[time-nuts] Chinese Scopes
jfor at quikus.com
Tue Apr 17 14:35:06 UTC 2012
> I need lots of memory on scopes. A buddy of mine I worked with in the
> ultrasound world actually yelled at the Tek product management and
> asked if they actually *use* oscilloscopes. The answer was a sheepish
> no, and yet they felt qualified to develop the products for the
Yeah!! That's Danaher-Tek, which is not the REAL Tek. Now it's run by
suits, not engineers.
> The cheap Aktakom scope I have has plenty. 10 million samples (you
> can select less if you want) and will write out to usb thumb drives.
> It's definitely a toy scope with lots of noise, but it's useful for
> some things.
> What we do is send out pulses or chirps and look at what returns.
> There are tens of millisecond delays between what we send out and what
> we receive and the echos. With traditional low memory scopes we
> simply can't get by. Thankfully Tek is learning that memory is cheap
> and 2500 samples was hardly sufficient in the 70s, let alone now!
Right. That's exactly my point w/ the LORAN-A stuff. Even to roughly the
same PRI and carrier frequency.
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