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surianova
Joined: 01 Sep 2004
Posts: 399
Helped: 20
Location: ASIA
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 27 Oct 2004 4:58 offset compensation |
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Would any people like to introduce me some good book or material,which describe
the detail of DC offset compensation feedback of multistage-amplifier?
I am currently working on high-speed limiting amplifier, however still not
clear about the usage of the DC feed-back. Personally, I think it make the
circuit operating point insensible to process variation. Right?
Some paper integrated the DC-feedback path on-chip, some put it outside and
make it tunable. Which way is used for which reason?
Can any one give me a clear picture of it? Any material or paper introduce it
will be very helpful to me, thank you!
Suria
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sunking
Joined: 25 May 2004
Posts: 914
Helped: 46
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| 27 Oct 2004 9:13 Re: offset compensation |
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| Swith cap opa can be offset compensation
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piao
Joined: 12 Feb 2003
Posts: 223
Helped: 7
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| 27 Oct 2004 11:54 offset compensation |
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| It depends on the usage. you can refer to the data conversion book written by Razavi. There are some offset cancellation comparator.
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shengan
Joined: 05 May 2004
Posts: 1
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| 27 Oct 2004 12:13 Re: offset compensation |
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| http://focus.ti.com/lit/an/sloa059/sloa059.pdf
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selvaraja
Joined: 01 Jun 2004
Posts: 218
Helped: 3
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| 27 Oct 2004 15:38 Re: offset compensation |
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Hai,
You can read Design of Analog CMOS Intergrated Circuits by Behzad Razavi ...chapther 13 Nonlinearity and Mismatch it is vey cleary explained .
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kkoko
Joined: 07 Dec 2004
Posts: 22
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| 06 Jan 2005 15:02 Re: offset compensation |
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| for offset cancelation you can view in Johns book
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