On 7/19/12 4:09 PM, Magnus Danielson wrote:
On 07/20/2012 12:33 AM, [email protected] wrote:
Are you speaking of slew rate limiting in the strict sense of the
word, that is a current starved input stage due to the presence of a
compensation cap? Or are you using the term slew more vaguely.
I am speaking neither.
If you have a sine of a particular frequency and amplitude, then you
have a known slew-rate, it peaks at 2*pi*f*A, where A is the amplitude
of the sine. As you amplify this signal, the slew-rate will grow
proportionally. Recall that the jitter of a trigger point is noise
divided by slew-rate. This is why we want to increase the slew-rate to a
maximum while adding minimal noise.
<snip>
nice simple explanation...
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