On Thu, 12 May 2016 05:51:50 +0000 (UTC)
Bruce Griffiths <[email protected]> wrote:
> The input noise of a 125 series gate will be far larger than the noise at the
> mixer output at the beat frequency. A 125 may be useful as the output stage
> of a Collins style limiter chain wherein which the gain and bandwidth of each
> successive stage increases in a way that ensures that the output slew rate
> increases whilst minimising the output jitter due to amplified noise..
For those wondering what a Collins style limiter is, see [1] (sorry,
I couldn't find a non-paywall version). Bruce page on limiters [2] contains
also a lot of information. The discussion[3] on the Collins limiter 4 years
ago might also be worth a look.
Attila Kinali
[1] "The Design of Low Jitter Hard Limiters", by Oliver Collins, 1996
http://dx.doi.org/10.1109/26.494304
[2] http://www.ko4bb.com/~bruce/ZeroCrossingDetectors.html
[3] https://www.febo.com/pipermail/time-nuts/2012-August/069441.html
--
It is upon moral qualities that a society is ultimately founded. All
the prosperity and technological sophistication in the world is of no
use without that foundation.
-- Miss Matheson, The Diamond Age, Neil Stephenson
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