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| Advantest R3131 extension card |
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| Renaud F5ZR:
I bought some month ago a faulty and cheap R3131. I read a lot here about them and realised that I would need an extension card to fix it. I choose to build one with Veroboard. The base plate I cut in 1.5 mm aluminium on which I bolted the 96 pins Eurocard connectors. Three Veroboard levels are needed to fill the 96 points. First level: To push the next Vero inside I had to remove the little brass posts on one side. The male wrapping connectors were available so I used them but they were less convenient to solder than the female ones I bought. Three populated levels: Of course a careful control is needed before placing the next level. I added another aluminium plate over the lot with a bending to help insertion. It also avoid to stress the connectors and the solderings. |
| nctnico:
That is quite a bit of work. But there is an alternative: I typically solve this issue by soldering wires to the board to connect to a scope or any other kind of test equipment. The wires extend beyond the casing. This way cooling of a module isn't impacted. |
| Renaud F5ZR:
Thanks for replying. It is! But I have a fine mechanical workshop and I like this kind of work. As I read a lot here about the R3131 I knew that way of doing. As I don't know where this will drive me I made that one. It could be overkill of course yes! Then it took me only one morning work. I don't understand your remark about the cooling. I believe the card outside will be naturally cooled. And I could always add some ventilation. Renaud |
| coromonadalix:
good work :-+ |
| tautech:
I've used PC IDE ribbon cable between plugs and sockets...... Just be sure to double/treble up the power rails..... |
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