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<p>From what I understand, the original design was a Cypress EZ USB FX2 reference design just configured for sampling bits, and all the smarts are in the free-to-download PC software. With that in mind I will leave this here, with out any comment on the moral dilemma it presents:</p>
<p>https://www.aliexpress.com/item/New-USB-SALEAE-24M-8CH-Logic-Analyzer-W-Lines-and-USB-Cable-for-SCM/32778984625.html</p>
<p>But do have a listen to http://theamphour.com/237-an-interview-with-joe-and-mark-garrison-subtly-spelling-sayleeay/ - it is a very interesting.</p>
<p>Mike</p>
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<p>On 10.04.2017 09:34, Charles Manning wrote:</p>
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<div class="gmail_quote">On Sun, Apr 9, 2017 at 7:06 PM, Mark Atherton <span><<a href="mailto:markaren1@xtra.co.nz">markaren1@xtra.co.nz</a>></span> wrote:<br />
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<div class="m_-1398887733270128871moz-cite-prefix">Which Salaea do you have Charles ?<span class="HOEnZb"><span style="color: #888888;"><br /></span></span></div>
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<div>I have one of the old original ones: 8-bt, 24MHz devices they don't sell any more. The new devices are up to 100MHz. Small print: you probably can only get 100MHz if you're sampling 2 or 4 bits.<br /><br /></div>
<div>At one customer's place there was a problem with some SPI comms getting screwed up. Very intermittent (one per hour or more). They had a $20k logic analyser with about a 1-minute deep buffer. Could not catch the problem.<br /><br /></div>
<div>We set up the salaea and ran it for an hour. Problem captured. Problem fixed 20 minutes later.<br /><br /></div>
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<div class="m_-1398887733270128871moz-cite-prefix"><span class="HOEnZb"><span style="color: #888888;"> <br /> -Mark</span></span>
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<div class="h5"><br /><br /> On 9/04/2017 6:24 PM, Charles Manning wrote:</div>
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<div>I'm with Mike on this.<br /><br /></div>
Nice looking kit, but a real pity it only has 16k buffers.<br /><br /></div>
Being able to stream with the Salaea makes for something quite amazing. I've used it for logging, then analysing many hours of samples.<br /><br /></div>
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<div class="gmail_quote">On Sun, Apr 9, 2017 at 3:24 PM, Matthew Pike <span><<a href="mailto:jumbledthoughts389@hotmail.com">jumbledthoughts389@hotmail.com</a>></span> wrote:<br />
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<p>Seems like my shopping kart link doesn't work (at least not on my smart phone).<br /> These are the items I was referring to:</p>
<p><tt>$442.86 Analog Discovery 2 <a class="m_-1398887733270128871m_-6076370136158812100moz-txt-link-freetext" href="http://www.digikey.co.nz/product-detail/en/digilent-inc/410-321/1286-1117-ND/5810115"> http://www.digikey.co.nz/product-detail/en/digilent-inc/410-321/1286-1117-ND/5810115</a></tt><tt><br /></tt><tt> $23.79 Set of 6 Mini Grabbers <a class="m_-1398887733270128871m_-6076370136158812100moz-txt-link-freetext" href="http://www.digikey.co.nz/product-detail/en/digilent-inc/240-052/1286-1050-ND/4090099"> http://www.digikey.co.nz/product-detail/en/digilent-inc/240-052/1286-1050-ND/4090099</a></tt><tt><br /></tt><tt> $31.73 BNC Adaptor board <a class="m_-1398887733270128871m_-6076370136158812100moz-txt-link-freetext" href="http://www.digikey.co.nz/product-detail/en/digilent-inc/410-263/1286-1073-ND/4840860"> http://www.digikey.co.nz/product-detail/en/digilent-inc/410-263/1286-1073-ND/4840860</a></tt><tt><br /> $31.73 2 BNC Oscilloscope Probes <a class="m_-1398887733270128871m_-6076370136158812100moz-txt-link-freetext" href="http://www.digikey.co.nz/product-detail/en/digilent-inc/460-004/1286-1075-ND/4840870"> http://www.digikey.co.nz/product-detail/en/digilent-inc/460-004/1286-1075-ND/4840870</a><br /> $530.11 (Total)<br /></tt></p>
