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Q. A bandpass filter circuit is shown in Figure. Develop a PSpice program and use PROBE to obtain a Bode magnitude plot for the transfer function ¯H(f) = ¯Vout/ ¯Vin for frequency ranging from 1 Hz to 1 MHz. At what rate (in dB/decade) does the magnitude fall off at low and high frequencies? Also determine the half-power frequencies.
Q. The coil is placed so that its axis of revolution is perpendicular to a uniform field, as shown in Figure If the flux per pole is 0.02 Wb, and the coil, consisting of 2 turns, i
Q. What is meant by armature reaction. Explain briefly the bad effects of armature reactions. Sol. By armature reaction is meant the effect of magnetic field set up
Derive the transfer function of ward Leonard System
Q. An 8-bit A/D converter is driven by a 1-MHz clock. Estimate the maximum conversion time if: (a) It is a counter-controlled A/D converter. (b) It is a successive-approximat
what is finger voltage in terms of thyristor
The spectrum analyser plots amplitude against frequency, in other words it shows signals in the frequency domain. The spectrum analyser has the same trigger options as the oscillos
Q. Discuss FDM and illustrate how CCITT stndards help in building the base band? Ans: Frequency Division Multiplexing: It is the process of combining numerous informatio
Illustrate in detail digital encoders. Illustrate the following with their application: Photo-conductive cell Photo-voltaic cell
brifly explain capacitance switching
Sing Flag If D7 ( bit left most bit) of accumulator (which some exceptions) is 1 as a result of any arithmetical or logical operations sign flag is set ( bit corresp
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