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Recent content by varuniyengar

  1. V

    radio frequency mixer design ,signle ended mixer

    I think he needs single ended mixer not balanced mixer! He needs to feed single ended input not differential input
  2. V

    best processor RAM for running HFSS simulations

    Basically the size of the antenna and the mounting surface determines the workstation specs. Larger the surface more is time required larger RAM and Graphics required
  3. V

    how to design a microstrip antenna with omnidirectional radiation pattern

    Wait till Friday will upload the .dxf and HFSS files!!
  4. V

    need help in mixer design bu ADS

    Use S-Param engine in ADS
  5. V

    how to design a microstrip antenna with omnidirectional radiation pattern

    You will not get omni in all the three planes (PHI-0, PHI-90 and Theta-90) by you get quaziomni in the two elevations!! (no deep nulls)
  6. V

    rectangular UWB patch antenna

    Has someone simulated this patch antenna. If yes please share the simulation geometry (.dxf or .stl)
  7. V

    how to design a microstrip antenna with omnidirectional radiation pattern

    Simple monopole will work FR4 Substrate Copper Element Antenna Dimension - 40x50 (1.54 thickness) Ground Plane - 40x25 (.02 thickness) Radiator - 4x24 (.02 thickness) NOTE: all dimensions in mm
  8. V

    does patch antenna gives omnidirectonal radiation pattern

    Yes, a patch antenna can have omni radiation pattern in Azi and Ele planes. These antennas are used for aerospace applications (as an array), mobile phones use PIFA and can have omni radiation pattern
  9. V

    QR decomposition in matlab

    Can some one help me out in finding the QR decomposition of a Hermitian matrix the code that i have written does not work well with complex clc clear all close all %A = [1 1 1; 1 1 0 ; 1 1 2]; A = [1+6j 1-4j 3-2j; 1+4j 8-1j 2+4j ; 3+2j 2-4j 2]; [qq rr] = qr(A); [m n] = size(A); r =...
  10. V

    ADS 2009 in Debian - start up

    "Though probably you have forgotten to change files: libаgsl . sо" What do i need to change?? Can u post your license file config?? Screen shot of the HOSTNAME and PORT
  11. V

    ADS 2009 in Debian - start up

    SERVER localhost.localdomain ANY 5280 DAEMON agileesofd /home/iyengar/Desktop/ads2011.01_linux/agileesofd Is the hostname and port I start the lmgrd daemon and type ads it asks for the license key or server address i give 5280@127.0.0.1 I get an error saying the license file has been altered!!
  12. V

    ADS 2009 in Debian - start up

    Vigort this is ADS 2011.01. I have successfully installed it without installation of any package for libXm.so.3 but the problem is unable to start the license server it says invalid license!!
  13. V

    ADS 2009 in Debian - start up

    I have installed both i686 and x86_64 versions when is query for the packages its shows the packages!! when i run ads i also get this error /usr/local/ADS**/bin/ads[8]:.[13]:.[70]:.[7]:.[28]: lsb_release: not found [no such file or directory] &...
  14. V

    ADS 2009 in Debian - start up

    First i did this $yum whatprovides "*libXm.so.*" and installed all the packages using yum openmotif-2.3.3-1.fc14.i686 & lesstif-0.95.2-2.fc15.i686 then ran ads to which i got the same error hpeesofde: error while loading shared libraries: libXm.so.3: cannot open shared object file: No such...
  15. V

    ADS 2009 in Debian - start up

    I have installed that now stuck with libXm.so.3 Unable to debug this!! What is the package name for fedorax86_64??

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