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Recent content by Jebakumar Samuel

  1. J

    Isolation transformer

    1:1 isolation transformer What is isolation transformer? How it works? What happens when the secondary of a isolation transformer is shorted?
  2. J

    Pull-Up Resistor questions about value, rise time and fall time

    How to calculate the correct pull-up resistor value? how does my pull-up resistor affect the rise time of the signal? If i add a pull-up will there be variation in rise time and fall time and do i need to compensate it?
  3. J

    Why there is an inherent diode inside the MOSFET symbol?

    Hi, I need to know why there is a inherent diode inside the MOSFET symbol. Is it useful in any ways? how the diode is formed?
  4. J

    What is memory mapping? How it should be done?

    Memory Mapping Hi, What is memory mapping? How it should be done?
  5. J

    Methods for designing a DSL line simulator

    Hi, I need to design a dsl line simulator. what are the input parameters i need. what are the methods to design line simulator could any one please help me out?
  6. J

    Using 50 ohm trace impedance for single ended signal and 100 for differential signal

    Hi, Please explain why we are using a 50 ohm trace impedance for single ended signals in board designs and 100 ohm impedance for differential signals.
  7. J

    How many address lines will a 2k memory have?

    Re: address lines That depends on number of data lines you have. For a single bit data line you may need 11 address lines. Added after 2 minutes: For a 8-bit system u may need 8 address lines... Added after 2 minutes: For a 8-bit system u may need 8 address lines...
  8. J

    Why is the real time clock frequency at 32.768KHz?

    Can any one please explain why is the real time clock frequency 32.768KHz?

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