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Old 31st October 2019, 05:55 AM   #1
AnthonyA is offline AnthonyA
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Default 2sk77b

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Papa Nelson
I got a pair of 2sk77b. Wonder which design is best for it?

Best Regards

Anthony
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Old 31st October 2019, 06:46 AM   #2
Rodeodave is offline Rodeodave  Austria
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BAF2015, somewhere around the 36min mark:

YouTube
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Old 31st October 2019, 03:13 PM   #3
Dr_Strangelove is offline Dr_Strangelove  Netherlands
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Where did you get those?!?
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Old 31st October 2019, 05:28 PM   #4
AnthonyA is offline AnthonyA
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Japan... Secret society.

Cost a bomb. 1000usd pair
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Old 31st October 2019, 05:30 PM   #5
AnthonyA is offline AnthonyA
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Thanks rodeodave.
I'll look at it
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Old 31st October 2019, 06:48 PM   #6
Nelson Pass is offline Nelson Pass  United States
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2sk77b
I also showed some curves for it.

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File Type: jpg 11 2SK77B-RESP-1.jpg (81.4 KB, 692 views)
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Old 31st October 2019, 07:18 PM   #7
Zen Mod is offline Zen Mod  Serbia
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baad Papa!
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Old 20th November 2019, 05:47 AM   #8
Zen Mod is offline Zen Mod  Serbia
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Quote:
Originally Posted by AnthonyA View Post
Attachment 791315
Papa Nelson
I got a pair of 2sk77b. Wonder which design is best for it?

Best Regards

Anthony
Anthony , care to share that paper (datasheet) , which is on photo?

TIA
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Old 20th November 2019, 12:06 PM   #9
AnthonyA is offline AnthonyA
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Yessss... Will take a photo later.. It's with my mistress
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Old 20th November 2019, 03:58 PM   #10
WBS is offline WBS  United States
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Is there a typo in the schematic, or is it just my ignorance showing early in the morning?

The cap to the left of 4N37 is labeled 10K. Should that be a 10K resistor? Or is it 10uF cap? I notice one of the two 10uF caps on the right is listed as 10K as well.
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