[RTTY] 300hz or 500hz IF filter?

[Peter Laws]

On Thu, Aug 22, 2013 at 4:38 PM, David VE3VID <ve3vid at hotmail.com> wrote:
> Hello everyoneI would like to outfit my FT-857D portable rig with an IF filter on its 455khz stage.  INRAD sells a suitable 500hz unit.  They also have a 300hz unit.   I am leery about the 300hz filter being too narrow.
> Any opinions?

Chen will chime in, I'm sure, and will have the most accurate answer,
but I think the "optimal" width for 45.45-baud 170-Hz shift RTTY is
350 Hz.



-- 
Peter Laws | N5UWY | plaws plaws net | Travel by Train!