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Old 7th January 2019, 09:22 PM   #371
claudio52 is online now claudio52  Italy
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Mouser indicates the UJ3N120070K3S as a similar product. In an electric car it is probable. In audio????
Claudio
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Old 11th February 2019, 05:19 PM   #372
indra1 is online now indra1  Indonesia
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Default F5 topology, 2SK79 SIT DEF style at input, Lateral output

Good news guys, I found another one to spook you. Currently just a sim, a small SIT 2SK79 paired with a bjt DEF style performs well in the F5 topology with the lateral MOSFET at the output. H2 / H3 is predicted to be close to SIT3 with damping factor ~40.
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File Type: gif 2SK79 F5.gif (18.2 KB, 188 views)
File Type: gif 2SK79 F5 FR.gif (19.8 KB, 194 views)
File Type: gif 2SK79 F5 FFT.gif (18.3 KB, 176 views)
File Type: gif 2SK79 F5 Log.gif (17.4 KB, 178 views)
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Old 11th February 2019, 09:29 PM   #373
Zen Mod is offline Zen Mod  Serbia
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Old 11th February 2019, 10:18 PM   #374
MEPER is offline MEPER  Denmark
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The noise floor is very low...… -200 dB?
Is the simulation realistic?
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Old 12th February 2019, 04:15 AM   #375
indra1 is online now indra1  Indonesia
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So far Ltspice models I use predicts frequency response, H2 and H3 distortion pretty close to real circuit. I have not paid attention to noise, could be inaccurate.
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