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An AM modulator is operating with an index of 0.7. The modulating signal is
a. Sketch the spectrum of the modulator output showing the weights of all impulse functions.
b. What is the efficiency of the modulation process?
a point charge of 5 nc is located at the point xyz303m and another of 3 nc at-312m.find the force f of these charges
Design a suitable amplifier using a combination of these stages. Your design should utilize the minimum number of stages and should ensure that the signal level is not reduced below 10 mV at any point in the amplifier chain.
Draw a block diagram of an open-loop control system.
Current to Voltage Op Amp Circuit, A 12-bit DAC (Digital to Analogue Converter) gives an output range of 0 to 1 mA for a digital input word of 0 to 4095
A balanced star- connected load of impedance (6+8j) ohms per phase is connected to a 3- phase, 240 v, 50 HZ supply.- Find the line current and power absorbed by each phase.
If a silicon diffusion is doped with phosphorus (donors) at a concentration of 0.6 x 10^17/cm^3, what is the concentration of holes in this piece of silicon per cm^3 Assume ni = 1.45 x 10^10/cm^3, n = 1000 cm^2/V-s, p = 400 cm^2/V-s
The transfer function of a particular active low pass filter is G(s) = 200/[s(1+0.4s)(1+0.1s)]. a) At a frequency of 1.0Hz it is determined that the gain of this filter in dB b) Find the phase shift in degrees through the filter as the frequency appr..
Find the output of the generator in watts.
implement the following boolean function F, using two-level forms (a)NAND-AND, (b)AND-NOR,(c)OR-NAND,and(d)NOR-OR: F(A,B,C,D) = Σ(0,1,2,3,4,8,9,12)
A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter. How much modulating signal power is needed to produce 100 percent modulation.
A special external data signal (DATA_READY) is asserted whenever each of the bits for X are available. In addition, another special signal (ENCODE) is asserted during the transmission of the data X indicating whether 2X+3 or 3X+1 should be compute..
at the frequency f=12khz, a filter is designed to attenuate the input signal by 78db, find the amplitude of the output signal if the 12khz input has an amplitude of 1V.
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