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Shunt regulator +-15V | diyAudio
https://www.diyaudio.com/community/threads/shunt-regulator-15v.286425/
Shunt regulator +-15V. …. This is quite simple shunt regulator with very low output impedance. I designed two types of PCB, single shunt regulator and double shunt regulator (in case you what supply for two channels) Output current could be set up to 100 mA.
Shunt regulator +-15V | Page 4 | diyAudio
https://www.diyaudio.com/community/threads/shunt-regulator-15v.286425/page-4
The regulator in this thread is basically the SSLV topology and you don't have to go in much modification length to hit that 50kHz goal. Just use a BJT on output driven by a JFET source follower. It will go flat to 100kHz even. There is the BJT sans follower option in SSLV1.1 used for the BIB in its guide for years now.
Shunt regulator +-15V | Page 5 | diyAudio
https://www.diyaudio.com/community/threads/shunt-regulator-15v.286425/page-5
In a shunt regulator like dadod's here, the current source supplies a fixed and constant current. Some of it flows through the load, and all the rest is absorbed by the final shunt transistor. In dadod's post #1 schematic, the final shunt transistors are M4 and M2. He uses an IRF9640 in this position, which is rated for a maximum of 125 watts.
Shunt regulator +-15V | Page 3 | diyAudio
https://www.diyaudio.com/community/threads/shunt-regulator-15v.286425/page-3
This shunt regulator circuit's output is a MOSFET source follower operating at about 100mA. Its output resistance is (1/gm) and, at 100 mA of drain current, gm is about 1 siemens. The open loop output impedance is therefore about 1 ohm. If closed loop output impedance must be 5 milliohms or less, the required gain is 200X or more.
Shunt regulator +-15V | Page 6 | diyAudio
https://www.diyaudio.com/community/threads/shunt-regulator-15v.286425/page-6
i've decided i want to experiment with a good shunt regulator to use for my marsh headphone amp. your design will do perfectly. nice work & thanks for sharing! mlloyd1. dadod said: Shunt regulator one finished. CCS with DN2540 will give 110 mA about with 10R for R1, R8, and 140 mA with 6R8.
Shunt regulator +-15V | Page 7 | diyAudio
https://www.diyaudio.com/community/threads/shunt-regulator-15v.286425/page-7
Finally i finished shunt regulator. Just couldn*t find time to do it till the end. For fet i used 2n3189 one vas almost 10mA and one vas 12mA SG connected and measured IDSS so only that second one gets resistor set to 10mA.
DIY Audio Projects Forum • Tube Shunt Regulator
https://diyaudioprojects.com/Forum/viewtopic.php?t=3062&start=20
Post subject: Re: Tube Shunt Regulator. Posted: 02 Mar 2011 4:27 pm . Joined: 29 Dec 2010 4:07 am Posts: 353 I still have a 0A2WA or two around, though I have no plan to use them. I have been going over the operation of this circuit. Say I use a 50.000v zener on the cathode and shoot for 150v output. This makes 100v plate to cathode.
DIY Audio Projects Forum • Tube Shunt Regulator
https://diyaudioprojects.com/Forum/viewtopic.php?t=3062&start=10
Hi All, Nice power supply. it reminds me of one I have. A really vintage one by "Furst" Electronics. A long defunct company. It uses several glow tubes and power triodes. Vintage 1948-1950 hard to pin down as info is scarce. Variable 0-350 dc at up to 150 ma. A dual supply. But back to shunt regulator tubes.
DIY Audio Projects Forum • Tube Shunt Regulator
https://diyaudioprojects.com/Forum/viewtopic.php?t=47&view=next
Hi All, Somewhere recently I saw a both shunt and series regulators using EL84s. A search should bring them up. The pentode give more gain and has power handling ability. I wanted to add some thoughts that relate. I tried some of the cold cathode tube regulators and found they work well for shunt regulators and were fairly accurate.
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