Re: [TenTec] Rx340 Close in dynamic range modification by N4PY

["Tom Rauch" <w8ji@contesting.com>]

> Anyway, with this filter installed, the close in dynamic range for
> signals between 3 and 10 khz away is now improved to over 100 db. Of
> course, the dynamic range for signals past 10 khz was always very very
> high. There is no change for signals less than 3 khz away.
>  That figure is still 65 db.
> Because of the 1 khz center frequency tunig of the DSP, I cannot use a
> tighter filter than this.  The mod was not too hard to install but did
> require cutting one land trace on the second mixer board ( a little
> scary!).

Well, at least it would be good for SSB now. It makes the RX340 about 
like the old FT101EE's and unmodified Drake R4C's.

73, Tom W8JI
W8JI@contesting.com