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Recent content by alongsh

  1. A

    How can I buy this type of ADs and DAs?

    Hi guys, who can tell me where I can buy this type of ADs and DAs: 8bits,500MHz, such as MAX101,MAX104,SPT7750/55/60,tda8776,tq6122? Has somebody know this ?or somebody will share with me? I am now in china.
  2. A

    how to measure the noise up to 1.6ghz use the HP 8970A

    using hp8971c 1.5 mod
  3. A

    A good forum for RF design

    http://www.circuitsage.com/ is really a nice site.
  4. A

    dds ad9858 - useful info needed

    dds ad9858 hi,all I am desinging a singal generator by ad9858. Who can help me find some useful information about ad9858? or give me some helpful design articals and advice.
  5. A

    How i can design a LNA with PCS1900 band?

    u can turn to agilent atf54143 application.
  6. A

    FR4 dielectric constant

    fr4 dielectric constant at 3ghz I am using FR4(4.6 orso) @ 2 GHz and Its very good.
  7. A

    Buying components online - opinion needed

    I have some ad9854,but i am in China
  8. A

    Looking for resources on Digital Direct Synthesizer

    yellowtooth hi,what i want is the theory, could you upload some?
  9. A

    Looking for resources on Digital Direct Synthesizer

    i once used ad9854 to generate a chirp signal and found it easy to control,but the shortcoming is that the power dissipation about 1w. anyone can recommend a lower power dissipation one?
  10. A

    Information about impedance matching

    smith chart is a good and old tool.
  11. A

    large signal impedance match,help!!!

    the buffer amplifier can easy match to 50ohm
  12. A

    how i design LIFO on FPGA

    hi,all i think a lot of websites provide original program for both Asynchronous and synchronous fifo design. good luck!
  13. A

    Advice needed for balun structure

    you can visit Minicircuits website to choose what you need.
  14. A

    how to design 0.01-1GHz low noise amplifier?

    I think it difficult to design a match circuit in this too wideband .
  15. A

    generating other wave with DDS

    ad9854 will fit for u i used it to generate sigle tone,fm signal and so on.
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