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Recent content by freddy_microwave

  1. freddy_microwave

    need antenna @60Mhz transmitting upto 20 metres

    I think the way is only the "shorten" electrically the radiator, on pcb try to fold a structure to get somehow a resonance, should be ok for 20 meters and nothing in between Freddy
  2. freddy_microwave

    ULTRA WIDEBAND POWER AMPLIFIER DESIGN

    Interesting company, although the webpage appears to be 3rd class interesting products..anyone knows something about the prices compared to motorola? They seem to cut cost where they can, so do they give it to the coustomers? :)
  3. freddy_microwave

    CST Microwave Studio examples

    tutorial cst May be you can put the examples etc. at MCU: **broken link removed**
  4. freddy_microwave

    Request: RF CHAIN CALCULATIONS

    There is a lite version of syscalc 5, which is sufficent for most cases. But also for that they want some registering. Freddy
  5. freddy_microwave

    Request: RF CHAIN CALCULATIONS

    best (because most handy): h**p://www.hp.woodshot.com/ even better(but needs register): h**p://www.ardentech.com/syscalc.asp rock it! Freddy
  6. freddy_microwave

    cst use - any documentation needed

    Re: cst use Maybe some can put there as well some example files from CST, there are "Distributions" that do not contain any.. Freddy :wink:
  7. freddy_microwave

    M*W*O and agilents atf series

    Still I think this is no full implementation of the Advanced Curtice II, which Agilent uses. I have attached the part of the datasheet and marked the parameters that need to be included. Maybe someone else get this pumped into MW0... Freddy :lol:
  8. freddy_microwave

    CST Microwave Studio Examples

    not antennas but public examples of MWS can be found here: h**p://product-support.web.cern.ch/product-support/ae/MWS/applications.html Freddy
  9. freddy_microwave

    Did somebody test amplifier RGA4905 of TRIQUINT?

    triquint tga4905 price Yes nice power ;-) 4W on 24Ghz is a show.. Can you obtain it? In Europe very popular is the CHA 5093TLF, a 1W MMIC at reasonable cost. 73 Freddy
  10. freddy_microwave

    M*W*O and agilents atf series

    Hi, anyone used Microwave 0ffice to model some of the newer ATFs from Agilent(ATF54xxx, ATF33xxx). The used Advanced Curtice 2 model seems to be incompatible with all implemented models in MWO... AWR doesn't like Agilent?? Freddy
  11. freddy_microwave

    Req: PCB Material for 5.6 or 5.8GHz Design

    pcb roger layer ghz Would not use FR4 for any 6GHz design. If you have no problem with the losses be aware that the eps_r drops down with frequency. Its at 4.2 at 2 Ghz (ca. values) coming from >5 at DC. May measure it. Otherwise RO4003 is the best choice with care to the costs. Freddy
  12. freddy_microwave

    help with nonlinear simulation with M/W/O 2001

    Hi, I want to simulate the output IP3 of a LNA design with M/w/O 2001. Or IM3 behaviour. Can it be done from the S-Parameters? How is it done in detail? What source? tnxxx Freddy
  13. freddy_microwave

    U/V hpa design - advice needed

    Re: U/V hpa Power, Gain, Bandwidth, Vcc? I have a GS31b russian triode amp givin me 700W out at 432 Mhz, but I suppose thats not what you are looking for ;-) Freddy
  14. freddy_microwave

    Good practical RF circuits

    nice site, really and of course a ham site ;-) Freddy
  15. freddy_microwave

    linearizer for DVB power amplifier - any producers?

    Linearizer Hi, this linearizer thing is interesting...they talk about it like some kind of mysterium, but it isnt. They have some interestings pdfs at www.lintech.com... linear amps to the world.. Freddy
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