Products > Test Equipment

MHS-5200A function generator teardown / review / reverse engineering

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wd5gnr:

--- Quote from: SaabFAN on August 26, 2015, 07:29:23 pm ---Nice one, I'm ordering parts right now to try the mod myself :)
--- End quote ---
Would you (or OP) consider posting a BOM?

I assume the THS3092 is the one without the bottom pad, for example. And the SMD inductors and caps... from the video:
6.5 30 51 and 130pf -- what are those maybe 0402?
And the L are 160, 330, and 560 nH in the same case?

Then 2X everything.

Great job and great video!

krivx:

--- Quote from: wd5gnr on August 27, 2015, 12:54:12 pm ---
--- Quote from: SaabFAN on August 26, 2015, 07:29:23 pm ---Nice one, I'm ordering parts right now to try the mod myself :)
--- End quote ---
Would you (or OP) consider posting a BOM?

I assume the THS3092 is the one without the bottom pad, for example. And the SMD inductors and caps... from the video:
6.5 30 51 and 130pf -- what are those maybe 0402?
And the L are 160, 330, and 560 nH in the same case?

Then 2X everything.

Great job and great video!

--- End quote ---

Looks like a BOM has been posted here http://www.analogzoo.com/2015/08/fixing-the-mhs-5200a/

devttys0:
Yup, as krivx pointed out, there's a digikey BOM in my blog post (CSV format, should just be able to upload it to digikey). There are also some more detailed pictures/descriptions of the mods there too.

The caps/inductors I ordered were mistakenly 0402's, while the pads on the board are 0603, so you might want to change them if you aren't comfortable working with 0402 (either size fits on the pads fine).

wd5gnr:
Thanks! Yeah I got the gear to do worse, but my eyes probably like the 0603s better ;-)

TheRadioGeek:
I have just finished the mods posted by Devttys0  [http://www.analogzoo.com/2015/08/fixing-the-mhs-5200a]and I just wanted to thank him for this nice improvement. I did order the 0603 size parts because they are easier to work with and fit on the pads better. I have a few before and after mod screen shots below.

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