Home    Bloggers    Messages    Webinars    Resources
Tw  |  Fb  |  In  |  Rss
Michael Dunn

Scope Notes: Agilent, Tektronix, & More

Michael Dunn
Newest First   Oldest First   Threaded View
MD
MD
5/4/2012 5:26:08 PM
User Rank
Blogger
Chaos Machine
The Chaos Machine articles are available here – legitimately I assume!

University of Reading

 

 

50%
50%
nsuresheee
nsuresheee
5/1/2012 3:35:39 AM
User Rank
Mayor
Re: Datasheets.com
Afritgo, I'm one of the user of datasheet.com...Even I use it for my every day referal for data sheets..

50%
50%
womai
womai
4/20/2012 4:28:14 PM
User Rank
Mayor
Re: Agilent's record short-lived
Yeah, fully agree (actually just waited for somebody to respond with that argument) - but then again, for decades Tek used to lead AND meet (or exceed) their specs.

50%
50%
MD
MD
4/20/2012 4:24:39 PM
User Rank
Blogger
Re: Agilent's record short-lived
> I'd love to see them leading rather than following again!

But then again, if leading means delivering something that only half-works (you mention unmet specs...), I'll take a bit of following!

Don't you hate it when you spend $150K, and the specs just aren't there...  ;-)

50%
50%
womai
womai
4/20/2012 4:12:55 PM
User Rank
Mayor
Re: Agilent's record short-lived
As a long-time Tek user, I've observed that for the last few years Tek seems to be about a year behind the competition. They do bring out similar scopes and options than the others, they do deliver quality and they do consistently meet their specs (something that in my first-hand experience not every competitor can claim...), but they do so later that the others. Examples are the phase reference module for the TDS/CSA8200 series, and the whole series of high-end real-time scopes. I'd love to see them leading rather than following again!

50%
50%
MD
MD
4/20/2012 11:17:17 AM
User Rank
Blogger
Re: homebrew TDR
The pulse generator in the article is pretty sad! A 555, driving paralleled 4000-series CMOS! Would've been a great circuit, 30 yrs ago. Well, not really. But the article itself is a good introduction. Easy enough to change the circuit to a 74AC Schmitt or better.

I'm tearing apart a scrapped DVD player. Hopefully, I can get it to give me some nice HDMI edges. Interestingly, the HDMI lines have 4.7Ω resistors in series.

50%
50%
MD
MD
4/19/2012 9:57:15 AM
User Rank
Blogger
Agilent's record short-lived
LeCroy has announced a 65GHz real-time scope:

http://www.marketwatch.com/story/lecroy-announces-worlds-fastest-65-ghz-real-time-oscilloscope-2012-04-19

How long did Agi's record hold? A week? :-)

Not only that, but LeCroy is saying their technology will take them to 100GHz by some time next year. Boggles the mind.

Okay Tek, it's your turn!

50%
50%
MD
MD
4/17/2012 9:22:47 PM
User Rank
Blogger
Agilent analysis software
I've got some further pricing info for the various optional components of Agilent's off-line InfiniiView waveform analysis software:

Just to start out with a small shock, a fully outfitted suite of tools will set you back $21K. That is a lot of tools however. And... The license is floating. You don't need to outfit every scope or engineer's PC with a set. You can share.

Here are a few examples to give you an idea of the price range:

$1200 Low-speed serial (I2C, SPI, async) (where's the I2S?)

$1800 10GigE

$1000 JTAG (cool – haven't seen JTAG decode before)

$2000 PCIe Gen3

$1000 SAS/SATA

$1000 USB

$1500-$4500 Jitter

$3000 Serial data analysis

 

50%
50%
afritgo
afritgo
4/17/2012 9:09:14 AM
User Rank
Mayor
Datasheets.com
Datasheets.com is a very valuable resource tool for those looking for parts.  It is simply the repository of all things parts and datasheets in our industry. I use it weekly and it is immensely useful. Now, they have got this promo where you can win a Kindle if you refer someone. That makes it evern better.

On these processing software or kits by scope makers which is becoming a trend, I think they hope to build an ecosystem where people will spend lesser time trying to transfer data to Matlab. Some Tek scopes now allow you to do FFT and other things. As they continue to build these functions, Matlab needs to see if they can just license their CAD to be bundled inside scopes.

50%
50%
womai
womai
4/17/2012 4:53:20 AM
User Rank
Mayor
homebrew TDR
you wouldn't have a reprint of the Elektor article, would you? :-)  (the Elektor site wants you to pay for access so I can't see what the article says). Is it the well-known circuit made from a few 74HC-gates in parallel, each with a series resistor in front? (has even be mentioned on this site a while ago, see http://www.epanorama.net/circuits/tdr.html for what I mean), or is it something more sophisticated? Is it only the step generator (so you need to supply your own scope), or does it include the sampler?

Actually generating fast rising steps or short pulses is pretty easy nowadays - just use e.g. a MC100EP-Series PECL gate - the catch is usually obtaining a sampler (e.g. scope) with enough bandwidth; not everybody has a 2+ GHz scope in his/her basement!

50%
50%
More Blogs from Michael Dunn
Do you live in a high-tech region? Can you telecommute? Let's share our working circumstances.
Characterizing very low jitter needs a phase noise analyzer.
Can a pair of magic notches improve headphone listening?
High-resolution (12-bit) scopes have been making headlines. Here's what you should know about them.
Help me pick a cheap Chinese Android tablet. Please.
flash poll
twitter
like us on facebook
Scope Junction    About Us     Contact Us     Help     Register     Twitter     Facebook     RSS