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Old 4th October 2012, 11:58 AM   #11
zman01 is online now zman01  Bangladesh
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Default If I were to go back to OPA2134

Originally Posted by abraxalito View Post
If you leave the original caps on the PCB they'll be in parallel with the caps on the opamp, rather defeating the mod. So yeah you do need to remove the PCB caps to get the benefit of this.
Ready to take the dive with the LM6172 and do away with the caps on the PCB, but worried if I would be able to revert to the OPA2134 in case I do not like the LM6172 on my system.

Since this mod calls for caps to be soldered to the legs of the ompamp(s), so would it be a case of soldering the caps (2x2200 uf/opamp) and then installing the OPA2134?
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Old 4th October 2012, 12:02 PM   #12
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Yes once you've removed those four caps from the PCB, if you need to go back to OPA2134 just solder the 2n2s (use 0805 C0G dielectric) between pins 1&2 and 6&7 of the 2134.
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Last edited by abraxalito; 4th October 2012 at 12:04 PM.
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