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Recent content by clk

  1. C

    Is it possible to design an antenna for both 2.4G and 5.8G?

    Re: Is it possible to design an antenna for both 2.4G and 5. Hi, Try this link **broken link removed** Clk
  2. C

    Highest resistivity of Silicon available

    Why don't we use intrinsic silicon? It seems to be the one with the highest resistivity? clk
  3. C

    Books about using finite element method in HFSS

    ansoft hfss ebook This file, and more, is available at **broken link removed** or **broken link removed** enjoy, clk
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    Power supply for RF circuit LNA

    Hi, I'm trying to test a LNA but the only thing I get in the VNA is similar to noise. When we need to connect the VDD and GND of a LNA to a power supply that is outside the test chip, we introduce a long path for the current. Or not? It seems to me that the chip needs to have the power supply...
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    Measuring RF signal with high impedance probes?

    Thank you for your idea about the divisor, flatulent. But I still have a problem. I need to do on-chip measurements and I would like to skip the job of adding a pcb. Also, when adding a pcb I need transmission lines that will load the output of my circuit. About your idea of inductive loop, I...
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    Measuring RF signal with high impedance probes?

    Hi all, I would like to know if it is possible to measure a RF signal (lets say at 5 GHz) at the output of a VCO, which is driving a PLL, without the need to design a buffer/driver/matching network at 50 ohm. To have the circuit working I need a probe with around 1 kohm. I asked to some...
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    Time domain measurements with spectrum analyzers

    how to set spectrum analyzer in time domain Hi people, Is it possible to measure/view a signal in time domain using a spectrum analyzer? If yes, how? I asked a seller from agilent and the guy told me that what I need to do is to set the spanning frequency to zero?! Is that so? Thanks in...
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    PCB prototype manufacturer

    I have found this directory: https://www.pildal.com/index.php?option=content&task=view&id=27&Itemid=51 with pcb manufacturers by country clk
  9. C

    Differences between HFSS Simulation Result and Agil ent's AD

    Re: Differences between HFSS Simulation Result and Agil ent' I've used both software and I don't think @DS is more accurate and faster than HF@S. It depends on the structures you want to simulate and how long you want to wait for results. If you try to use @DS to simulate a circular inductor...
  10. C

    network analyzer the price

    Please try again. Don't forget to change the "@" in the link by an "a". clk
  11. C

    network analyzer the price

    about USD 68,000, but Check @gilent website **broken link removed**
  12. C

    Where to find CMOS/BiCMOS 0.35 µm Design Documents?

    0.35 µm Design Documents Does anyone knows where to find CMOS/BiCMOS 0.35 µm Design Documents? Design rules? Spice parameters? Thanks
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    what is the smallest RF connector i can have?

    I need it for 6 GHz. But my critical spec is the size. The 3.5 mm usually have 6x6 mm2. I have a device that is 4x4 mm. I'll check your links to see what I can get. thks
  14. C

    what is the smallest RF connector i can have?

    Small RF connectors Hi guys, what is the smallest RF connector i can have? is it possible to interface it with 3.5mm connector? where can i buy, in europe, good and low budget RF connectors/cables? thks
  15. C

    Z difference pdf download

    for me it is downloadable. is better if you try again. just copy paste the link and when trying to access that link you will be asked to save the file
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