[ICOM] Changes in the Filtering of the Icom IC-775DSP

[Hans Remeeus]

Very good suggestions, Adam!

The 2. was new to me.


73,
Hans Remeeus (PA1HR)
http://www.remeeus.nl
Communication is about people, the rest is technology.

----- Original Message ----- 
From: "Adam Farson" <farson at shaw.ca>
To: "'ICOM Reflector'" <icom at mailman.qth.net>
Sent: Monday, April 11, 2005 9:45 AM
Subject: RE: [ICOM] Changes in the Filtering of the Icom IC-775DSP


> Hi Hans,
>
> Interesting collection of filter choices. In 1995, I made some filter
> changes on my IC-781, as follows:
>
> 1. Replaced the FL-96 with an FL-44A. This improved Twin PBT operation and
> adjacent-channel selectivity by closely matching the bandwidths and
> shape-factors of the two filters (FL-80 and FL-44A).
>
> 2. Replaced the stock FL-102 with an FL-223 (9 MHz, 1.9 kHz BW), and 
> flipped
> the two dipswitches on the IF board. This provided a narrow SSB setting
> (selected by pressing the "WIDE" button!)
>
> Cheers for now, 73,
> Adam VA7OJ/AB4OJ