<p><tt>I can stand to skip the mini grabbers, and maybe get cheaper BNC probes elsewhere, but I am still looking at ~$500.<br /> That's the most I've every considered spending on electronics equipment. Christchurch Robotics may be bad for my wallet :)</tt></p>
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<p><tt>Matt Pike<br /></tt></p>
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<div class="m_-1398887733270128871m_-6076370136158812100moz-cite-prefix">On 8/04/2017 11:09 a.m., Matthew Pike wrote:</div>
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<p>Looks good to me - I'm going for the Pro Bundle, as I'd like some BNC scope probes with it.</p>
<p>Here's a shopping kart at Digi-Key, with the equivalent items. $530.11. (<a class="m_-1398887733270128871m_-6076370136158812100moz-txt-link-freetext" href="http://www.digikey.co.nz/short/3w53b8">http://www.digikey.co.nz/short/3w53b8</a>)</p>
<p>If you just want the scope, $442.86 from Digi-Key. Much better than Element 14 or RS-Online</p>
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<p>Matt Pike</p>
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<div class="m_-1398887733270128871m_-6076370136158812100moz-cite-prefix">On 5/04/2017 6:57 a.m., Mike Field wrote:</div>
<blockquote type="cite" style="padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px; width:100%">If anybody wants to try before they buy I can lend you mine for a few days.<br /><br /> Pretty much a jack of all trades, master of none - main restriction being usable bandwidth and sample buffer sizes are limited.<br /><br /> For purely digital work a Saleae is 100x better as samples are streamed to the PC for analysis and decode.<br /><br /> For analogue work a low end Scope with real probes is better/usable, and has more bandwidth.<br /><br /> Any bench PSU would be a better PSU. <br /><br /> But it is integration of all the functions that is awesome, esp between the signal generator and the scope inputs (so you can test phase and freq response of the system under test).<br /><br /> However it does fit in the palm of your hand, making it handy if working within its limitations. Much like any Swiss Army Knife/Leatherman tool I guess <br /><br /> Mike<br /><br />
<div class="m_-1398887733270128871m_-6076370136158812100quote" style="line-height: 1.5;"><br /><br /> -------- Original Message --------<br /> Subject: [chbot] Diligent USB test tools<br /> From: Mark Atherton <br /> To: Christchurch Robotics <br /> CC: <br /><br /><br />
<blockquote class="m_-1398887733270128871m_-6076370136158812100quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;">All,<br /><br /> Have just been forwarded this message, and am taking the liberty of <br /> passing it on, since it had been forwarded sever times before it reached <br /> me...<br /><br /> Looks like they are $568.84 from element 14, even so, an interesting <br /> piece of kit.<br /><br /> -Mark<br /><br /> =========================<br /><br /> Just received an Analog Discovery 2 unit for $279 - <br /><a class="m_-1398887733270128871m_-6076370136158812100moz-txt-link-freetext" href="http://store.digilentinc.com/analog-discovery-2-100msps-usb-oscilloscope-logic-analyzer-and-variable-power-supply/">http://store.digilentinc.com/analog-discovery-2-100msps-usb-oscilloscope-logic-analyzer-and-variable-power-supply/</a><br /><br /> - Farnell have them for about GBP 220 <br /><a class="m_-1398887733270128871m_-6076370136158812100moz-txt-link-freetext" href="http://uk.farnell.com/digilent/410-321/oscilloscope-usb-2-ch-30mhz-100msps/dp/2528523">http://uk.farnell.com/digilent/410-321/oscilloscope-usb-2-ch-30mhz-100msps/dp/2528523</a> <br /> .<br /><br /> This is an interesting bit of kit - it's a cooperation between Analog <br /> Devices (who do all the signal conditioning and interfacing) and Xilinx, <br /> who do the logic, but put together by Digilent, who sell Xilinx <br /> development systems... Initially just a reference design, i.e. a <br /> technical paper, they realised that they had something pretty neat on <br /> their hands, so made it a product.<br /><br /> The design has turned into a really cool bit of kit at a very acceptable <br /> price - a full design rationale is available as are all the schematics <br /> etc. in the reference manual (also on the Farnell page). Its a really <br /> nice unit... Two programmable supplies, 2 waveform generator channels, <br /> 16 logic channels. Lots of analog too. 14-bit A/D/A as well, not the <br /> usual 12-bit...