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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Re: Adding capacitance to PS / How much if any? posted by mneedes on May 29, 2000 at 16:11:46:
A linear regulator in series with the bridge will have a power
loss -- especially at high-line, but if you can tolerate this,
you can use it to provide a heck of a lot more rejection at low
frequencies than an "equivalently-sized" capacitor. You can then
use a lot lower value capacitors on the output of the linear
regulator to achieve the same output impedance.In other words, use a linear regulator to give you lower output
impedance at low frequencies, and then have a relatively small
capacitor "take over" where the regulator's bandwidth starts rolling
off. The linear regulator will also increase noise rejection at
low frequencies from your input bridge.Matt
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Follow Ups
- Also, use linear regulators to further improve output impedance - mneedes 16:17:17 05/29/00 (0)
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