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Tubes?

Started by Super God, July 18, 2007, 06:46:18 PM

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Super God

July 18, 2007, 06:46:18 PM
SM said transistors were far too noisy to use for prototyping, so I figured, "let's use tubes, he did say to use them, right?".  But, I don't know the first thing about electron tubes!!  I've never seen one, let alone use one.  Right now I'm looking on TubeDepot.com for some tubes, and I don't know what I'm looking for.  Ugh, frustrating!  Anyone with some tube experience here?  I could really use some help!  Thanks!!
>9000

tao

#1
July 18, 2007, 06:49:23 PM
Quote from: Super God on July 18, 2007, 06:46:18 PM
SM said transistors were far too noisy to use for prototyping, so I figured, "let's use tubes, he did say to use them, right?".  But, I don't know the first thing about electron tubes!!  I've never seen one, let alone use one.  Right now I'm looking on TubeDepot.com for some tubes, and I don't know what I'm looking for.  Ugh, frustrating!  Anyone with some tube experience here?  I could really use some help!  Thanks!!

I think that the majority of people here don't know how to use them either, you are not alone................... 

;)

Super God

#2
July 18, 2007, 06:50:56 PM
They cost an arm and a leg too, jeez 44.95$ for a tube...wow :o
>9000

Super God

#3
July 18, 2007, 07:21:25 PM
The 12AT7 looks good for my design, I can use either 6 volts or 12 volts for the heater, I think I'm going with 12 for now.  It seems weird using a transistor to switch a tube on and off rapidly.  Oh well, in SM we trust :D  Heh.  I hope these tubes work well.
>9000

nutekk

#4
July 18, 2007, 07:34:39 PM
wouldnt you want to be making a tube oscillator circuit
maybe a VCO ?
i guess you would need 3 of them.
look for some micro-tubes.
they will be small enough to fit in the center of the ring.
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