Re: Operational Amplifier Design

From: Ken Smith (kensmith_at_green.rahul.net)
Date: 11/09/04 

Date: Tue, 9 Nov 2004 18:57:18 +0000 (UTC)

In article <cmp15a02tuc@drn.newsguy.com>,
Winfield Hill <whill_a@t_rowland-dotties-harvard-dot.s-edu> wrote:
>Jim Thompson wrote...
>>
>> But I don't know of a single commercial amplifier that isn't set
>> up that way.
>
> Doesn't adding a modest series resistor (along with an ESD network
> after the resistor) give one a chance to both stabilize the loop,
> and avoid ESD failure?

Yes, adding a resistor in series with the compensation cap can add a zero
to the transfer function. If this zero lines up with the pole from, lets
say, the input pair, then stability can be improved. 

-- 
--
kensmith@rahul.net   forging knowledge

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