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Re: inverting opamp simulation: rapid component variation


John Woodgate
 

In message <CALBs-TimcdbfLAxu36m7Ee1HQ-dynXhchgbbKNqC+zGjJWvJWw@...>, dated Mon, 15 Apr 2013, Andy <Andrew.Ingraham@...> writes:


He's talking about R2 variations at high frequencies, getting Bode plots. Under those conditions, the assumption falls through.
Indeed: in that case the gain formula gets more complicated, but the output is still a sine wave unless there is slew-rate limiting (aka 'transient harmonic distortion').

--
OOO - Own Opinions Only. See www.jmwa.demon.co.uk
They took me to a specialist burns unit - and made me learn 'To a haggis'.

John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

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