Products > Test Equipment
Suggestions for a good second-hand LA?
BillyO:
The cables are the 16550-61601. You will also need a pair of 01650-61608 pods to go with it. When I got mine, the cables were pretty cheap IIRC. The cable and 2 pods (32 total connections) came to less than $100. You can plug 3 of these sets in if you have the need and expand to 96 data inputs.
Update: Sorry, this for the 1661 (my model) I think you are right, the cable for the 1651 is the 01550-61607. I wonder what the difference is. HP/Agilent are famous for assigning different part numbers to identical parts for use with different equipment. I guess you sell more accessories that way.
nctnico:
I suggest to look at the Tektronix TLA700 series logic analysers. IIRC the TLA715 is affordable and not super old. Probes and modules can be found very cheap (and you can uphack the modules because they are software limited).
mbalmer:
Tell me more about the Tektronix TLA 715. I’m not 100% sure that I am either ready or able to drop $2000 on one (because that’s about what they seem to be going for on eBay) but it’s worth some investigation. All of the units that I see on eBay that are less than $1000 are only the main frame portion, without any modules or cables.
I do see TLA 714s that are going for anywhere between $300 and $500, but I’m not sure whether that’s worth it.
It sounds like the most inexpensive option (at least from what I can make out) is to get an HP 16555D or 16557D, and get a set of cables to go with it. I’m having trouble finding either of those boards sold with their respective cables. Seems like people are parting things out.
However, don’t the 165XX series of boards also suffer from the same corrosion issues that appear to plague the 167XX series of boards too? I seem to remember some threads from before mentioning that both lines had issues with corrosion due to the plastic runners.
In terms of what I need, I am mostly working with older eight and 16-bit computer systems, game consoles, and the like. I have yet to venture into anything with a wider bit depth. While it’s conceivable that I could hop into something much deeper (as in trying to diagnose faults on a PlayStation 3) I’m not there yet, so my guess is that I don’t need anything more complicated than either 17 or 34 channels at one point. At this point, I certainly don’t need 8 pods worth of flying leads.
Mechatrommer:
forum member TiN donated a TLA714 to me (with built in TLA7AA4) 4 years ago, i paid 100+ shipping. and then i buy accessories (incl SSD drive, touch screen, keyboard mouse and spare LCD :-//), overall including shipping costed me about a 1K, half of the price is TLA7E1 DSO Module 1GHz 5GSps out of pure lust :palm: i wouldnt recommend TLA714 (unless you have no other option) because the plastic covers all experience their natural disintegration. if you can get TLA715 its much nicer... i can see a mainframe for $477-600 (200 broken if want to take the risk fixing), a TLA7AA4 can be had $75, if you want cheaper TLA7L2/4 $28-50. and then P6860 34-Channel probes, last time i got deal 7 pieces for about $100+ including shipping but i cant see that anymore but there are seller still selling at $20-30 per piece. 4 piece should be a good start for 136 channels. so overall maybe you can get them working at $700. not really a cheap option anyway, but thats the cheapest we can get. how much channels and speed do you need? if only 8-16 channels, salae logic is much more modern, and there are clones. ymmv.
nctnico:
$2k for a TLA715 is way too much. I'd start by lowballing at $250. See who bites. Many of the 'broken' ones simply miss the removable hard drive bay and thus won't boot. If the seller can show the display works with a boot error, all it takes is fitting an SSD in the internal bay and install the OS (Win2k). The removable hard drive bay is prone to poor contact anyway.
Next thing is the software: you can control the TLA700 series remotely buy running the software on your PC. It won't be any faster or slower compared to using the LA directly but having a bigger screen is way more comfortable. You'll need a mainframe with a network connection. You'll need a 10/100Mbit Cardbus (not PCI!) PCMCIA network adapter. IIRC my TLA715 even came with such an adapter.
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