Simplistic Mosfet HV Shunt Regs - Page 123 - diyAudio
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Old 2nd November 2010, 07:32 PM   #1221
Salas is online now Salas  Greece
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What help you need? You must know what voltage and current your circuits will need and then to set the regs. The R1 for mA and trimmer for B+. Like in LV1.
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Old 2nd November 2010, 08:04 PM   #1222
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Old 2nd November 2010, 08:06 PM   #1223
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Make the standard example, feed it 275V, set it 260V. Drop with RC for 220V first stage. 48k, 47uF.
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Old 2nd November 2010, 08:16 PM   #1224
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Wich post 966 or 967?
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Old 2nd November 2010, 08:24 PM   #1225
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966=967 without protective Zeners. If you don't normally mishandle, 966 is less components when P2P, easier.
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Old 2nd November 2010, 10:15 PM   #1226
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Quote:
Originally Posted by Salas View Post
Make the standard example, feed it 275V, set it 260V. Drop with RC for 220V first stage. 48k, 47uF.
Quote:
Originally Posted by Salas View Post
966=967 without protective Zeners. If you don't normally mishandle, 966 is less components when P2P, easier.
Thank you Salas, for B+ 165V?
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Old 3rd November 2010, 08:16 AM   #1227
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salas, i dont have any irf9610 but do have 9630's. do you think they will work (i see people are using the 9620 ok, but the 9630 looks untested.
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Old 3rd November 2010, 08:44 AM   #1228
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I see no reason why it would not work. Report back if it will so people will know about that one too.
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Old 3rd November 2010, 11:10 AM   #1229
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Thank you Salas, for B+ 165V?
How I have to modify this schematic for B+ 165V, if I have 180V rectified & filtered?

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Old 3rd November 2010, 11:42 AM   #1230
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Quote:
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How I have to modify this schematic for B+ 165V, if I have 180V rectified & filtered?

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Hi! you use
AC= 160-180V
or after filter ( before SSHV) 185-200 VDC
R4= 100k
R5= 2.2K

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