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29th September 2011, 11:06 AM
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#1 |
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diyAudio Member
Join Date: Sep 2009
Location: Blanes - Costa Brava
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Legato for PCM1704
Wich be the right input voltage for Legato driving unbalanced BB PCM1704?
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30th September 2011, 11:40 AM
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#2 |
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diyAudio Member
Join Date: Jan 2005
Location: Nashville, TN, USA
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The the input bias to 0V (or close).
Which version of legato?
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30th September 2011, 12:06 PM
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#3 |
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diyAudio Member
Join Date: Sep 2009
Location: Blanes - Costa Brava
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Sorry I forgot, Version 1.0.3
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30th September 2011, 12:43 PM
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#4 |
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diyAudio Member
Join Date: Jan 2005
Location: Nashville, TN, USA
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Will you be using balanced output or single ended only?
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30th September 2011, 02:11 PM
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#5 |
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diyAudio Member
Join Date: Sep 2009
Location: Blanes - Costa Brava
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PCM1704 is single ended
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30th September 2011, 02:53 PM
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#6 |
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diyAudio Member
Join Date: Jan 2005
Location: Nashville, TN, USA
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Ahh, I see. Well you could still use Legato, but the BAL/SE stage you would want to completely omit.
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30th September 2011, 02:58 PM
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#7 |
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diyAudio Member
Join Date: Sep 2009
Location: Blanes - Costa Brava
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Only it's necessary the input bias to 0V (or close)?
It's not necessary ground the input - (cold)? No need to change some resistor CCS & I/V? Last edited by merlin el mago; 30th September 2011 at 03:10 PM. |
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30th September 2011, 03:22 PM
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#8 |
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diyAudio Member
Join Date: Jan 2005
Location: Nashville, TN, USA
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I would have to look at the datasheet. I simply don't have time at the moment. If you grounded one end (-end is fine) then it should work, but it would definitely not be ideal. Your going to have to research this yourself for the moment.
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30th September 2011, 03:35 PM
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#9 |
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diyAudio Member
Join Date: Sep 2009
Location: Blanes - Costa Brava
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Thank you, only one question more: wich are CCS Rs (R6-R8) & I/V Rs (R21-R24)?
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1st October 2011, 02:43 PM
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#10 | |
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diyAudio Member
Join Date: Jan 2005
Location: Nashville, TN, USA
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Quote:
R1-R4 are I/V
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