[time-nuts] Simple Super Ripple Eater
davidwhess at gmail.com
Mon Jan 16 13:00:38 EST 2012
On Mon, 16 Jan 2012 12:48:24 -0500, michael taylor <mctylr at gmail.com>
>On Mon, Jan 16, 2012 at 12:17 PM, John Lofgren <jlofgren at lsr.com> wrote:
>> There have been discussions in the past about ways to reduce regulator output noise or clean-up oscillator or voltage reference power supplies. Here's an article from Design Ideas in Electronic Design that looks promising. It has pretty decent rejection even at 1 Hz.
>Am I wrong in assuming this is a similar to a circuit mentioned in
>time-nuts in the past in regards to voltage regulator noise, "Finesse
>Voltage Regulator Noise!" from Wenzel Associates?
It is a series configuration instead of a shunt configuration. They
both accomplish the same thing but in different ways. The Wenzel
design requires gain matching but should be unconditionally stable.
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