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Recent content by devnarayan

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    satellite communications systems

    i want satellite comm.-pratt
  2. D

    solve simple problem.

    sir but when i solve mathematically we get another solution please see picture attachement and comment on that. thank you very much sir.
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    solve simple problem.

    δ(-t-t0)*x(t0-t) (where * for convolution) ,what is it solution please select the option (a)x(2t0-t) (b)x(t-2t0) (c) x(-t) (d)x(t) i had got option 'a' but answer provided is 'c'. how it can be
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    Help me understand the solution of a simple voltage gain problem

    Re: solve simple problem respected sir , i am from India many many thanku for helping me. sir i have two problems which i found when write bsnl jto exam for telecom officer which confused me. these are 1. δ(-t-t0)*x(t0-t), = ?(where * stands for convolution ) option was:(a) x(2to-t) (b)x(t)...
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    minimumphase transfer function

    sir thanks please help me to understand this problem also i have two confusion 1) is x(t).δ(1)=x(t).δ(3)? by using property δ(-t)=δ(t) =»δ(-t+to)=δ(t+to) 2).The expression δ(-t-t0)*x(t0-t), = ?(where * stands for convolution )
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    [SOLVED] property of impulse function

    i have two confusion 1) is x(t).δ(1)=x(t).δ(3)? by using property δ(-t)=δ(t) =»δ(-t+to)=δ(t+to) 2).The expression δ(-t-t0)*x(t0-t), = ?(where * stands for convolution )
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    minimumphase transfer function

    for a minimum phase transfer function:- 1)all the poles is in left side of plane 2)all the zeros in the left side of plane 3)all the poles and zeros in the same side of plane 4)all the poles or zeros in right side of plane please select correct option from given choice
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    power factor in rlc ckt

    but one book suggest add capacitor parallel to the circuit for improve power factor of series lcr may you explain the reason
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    power factor in rlc ckt

    sir, in a series rlc ckt how i can improve power factor .
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    Help me understand the solution of a simple voltage gain problem

    Re: solve simple problem sir why you not directly apply the gain concept since gain of individual network is 1/2 so gain of overall becomes 1/4.
  11. D

    Help me understand the solution of a simple voltage gain problem

    in given fig. each network have voltage gain 1/2 then voltage gain of cascaded is (a)1/4 (b) 1/5 (c)1/6 (d)1 select correct option. answer provided is 1/5 ,any one can explain how 1/5 is correct

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