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13th November 2008, 01:35 PM
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#1 |
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diyAudio Member
Join Date: Jan 2002
Location: Cleveland ohio
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Do I care if Laddered stepped attenuator is 100k ohms?
I am looking at a 100k laddered stepped attenuator for a project. The attenuator would go between a DDDAC 1543 DAC and a BOSOZ pre amp.
Normally I would use a 10k attenuator, but a 100k is available. Do I care if this attenuator is 100k ohms? |
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13th November 2008, 07:34 PM
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#2 |
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The one and only
Join Date: Mar 2001
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The Mosfets of the BOSOZ have a bit much input capacitance for a 100K pot.
You could consider that circuit done with N channel JFETs and I'm sure it would work fine. 
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13th November 2008, 10:10 PM
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#4 |
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The one and only
Join Date: Mar 2001
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I think there's a thread somewhere...
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