Simplistic MosFET HV Shunt Regs

[alphaigor]

Yes ,you're right.Thanks for your wonderful circuit.

 

[Salas]

You are welcome. Just test one, no fear.

 

[regal]

New failure mode with SSH1, while probing the output mosefet I slipped and the voltage stuck at -20V in, CCS was fine. So I replaced the MJE350, no good, the second mosfet, nope, then the jfet nope now it is putting out less than 10 volts now, check the potentiomter and it is stuck at 34 ohms, no amount of turns changes it. All my mosfets are zener protected, so I can't figure out how this happed.

When I find a replacement 1k pot, will probably replace all the sand again. Would wait on SSHV2 boards but can't go that long without tunes

 

[Salas]

SSHV2 guide

Hi guys, I wrote it finally. Its short but to the point I hope.
Since enough builds went OK by now I feel its cool you can go GB as you asked. I had only designated a bit different trimmer values (and their parallel resistors values) for easier handling as minor changes.

 

[merlin el mago]

Bravo!

 

[dadedady]

Short but to the point, as you say.
Gogratulation and thanks again Salas

 

[Salas]

Nothing much guys, I owed the guide and GB green light for long enough.You are welcome.

 

[Audiofanatic]

Salas Chief Moderator and Chief SS Regulator engineer!

Thanks Salas for all you've done for all of us

You are one of a kind and a noble guy to share this with all DIYérs

All the best,


Audiofanatic

 

[Tea-Bag]

GB thread soon. Here is the sign up sheet.

https://docs.google.com/spreadsheet/ccc?key=0AnAnd3RI56NmdEZqQlFhSGo3WEZQYWc3dEhoYmhPZVE

 

[Joshua_G]

What are the prices of the PCB, transistor kit, transistors and resistors kit?

 

[Tea-Bag]

What are the prices of the PCB, transistor kit, transistors and resistors kit?

Sorting that all out asap. Will post on a pending gb thread.

 

[Stixx]

Tea-Bag, I don't envy you to go through all the hassle of a GB again ...

anyway for all your effort!

Thanks repeatedly to Salas for sharing

 

[AndrewT]

Thanks,
added to my Salas Folder.

 

[mogliaa]

Hi Teabag,
Added mine to the sign up sheet. Let me know when payment is required.
Many thanks for all the efforts.
Thanks
Ale

 

[buzzforb]

Stupid question, I know. But to do final adjustements with tube attached, does the filament voltage also need to be attached. I would assume that without it, the tube is non operable.

 

[rclourenco]

Just added myself to the GB

Dear TeaBag
Let me know when payment is due.
Thanks for your ever present efforts.

 

[Tea-Bag]

Here you go.
This is the GB thread. Please add questions, payments etc to it.
Add complaints to Salas PM box!!!!
http://www.diyaudio.com/forums/group-buys/206033-gb-salas-sshv2-regulator.html#post2892748

 

[dadedady]

Stupid question, I know. But to do final adjustements with tube attached, does the filament voltage also need to be attached. I would assume that without it, the tube is non operable.

You have to conect filament to 12.6 or 6.3 V(depends on tube), to operate

 

[Salas]

Add complaints to Salas PM box!!!!

What?

 

[marcus1]

Negative supply voltage possible with SSHV2?

Back on post 1001 - http://www.diyaudio.com/forums/power-supplies/134801-simplistic-mosfet-hv-shunt-regs-23.html#post2229950 Piedsd asked if the v1 version could produce a dual-rail version of this design of +ve300V and -ve300V for an exstata headphone amp.
Salas, you produced the cct diagram below for a negative supply voltage (bottom):

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

Thanks