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An angle-modulated signal has the form u(t) = 100 cos [2πfct+4 sin 2πfmt ],where fc =10MHz and fm = 1 kHz. Determine the modulation indexβf or βp and the transmitted signal bandwidth, with BFM = 2(βf +1)fm or BPM = 2(βp +1)fm, (a) If this is an FM signal. (b) If this is a PM signal
Extrinsic Material In addition to thermally generated carriers, it is possible to create carriers in the semiconductor by purposely introducing impurities into the crystal
Q. Using the small-signal equivalent circuit of a BJT with gm = 0.03 S, β = 75, and VA = 65 V, a load resistor RL is connected from the collector to the emitter, as shown in Figure
Semi-conductors have temperature coefficient of resistance. (A) Negative (B) Positive (C) Both positive and negative (D) none o
can voltage regulation be negative?why?
Questions: Part (a) A compressor installed at a wharf (for loading container ships) is able to provide 6 bar.g pressure into the pressure receiver. The compressor is moved
Given the frequency-domain response of an RL circuit to be determine the initial value and the final value of the current by using the initial-value and final-value theorem
Q. An integrator with positive voltage on a noninverting input is shown in Figure. Sketch v o for 60 ms after S has been opened.
winding turns of 415v step down transformer on 50%, 60% & 80% tapping
Explain the Meaning of Duality in Boolean Algebra? Any algebraic equality that derived from the axioms of the Boolean algebra remains true when the operators OR and AND are in
Suppose that a video signal, having W = 5 MHz, is transmitted via FM with f = 20 MHz. For 1/100 ≤ B/fc ≤ 1/10, determine the bounds on the carrier frequency. Use WFM ∼ = 2( ω + 2W
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