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Extending the range of an o'scope or SA

Discussion in 'Radio and Communications' started by Mosaic, Dec 14, 2015.

  1. Mosaic

    Mosaic Well-Known Member

    Joined:
    Jun 3, 2010
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    Location:
    Caribbean
    Hi all.

    I'd like to look at the time/frq domain in the 2.4Ghz Wifi and bluetooth band.
    Perhaps to tune antennae, VSWR, cabling or just see how spread spectrum works.

    I have a 1.5Ghz DSA 815 TG SA.

    Is it reasonable to build a 2Ghz L.O. and mixer followed by a 2Ghz hi pass filter, allowing for 300Mhz of roll off bandwidth, so that I can reasonably look at the 2.3Ghz to 3.5Ghz band on the DSA 815?

    I have a 35mhz to 4.4Ghz signal source.
     
  2. Tony Stewart

    Tony Stewart Well-Known Member Most Helpful Member

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    Location:
    Richmond Hill , ON Canada near Toronto
    I use a WiFi Radar software that reads the chip RSSI signal with < 1dB resolution. It's very effective at tuning the antenna for fading loss reflections. It gives graphs in log dB and time scale
     
  3. Mosaic

    Mosaic Well-Known Member

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    Location:
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    Any phasor info?
     

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