[sdiy] Small Resistors and slider pots

[Happy Harry]

In most applications a 9K pot would be a direct sub for a 10K
pot... for voltage dividers such as (er...) CV sources... its
fine. You NEED to calculate the wattage to make sure you do not
fry the element...

There is a $.15 price on hundreds of this part... maybe a group
buy (I am NOT interested, but its a good idea !)

Switching Power supplies are very lightweight and efficient, but
electrically noisy. Linears are heavy and less efficient, but
noise is typically MUCH less...

H^) harry


>From: "Reverend djbluE (Chromatest)" <djblue at graffiti.net>
>Reply-To: djblue at graffiti.net
>To: Synth DIY <synth-diy at node12b53.a2000.nl>
>Subject: [sdiy] Small Resistors and slider pots
>Date: Mon, 02 Apr 2001 12:10:45 -0500
>
>
>Hi all, I'm building one of Tom G's Mad Mouse Pro's and I somehow got
>1/8 watt resistors in one of the values, the 68k.  Are these useable,
>or should I get the 1/4 versions instead?
>
>All Electronics http://www.allectronics.com has a special on 9K linear
>slide pots for .25 each.  These are 2 inches long with a 1.25 travel.
>I was thinking these would be perfect for adsrs if not an entire
>synth.  The only issue was the 9K value.  Is this going to be a useful
>value?  I was thinking that a 1k resistor could be used in series, but
>there still would only be 9k in travel.  0-9K or 1K-10K.
>They are part number LSP-9K in case anybody is interested.
>
>And while I'm at it, can anybody point me to a power supply tutorial
>somewhere?  I've searched most of the major engines and not found
>anything helpful.  I'm especially interested in the differences
>between switching and linear supplies, and why one is better than the
>other for certain apps. thanks!
>-ben

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