voltage average circuit

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bageduke

Joined: 19 Oct 2005
Posts: 119
Helped: 8

27 Feb 2007 2:19 voltage average circuit

any circuit could get average voltage(DC voltage) of a signal with low noise and high speed?

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butterfish

Joined: 26 Oct 2005
Posts: 137
Helped: 6
Location: china

27 Feb 2007 2:42 Re: voltage average circuit

a low pass filter can do it. such as RC network.

wonbef

Joined: 13 Oct 2004
Posts: 191
Helped: 3
Location: Nanshan, Shenzhen

27 Feb 2007 9:44 voltage average circuit

for ac signal, you can use rectified it and average it

cougar168

Joined: 26 May 2005
Posts: 113
Helped: 7
Location: Silicon Valley => Shanghai

28 Feb 2007 6:31 Re: voltage average circuit

bageduke wrote:

any circuit could get average voltage(DC voltage) of a signal with low noise and high speed?

You may consider to use Switched Capacitor circuit to do it


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