On 9/18/21 10:50 AM, Lux, Jim wrote:
LT3042 and LT3045 are your friend here. Excellent PSRR well up past 10
MHz.
If you need more current, you can just parallel them.
$6 each for the 3045 from Digikey
For best performance, take a look at the layout suggestions in the
3042/3045 datasheet, and especially the way the evaluation board is laid
out. There's quite a difference between their recommendation and what
my first uneducated attempt looked like.
John
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