Yes, I have and I have had others. Only bad thing is it can take time to get shipped and get up you. It is pretty reliable.
-Jerry > On Aug 8, 2014, at 12:52 PM, Jason Barnett <[email protected]> wrote: > > Jerry, > Have you bought from alibaba before? I have found a scope that I want to buy > from there but am a bit nervous since I have heard both great and terrible > things about buying through them. > > Here is the scope I am looking at buying if anyone has input on why I should > or shouldn't buy it, I'd like to hear it > http://www.aliexpress.com/item/-/1928114166.html > > Jason > > >> On Fri, Aug 1, 2014 at 4:12 PM, Jerry Biehler <[email protected]> >> wrote: >> For quantities check alibaba. >> >> -Jerry >> >>> On Aug 1, 2014, at 3:41 PM, Sova <[email protected]> wrote: >>> >>> Yeah, Paul linked to a signal generator on Ebay for $70 with freq. counter. >>> I just looked to see if you could buy them in 10 packs for cheaper but it >>> doesn’t look like they are any cheaper than just getting singles off Ebay. >>> >>> >>> >>> http://www.ebay.com/itm/10MHz-DDS-Function-Signal-Generator-Carrier-Debugging-Source-Frequency-Counter-/281310662043?pt=LH_DefaultDomain_0&hash=item417f6c0d9b >>> >>> >>> >>> Sova >>> >>> >>> >>> From: [email protected] >>> [mailto:[email protected]] On Behalf Of Nathan McCorkle >>> Sent: Friday, August 1, 2014 3:23 PM >>> To: A discussion list for dorkbot-pdx (portland, or) >>> Subject: Re: [dorkbotpdx-blabber] Looking for input on oscilloscope >>> >>> >>> >>> What eBay item for $70? A signal generator? >>> >>> On Aug 1, 2014 2:43 PM, "Sova" <[email protected]> wrote: >>> >>> I sort of came to the same conclusion that having two separate tools would >>> probably be more convenient than one box. Like you said, if it were $100 >>> then that would make sense but there is other options for $250-$350 range. >>> That cheap $70 unit on EBay is interesting. I don’t know I need a >>> generator at this moment but that seems like it might be worth considering. >>> The frequency counter might be nice but I have one in my DMM right now. >>> If there was interest we might be able to do a group buy of them direct >>> from China and get the price down to $50 a piece even. >>> >>> >>> >>> Sova >>> >>> >>> >>> From: [email protected] >>> [mailto:[email protected]] On Behalf Of Paul Stoffregen >>> Sent: Friday, August 1, 2014 5:25 AM >>> To: [email protected] >>> Subject: Re: [dorkbotpdx-blabber] Looking for input on oscilloscope >>> >>> >>> >>> >>> >>> Also I noticed that the Rigol model he mentioned comes with an optional >>> function generator for $250 more [Model DS1074Z-S] which might save money >>> over buying one separately. >>> >>> >>> Something to consider with built-in extras is the shared user interface. >>> On a scope, you'll access this stuff using the menus, which are already >>> packed with tons of scope features. Budget scopes have lots of crafty ways >>> to share knobs, like only 1 set of vertical controls among all channels & >>> math. It usually works pretty well, with only minor inconvenience for >>> saving a lot of $$$, but those menus do tend to get pretty crowded. >>> >>> With a dedicated function gen, you get a big knob to vary the amplitude >>> and/or frequency, buttons to change waveform and settings, and usually a >>> display that shows what it's doing. The controls are optimized for the >>> function generator features, which makes using it quite a bit easier and >>> more natural than a function generator shoehorned into the scope's menu >>> system. >>> >>> If it were under $100, of course the decision would be easy. There are >>> many dedicated DDS function generators in the $250 to $350 range, and a lot >>> of used gear well under $250. If you only need basic signals at modest >>> frequency and you don't need the frequency stability of DDS, there are a >>> lot of old/used but good quality analog function generators under $70. >>> >>> There's also some really cheap DDS stuff out there now, which might >>> actually work? If anyone actually takes a chance buying these, or already >>> has one, I'd be really curious to play with it sometime at a Monday meetup. >>> >>> http://www.ebay.com/itm/10MHz-DDS-Function-Signal-Generator-Carrier-Debugging-Source-Frequency-Counter-/281310662043?pt=LH_DefaultDomain_0&hash=item417f6c0d9b >>> >>> http://www.ebay.com/itm/2MHz-Dual-Channel-DDS-Function-Signal-Generator-Sine-Square-Wave-Sweep-Counter-/111407197529?pt=LH_DefaultDomain_0&hash=item19f062ed59 >>> >>> http://www.ebay.com/itm/2MHz-DDS-Function-Signal-Generator-Frequency-Counter-Square-Wave-Sweep-BNC-TTL-/281295638078?pt=LH_DefaultDomain_0&hash=item417e86ce3e# >>> >>> >>> _______________________________________________ >>> dorkbotpdx-blabber mailing list >>> [email protected] >>> http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber >>> >>> _______________________________________________ >>> dorkbotpdx-blabber mailing list >>> [email protected] >>> http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber >> >> _______________________________________________ >> dorkbotpdx-blabber mailing list >> [email protected] >> http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber > > _______________________________________________ > dorkbotpdx-blabber mailing list > [email protected] > http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber
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