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Class D Switching Power Amplifiers and Power D/A conversion

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Old 24th September 2018, 01:57 PM   #311
jimk04 is offline jimk04  United Kingdom
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Join Date: Jul 2018
I asked if my order has been cancelled and got this reply.....so it seems it will just sit in the system until a time who knows when!

"The order has not been cancelled and we cannot say when it will be fulfilled because until the laws change it cannot be fulfilled due to restrictions.

If you would like to cancel the order please let me know so that I can do that on the system"
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Old 24th September 2018, 01:58 PM   #312
jimk04 is offline jimk04  United Kingdom
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Ive ordeeed the 3e but I will keep the Ti order for a while yet and see what happens.

Funnily enough I can't order the mw lrs 350 48 for seemingly the same reason.
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Old 24th September 2018, 06:37 PM   #313
Yatsushiro is offline Yatsushiro  France
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Quote:
Originally Posted by doctormord View Post
@Yatsushiro,



did you ordered via an university address?
No, in both cases I had then item delivered to my home addresses (I have moved from the UK to France between the 2 orders)

I declared myself to Ti as an Independent Designer/Engineer.
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Old 26th September 2018, 05:44 PM   #314
Think is offline Think  Netherlands
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TI Class D EVM Board 50% Promotion
Order date: 13 sep 2018
Status: In process

I guess the 3255 is not CE approved and won't be shipped to the EU until it is.
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Old 28th September 2018, 05:36 AM   #315
luka is offline luka  Slovenia
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But does anyone know, that this is the fact?
why would other boards have, but 3255 wouldn't? I don't think they would do that.
They could also restrict, where you could buy 3255 IF that was the case
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Old 30th September 2018, 08:35 PM   #316
strongbow60 is offline strongbow60  Sweden
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Join Date: Jul 2017
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I bought one last year and ordered another this summer, status is still "Order Placed - In Work" since middle of July.

No problem for me, haven't had time to use it anyway. But no apparent issue about regulations.

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Old 30th September 2018, 09:35 PM   #317
voltwide is offline voltwide  Ireland
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Quote:
Originally Posted by strongbow60 View Post
I bought one last year and ordered another this summer, status is still "Order Placed - In Work" since middle of July.

No problem for me, haven't had time to use it anyway. But no apparent issue about regulations.
For my knowledge such modules, being a kit, not a complete apparatus, do not require CE marking.
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Old 30th September 2018, 11:25 PM   #318
hyped is offline hyped  Australia
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Join Date: May 2016
Hey guys,
just having look through the manual for 3255 am I reading it right that to utilise 2.1 (2x SE and 1x BTL) you cant use single end input, only balanced is that correct?
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Old 1st October 2018, 12:59 AM   #319
DPH is offline DPH  United States
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^ nope, you can use single ended input throughout. In fact, you *can't* use balanced on your SE output channels, only SE input.

The SE input to the bridged output will obviously have to use the second NE5532 to derive the opposite phase. Just think of the A+B channels as independent of the C+D channels. You wire the C+D as a SE-in, Bridged-out, and the the A and B as SE-in, SE-out.
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Old 1st October 2018, 01:18 AM   #320
hyped is offline hyped  Australia
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Quote:
Originally Posted by DPH View Post
^ nope, you can use single ended input throughout. In fact, you *can't* use balanced on your SE output channels, only SE input.

The SE input to the bridged output will obviously have to use the second NE5532 to derive the opposite phase. Just think of the A+B channels as independent of the C+D channels. You wire the C+D as a SE-in, Bridged-out, and the the A and B as SE-in, SE-out.


Hey DPH, thanks for information mate appreciated
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