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Old 28th July 2017, 10:09 AM   #3031
merlin el mago is offline merlin el mago
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Vin 12,49 & 12,63VDC
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Old 28th July 2017, 10:45 AM   #3032
Salas is offline Salas  Greece
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Are the regs heating up too much now?
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Old 28th July 2017, 10:56 AM   #3033
merlin el mago is offline merlin el mago
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Yes too hot but still can touch the heat sinks. Now solid as a rock 6,1VDC (when jumped I forgot to connect B+).
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Old 28th July 2017, 10:57 AM   #3034
Salas is offline Salas  Greece
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Because they both now see the HV voltage divider heater lift. Put bigger sinks...
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Old 28th July 2017, 10:58 AM   #3035
merlin el mago is offline merlin el mago
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Yes, I will look for.
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Old 28th July 2017, 11:04 AM   #3036
Salas is offline Salas  Greece
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Lets hope it will work as noiseless as before with no SQ loss also since common winding and heater voltage reference for both reg branches now.
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Old 28th July 2017, 02:40 PM   #3037
merlin el mago is offline merlin el mago
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The two heater windings are separate!!!
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Old 28th July 2017, 02:52 PM   #3038
merlin el mago is offline merlin el mago
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Quote:
Originally Posted by Salas View Post
Because they both now see the HV voltage divider heater lift. Put bigger sinks...
With this one still too hot. http://es.farnell.com/webapp/wcs/sto...&storeId=10176
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Old 28th July 2017, 03:21 PM   #3039
merlin el mago is offline merlin el mago
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What thermal resistance is necessary?
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Old 28th July 2017, 05:46 PM   #3040
Salas is offline Salas  Greece
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Quote:
Originally Posted by merlin el mago View Post
The tx have two secondaries more of 5,2V AC 3 A each so can reach together 11,8V AC?
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I left the Lundahl heaters or I come back to the two 12V 3A?
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The two heater windings are separate!!!
You planned to first try put two windings in series to make a higher one I thought.
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