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was ist los? 18th November 2003 03:06 AM

D1 I/V questions
Hi, i'm new and have some stupid questions. I have a few questions for just the I/V of the D1. What is a good +/-30v PSU for it?
What if any heatsinks do i use for the mosfets?

blank527 18th November 2003 07:42 PM


Have a look in the service-manual of the D1Link
When completed you can decide to use heatsinks or not.
I've never build the thing, but don't think it is needed.


was ist los? 18th November 2003 09:43 PM

Hi, i actually have looked at the manual and am confused. There is a +/-30 volt PS and a +/-15v PS with a follower that outputs +/-30v. Which do i use?

blank527 19th November 2003 01:07 AM

2 Attachment(s)

I think you need this power supply:
(see attachment)

Specs of transformer:
1x30V.. 50VA.. or higher..
You can improve it, but I think it is enough for it's purpose.
Anyone tuned it?

Remco Blankesteijn.

vit 19th November 2003 08:08 AM

Why not use 30V psu from bosoz? :wave:

was ist los? 20th November 2003 02:40 AM

Could i use a 2x30v transformer?

vit 20th November 2003 07:53 AM

Yes, you can.
You have to use less zeners.
Read the bosoz article for further info.

PAM 20th November 2003 12:07 PM

TDA 1541 with D1 I/V questions
Has anyone tried the D1 I/V after the TDA 1541 ?

PsykoK 20th November 2003 12:52 PM

You think using the BOSOZ psu should provide better result that the original D1 psu?

blank527 20th November 2003 01:14 PM


The D1 psu is cheaper with less components.
The Bosoz has more components, but I think it will perform better.
If your rig is Passlabs, why not put everywhere an IRF(9)610 instead of an regular 7815.;)

Remco Blankesteijn.

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