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Salas SSLV1.3 UltraBiB shunt regulator
Salas SSLV1.3 UltraBiB shunt regulator
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Old Yesterday, 02:54 PM   #251
Salas is online now Salas  Greece
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Salas SSLV1.3 UltraBiB shunt regulator
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Originally Posted by Manolo47 View Post
Thanks Teabag!

So this is for my Ba-3 line stage build, so my output voltages are +24v and -24V.

Current output I do not know, but shouldn't it be less than 1A?

First question, well CC current needed in the B-a3 circuit?

And btw what does CC stand for? Current.....and the other C?

Rs,Cx and Cs recommended?

And in the positive and negative parts descriptions there are references to IRF9610, IRF9530, and IRF610 and IRF530. Is this so? I want to be sure this is not a typo.

Thanks!
CC=constant current

In the BA-3 thread they talk that preamp's bias. Its 45mA typically. So 90mA for two channels. Use 3.3R 1W R1 for 180mA CC to have enough spare and not too much heat on the reg's sinks.

Rs, Cx, Cs, values can't be recommended. That's an individual transformer and bridge diodes situation thing. Its either you have the Quasimodo gadget or other lab measurement ways to snubber the transformer's ringing or you don't use those parts.

Yes for below 1A CC you can use IRF9610 M1 in the positive and IRF610 M1 in the negative. IRF530 M2 in the positive and IRF9530 M2 in the negative are standard. The analogous fast Fairchild FQPs for M1 are good for 1.5A CC but also develop higher VGS.

In general, read the Ultrabib's build guide attached in post#1
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Old Yesterday, 05:19 PM   #252
Marra is offline Marra  United Kingdom
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Salas SSLV1.3 UltraBiB shunt regulator
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Originally Posted by Salas View Post
http://ie.farnell.com/broadcom-limit...om%20red%20led

P.S. The above low power one says is consistent at circa 2mA (our circuit's working conditions territory). Same brand 6000 series measured best noise in member's "gerhard" noise tests. It might also prove sensitive for reliability because low power though? I don't know.
Thank you.
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Old Yesterday, 05:46 PM   #253
Salas is online now Salas  Greece
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Salas SSLV1.3 UltraBiB shunt regulator
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Originally Posted by Marra View Post
Thank you.
Alright. In the precautions section it says not to manually solder that type any closer than 1.59mm to its body. So populate it bit proud above the PCB. The FR4 is thick enough but some solder will flow to the upper side also through the plated holes.

http://www.farnell.com/datasheets/1918234.pdf
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