Simplistic Mosfet HV Shunt Regs - Page 271

alphaigor · 1st February 2012, 09:59 PM

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

Salas · 1st February 2012, 10:04 PM

You are welcome. Just test one, no fear.

regal · 2nd February 2012, 01:40 PM

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 · 4th February 2012, 08:14 PM

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 · 4th February 2012, 10:06 PM

Bravo!

dadedady · 4th February 2012, 10:09 PM

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

Salas · 4th February 2012, 10:16 PM

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

Audiofanatic · 4th February 2012, 11:09 PM

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 · 5th February 2012, 12:10 AM

GB thread soon. Here is the sign up sheet.

https://docs.google.com/spreadsheet/...Wc3dEhoYmhPZVE

Joshua_G · 5th February 2012, 12:26 AM

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

4th February 2012, 11:09 PM	#2708
Audiofanatic diyAudio Member Join Date: Oct 2002 Location: The Netherlands, Utrecht	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 __________________ Be nice to animals.

5th February 2012, 12:10 AM	#2709
Tea-Bag not politcally affiliated diyAudio Member Join Date: Feb 2006 Location: Kennebunk Blog Entries: 7	GB thread soon. Here is the sign up sheet. https://docs.google.com/spreadsheet/...Wc3dEhoYmhPZVE __________________ Salas Boards 2013 #2 CLICK HERE \| F6 Covertible PCB GB Boards Available \|DCB1 boards and KITS available PM\|SemiSouth R125, R100, R100A Available CLICK HERE \|F5TC Boards Sign UP CLICK HERE

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Regs - Shunt vs Series	richie00boy	Solid State	42	14th March 2013 06:45 PM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

1st February 2012, 09:59 PM	#2701
alphaigor diyAudio Member Join Date: Jun 2008	Yes ,you're right.Thanks for your wonderful circuit.

1st February 2012, 10:04 PM	#2702
Salas diyAudio Chief Moderator Join Date: Oct 2002 Location: Athens-Greece	You are welcome. Just test one, no fear.

2nd February 2012, 01:40 PM	#2703
regal diyAudio Member Join Date: Jan 2004 Location: MD	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

4th February 2012, 10:06 PM	#2705
merlin el mago diyAudio Member Join Date: Sep 2009 Location: Catalonia new Europe state	Bravo!

4th February 2012, 10:09 PM	#2706
dadedady diyAudio Member Join Date: Sep 2011 Location: Athens-Greece	Short but to the point, as you say. Gogratulation and thanks again Salas

4th February 2012, 10:16 PM	#2707
Salas diyAudio Chief Moderator Join Date: Oct 2002 Location: Athens-Greece	Nothing much guys, I owed the guide and GB green light for long enough.You are welcome.

5th February 2012, 12:26 AM	#2710
Joshua_G diyAudio Member Join Date: Nov 2008 Location: Israel	What are the prices of the PCB, transistor kit, transistors and resistors kit?