[sdiy] moog high pass flter

[benno]

yup, i know this. i just set up the breadboard in the corner of the room,
plugged the tranny in, and let it stabalise for a minute or two while i sat
back and watched the movie (can't remember the movie though).

on 9/12/02 11:28 PM, jhaible at debitel.net at 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.
> 
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