The cure is to get a TS-480. Check out my review on eham.
Steve Ellington
N4LQ@iglou.com
----- Original Message -----
From: "Toby Pennington" <toby423@earthlink.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Wednesday, May 11, 2005 5:32 PM
Subject: Re: [TenTec] Phase Noise on Jupiter
> Steve, Thanks for the info about the phasing noise. I can live with it
> and
> since the Jupiter is going to be a backup rig to the Orion, it may not be
> a
> major problem for me, just don't like it being in there though. You are
> right, there is some difference from rig to rig. I have tried three
> different ones now and they all have the problem to some degree but two of
> them are worse than the third. I love the JUP's QSK however, and general
> ease of operation with the menus and settings. Just wish there was a fix
> for the raspy cw note or phase noise introduced into the audio stream of
> received cw signals. Getting good reports on the sent cw note so far.
> Toby W4CAK
>
>
> ----- Original Message -----
> From: "n4lq" <n4lq@iglou.com>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Wednesday, May 11, 2005 3:36 PM
> Subject: Re: [TenTec] Phase Noise on Jupiter
>
>
>> This is typical of Peg/Jupes. It is also on transmit but usually not
>> noticable unless the signal is super strong like S9+30db. You can see
>> the phase noise on the ARRL expanded report. It's many db down from the
>> carrier but still higher than most rigs. It seems to originate in the
>> first conversion stage, 45mhz or whatever. Also I've noticed some rigs
>> have it worse than others. On Pegasus's it sounds "hissy" and on some
>> Jupiters it sounds raspy. Years ago when the Peg was introduced I bought
>> one and the 45mhz osc. was microphonic. You could modulate the carrier
>> by tapping on the cabinet! I got a few T8 reports and shipped it back to
>> TT. After 2 weeks, they concluded that they all sound that way. I got a
>> prompt refund. Recently I tried another one, much newer. No sign of the
>> same trouble and rather clean carrier. Your mileage will vary on these
>> rigs.
>>
>> Steve N4LQ
>>
>> -----Original Message-----
>> From: "Toby Pennington" <toby423@earthlink.net>
>> To: "Ten Tec List" <tentec@contesting.com>
>> Date: Wed, 11 May 2005 14:35:20 -0400
>> Subject: [TenTec] Phase Noise on Jupiter
>>
>> > I hate to change the subject of getting ripped off on the auction
>> > sites. But I have been playing recently with several Jupiters and
>> > notice that there is a phase noise interjected on cw signals,
>> > expecially the stronger ones. This is on receive only.
>> >
>> > I read in the archives a thread about this in 2001 but never could find
>> > a conclusion or a fix for the problem. Turning down the RF gain or
>> > engaging the ATTN does not seem to help.
>> >
>> > Some would call this a raspy cw note. Moving the power supply away
>> > from the rig doesn't help any. Is there an answer for this
>> > characteristic of the Jupiter, or is it just something a Jupiter
>> > owner just has to enjoy.
>> >
>> > Toby W4CAK
>> > _______________________________________________
>> > TenTec mailing list
>> > TenTec@contesting.com
>> > http://lists.contesting.com/mailman/listinfo/tentec
>> >
>>
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>
>
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