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5th January 2010, 04:46 AM
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#1 |
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diyAudio Member
Join Date: Jan 2008
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2sk74 datasheet
Can anyone point me towards a 2SK74 Datasheet? I can't seem to find any, anywhere, even in the datasheet repositories on the interwebs. All they ever seem to find are MOSFETs. Thanks.
Maybe I'm wrong, but I've been led to believe the Yamaha YJ-1200 chip is a 2SK74 (junction)FET, with no mention of it being MOS. Last edited by martin.ca; 5th January 2010 at 05:14 AM. |
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5th January 2010, 06:22 AM
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#2 |
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diyAudio Member
Join Date: Sep 2001
Location: Wellington NZ
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are you sure its not a 2sj74 your looking for?
__________________
If you give a man a fish he will eat for a day. But if you teach a man to fish he will buy an ugly hat. And if you talk about fish to a starving man then you are a consultant. Dilbert |
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5th January 2010, 09:06 AM
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#5 |
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diyAudio Member
Join Date: Jul 2004
Location: Scottish Borders
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the 2sj74 is the complement to the 2sk170.
Both are jFET with high gm and fairly low noise. Compare a GR grade 2sj74 to the graph shown for the 2sk74 and you will see that the 3mA Idss device is not a typical low pinch off voltage 2sj74
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regards Andrew T. Last edited by AndrewT; 5th January 2010 at 09:35 AM. |
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5th January 2010, 10:04 AM
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#9 | |
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diyAudio Member
Join Date: Oct 2004
Location: At the sea front, just under Rotterdam
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Quote:
If you peak at the schematic of the amp you'll notice that the YJ-1200 monolithic dualies are N-channel devices, that makes it a 2SK number, not 2SJ.
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Looks like Sponge Bob has killed another thread. Last edited by jacco vermeulen; 5th January 2010 at 10:15 AM. |
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5th January 2010, 10:07 AM
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#10 | |
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diyAudio Member
Join Date: Oct 2008
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Quote:
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