Super Regulator, collecting the facts

[AndrewT]

Hi Aparatus,
PCB layout and component numbering to match a schematic would allow copies to be made.

[peranders]

By this you mean

[jackinnj]

Originally posted by gootee
If anyone already has any scope photos (or just data) of transient testing with a dynamic load, such as when drawing fast-edged current steps that rise from near minimum to near maximum and fall from near maximum to near minimum, or whatever else you might have, perhaps something that might be a more-appropriate transient test, I would be interested in seeing them.

The Super Reg is most often used with preamps -- and the load is pretty much constant -- noise is a more important consideration.

If you must do transient testing you can take a look at this application note by Jim Williams of Linear Tech:
http://www.linear.com/pc/downloadDoc...1,P1754,D17358

[peranders]

It was a good application note. I have never seen it of some peculiar reason.

[peranders]

Originally posted by peranders
By this you mean

I'm a bit slow, now I'll get it

[peranders]

Originally posted by peranders
A tube based sort of super regulator, an article by Mr. Bob Pease.

http://www.elecdesign.com/Articles/I...ArticleID=1509

I think it look like an super regulator if the basic concept is considered as an voltage reference powered from the output and an error amp also powered from the output.

I'm bumping this issue a bit. Any tube dudes out there that have an opinion?

[jackinnj]

Bumping again -- I've used another set in another Crown IC-150 preamp

[peranders]

I'll guess the tube super regulator is very forgotten and not very popular these days. I think I will redraw Mr. Pease's schematic in order to understand it better.

[peranders]

I have made a new super regulator board with a 4-layer pcb. I haven't had the opportunity to test it particularly much but so far it looks good in more than one sense.

Now the regulator can cope with 50 V in and 36 V out without too much trouble. It's also easier to trim the output voltage. The copper thickness is 140 um for the power traces since they go on both sides which have 70 um copper.

[jackinnj]

Here's a "dually: -- I had some made a while back -- without the LM317/337 pre-regulators. I'm not keen on SMT electrolytics for DIY so will use the same devices from the Audio Amateur article, I have bucket loads of TO-92 LM329DZ as well, but the LED's, Diodes, transistors are all SMT.