<div dir="ltr">So not within the USD 500 budget? How much did it cost in the end? Is it small so it easily fits on your desk? Does it have a VGA output port? It doesn't run windows and it is a serious bit of kit, around USD 12000 when if first came out!<div><br></div><div>For those not worried about running Windows I would suggest this setup as the best value dedicated oscilloscope / signal analyser setup:<br><div><br></div><div>Windows 8 tablet with usb2 port = USD 200 </div><div><a href="http://www.amazon.com/Windows-Fusion5">http://www.amazon.com/Windows-Fusion5</a>®-Ultra-Design-Tablet/dp/B00YCX7SGU/ref=sr_1_2?s=pc&ie=UTF8&qid=1445995905&sr=1-2&keywords=acer+windows+tablet+usb+full+size<br></div><div><br></div><div>PicoScope 5000 16-bit usb scope = USD 1155</div><div><a href="https://www.picotech.com/oscilloscope/5000/flexible-resolution-oscilloscope">https://www.picotech.com/oscilloscope/5000/flexible-resolution-oscilloscope</a></div><div><br></div><div>Total Price = USD 1355</div><div><br></div><div>The PicoScope 5000 look like an awesome bit of kit, I've got one of the older 12-bit models and it works great, but this one offers either 4 channels of 8 bit or 2 channels of 15-bit or a single channel of 16-bit, it has sweepable signal generators as well as a DAC based arbitrary waveform playback output. You could also but a 24-bit usb sound card for really low amplitude distortion analysis, it operates all off battery so it's portable, and you could configure windows to boot straight into the oscilloscope software.<br></div><div><br></div><div>Cheers,</div><div><br></div><div>Andy</div><div><br></div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 28 October 2015 at 01:28, Jean-Pierre Desrochers <span dir="ltr"><<a href="mailto:jpdesroc@oricom.ca" target="_blank">jpdesroc@oricom.ca</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I finally decided to go for this:<br>
<br>
HP 35660A (with option 001 memory installed)<br>
<a href="http://www.sglabs.it/public/SgLabs_HP%2035660A.pdf" rel="noreferrer" target="_blank">http://www.sglabs.it/public/SgLabs_HP%2035660A.pdf</a><br>
<br>
It was not cheap but around one third of eBay's mean prices<br>
for those working condition HP testers..<br>
and the dealer was 1 hour car ride from my home.<br>
I think it's a good investment.<br>
Ooooff !<br>
<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
Le 2015-10-26 11:18, Neil Johnson a écrit :<br>
<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Jean-Pierre Desrochers wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Do you know of a cheap audio spectrum analyzer I could buy to check 20-20khz frequency response on audio stuff ?<br>
</blockquote>
Define "cheap".<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
That would includes sinus generator + analyzer in the same box.<br>
</blockquote>
Ok.<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I checked on eBay and most analyzers are RF band based and are so $$$$$ expensives. But 2 things:<br>
</blockquote>
You're looking for the wrong kind of thing.<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
- I don't want to use analysis software on a separate PC - Any DIY projects with micro/graphic LCD would do.. I want a standalone analyzer.<br>
</blockquote>
Well, for a complete standalone box I would recommend an HP Dynamic<br>
Signal Analyser, such as the venerable 3561A, or something a little<br>
more modern such as a 35660A. Pros: all-in-one, built-in screen, will<br>
do amplitude and phase response. Cons: dynamic range ok but won't get<br>
down to the very low levels of noise and distortion.<br>
The next step up would be audio analysers, such as the HP 8903 or<br>
something from Audio Precision. While the 8903 does have a built-in<br>
computer and can do sweeps, the display is 7-seg LED so you'll need a<br>
pencil and some graph paper. The Audio Precision kit needs an<br>
external control computer, but can measure the very lowest noise and<br>
distortion.<br>
Again, what do you mean by "cheap"...? What is your budget, and what<br>
level of performance do you want to measure?<br>
Neil<br>
--<br>
<a href="http://www.njohnson.co.uk" rel="noreferrer" target="_blank">http://www.njohnson.co.uk</a> [1]<br>
</blockquote>
<br>
<br>
<br>
Links:<br>
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