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Re: [softrock40] el cheapo super low end barely usable oscilloscope?

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  • Brad Thompson
    Hello-- The 54x scopes accommodated a wide range of plug-ins, including the type N 600 MHz sampling plug-in, the 1S1 1 GHz sampling plug-in, and several
    Message 1 of 12 , Oct 31, 2008
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      Hello--

      The 54x scopes accommodated a wide range of plug-ins, including the
      type N 600 MHz sampling plug-in, the 1S1 1 GHz sampling
      plug-in, and several spectrum-analyzer plug-ins. The sampling units
      have a 50-ohm input impedance and are limited to a
      few volts maximum inputs, but they're definitely capable of seeing RF
      beyond the scope's nominal bandwidth.

      The spectrum-analyzer plug-ins are somewhat nonintuitive to use but
      can deliver usable results. Repairing any of these high-end
      plug-ins will be difficult for a nonspecialist, so get one that works reliably.

      The best of the 54x family, in my opinion, is the 547, which has the
      sharpest-focusing CRT of any o'scope on the market.
      You can (figuratively speaking) shave with the trace<g>.

      Finally, while photographing a scope's CRT formerly required a
      special camera that used Polaroid(tm) film, you can do the same
      job with a digital camera. Give it a try, and you'll be pleasantly
      surprised at the results.

      73--

      Brad AA1IP
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