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  1. prateeksikka

    help on bode plots...

    look for books on linear control systems which cover all aspects of bode plots like Nagrath and Kothari.. K.Ogata etc are few good ones
  2. prateeksikka

    caps

    shorted capacitor shows 0 resistance becoz both plates are metal and open shows infinite due to dielectric b/w them
  3. prateeksikka

    'potential Difference' questions

    u can analyse it as: there is a constant work going on in the battery to keep the charges separated. this work is done by emf
  4. prateeksikka

    interface relay to 8051 uc

    i use the ones locally made in india here as far as such components are concerned. except for the ICs and intelligent chips ,i dont think it makes much difference....
  5. prateeksikka

    rele conroled with computer

    check out the following link http://www.rentron.com/pc-relay.htm
  6. prateeksikka

    i need power supply circuit

    5 V SMPS is easily available in the markets. why do u need to build it?
  7. prateeksikka

    why no UV communication system?

    Even if we do use it,what amount of bandwidth can it provide? i guess very large but as they are harmful they are not put to commercial use. the same is the reason for not so much progress for microwave links over Optical communication.i.e microwaves are harmful ;D
  8. prateeksikka

    detailed theory about fm transmitter

    www.discovercircuits.com
  9. prateeksikka

    power saver schematic diagram

    do u need to troubleshoot this circuit ? have u simulated it? from schematic itself even i cant make it out!
  10. prateeksikka

    Circuit Help

    hi Mwee i cant see the circuit u have posted properly here clearly. the image is blurred.... yeah u can do with a smaller pot always but the only thing is the fear of getting damaged .because it will although divide the voltage but it wont offer much resistance between terminals 1 and 3. thats...
  11. prateeksikka

    parabolic dish

    HI KONRAD! NOT MUCH DIFFERENCE IS THERE BETWEEN DISHES FROM VARIOUS COMPANIES. THE STANDARDS ARE THE SAME.ALTHOUGH SOME DO DIFFER TO SOME EXTENT IN TERMS OF THE GAIN STABILITY
  12. prateeksikka

    could anyone please help me to answer some questions

    there are a large number of methods to solve a circuit i.e implementing the circuit in hardware from its given response may be as a boolean equation or the o/p results in a discrete manner....
  13. prateeksikka

    TRIACS-need basic working explanation

    hi what are the views of u all if i call Triac as a controlled transistor and transistor as a controlled diode?
  14. prateeksikka

    making a circuit grounded

    the only thing is that the PC side and the circuit side should have a common ground...be it directly shorted or through an optocoupler. just see the amount of power on both sides ,if it differs by a large amount then better use an optocoupler otherwise short the grounds directly.
  15. prateeksikka

    sensitive parabolic michrophone

    hey! i dont understand 1 thing! do u want to build up a parabolic microphone? why are u doing it when they are commercially available? or u want the rest of the circuit?
  16. prateeksikka

    could anyone please help me to answer some questions

    are u aware of a method known as Karnaugh s map commonly called as K map? ;D
  17. prateeksikka

    Voltage

    hi kevin! i agree with your point that we can measure voltage at a point with one probe only.but there is one condition .... to give us this right,we are forced to assume earth at zero potential wrt anything else on it. take for example a +5 V can be measured w.r.t 0V with 1 probe only.there...
  18. prateeksikka

    a problem

    GAIN IS SIMPLY ADDED IN TERMS OF decibels. 10dB gain and a 3dB loss accounts for a net gain of 7dB for the receiver... Free space has a trasfer function of 1.so the power spectral density at the receiver  is the same as that at the transmitter. Assuming FSK transmission Probability of...
  19. prateeksikka

    TRIACS-need basic working explanation

    try out the following link to stydy more about triacs and SCRs: http://www.uoguelph.ca/~antoon/gadgets/triactst.htm
  20. prateeksikka

    +- power supplies

    i always compare voltage with water levels.believe me there is perfect analogy. ive seen people converting electrical problems to hyraulic problems and solve them.!!!!!!
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