[Kenwood] Filter 500Hz for TS450

Sun, 2 Mar 2003 23:01:18 -0600

Carrier oscillators not set correctly.

Clif Holland, KA5IPF
AVVid
Authorized Kenwood and Icom Amateur Service
www.avvid.com
1-800-214-5779

----- Original Message -----
From: "KD5NWA" <[email protected]>
To: "Kenwood" <[email protected]>
Sent: Sunday, March 02, 2003 9:37 PM
Subject: Re: [Kenwood] Filter 500Hz for TS450

> As an interesting side effect, if you get both and turn them both on, your
> bandwidth turns our to be about 300 Hz. It seems that the filters are not
> centered so they end up with mismatching bandpass, the 8.83 MHz filter has
> a lower bandpass than the 455 KHz filter.
> I plugged the audio of a TS-450 with a lot of band noise and ran a FFT
> program to map the frequencies that would pass through the filters and
> noticed that the two CW filters have  a different center frequency.
>
>
> At 08:31 PM 3/1/2003, Martin Arsenault wrote:
> >Hi,
> >
> >Just a question about 500Hz CW filter for TS450sat :
> >
> >Right now in my rig, I can only used 6K filter on 8.83 IF and
> >2.4K filter on 455KHz IF. I plan to add a 500Hz filter but I
> >don't know if it is preferable to install it in 455IF or in 8.83
> >IF.
> >
> >Somebody could give me more information about this?
> >
> >Thanks and 73 de Martin VE2BQA
> >Chambly, Qc, Canada
> >[email protected]
> >
> >Maintenant en ligne!!
> >Visitez http://www.radioamateur.ca
> >
> >
> >- - -
> >
> >Your moderator for this list is:
> >Larry Wilson KE1HZ [email protected]
> >
> >_______________________________________________
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>
> Cecil
> KD5NWA
>
> - - -
>
> Your moderator for this list is:
> Larry Wilson KE1HZ [email protected]
>
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