In Reply to: Oh, well posted by Ted Smith on October 25, 2010 at 22:44:53:
The mains PS is very important. I separate digital and analog supplies with isolation transformer and a regenerator. They make a substantial difference as well as the regenerator frequency!
All this stuff about ALW is way over cautious. There are NO stability issues and nothing I'd thrown at it has created a problem. The ALW comfortably supplise 5V 500 mA (should do more) and is cool at that rating, and I have used many for all kinds of duty. The pregulator makes a difference in terms of ultimate noise which is about 5-7 uV 1MHz only when connected to a digital circuit. There is a SMT version as well. The lowest noise LT regulators are way noisier, no matter how they are bypassed.e
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Follow Ups
- RE: Oh, well-everything counts - fmak 02:27:37 10/26/10 (2)
- RE: Oh, well-everything counts - Ted Smith 07:24:09 10/26/10 (1)
- RE: Oh, well-everything counts - fmak 08:09:13 10/26/10 (0)