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5th element 21st April 2007 02:59 AM

Good alternative to AD817/825 in Jung regulator?
I am in the process of building 8 Jung/ALW super regulators. Farnell/CPC and RS components don't seem to stock the 817, Newark a part of Farnell stock them, but I refuse to pay an additional 15 for PnP just for a few opamps.

Are there any alternatives? I've got a few AD797s on hand, but they can suffer from stability issues it seems.

Many thanks Matt.

AndrewT 21st April 2007 08:06 AM

I have read that opa228 performs well in low noise situations where 797 were specified.
This may be a case where it could do an adequate job. They are surprisingly cheap for the spec they achieve. Also available as dual 2228 and quad 4228 and unitygain 227, 2227, 4227.

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