[TenTec] 2800Hz filters in 9mHz slots?

[Mark van Wijk, PA5MW]

Hi Mark,

You first need to determine what your actual goal is here.
Most IF filters are designed to create proper selectivity, matching the mode 
and current way of operating and signals on the band. And then we still can 
have as many solutions as there are opinions.

If you are after the maximal (wider) audio fidelity during TX, you need to 
check the ESSB websites (=Extended SSB). They can tell you what IF 
filterbandwidth is optimal at your max DSP setting.
Next you probably can order a custom IF filter at INRAD.

>From your question "did it improve transmit fidelity to the receive 
stations?" I think you are best served by learning what higher fidelity TX 
sound is all about and at what different hardware locations/buttons/menus 
you can tinker to get results. Even more to learn what the limitations are 
and which parts of the whole AF audio spectrum will be relevant for you and 
what not.

Look for the ESSB websites, there's plenty of detailed info there.


73 Mark, PA5MW






-----Original Message----- 
From: Mark Kenward
Sent: Sunday, July 19, 2015 6:52 PM
To: Discussion of Ten-Tec Equipment
Subject: [TenTec] 2800Hz filters in 9mHz slots?

Has anyone used a 2800Hz filter in their Omni/Paragon rig in the 9mHz slot 
to widen their band width?

Just wondering if it was worth the effort, and did it improve transmit 
fidelity to the receive stations?

Mark
K8VF
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