What is the function of this circuit?

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kkdelabaca

Joined: 18 Apr 2003
Posts: 106

12 Dec 2007 14:37 What is the function of this circuit?

Hi, What is the function of these circuit?

R3 and C2 make one low pass filter and the amplifier are configured like integrator.

What is its use?

Thanks!

Last edited by kkdelabaca on 12 Dec 2007 16:44; edited 1 time in total

master_picengineer

Joined: 03 Sep 2007
Posts: 1050
Helped: 62

12 Dec 2007 14:42 What is the function of these circuit?

Please reupload the schematic.
I'm not seeing it .

kkdelabaca

Joined: 18 Apr 2003
Posts: 106

12 Dec 2007 16:34 Re: What is the function of these circuit?

Hi master_picengineer, I can see the image perfectly. Thanks!

gpwu

Joined: 07 Dec 2007
Posts: 49
Helped: 4

12 Dec 2007 17:44 What is the function of this circuit?

I guess it tries to average video signal.

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arefeidi

Joined: 06 Sep 2007
Posts: 80
Helped: 3

12 Dec 2007 19:17 What is the function of this circuit?

R3 and C2 are forming a very low frequency lowpass - the circuit somehow looks like nonsense to me if the input really is a video signal.


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What is the function of this circuit?