Simplistic Mosfet HV Shunt Regs - Page 273

Sorr · 6th February 2012, 12:33 AM

Having trouble finding LEDS 2Vf @ 5mA.
Any types recommended?
Thanks

Salas · 6th February 2012, 12:44 AM

Quote:

Originally Posted by marcus1

Will the SSHSV2 design in the latest group buy be able to produce a negative supply voltage as above with some parts changes?

Thanks

Possibly in p2p for one, not on the positive board, but I haven't looked into it because I prefer this scheme, which is anti ground loop also:

Salas · 6th February 2012, 12:47 AM

Quote:

Originally Posted by Sorr

Having trouble finding LEDS 2Vf @ 5mA.
Any types recommended?
Thanks

Any generic green 3mm will serve you well. That question was for SSHV1 I assume.

buzzforb · 6th February 2012, 12:58 AM

Quote:

Originally Posted by Salas

Possibly in p2p for one, not on the positive board, but I haven't looked into it because I prefer this scheme, which is anti ground loop also:

This is different rectifiction layout that allows use of dual standard SSHV2?

Salas · 6th February 2012, 01:03 AM

With that one you can arrange into +/-V any positive only raw PSUs or regulators be it chip, discrete, low voltage, high voltage, whatever. NAIM NAP 250 bolt on original was like that when I serviced one.

buzzforb · 6th February 2012, 01:04 AM

Cool.

Salas · 6th February 2012, 01:08 AM

Can't be done with two independent transformers. Common primary, two secondaries, single transformer, two bridges.

Sorr · 6th February 2012, 02:29 AM

Quote:

Originally Posted by Salas

Any generic green 3mm will serve you well. That question was for SSHV1 I assume.

Yes the SSHV1

massimo · 6th February 2012, 08:21 AM

Quote:

Originally Posted by Salas

Can't be done with two independent transformers. Common primary, two secondaries, single transformer, two bridges.

Why?

euro21 · 6th February 2012, 08:27 AM

Negative SSHV2 test.

6th February 2012, 12:33 AM	#2721
Sorr diyAudio Member Join Date: Aug 2005	LEDS Having trouble finding LEDS 2Vf @ 5mA. Any types recommended? Thanks

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6th February 2012, 01:03 AM	#2725
Salas diyAudio Chief Moderator Join Date: Oct 2002 Location: Athens-Greece	With that one you can arrange into +/-V any positive only raw PSUs or regulators be it chip, discrete, low voltage, high voltage, whatever. NAIM NAP 250 bolt on original was like that when I serviced one.

6th February 2012, 01:04 AM	#2726
buzzforb diyAudio Member Join Date: Oct 2010 Location: Burlington, NC	Cool.

6th February 2012, 01:08 AM	#2727
Salas diyAudio Chief Moderator Join Date: Oct 2002 Location: Athens-Greece	Can't be done with two independent transformers. Common primary, two secondaries, single transformer, two bridges.