[time-nuts] new op amp for distribution amplifiers

Attila Kinali attila at kinali.ch
Tue Dec 18 19:46:34 UTC 2018


On Sat, 15 Dec 2018 19:02:30 +0200
Anders Wallin <anders.e.e.wallin at gmail.com> wrote:

> That got rid of the self-oscillation - but now I am left with severe (16 dB
> @ 230 MHz) gain-peaking! (see attached figure)

Could it be, that the stray capacitance to ground of the non-inverted
input is now too big? You increased the feedback resistors by factor 5,
so effect of the stray capacitance also increased roughly by a factor of 5.

				Attila Kinali

-- 
<JaberWorky>	The bad part of Zurich is where the degenerates
                throw DARK chocolate at you.




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