[sdiy] foolish DC level shift question

Richie Burnett rburnett at richieburnett.co.uk
Fri Jul 17 10:24:57 CEST 2015



Sent from my Xperia SP on O2

---- Colin Hinz wrote ----

>Hey all,
>I've got an oscillator which has an AC-coupled output, and I want
>to level-shift it such that the minimum is always at 0 volts. I'm
>trying to think of a simple way of doing this and I'm coming up
>with nothin'. A couple of peculiarities of the signal:
>a) Amplitude can be up to 100 Vp-p, so obviously, no op-amp
>    solutions here, and
>b) waveshape varies from sawtooth to something like an exponential
>    curve.
>Any ideas?
>thanks in advance,
>- Colin
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