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Clumsy Sentence

Untitled

This sentence strikes me a being non-ideal:-

In other words the magnitude of the output signal is determined by the length of time a voltage is present at its input as the current through the feedback loop charges or discharges the capacitor as the required negative feedback occurs through the capacitor.

I would suggest it could be replaced by this (or just the first 2 sentences of this): -

In other words the magnitude of the output signal is determined by the length of time a voltage is present at its input. The integrating function is provided by the capacitor according to the general capacitor characteristic Vcap = (1/C)*integral(I)dt. The current (I) through the input resistor (I = Vin/R) and that through the capacitor (provided by the feedback path) are equal and opposite. The voltage developed across the capacitor is Vcap = (1/C)*integral(I)dt = (1/R*C)*integral(Vin)dt, and since the inputs of the amplifier are at ground potential, this is the negative of the output voltage. — Preceding unsigned comment added by 82.32.50.178 (talk) 06:43, 13 June 2012 (UTC)[reply]

Merge proposal

I propose this article be merged into Operational amplifier applications, as the information covered here is mostly covered in the target article, and there isn't enough in-depth discussion to warrant a separate article. I suggest merging/expanding practical applications, the frequency response discussion, and any new points on the practical circuit issues. The derivation is fairly basic but could be valuable—it seems out of place in the target article, though, so might be appropriate as a sub-page (as I've seen some electromagnetic articles do).

If not, this is a stub that, along with having explanations and figures fixed up, could be expanded with some more theoretical analysis of both circuits and further discussion of practical issues, their solutions, applications. I'm not sure that level of analysis on a circuit is within Wikipedia's technical article scope, though. I could contribute theory, not so much practical discussion. Laogeodritt ^{[ Talk | Contribs ]} 08:05, 26 December 2012 (UTC)[reply]

@Laogeodritt: I have made an attempt to merge the information in this article into Operational amplifier applications#Inverting integrator. I prepared a SVG of the circuit in the style used in that article. I have not, however merged in the discussion of frequency response and the attendant graphs. ArthurOgawa (talk) 05:19, 25 February 2014 (UTC)[reply]

Agreed - it would make sense to merge rather than having this separate article. DaveApter (talk) 11:06, 10 September 2014 (UTC)[reply]

v_1

The description of the ideal circuit refers to v_1 but that's not on the diagram. Is it the +ve input to the op amp? Bruce Mardle (talk) 12:56, 6 June 2020 (UTC)[reply]

Deboo not mentioned?

I note the deboo integrator links here but the deboo is single supply so it deserves an explanation. There is a detailed explanation from Analog Devices but I don't know how to link on this little device. 82.24.18.184 (talk) 20:30, 29 June 2022 (UTC)[reply]

India Education Program course assignment

This article was the subject of an educational assignment supported by Wikipedia Ambassadors through the India Education Program.

The above message was substituted from {{IEP assignment}} by PrimeBOT (talk) on 20:20, 1 February 2023 (UTC)[reply]