[sdiy] moog high pass flter
Seb Francis
seb at is-uk.com
Mon Dec 9 19:20:52 CET 2002
Isn't this where the sixpack comes in? If you keep the beer at the same temperature (and I know Australians are very particular about the temperature of their beer) this helps stabilise the temperature of your fingertips, and hence the transistors ;-)
jhaible at debitel.net wrote:
> > i find matching tranies not so hard, but time consuming. the type of thing
> > done drinking a sixpack and watching a movie (well thats what i was doing
> > when i built the lowpass)
>
> ... as long as you don't stir the air too much when you're reaching for
> your sixpack. (;->)
>
> Seriously: the temperature is crucial if you match transistors.
> If you read the same Vbe on the meter, but your transistors have
> a temperature difference of a few degrees C, you have no matched
> transistors.
>
> (Not saying that you don't know how to do it. Just in general,
> I wonder how many "hand matched transitors" are really matched.)
>
> JH.
>
> -------------------------------------------------
> debitel.net Webmail
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