[sdiy] Speaking of Vanishing OTAs

[harrybissell]

Try matching teeny weenie SMT transistors...

now remember... no fingers  :^P

(not that fingers would help much anyway)

I had to do some SMT repair the other day... under the
microscope, my trust x-acto knife looks like a battle-axe !!!

H^) harry

Peter Grenader wrote:

> Roy J. Tellason wrote:
>
> >>> Any comments on what our options are for triangle VCO cores in the
> >>> absence of OTAs?
>
> There are many!  The Plan B doesn't use an OTA.  A four tranny, four
> resistor current mirror takes its place.  Matching is an issue, but not an
> unsolvable dilemma by any means.
>
> - P