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Date: Wed, 25 Sep 2002 10:38:35 +0200
From: Rene Tschaggelar
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0
X-Accept-Language: en-us, en
Subject: Re: Current Feedback Amp Questions
Organization: Swiss Federal Institute of Technology (ETHZ)
The LT1210 is great. It might be a bit noisy though.
I tend to use it in all designs where the current
is required. CFA's are more stable, especially at
Since it is not that expensive, give it a try.
> I am working on a project and an engineer from Linear Technology suggested that
> I use a LT1210 Current Feedback Amplifier. I've used 'run of the mill' voltage
> 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 of the
> 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 should
> not be too concerned with bandwidth. True??
> Any other problems with this type of device that I am not aware of??
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