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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Re: voltage spike on outputs posted by danlaudionut on October 26, 2006 at 11:24:01:
When the B+ is ramping up and ramping down. It is after the 5AR4 warms up (since it is indirectly heated), and then immediately at shutdown.The startup pulse to 20V ramps up and then back to 0V over the course of about 1 1/2 seconds. The B+ takes several seconds to ramp up...maybe 5 seconds.
The shutdown pulse ramps up to 20V and then back to 0V a bit quicker, maybe one second or a bit shorter. The B+ drops to zero very quickly at shutdown, maybe around 1 second.
After the first L in my CLCLC, I have a 270K resistor feeding into a 100K resistor bypassed by a 0.1uF cap. This is used to provide a heater bias on my 6SN7 filaments. Would this also function as a bleeder resistor?
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Follow Ups
- Re: voltage spike on outputs - Jayme 11:43:27 10/26/06 (6)
- Re: voltage spike on outputs - danlaudionut 13:03:27 10/26/06 (5)
- Re: voltage spike on outputs - Jayme 13:56:04 10/26/06 (4)
- Re: voltage spike on outputs - danlaudionut 14:14:17 10/26/06 (3)
- Re: voltage spike on outputs - Jayme 14:53:08 10/26/06 (2)
- Not unusual - Triode_Kingdom 19:41:07 10/26/06 (0)
- Re: voltage spike on outputs - danlaudionut 17:54:27 10/26/06 (0)
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