[Date Prev][Date Next][Thread Prev][Thread Next] - [Date Index][Thread Index][Author Index]

Re: Re: Symek IFD Board Installation



UO-36, see this months QST, you can't miss it. It is on the front cover.

At 02:17 PM 3/30/00 -0800, PAT McGRATH wrote:
>Any satellite presently transmitting  38k?
>
>If so which sat and what frequency?
>
>
>----- Original Message -----
>From: "John Melton - Sun UK - ENS" <John.Melton@uk.sun.com>
>To: <jbblack@mindspring.com>
>Cc: <amsat-bb@AMSAT.Org>
>Sent: Thursday, March 30, 2000 8:04 AM
>Subject: Re: Re: [amsat-bb] Symek IFD Board Installation
>
>
> >
> > Joel,
> >
> >
> > > Thanks for the reply, John.  I now have a question regarding your IFD
> > installation.  Are all of your connections (i.e. RF-OUT, RF-IN, and
>DATA-OUT)
> > connected to the outside pins of the IFD board?
> > >
> >
> > I cannot remember which way round they are.  I will check when I get home
> > tonight.
> >
> > > Second, in the instructions, I thought it said not to connect the GND
> > connection as the IFD board was grounded with the shields connected to GND
>on
> > the 70cm RF board (the mixer and filter connections).  I don't see how
>this
> > works.  To me, this is isolating the IFD from GND.  Shouldn't the GND
>connection
> > be "made up" somewhere?
> > >
> >
> > Did you not connect the outer shield of the ptfe coax to ground
>connections at
> > each end?  The remark in the instructions about not needing to connect to
>ground
> > was for the power connections as the ground connection is provided by the
>outer
> > shield of the coax.
> >
> >
> > Let me know if that was the problem,  or am I just reading too much into
>what
> > you have said.
> >
> > P.S.  My Icom-821 complete with CT-17 RS-232 interface and IFD board is
>for sale
> > ;-)
> >
> > -- John Melton  n6lyt/g0orx
> >
> >                 Principal Systems Software Engineer
> >         ((      Sun Microsystems,
> >       (|~~|     Flour Daniel Centre East, Riverside Way
> >        `--'     Camberley, Surrey GU15 3YL  England
> >        JAVA     Phone: +44 1276 416297  (internal ext 16297)
> >                 Email: john.melton@uk.sun.com
> >
> >
> > ----
> > Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> > To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
> >
>
>----
>Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
>To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org

Rich Parry, W9IF

----
Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org



AMSAT Top AMSAT Home