Isolation amplifier

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#1 21661546 23 Mar 2012 08:10

John Mar John Mar

Anonymous

Post #1
21661546 23 Mar 2012 08:10

Hi
I am need a isolation amplifer for measurements in lab.
Signals from 10Hz -30kHz.
Does someone know of a cheap amplifier to buy or simple circuit to build.
We prefere to buy ready made if not to expencive because it always takes time to buid and test before using.

John
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#2 21661547 23 Mar 2012 13:39

Todd Hayden Todd Hayden

Anonymous

Post #2
21661547 23 Mar 2012 13:39

How much isolation do you need?
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#3 21661548 23 Mar 2012 14:05

Todd Hayden Todd Hayden

Anonymous

Post #3
21661548 23 Mar 2012 14:05

I don't know if you really need an amplifier or just the isolation. In any case, Analog Devices has some nice isolation products as well as data converters and amplifiers. Many of them have eval boards which you can buy and possibly stitch together for a solution by wiring various boards together.

I did find this one but no eval board appears available. You might be abe to make a board for this without too much problem.
http://www.analog.com/en/specialty-amplifiers...lation-amplifiers/ad215/products/product.html
#4 21661549 24 Mar 2012 06:45

John Mar John Mar

Anonymous

Post #4
21661549 24 Mar 2012 06:45

Hi Todd
I need 500V isolation min.
Thank you for this informations I will look at that.
I found one amplifier when searching yesterday that maby could work for me too.
http://www.h-instruments.com/product/isolatio...r__iso-10___01hz_to_100khzp484050_1774436aspx
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