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Old 7th January 2007, 09:42 PM   #1
mikee55 is offline mikee55  United Kingdom
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Default whats the difference between inverting and no inverting

Hi all, can you give me a quick reply on the difference between a non-inverting op-amp and an inverting op-amp circuit, please. If I wire plus to output in an active filter, would I lose gain?

Cheers Mike

ps.don't have time to search, re-loading windows.

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Old 7th January 2007, 10:36 PM   #2
AndrewT is offline AndrewT  Scotland
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Hi,
the bottom won't work as an active filter.

You can't just swap the input pins.
The circuit for an inverting amp is different from a non-inverting amp.

Most filter circuits are non-inverting, but MFB is inverting.
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