reachrkata

reachrkata

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Member since
Nov 3, 2006
Last active
Jan 6, 2011
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  1. #Threads

    3eb0a64b-6041-4340-a7c3-2d4e83f01f05

    Its perhaps true. There is a passing reference to this rivalry in the movie "The Prestige" if anyone has seen it. -...

  2. #Threads

    0619f4f4-4601-47ff-b500-cb403c3ca2ba

    There is usually a battery management IC which does this. It senses the presence/absence of power and starts charging accordingly.

  3. #Threads

    01e3f711-bf1f-4404-ad84-719a793836e7

    Yo thanks !!!

  4. #Threads

    3da17864-0678-4a17-b289-fa5559391a3a

    What you have to realise here is that KVL should not be applied along with Superposition. These are two separate tools of...

  5. #Threads

    ad4a4447-feae-4666-9101-a70f72a32d11

    There are 2 ways to understand this - 1) Consider the voltage equation of a cap V = 1/C * (integral) i.dt....

  6. #Threads

    4b26c8b6-a99a-435e-8155-c946b99c8368

    Exactly. But what you need to understand is that, the superposition theorem is just a mathematical method of simplifying analysis of circuits...

  7. #Threads

    51275f47-2795-400d-a9e2-c342d339eead

    Re: Why source generated signal frequencies are converted into carrier frequencies... Perhaps this thread help !! #-Link-Snipped-#

  8. #Threads

    00f9b607-a6cf-4f3d-8e2c-711b62581765

    Hello LEon, You are correct in starting out with a list like you mentioned. Further to that, I have a few suggestions...

  9. #Threads

    5cea7da1-dd44-4ada-b840-b1b905050e44

    A current of 1A will flow through the resistor. The voltage drop across the 2 Ohm resistor balances the 2V voltage source...

  10. #Threads

    e0c32d1f-8540-428d-ab66-725c554ac888

    Assuming sinusoidal signals, it is neither 0 nor 45, but in fact at 30 degrees !!! -Karthik

  11. #Threads

    c04c9ee2-9470-44f6-be1b-4ac8773bf292

    Nah nothing like that. I have been checking all the posts in the forum and replying to some also. Perhaps I don't...

  12. #Threads

    45370ead-336a-4320-afd9-0d1655333a5c

    Hey K, Its almost like how you said, but its just that the speed will be a minimum of XMBps. <a href="https://en.wikipedia.org/wiki/Secure_Digital#Speeds".....

  13. #Threads

    4ce7a750-3fcc-4795-8607-30832cb07eaf

    skipperWell, if you adjust the volume for a number of different broadcast signals, using a battery-powered radio, so that in each case...

  14. #Threads

    cf734678-0770-49c0-8b05-d27a04af9ac7

    Thats because, usually, lifts/elevators are closed metal boxes, which are very good shields for RF signals. However, there are solutions available to...

  15. #Threads

    9328969e-8ae0-4792-9e18-0f8fa7a6b8a4

    I dont see any particular difference except that in a single supply scenario, both the inputs need to be biased with 1/2...

  16. #Threads

    971b1b0b-5c9d-410a-897c-e48262fe3185

    qaisarpk1its fine mohit ..... as u said that the lower frequncy travel more distance then why we modulate low freq signal on...

  17. #Threads

    b55f639f-9362-4275-8658-541833b52c35

    Another important item that makes the UPS heavy is a step down transformer. There are transformer-less UPSs also available. However all the...

  18. #Threads

    32faabcf-fbc8-4a82-a15c-90da80df627a

    No. Since the current will flow from the 5V supply into the 3V supply, it will always gain power. It is like...

  19. #Threads

    11083366-c97f-4da5-bae3-0ac5bff67fca

    In fact it gains power = 6mW. - Karthik 😁

  20. #Threads

    9dbb6312-7614-495d-92de-2ab8cb8949c2

    #-Link-Snipped-# Check this out. - Karthik

  21. #Threads

    4e71db1d-bce8-4350-86ee-64dba261846d

    One way is to give a step input to the circuit and calculate the output based on the rise time at the...

