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Recent content by ehsan_r34

  1. ehsan_r34

    1024*1024 standard image request

    Thank you very much. But I didn't find 1024*1024 resolution of these images.
  2. ehsan_r34

    1024*1024 standard image request

    Hi I need 8 standard images with 1024*1024 resolution. could you please help me?? 1-Cameraman 2-goldhill 3-peppers 4-barbara 5-Baboon 6-airplain 7-West.Con. 8-Man
  3. ehsan_r34

    [SOLVED] Please help me convert Allegro .brd file to Altium .PcbDoc or .pcb file

    I have a problem when i want to convert the brd file to pcbdoc! please help me. could you please convert it for me or guide me? TVM
  4. ehsan_r34

    spice model for AD8310 (a log amp detector)

    spice model for AD8310 Any one?!
  5. ehsan_r34

    spice model for AD8310 (a log amp detector)

    spice model for AD8310 Hi Dear friends; I,m looking for a spice model for AD8310 (a log amp detector). I found a model in Analog Devices but it doesn't work!! Please help me. :cry:
  6. ehsan_r34

    Log amp simulation in MATLAB

    Dear friends Hi; I want to simulate a logaritmic amplifier (for example AD8310) in MATLAB. The input signal is a modulated sin-pulse. What can I do? Thanks
  7. ehsan_r34

    IF Filter response - help needed

    IF Filter response Thanks But the problem is that the delay is very important in my system. I want to use an IF filter that I don't miss the instant of begining of signal. So I want to know, Dose the (Group)delay of the filter damage my signal? Thank you
  8. ehsan_r34

    What does it mean finite on-resistance etc..

    What does it mean? finite on-resistance probably means for example for a switch the resistance of on-mode is not zero. non-zero transition time means that the input go to output with a delay or the change of output from a voltage to other voltage take a time.
  9. ehsan_r34

    IF Filter response - help needed

    IF Filter response Hi dear all; I want to know if a 'modulated RF sin-wave signal with a 40ns PW' pass the IF filter with Fc=300MHz and BW=80MHz, what is the output delay or signal form. If you know, please introduce a reference. Thanks
  10. ehsan_r34

    some questions about RF system design

    Re: VGA Dynamic Range Thank you karesz I mean, if the RF signal we need to saturate the log amp was (for example) -10dbm and we give a signal larger tham -10dbm what happen for log amp? If log amp works normally in saturation,dose the delay of log amp change?
  11. ehsan_r34

    some questions about RF system design

    Re: VGA Dynamic Range Please help if you know :?:
  12. ehsan_r34

    some questions about RF system design

    VGA Dynamic Range Hi Dear all; I have some questions about RF system design. It is very important. Please help... 1- What is the Input Dynamic Range of a "VGA"(Variable gain amplifier)? for example AD8367 2- In a Log Amp Detector if we give a signal larger than it need to saturate the log...
  13. ehsan_r34

    What's the value of "µnCox" in 0.18u technology?

    Dear all Hi Please let me know the value of "µnCox" in 0.18u technology. Thank you ER
  14. ehsan_r34

    ADC in Matlab simulink

    matlab simulink adc if I want to work with R and C model or other elements (in simscaps ;Electrical elements) in simulink, then How should I see the output? The scope dosen't work!!
  15. ehsan_r34

    Some HSPICE tutorials for beginners

    Re: HSPICE help This might be useful.
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