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Recent content by memed09

  1. M

    DC Voltage controlled contactor

    thanks kak111! really appreciated...
  2. M

    DC Voltage controlled contactor

    something like these? PHOENIX CONTACT http://www.farnell.com/datasheets/94666.pdf there are lots of specifications make me confused....
  3. M

    DC Voltage controlled contactor

    hi all, i need a contactor which i can control by a dc voltage. It should be a contactor with dc voltage input, when input is HIGH, 24v-30v DC, the contactor will connect the outputs. output will drive 220V AC, i will use it to turn on the lights. anyone has any experience or knows anything...
  4. M

    sensors: (wlan) wireless data transfer

    xbee is what i am searching for, i guess. wireless communication with ADC.
  5. M

    sensors: (wlan) wireless data transfer

    hi all, I want to make a project with sensors. Basicly i will have 2 3 analog sensors which i will connect to ADC. I want to have something like a wlan adapter (RS232 to wlan converter, etc) which i will connect to ADC to get (the data from sensors) the output through WLAN. A simple block...
  6. M

    LEO satellite calculation examples

    hi all, does anyone have any document with examples of LEO orbit calculations? regards, memed
  7. M

    Gaussian Function Generator!

    Hi all, I need any document related to Gaussian Function Generator. Especially those with schematics, CMOS designs. thx,
  8. M

    How to divide the big transisitor in layout using cadence?

    try to use smaller parallel transistors instead of one big. you can do it by using fingers width.
  9. M

    What does FO4 stand for ?

    What is FO4? Fan-out of 4 is a concept in electronics referring to the gate capacitance between two consecutive stages. In recent CMOS processes, it is generally the case that the minimum delay in an inverter chain occurs when each succeeding inverter has a gate capacitance 4 times larger than...
  10. M

    can we change mac address??

    why changing your mac address is dangerous so what happens when you change your MAC address?
  11. M

    can we change mac address??

    is it dangerous to change your mac address I think that it is possible...but you need to ask yourself is this necessary?
  12. M

    The bjt and cmos process

    for impedance cmos is useful and for high speed switching BJT is useful BJT is better than cmos in noise performance of the circuit but cmos is better than bjt in integaration My advise is to use CMOS but pay attention to poles and zeros while you are designing the filter
  13. M

    Active Filter Layout Questions

    Are you using 2 cascaded 2th order filter or one 4th order filter topology? if you are usign 2 cascaded filters then the output of the first stage can affect the second stage. and i think that the problem is related to poles and zeros.
  14. M

    Active Filter Layout Questions

    Analog design is much more diffucult then digital. In schematic design did you arrange the AS,AD,..etc.?Because these parameters are all set in schematic design and tr.s are excepted to be ideal. But in layout it's completely different. All parameters change in layout. And also in schematic you...
  15. M

    Digital design question

    i think it's not possible to design a XOR gate using X and Y... (at least i can not able to do that...)
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