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Define Causal System - Discrete Time Systems?
A causal system is one which produces an output only when there is an input. All physical systems are causal. In general, a causal discrete-time sequence, x[n], or the impulse response, h[k], of a discrete-time system is zero before time 0, that is x[n] = 0, n < 0, or h[k] = 0, k < 0. The input-output relationship of a Linear Time Invariant (LTI) system is given by the convolution sum
Where h[k] is the impulse response of the system. The values of h[k] completely define the discrete-time signal in the time domain.
BLOCK DIAGRAM OF DIGITAL CONTROL OF ELECTRIC DRIVES
Q. Give suitable block diagram to explain the working of electronic multimeter. Sol. An electronic multimeter is a laboratory instrument which is capable of measurement of
Ionic Bonding Instance: NaCl. Na (Z = 11) gives up the outermost shell electron of it to Cl (Z=17) atom, so the crystal is build up of ions with the electronic structure
Q. For the CS JFET ampli?er circuit of Figure, R D = 2k and R L = 3k. The JFET with ro = 15 k has a voltage gain A v1 =-4.5 when the entire source resistance is bypassed. Fin
An abrupt silicon (n i = 10 10 cm -3 ) p-n junction consists of a p-type region containing 10 16 cm -3 acceptors and an n-type region containing 5 x 10 16 cm -3 donors. a)
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what is difference between dual trace and dual beam cro?
1- Use 4-to-16 decoder and some residue gates to recognize the following functions F1(A,B,C)= S(1,2,4,5,7) F2(A,B,C,D)= S(1,2,4,5,7,10,12,14,15) F3(A,B,C,D,E)= S(1,2,4,5,7,10,12,1
multiplexer,
Q. How do you differentiate between dual beam and dual trace oscilloscope? Sol. There are two separate vertical input channels A, B and these use separate attenuator and prea
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