[sdiy] Trueno

Neil Johnson neil.johnson71 at gmail.com
Wed Dec 13 12:45:18 CET 2017


> W dniu 2017-12-13 o 10:44, Neil Johnson pisze:
>
>> So they're already operating the op-amps outside of their ratings (min
>> is spec'ed at +/- 5V).
>> Unless the circuit is designed with high impedances those poor old
>> TL074s will struggle to get any more than a couple of volts either
>> side of 0V.
>> They could have chosen better op-amps and got more headroom and/or SNR.

Roman Sowa wrote:
> But with proper opamps BOM cost would rise by $0.50!

Yeah, but if they built in volumes where that matters they could get a
better price :)

Neil
-- 
http://www.njohnson.co.uk



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