[sdiy] Analog MAT12 matched NPN pairs

Ian Fritz ijfritz at comcast.net
Sun Jun 1 18:24:47 CEST 2014

I don't think they are worth it for expo converters.  For critical 
differential pair applications they might be.  (In an expo converter the 
second transistor is strictly for temperature compensation.)

At 07:48 PM 5/31/2014, john slee wrote:
>I think my MFOS modular PCBs arrived at work last week. I was
>originally planning to match 2n3904s and cuddle them up in goo
>and heatshrink, but these caught my eye as I was browsing Mouser
>for VCO parts...
>Comments? They're quite expensive ($30+ each even in /10 qty)
>but OTOH I don't need that many, and they're in nice shiny metal
>cans, they're available, and they're already matched. Worth it?

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