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Luminaria?
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Old 18th November 2019, 04:29 PM   #231
nicoch58 is offline nicoch58  Europe
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I can see a big porn toy ! what faxxing amp is ? LoL
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Old 18th November 2019, 06:38 PM   #232
claudio52 is offline claudio52  Italy
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The ugly box houses a splendid Sony VFET Part 2. It hosted an Aleph J. It was only just sufficient to dispose of the heat produced
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Old 18th February 2020, 02:57 PM   #233
juanitox is offline juanitox  France
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Planing to build a luminaria with a pair of 2SJ60 vfet with a choke load , what would be the inductance needed for fullrange ? 20H at 100ma? For the
2SJ60 biased at 100v 80ma ?
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Old 18th February 2020, 07:43 PM   #234
juanitox is offline juanitox  France
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2SK60 vfet not 2sj60
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Old 18th February 2020, 08:00 PM   #235
Zen Mod is online now Zen Mod  Serbia
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same impedance as load ( downstream Rin) at 5Hz max
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Old 18th February 2020, 08:06 PM   #236
juanitox is offline juanitox  France
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Thanks zm , always there for the fools
So with 20H at 5hz will give 625R of reactance
Pretty good!
Also max vds for the 2dk60 is 170v against 240v for the bigger 2dk82
So reducing a little the Vds should be better.
The advantage of this smaller Vfet here should be the refuced input capacitance
So no needs for an input buffer ..
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Last edited by juanitox; 18th February 2020 at 08:12 PM.
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Old 28th June 2020, 09:49 PM   #237
DIYspaceW is offline DIYspaceW  Slovenia
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Has someone made a pcb?
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