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The Signal Sped Up

Input and Output Voltage Range Issues for High Speed CFAs and FDAs, Insight #2

Michael Steffes
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steve.taranovich
steve.taranovich
10/31/2018 5:51:51 PM
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Re: SPAM
@eldercosta----Sorry, it is so frustrating---I was out of town on business a few days, so I did not catch this----popular sites are so inundated by these nuisance SPAM comments. I try to catch these as soon as I can; and our IT group has to watch all the many online forums we have, so we are doing our best. Be sure that we are doing our best to rid our sites of this 'plague'.

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eldercosta
eldercosta
10/30/2018 6:09:15 AM
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The guy registered just to post SPAM. There should be a way to report SPAM abuse.

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More Blogs from The Signal Sped Up
The more recent Fully Differential Amplifiers (FDA) offer both CFA and VFA versionsThe CFA based versions will also have poor DC accuracy while more recent “precision” VFA based FDAs can provide much improved DC accuracy. Those VFA-based FDAs do come with some added DC error sources beyond the typical op amp terms that will be described here
This part 3 will progress through the different VFA approaches with Part 4 moving on to CFA and FDA DC precision considerations
Some years back, an excellent blog appeared on EDN stepping through common issues and questions surrounding lower speed Voltage Feedback Amplifiers (VFA). A wider discussion of the unique issues that come with higher speed op amps will be the intent here
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