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In Reply to: RE: As usual, you missed the point again..... posted by GStew on May 03, 2017 at 08:10:39
I didn't have to read posts by UpTone to arrive at the same conclusion.... but thanks for posting comments that support what I determined through my own research.... and already posted in this thread.
The single-chip solution that simplified the implementation of a silicon barrier based USB galvanic isolator was not available when UpTone released the first REGEN. I already stated that in this thread. It wasn't available when Intona created their USB isolator years prior.
Intona created a silicon barrier USB isolator years prior through a lot of their own R&D and by using more components. The 'chip' Intona used wasn't much more than the silicon barrier itself. They had to create and program their own supporting logic (via Xilinx FPGAs) for USB protocol conversion then reconstruction back to USB. The new chip that UpTone uses has all of this capability built-in.
But the resulting concept is the same... USB galvanic isolation over a silicon barrier. Now that the single-chip device is on the market, we will see more of these USB isolators as they are easier to implement.
Follow Ups:
"Now that the single-chip device is on the market, we will see more of these USB isolators as they are easier to implement."Indeed, yes - I have an isolated USB hub (ISO-HUB) on tour. This is different insofar as it is powered directly by battery, no voltage regulators in between - this makes a great difference as anybody who has heard the prototype can attest (and my thread here on bypassing the voltage reg of the Regen with direct battery power) & I termed it optimised isolation
An isolated power supply (ISO-PS) is also part of the new offerings as is an isolated DAC (ISO-DAC) & isolated SPDIF converter (ISO-SPDIF) - all battery powered & all using optimised isolation. These last two products are world firsts - isolated high speed DAC & converter
More about my approach can be read here https://sites.google.com/site/jkciunas/usb-isolation-devices
And more info on the products here:
Edits: 05/06/17 05/06/17 05/06/17 05/06/17 05/06/17
First impressions coming in here http://www.tirnahifi.org/forum/viewtopic.php?f=8&t=4240&p=83516&sid=d3647ccb7aac6afa0c7c9164d56ce25f#p83515
"Straight away yesterday I could hear the difference, the 2 words that come to mind are a fuller and natural sounding presentation.
There is definitely more body to music and a very natural sound, dare I say it very analogue but with all the detail and more.
Not sure how many hours you have on the units but it sounds even better today, maybe the batteries are now fully charged but even with them charged it sounds like it is still improving.
It is definitely a step forward from the prototype we have heard on several occasions over the last year."
http://www.tirnahifi.org/forum/viewtopic.php?p=83591#p83642
"Very happy now with the sweetness and the way notes hang that much better in the air with the ISO Hub so I will be handing it back to John at the weekend for next in line."
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