  22. #Threads

    cf08ab94-d44f-499c-92ab-5ab5c169da33

    Adding an inductor should slow down the voltage rise. -Karthik

  23. #Threads

    268b94d7-f28d-4ad8-a995-6bb6172a1717

    Yes for analysis, it can be assumed ideal. For current sources, the ideal scenario is that its internal shunt resistance is infinite....

  24. #Threads

    d3236e1a-7309-4f37-b763-7898c63b0cab

    shreyasm89.. Remember there is no difference in the values of currents at the i/p and o/p of a current source. this implies...

  25. #Threads

    8abd3082-9f8f-4e0f-a8ee-8c1e68ed6e01

    Before I tell you what I want to tell, let me first confirm that, yes, we can measure the current through a...

  26. #Threads

    2ed0da8d-aab4-47c9-8fb4-9043b1ac8834

    Usually such settings (like the las channel visited, last volume level) is stored in EEPROM before switch-off. On switching on, it does...

  27. #Threads

    55858b36-ce74-4c35-9b31-ff1637489b9d

    Since you have 2 memory devices of 512K each, they require 19 address lines. Use the 20th address line as a select...

  28. #Threads

    c0a6fa15-06a5-48cd-a57e-d0930b42a569

    If you recall your engineering, Potential at a point is defined as the work done to move a charge from infinity to...

  29. #Threads

    f3e89183-9eb0-4444-a92f-880dceedd19a

    @Ashish - You understood me wrong. 2 stations can be transmitting at the same signal level. But if one of the stations...

  30. #Threads

    95389252-abbb-4419-9cbe-04795d2e089f

    Its just because of the distance between the two sources. Just like there are norms governing bandwidth, deviation, etc, there are also...

  31. #Threads

    ebfeb85e-e148-493b-87e7-61c7a6da5ffc

    No it will rise, but not instantaneously. It will rise exponentially. -Karthik

  32. #Threads

    2edfc69a-f157-4bc5-b4bd-77b77027a6ee

    In fact the capacitors never charges again. All the electrons in the -ve terminal flow instantaneously to neutralise the positively charged terminal....

  33. #Threads

    ec265d00-e383-4791-8b0f-4cfc81267629

    Use superposition theorem to get the output of the non inverting amplifier for the 2 inputs separately. Add the results and you...

  34. #Threads

    ea8101e6-57cb-4712-804c-aea6ef57cd10

    Around 3.4V. -Karthik 😁

  35. #Threads

    604d8f44-5baf-4b1d-8faf-2f2afde6ad7a

    The most important is the Gate - source capacitance. This decides how fast the MOSFET can switch. -Karthik 😁

  36. #Threads

    260fca04-377d-4645-8c3f-4bb5e9eb7631

    If you are using devices that usually work on DC - Like your laptop, TV, stereo system would not be affected that...

  37. #Threads

    4e83cda6-77bd-4ceb-9672-18894fc863be

    No sweat Ash !! i too learnt it only in my company !!! -Karthik 😁

  38. #Threads

    d386eeaa-9bd8-417c-ae5b-bd7149aa9a83

    Perhaps this clarifies everything - -Karthik 😁

  39. #Threads

    fa4785bc-16a5-4848-a8b6-764a06ea3fe6

    Sure can. You can do it with a single ADC port. Connect the ADC port to the supply via a 47k pull-up...

  40. #Threads

    20eb9b84-8fb6-4130-90ff-4592b457af05

    Nope, Batteries in series retain the Ah rating, and batteries in parallel retain the voltage rating. - Karthik 😁

  41. #Threads

    c5504cad-8aa7-430b-b199-a092b69e677d

    Usually there is no need to change anything if you are using an 8 Ohm speaker because for the same power output...

  42. #Threads

    05eda846-b953-416a-9ef6-26bc6f99a100

    My 2 paise - Take the standard available up/down converter ICs. Then use a binary to 7 seg decoder for interfacing with...

  43. #Threads

    e9331080-02be-43e0-94d0-8b8e117ad146

    In a way yes !!! -Karthik

  44. #Threads

    85aea86a-4b6d-4af4-8f56-e3d15a02be7d

    It is dangerous to connect the power supply directly to your battery. The current may be so high that the battery may...

  45. #Threads

    c1c8db1c-0c7a-49d7-b282-f4481937d7e5

    The principle is called zener breakdown. Due to the way the diode is doped, when a reverse voltage is applied, the depletion...

