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12th January 2013, 10:44 AM
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#8992 |
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diyAudio Member
Join Date: Oct 2010
Location: Burlington, NC
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For a full fledged board, it would get more difficult. They have enough variations, that switching is no big deal. Paralleling is easy, by stacking. Vishay makes higher power smd versions that i am using. All very similar performance specs. Of course small signal is where the excel. I did get matched caps. And have some teimmer psoitions that cant be seen as an intentional act. There are two sides to every story....an dboard, in this case.
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|F6 Kit/Trasnformer GB Sign up sheet Closed,|Primrose GB Sign Up sheetClick Here ...Shape the sound , Man! Last edited by buzzforb; 12th January 2013 at 10:46 AM. |
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12th January 2013, 10:45 AM
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#8993 | |
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diyAudio Member
Join Date: Oct 2010
Location: Burlington, NC
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Quote:
I will post the doc on rrsistor noise. You think the YNPW perform well, wait till you see PBH 3W. EDIT: I was wrong about the 10ppm. That is for Tyco RN73. I picked 50ppm TNPW becaus eit performed better in noise test.
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|F6 Kit/Trasnformer GB Sign up sheet Closed,|Primrose GB Sign Up sheetClick Here ...Shape the sound , Man! Last edited by buzzforb; 12th January 2013 at 11:04 AM. |
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12th January 2013, 11:26 AM
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#8995 | |
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diyAudio Member
Join Date: Oct 2010
Location: Burlington, NC
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I think you are exactly correct. A good visual picture og this is the chart with the Caddocks. As you go up in power rating increased thermal mass), the noise level drops. Here it is.
https://dcc.ligo.org/public/0002/T09...rent_noise.pdf Quote:
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|F6 Kit/Trasnformer GB Sign up sheet Closed,|Primrose GB Sign Up sheetClick Here ...Shape the sound , Man! |
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12th January 2013, 02:50 PM
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#8996 |
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diyAudio Member
Join Date: Oct 2010
Location: Burlington, NC
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Little update. Home from basketball practive, so time to start. Not sure the grounding scheme is ideal, but can be tweaked.
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|F6 Kit/Trasnformer GB Sign up sheet Closed,|Primrose GB Sign Up sheetClick Here ...Shape the sound , Man! |
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12th January 2013, 03:19 PM
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#8997 |
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diyAudio Member
Join Date: Sep 2009
Location: Catalonia new Europe state
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Nice pcb, good lucky.
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12th January 2013, 03:24 PM
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#8999 |
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diyAudio Member
Join Date: Oct 2010
Location: Burlington, NC
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Layoyt wasnt perfect due to hammonds inability to measure. It will be redone.
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13th January 2013, 01:24 PM
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#9000 |
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diyAudio Member
Join Date: Oct 2010
Location: Burlington, NC
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Got them mostly finished yesterday. Got to mount the SSLV fets on a sink, which sucks with metal back fets. Need to scrub the main boards with alcohol and then will fire it all up.
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