[Amps] 87a will tell you, too - measuring overshoot

[Jim Barber]

I have a 100mHz Rigol dual-trace DSO.
I haven't put it to any exhaustive tests, but so far have no reason to 
complain.
It's small, (but has a decent color display) light, fairly accurate and 
saves
pretty color screen shots to a USB thumb drive. Keeping those shots "for 
later"
is something that can save a lot of time and grief if you have equipment you
may end up servicing more than once over a period of time, or need/want to
compare stored patterns to some reference for some reason.

I paid less than $400 for it brand new from a reputable US-based supplier,
with two 100mHz probes and full warranty.

My .02, or perhaps a little more -
Jim N7CXI

On 8/15/2012 7:16 PM, Paul Christensen wrote:
>> At a recent hamfest, i saw knockoff DSOs of Tek made by Rigol of Beijing.
>> I wouldn't trust these for calibration and use at work, but wow, the
>> prices were incredible.
>
> There are several scope suppliers from China, Rigol being one.  They're
> probably accurate and reliable enough and I believe Wes Hayward, W7ZOI uses
> one in his design work.  At the recommendation of Jeff, AC0C, I purchased a
> Hantek DSO5102B.  These scopes all have a similar look and feel.  I wouldn't
> be surprised if the Tek DSO was made by Rigol under contract.
>
> Recently, Rigol has introduced a line of very inexpensive RF spectrum
> analyzers that offer very good res. bandwidth performance.  These are
> portable analyzers with hi-res SVGA screens.  If the specs can be believed,
> they appear to be at least on-par with HP from about a decade ago.  Screens
> are multi-color with 10 divisions (100dB) of on-screen dynamic range.
>
> Paul, W9AC
>
>
>
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