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Old 11th May 2002, 06:21 PM   #1
Join Date: Feb 2002
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Default Official DIY D/A Box (Gratuitous Homour Department)

Hey, I have an even worse idea: The Official DIY D/A box.

(This might qualify as the first official work of the A.D.H.O.C. committtee.)

First, I can argue with Harry and Cap'n Pass over using BJTs or MOSFETs in the I/V stage, as sonnya scrambles to get the right Spice models. HPotter and Elso can campaign for using AD1865s while some ne'er-do-well on the sidelines grumbles that no one can design a decent oscillator. Then the crowd from the AudioAsylum can join in, demanding that we use TDA1541s (Crowns, of course!) with no oversampling filter and a 10 ohm resistor for the I/V stage as their quorum continues to fight over which IC they want to use to amplify the signal and noise together. The boys from the "Land of Oz" are still debating which cascode form to use, but GRollins is annoyed that it uses both cascodes and current sources.

Finally, Nixxon and Ren Hock stop laughing long enough to tell us that we are all fools and that the only way to go is Crystal delta-sigma. Harry continues to fume as no one recognizes his genius for transformer design.

Things really get ugly when someone suggests that we use a CS8414 in the single-ended configuration, and connected directly to the input with a RCA jack. Jocko threatens to beat him over the head with his TDR.

Well, I have some work to do now.......the bills don't pay themselves. Hope no one is injured in the interim until I return.

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Old 11th May 2002, 07:10 PM   #2
mlloyd1 is offline mlloyd1  United States
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(for those who don't get it - "I Can't Stop ...")
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Old 11th May 2002, 07:44 PM   #3
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Yehhhh baby ... make some nooiiiiissssseee
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Old 11th May 2002, 08:39 PM   #4
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Sounds like another great idea. But remember, the final product is only as good as the person who makes the decisions.
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Old 12th May 2002, 11:32 AM   #5
Join Date: Apr 2002
Unhappy You idiot.......

It is Hoek, not Hock. Hoek! Cant' you spell, man? And it is "humor", not "homour".

I am surrounded by stupidity.

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Old 12th May 2002, 04:07 PM   #6
Join Date: Feb 2002
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Default Oooops......

It was supposed to be "humour", so as not to offend those who speak the proper King's English.

As for you, while it was also a typo, I think I actually prefer it that way. I see your young ones kept you from sleeping again. Go back to bed.

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Old 12th May 2002, 09:29 PM   #7
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BJT's??? MOSFETs???? No tubies???

Come on, lets do this right. A sipo followed by an R-2R ladder feeding an ECC83 should do the trick.
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Old 12th May 2002, 10:32 PM   #8
sonnya is offline sonnya  Denmark
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hehehe ... this is so fun... come on ... Don't you guys ever get a picture of Jocko and Harry around here!!!

Jocko is NOT into NON oversampling... Should be the first clue!

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