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Recent content by siwowox de santos

  1. S

    How to increase the gain for an antenna in IE3D(simulator)

    Re: increasing the gain if u want to increasing the gain in simulation, its too difficult. i think gain value will know if u have measured the antenna coz its compare 2 or three antenna.
  2. S

    question about isdn - its still used at this time?

    ask about isdn hello all i want to ask about isdn its still using at this time? what's next after isdn?
  3. S

    What will be the successor of 3G standard?

    what come after 3gs deal 4G
  4. S

    anyone knows basic of trunking radio

    hello all anyone know the basic of radio trunking......now and the future or anyone of you have tutorial about radio trunking......would you like send it to me? thank's b4
  5. S

    how to design TV antenna using microstrip?

    hello all in this time i want to make tv antenna using microstrip....anyone have tried to make this antenna? what's kind of feed is using for this antenna? proximity couple feed or anything else? thank's b4
  6. S

    [ask] about specification of WLAN antenna?

    thank's guys but in thsi time i want to design proximity coupled antenna the 1st layer is triangular patch and the 2nd layer is transmission line using T-junction like a fork. it design for WLAN b/g in 2.4 GHz n i dont know the spec for this antenna? do you tihink the spec is same with pifa...
  7. S

    [ask] about specification of WLAN antenna?

    in this time, i wnat to design WLAN antenna b/g type. it work at 2.4-2.483GHz and i dont know the spec of it.. thanks b4
  8. S

    [ask] about specification of WLAN antenna?

    wlan antenna spec hi all, i want to ask u about specification of WLAN antenna such as return loss, VSWR, gain, Frequency resonance, and the bandwidth. Thx b4
  9. S

    Which is the best antivirus for XP

    best xp antivirus i use AVG because its free and easy update, but in my country many local virus are most dangerous so i use pcmav? but i think the best anti virus is your self?:D
  10. S

    Need specifications of WLAN antenna

    Re: spec of WLAN antenna in this time i want to design WLAN n i dont know the retutn loss, VSWR, polarization patern?
  11. S

    Need specifications of WLAN antenna

    does any one know the specificationt of WLAN antenna? thx b4
  12. S

    Looking for a FR4 with loss tan: 0.0001, epsilon r 2.2 and thickness 0.8mm

    fr4 versus rogers r u request to rogers corp? or buying in ur country? thanks abityagi85 Added after 8 minutes: r u request to rogers corp? or buying in ur country? thanks abityagi85 would u to give some information how to get the subtrate?
  13. S

    Looking for a FR4 with loss tan: 0.0001, epsilon r 2.2 and thickness 0.8mm

    rogers fr4 spec is it has same spec with duroid? Added after 34 minutes: really, if i want to request it they will give me some sample......

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