Re: [sdiy] Re: Rép : [sdiy] Hmmm...OK NOW you can panic :(

[Yves Usson]

Hi Jurgen

I agree with you but finding cheap matched NPN or PNP dual transistor
may be as difficult as finding a CA3096 or HFA3096.
Six month ago I purchased 150 2SC1583  from AmericanSemiconductor and 
100 2SA798
from Electronic Surplus inc, therefore I can do as you say.

Le mercredi, 29 sep 2004, à 12:52 Europe/Paris, jhaible at debitel.net a 
écrit :

> There's no need to match more than all corresponding pairs in an
> OTA. No need to match the mirror transitors to the input pair etc.
> As long as you can buy npn and pnp pairs, everything's fine.
>
> JH.
>
> (currently preparing experiments with a 6BC8-based VCA (;->) )
>
-------------------------------------------------------------
Yves Usson

email : yves.usson at imag.fr