<br /><br /> Very few compromises have been made - by using 14-bit DACs and ADCs, it <br /> compares very favorably with far more expensive units. The software is <br /> also extremely stable.<br /><br /> As a small unit to keep with the laptop, there's not a lot to argue <br /> about... I keep mine with the laptop at all times. The wiring harnesses <br /> are only $10/each, so I leave those attached to the boards I'm working <br /> on - the WaveForms (free) software has the concept of projects which <br /> contain the configurations of all the devices on the AD2 that you are <br /> using for each setup, so switching boards takes literally a minute (or <br /> less).<br /><br /> I was using it on the flight from the UK back to the UAE last week - I <br /> had my laptop out, a Texas Instruments MSP-EXP430FR5969 development <br /> board and the Analog Discovery - 6 hours of uninterrupted development <br /> time - USB-powered dev environments are wonderful. No problems from <br /> other passengers or the crew - I told the steward in advance I was an EE <br /> and that I'd be working on the 'plane - I also made sure to keep any <br /> blinking LEDs concealed<br /><br /> I also have the probe expansion board - just so cute!<br /><br /> * Two-channel USB digital oscilloscope (1MΩ, ±25V, differential, <br /> 14-bit, 100MS/s, 30MHz+ bandwidth - with the Analog Discovery BNC <br /> Adapter Board<br /> * Two-channel arbitrary function generator (±5V, 14-bit, 100MS/s, <br /> 12MHz+ bandwidth - with the Analog Discovery BNC Adapter Board<br /> * Stereo audio amplifier to drive external headphones or speakers <br /> with replicated AWG signals<br /> * 16-channel digital logic analyzer (3.3V CMOS and 1.8V or 5V <br /> tolerant, 100MS/s)<br /> * 16-channel pattern generator (3.3V CMOS, 100MS/s)<br /> * 16-channel virtual digital I/O including buttons, switches, and <br /> LEDs – perfect for logic training applications<br /> * Two input/output digital trigger signals for linking multiple <br /> instruments (3.3V CMOS)<br /> * Single channel voltmeter (AC, DC, ±25V)<br /> * Network analyzer – Bode, Nyquist, Nichols transfer diagrams of a <br /> circuit. Range: 1Hz to 10MHz<br /> * Spectrum Analyzer – power spectrum and spectral measurements (noise <br /> floor, SFDR, SNR, THD, etc.)<br /> * Digital Bus Analyzers (SPI, I²C, UART, Parallel)<br /> * Two programmable power supplies (0…+5V , 0…-5V). The maximum <br /> available output current and power depend on the Analog Discovery 2 <br /> powering choice:<br /><br /> ...250mW max for each supply or 500mW total when powered through USB<br /><br /> ...2.1W max for each supply when powered by an auxiliary supply. 700mA <br /> maximum current for each supply.<br /><br /> As of March 17th, they have also released a fully-fledged logic analyser <br /> version, the Digital Discovery for $199 - <br /><a class="m_-1398887733270128871m_-6076370136158812100moz-txt-link-freetext" href="http://store.digilentinc.com/digital-discovery-portable-logic-analyzer-and-digital-pattern-generator/">http://store.digilentinc.com/digital-discovery-portable-logic-analyzer-and-digital-pattern-generator/</a> <br /> .<br /> This is an up to 800MHz multi-channel logic analyser & pattern generator <br /> for peanuts.<br /><br /><br /> _______________________________________________<br /> Chchrobotics mailing list <a class="m_-1398887733270128871m_-6076370136158812100moz-txt-link-abbreviated" href="mailto:Chchrobotics@lists.linuxnut.co.nz"> Chchrobotics@lists.linuxnut.co.nz</a><br /><a class="m_-1398887733270128871m_-6076370136158812100moz-txt-link-freetext" href="http://lists.ourshack.com/mailman/listinfo/chchrobotics">http://lists.ourshack.com/mailman/listinfo/chchrobotics</a><br /> Mail Archives: <a class="m_-1398887733270128871m_-6076370136158812100moz-txt-link-freetext" href="http://lists.ourshack.com/pipermail/chchrobotics/"> http://lists.ourshack.com/pipermail/chchrobotics/</a><br /> Meetings usually 3rd Monday each month. 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