| General > General Technical Chat |
| Older, second hand spectrum analyzers, HP-8562A and Tektronix 2712 |
| << < (4/6) > >> |
| Fraser:
I have the full schematics fo the TR4131. It does differ from the later R4131 series. I could look into getting the A3 pages copied and post them to you at cost ? |
| joelby:
Thanks, that would be immense! There's no hurry at all. I'll be happy to pay for your time, too. |
| Fraser:
It will be at cost only and you can have my time for free ;) I'll take thsi off line with you . Expect a PM from me. |
| joelby:
Should have listened to you - the Softmark device turned out to be a waste of time and money. It doesn't present a virtual COM port interface and thus the only way to interface with it is through a Windows application, which makes it difficult to do any scripting. Worse still, I couldn't actually get it to talk to the TR4131 at all and the Internet is full of people who are unable to get it working. There's an undocumented OCX for controlling the interface that no-one seems to have figured out, though the supplier offered to send me some sample code. I reckon I'll just get the Prologix! |
| gregariz:
--- Quote from: joelby on September 20, 2011, 03:17:44 am ---Should have listened to you - the Softmark device turned out to be a waste of time and money. It doesn't present a virtual COM port interface and thus the only way to interface with it is through a Windows application, which makes it difficult to do any scripting. Worse still, I couldn't actually get it to talk to the TR4131 at all and the Internet is full of people who are unable to get it working. There's an undocumented OCX for controlling the interface that no-one seems to have figured out, though the supplier offered to send me some sample code. I reckon I'll just get the Prologix! --- End quote --- I've had the prologix adapter for some time and it works fine with the KE5FX tools that you can download. I have also used a NI gpib card - that seems to be the least painful and most widely used around (esp if you are using labview). However the pci gpib cards still hold their values on ebay. The ISA bus cards are as cheap as you like but thats just because you'd need to use an old PC. One of the best utilities I've used for this stuff is one called softplot... however its not priced for hobbyists @ ~1K for the license. (but the proligix works with it at least) |
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