[Elecraft] KDSP2

[Lyle Johnson]

> A question, what is the lock-in response time of the auto notch
> filter.  It is interesting to slide up to a BC station and hear the
> carrier beat note vanish.  During this recent solar outburst the
> carrier beat note has been distinctly rough and the auto notch
> couldn't lock-in.

A warbling tone is essentially an FM signal, so the notch won't find it
before it has moved.

The lock-in time is some tens of milliseconds.  This is controllable to some
extent by the beta control.

73,

Lyle KK7P