Hello, Time-Nutters--
Bob Camp said:
> snip
> ...stability is not the only issue.
> Crud on the power supply is an issue as well.
> Some of the ultra low drop out regulators
> are not real good crud blockers.
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So... This would seem to bring up the question
of which 3-terminal regulators ARE good (if not
"good" then which are the "best"?) providing both
stability -AND- clean, crud free output?
How about old standby regulators such as
the 723? Problem there is that the stand-alone
chip is only good for really low current.
For years I have been using general purpose
3-terminal regulators sometimes with carefully
selected low impedance capacitance on the output.
In some cases I have found that a high-gain
transistor in the output configured as a
"capacitance multiplier" serves to handle
current load spikes but is only a nominal help
in cleaning up crud on the output.
Comments? Suggestions?
Mike Baker
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