No not at all, the STR knocks the 100Hz noise to below what I can measure with my rather crude methodology. I believe the 333KHz noise on the STR output is reflected back from the Traco switching circuits, the STR cant put this right as it occurs after its circuits have done there job.
New PCB for shoebox size NAC preamp part IV
- Thread starter LoBo
- Start date
No not at all, the STR knocks the 100Hz noise to below what I can measure with my rather crude methodology. I believe the 333KHz noise on the STR output is reflected back from the Traco switching circuits, the STR cant put this right as it occurs after its circuits have done there job.
Well it has to be said that there is not a problem with my fish at all, its sublime 
But one cannot help trying to improve and power supply is usualy a basic building block.
14 STR's would be silly money, we dont have much voltag head room and the STR likes a bit of voltage overhead.
The Traco seems a core part of Jims design that I dont really want to remove, and it may have to come out to get head room for STR's
Also the fish has some vias that look like they had the mind of some vbe / gyrator as a possible tweak.
And I had been trying out some diy board etch so it sort of just fell together and now its starting to unfold and I try to learn along the way.
But one cannot help trying to improve and power supply is usualy a basic building block.
14 STR's would be silly money, we dont have much voltag head room and the STR likes a bit of voltage overhead.
The Traco seems a core part of Jims design that I dont really want to remove, and it may have to come out to get head room for STR's
Also the fish has some vias that look like they had the mind of some vbe / gyrator as a possible tweak.
And I had been trying out some diy board etch so it sort of just fell together and now its starting to unfold and I try to learn along the way.