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Subject: Re: Current Feedback Amp Questions
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
Date: Tue, 24 Sep 2002 02:42:45 GMT
NNTP-Posting-Date: Mon, 23 Sep 2002 19:42:45 PDT
Organization: EarthLink Inc. -- http://www.EarthLink.net
"Rileyesi" wrote in message
> I am working on a project and an engineer from Linear Technology suggested
> I use a LT1210 Current Feedback Amplifier. I've used 'run of the mill'
> feedback op amps, but have never used the current feed back style.
> The only downside I could see from the datasheet is that the performance
> current feedback dedvice depends greatly on the output conditions (i.e.
> resistive load and load capacitance). He said that it affects mostly the
> bandwidth. I am handling only regulated, slow moving DC signals, so I
> not be too concerned with bandwidth. True??
> Any other problems with this type of device that I am not aware of??
Why did LT recommend a current-feedback opamp if you don't need the speed?
If you have to use one then be aware of their minimum gain limits.
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