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R&S RTB2004 Snooping

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Kean:

--- Quote from: uski on November 28, 2020, 09:44:42 pm ---Hi

I am trying to identify the part number for a matching connector for the JTAG connector. Any idea ?
Pre-made cables would be even better but that's probably a stretch

Thanks

--- End quote ---

Looks like a Molex Picoblade 1.25mm pitch 10 way.  https://www.molex.com/product/picoblade.html
PCB connector is 53398-1071.  Receptacle housing is 51021-1000.  Contacts are 50079-8000 or -8100.

I suggest buying pre-crimped leads as the proper crimp tool is very expensive!
They can be bought from Mouser/Digikey/Aliexpress/etc - e.g Digikey 0500798000-12-R8-D

Or you can buy a complete pre-made cable assembly and cut it in half to splice to your own JTAG interface - e.g. 150mm long Digikey WM17230-ND Molex PN 0151341002

mikeselectricstuff:

--- Quote from: Kean on November 28, 2020, 10:06:04 pm ---
I suggest buying pre-crimped leads as the proper crimp tool is very expensive!
They can be bought from Mouser/Digikey/Aliexpress/etc - e.g Digikey 0500798000-12-R8-D

Or you can buy a complete pre-made cable assembly and cut it in half to splice to your own JTAG interface - e.g. 150mm long Digikey WM17230-ND Molex PN 0151341002

--- End quote ---
Absolutely - very hard to crimp the contacts without the proper tool. 

ElectronMan:
I ended up getting these: https://www.amazon.com/gp/product/B07PWZTC88/ref=ppx_yo_dt_b_asin_title_o07_s01?ie=UTF8&psc=1

And then I took the 8 pin, and a 2-pin, and trimmed down the edges so they would fit together. I then pulled the 1-pin connectors off the other end and put them into a block to fit the JTAG pinout of my J-link.

It's not ideal, but it worked for me.

Kean:

--- Quote from: ElectronMan on November 28, 2020, 10:51:52 pm ---And then I took the 8 pin, and a 2-pin, and trimmed down the edges so they would fit together. I then pulled the 1-pin connectors off the other end and put them into a block to fit the JTAG pinout of my J-link.

--- End quote ---

Yes, that is a good solution - although you can buy a pack of the 10 pin housings for a few bucks and transplant the crimped ends across to one.

Harjit:
Fantastic! You all are really good. I just spent a few minutes looking at JST connectors but didn't find a match.

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