the carrier is overmodulated and the envelope does not have the same shape as x(t).
Q. (a) Consider a three-phase star or wye half-wave recti?er with a purely resistive load R. Determine: (i) efficiency, (ii) formfactor, (iii) ripple factor, (iv) TUF, and (v) PIV
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DAA Decimal Adjust Accumulator Instruction This instruction adjusts the contents of the accumulator into BDC (Binary Coded Decimal ) form after a BCD addition. It should
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Q. External Frequency Compensation of operational amplifier? For applications requiring a more extended high-frequency response, there are op amps with no internal compensation
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