  46. #Threads

    79affd9f-0c1f-467a-9bee-ec36f5523f75

    The secret lies in the very small thickness and very light doping of the base. With the base voltage, there are so...

  47. #Threads

    c95b191b-e4b4-40f5-b710-42917f715d51

    I think so yes !😕 -Karthik

  48. #Threads

    5350e289-ed4a-43e5-ad21-a2d6988ba450

    adi21288@karthik dude i dint understand your concept, i mean u r feeding a dc voltage to a low pass filter (high voltage...

  49. #Threads

    8b330571-6d4d-4306-98d8-ae7737c04150

    I got this nice idea from a colleague of mine, so quoting him here. Use the capacitor as part of an RC...

  50. #Threads

    34ee88bb-0c0c-4564-a53d-48038f5371c1

    I think then it would act like a Tank circuit which can be used as an oscillator. -Karthik

  51. #Threads

    eb38175a-af79-4256-9329-3ff57b0c3c43

    Its perhaps just the direction of inclination of the blades. - Karthik

  52. #Threads

    ca6eb9fa-625d-4d5f-bd33-08ccd0c95639

    Aha !! Nothing is lost my friend !!! Initial energy = 0.5*C1*V1^2 + 0.5*C2*V2^2 = 0.5*1*1^2 + 0 = 1 J0.5*1*1^2 =...

  53. #Threads

    a2534136-32aa-416f-bc26-d15bd32704a2

    Hmm. I think you would not see any appreciable difference. The speed of electron flow is so fast compared to the speed...

  54. #Threads

    bb55033c-f5ac-4233-a9fb-a7ce041ca278

    Zero (assuming ideal caps)!!! Anything you do with only capacitors on DC sources makes no difference. -Karthik 😁

  55. #Threads

    581b98d5-edba-47a6-bf1e-03f6216edb44

    Agree to that. Perhaps a part of the loss is due to loading itself. Sometimes, certain switching supplies tend to go into...

  56. #Threads

    ddabb877-bbd1-4338-a402-78b740a61775

    Hmm. Since the scope is a 50MHz one, and your carrier is only 10MHz, i think you can measure it. Just probe...

  57. #Threads

    4eb7cf4c-c868-4246-a63a-ddabbcd3519e

    No need of a resistor. If your bulb is rated for 230V AC, then just ut the bulb to the supply and...

  58. #Threads

    23ad6e54-9cf2-4b24-a47f-78f3a7d0bf9b

    Great !! Then the maximum voltage swing is 9.9 - 3.3 = 6.6V. This behaviour can also be simulated in Multisim. To...

  59. #Threads

    0274b016-f838-421e-bfc2-8b09b633b790

    Ok here goes. I presume that you are requesting the output voltage swing calculation for the normal CE amplifier ckt with Rb...

  60. #Threads

    a4d66162-da26-442e-b660-dab9cfeeb962

    Perhaps this thread will help you with a simple password entry keyboard - #-Link-Snipped-# - Karthik 😁

  61. #Threads

    7984e32f-8c70-4372-8c33-e985dbdcdcc1

    Infrared sensors are commonly used for this. -Karthik

  62. #Threads

    69d644fc-deb2-4578-9218-9fc6c4b0d0a6

    Repeated on-off is just one of the scenarios. Another typical application would be to switch off/on something based on a special condition...

  63. #Threads

    03d19e57-bbe2-4fb3-8fc4-12597a40a549

    Simplest and straightforward answer - An electronic switch eliminates Human intervention i.e you can write a program to turn on and off...

  64. #Threads

    9e881de4-5ae5-4245-857a-ecac609080b8

    300mA should be OK. In fact I feel it is an overkill, but nevertheless its fine. In any case there is no...

  65. #Threads

    eb6619bb-4e55-4c75-a7e1-bb55e76d6380

    Hmm !!! It is a bit tedious to explain this circuit, because there is a reason for each and every value of...

  66. #Threads

    21b0e64c-c7b1-4ed7-8b9d-a8d576666d21

    Doesn't matter !! There is no relationship between the mAh rating of the battery vs the current rating of the adapter. The...