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Recent content by hr

  1. H

    Looking for resources on microwave mixer design

    you can find some other paper in www.wj.com
  2. H

    How to measure the antenna return loss on high power test?

    yes,to measure the foward and reverse power as above topic,you can get the vswr at high power conditions.
  3. H

    is there a tool to design RF circuits?

    I design my microwave circuit using autocad too.
  4. H

    Mini circuits Mixer Biasing

    mini-circuits mixer some passive mixer need bias voltage
  5. H

    who can help me with some pdf?

    now,many paper in amwireless cannot be download!
  6. H

    Power plane to be regarded AC GND?

    In my design,I would have splitted the whole power plane to two part: GND and POW.
  7. H

    how to measure the mismatch between I and Q in receiver

    I dont think digital oscilloscope can give unbalance information of I/Q signal in detail.I just know if you use the Agilent instrument -89600,you can get the result what's you want.Other instruments can demoulate the input I/Q signal are your choice too.
  8. H

    Best SW for RF Simulation

    If you are a communication system designer,you have better to use ADS. It takes long time to control it,but you will get much help from it.I think other EDA software cannot reach that level.
  9. H

    RF SAW filters - typical and minimum insertion loss

    oh,i agree with mr_ghz very much.you know,saw filter is called customer device,so you must give the specification to the designer,for example,bandwidth,insertion loss,vsws,balanced or sigle end in/output.... the epcos and thomson are very good and big saw filter supplyer.
  10. H

    What is better Micorwave Office 2002 or Genesys 8.11?

    IF you want to simulate some new comm. system,you do choose ads;
  11. H

    reduction of antenna size in satellite communication

    i agree with flatulent;it is impossible to reduce the nf more;
  12. H

    What is better Micorwave Office 2002 or Genesys 8.11?

    i think no rf eda software can exceed the ads!because ads has much system simulate tools;
  13. H

    How to design and characterize the Test Fixture?

    i made some test fixture to mearsure microwave filter and amplifier above 10ghz freq.
  14. H

    I'm looking for an HP AN....

    you can get it in agilent web site!

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