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Recent content by SughiRam P.

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    What electro-chemical mechanism used in electrolytic capacitor?

    Hi, I have a small doubt in polarized capacitor. One of the reason for using polarized caps is it is small in size compared to non-polarized for the same capacitance value. What is the process involved to get such a large capacitance value for polarized caps? some may say read about construction...
  2. S

    How to include .EBD model in Hyperlynx

    Hi Experts, I have EBD model of a DIMM module, IBIS model of a Processor and S-parameter model for a DIMM connector. I'm going to do Pre-route SI analysis. e.g. For Address signal, Processor will drive the signal via DIMM connector to DDR device in DIMM module. I can able to include IBIS model...
  3. S

    Extracting S parameter model in HyperLynx

    Hi, while extracting S parameter model from HyperLynx, 1. what it mean the Reference Impedance? Typical for Channel / connector, Typical for de coupling, Custom ? I used Typical for Channel / connector. Is it correct? 2. What about Frequency Sweeping parameters? (Linear or Log or...
  4. S

    snap on / snap off in voltage regulator

    Hi, I came across the words SNAP ON / SNAP OFF in LP2952 datasheet which is LDO Voltage regulator. Can anyone explain me what is SNAP ON / SNAP OFF??:-?
  5. S

    Back termination in PCB

    What back termination refers to? Is ter anyone aware of this?
  6. S

    Hardware Development Life Cycle

    Can anyone brief me how to become HW designer. Currently I'm working as a PCB layout designer. What are the things i need to study? What are the necessitates?
  7. S

    qualities need to become hardware designer

    Hi Guys, I'm working as PCB layout Engineer. I wan't to become Hardware Designer. What are all the qualities i need to develop? I'm desperate to become HW designer. Anyone guide me pls. :???:
  8. S

    Placing Oscillator for Micro Controller in PCB

    Hi, In any Micro Controller based projects, Where we place the oscillator circuits in PCB? Whether we need to place close to Controller or Isolate from it? Anyone have microcontroller based PCB guidelines?
  9. S

    Need tutorial for high speed digital design

    High Speed Digital Design is purely related to High Speed Board Design and Signal Integrity. FPGA doesn't have any work here.
  10. S

    Need tutorial for high speed digital design

    hi, chk these ones, Download "High speed digital design, A hand book of black magic" by Dr Howard Johnson. https://www.ti.com/general/docs/lit/getliterature.tsp?baseLiteratureNumber=SPRU889&track=no
  11. S

    [MOVED] 4 layer board Stackup

    I think u are asking 50 Ohm single ended trace width and 100 Ohm differential trace width. 7 mil trace on external layers will give u 50 Ohm impedance controlled trace, 6 mil trace width with 8 mil spacing between two traces will give u 100 Ohm differential impedance. U can go for 6 mil trace...
  12. S

    Formula for current carrying capacity of a trace in PCB

    Can anyone explain why we are using De-rating constant in above formula?
  13. S

    Formula for current carrying capacity of a trace in PCB

    Thank u. De-rating constant given in the formula is 0.024 for Inner and 0.048 for Outer. So, i thought it may be related to plating.
  14. S

    Formula for current carrying capacity of a trace in PCB

    Hai, I have used calculators for maximum current carrying capacity of a trace. The formula they used is I= K*(T^0.44)*(A^0.725). Here...
  15. S

    Qualities need for hardware designer

    Hi Gents, I want to become Hardware Designer. Currently I'm working in PCB layout. What else qualities i need to become HW designer?? Pls help me in this.:???:
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