Yes he is correct but the power supply only worsens what is already present.
The 70mhz oscillator is so sensitive to RF, vibration and magnetic fields
that you can actually modulate it with you voice if you care to yell loud
enough. Comes in handy on 29mhz!
Steve Ellington
N4LQ
-----Original Message-----
From: Bob & Linda McGraw K4TAX <RMcGraw@InfoAve.Net>
To: Carl Moreschi <n4py@earthlink.net>
Cc: tentec <tentec@contesting.com>
To: <tentec@contesting.com>
Date: Sunday, March 04, 2001 10:14 PM
Subject: Re: [TenTec] Jupiter & Pegasus CW note
>
>Carl is correct. Not an uncommon problem. With my Omni VI+ and the
>Tentec psu on the left side of the radio I have a slight hum on the SSB
>audio. With the psu on the right side......no problem.
>
>73
>Bob K4TAX
>
>
>Carl Moreschi wrote:
>>
>> I just have to say that it is a known problem that if the pegasus or
jupiter
>> is too close to the power supply, a 60 hertz component gets modulated on
>> the CW carrier producing a raspy CW note. You must keep the power
>> supply at least 2 feet from the transceiver. The problem is not RF
getting
>> into the transceiver, it is caused by the magnetic lines of force from
the
>> power
>> supply transformer modulating the oscillators in the transceiver.
>>
>> I have had several hams listen to my pegasus CW note and all say it
>> sounds great.
>>
>> I wonder if the ARRL test had the power supply near the pegasus.
>>
>> Carl Moreschi N4PY
>> Franklinton, North Carolina
>> n4py@earthlink.net
>> ----- Original Message -----
>> From: "David McClafferty" <at060@chebucto.ns.ca>
>> To: "Paul Christensen" <paulc@mediaone.net>
>> Cc: "Tentec Users Reflector" <tentec@contesting.com>
>> Sent: Sunday, March 04, 2001 4:53 PM
>> Subject: Re: [TenTec] Jupiter & Pegasus CW note
>>
>> >
>> >
>> >
>> > On Sat, 3 Mar 2001, Paul Christensen wrote:
>> >
>> > >
>> > > It's unlikely you'll see anything abnormal with an audio spectrum
>> analyzer.
>> > >
>> > Sorry I should have said I was using an RF spectrum analyzer. It is a
>> > homebrew analyzer that was described in QST some years back. I built it
up
>> > from an A&A Engineering kit. BTW it is for sale along with a Tektronix
902
>> > diplay unit (scope). A spare scope tube, two spare Jerrold TV
converters
>> > (used in the Spec. Analyzer) for $400.00 Canadian, if anyone is
>> > interested.
>> >
>> > 73, Dave. VE1ADH
>> >
>> >
>> >
>> > --
>> > FAQ on WWW: http://www.contesting.com/FAQ/tentec
>> > Submissions: tentec@contesting.com
>> > Administrative requests: tentec-REQUEST@contesting.com
>> > Problems: owner-tentec@contesting.com
>> >
>> >
>>
>> --
>> FAQ on WWW: http://www.contesting.com/FAQ/tentec
>> Submissions: tentec@contesting.com
>> Administrative requests: tentec-REQUEST@contesting.com
>> Problems: owner-tentec@contesting.com
>
>
>--
>FAQ on WWW: http://www.contesting.com/FAQ/tentec
>Submissions: tentec@contesting.com
>Administrative requests: tentec-REQUEST@contesting.com
>Problems: owner-tentec@contesting.com
>
>
--
FAQ on WWW: http://www.contesting.com/FAQ/tentec
Submissions: tentec@contesting.com
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