[Hammarlund] SP600-JX-17 HOOK UP TO DRO-50

Sun, 7 Dec 2003 02:50:05 -0800 (PST)

Can you send me a circuit diagram or some info. I have not seen one of these before..

Rodney

--- Cecil Acuff <[email protected]> wrote:
> Hey Guys,
> 
>         Do you know of any of these that have actually worked properly.  A
> buddy of mine had one and never could get it to work...added the preamp but
> still no joy!  I would love to have one for each of my 600's once the bugs
> are worked out..
> 
> Cecil...
> ----- Original Message ----- 
> From: "Rodney Bunt" <[email protected]>
> To: "tgrieco" <[email protected]>; <[email protected]>
> Sent: Saturday, December 06, 2003 7:06 PM
> Subject: Re: [Hammarlund] SP600-JX-17 HOOK UP TO DRO-50
> 
> 
> > There is a 3.5MHz mixer used on frequencies above 7.4Mhz. below this it
> gates the signal directly
> > into the IF at 455kHz.
> >
> > So does this frequency readout, have a inputto tell it that you are using
> a band above 7.4MHz and
> > subtract the 3.5MHz , check out this site for how it is done.
> http://www.aade.com/dfd1HAM.htm
> >
> > Rodney
> > VK2KTZ
> >
> > --- tgrieco <[email protected]> wrote:
> > > I have a Hammarlund SP-600-JX17 that I am trying to hook up to my radio.
> > > Communications Electronics DRO-50
> > > frequency readout made specifically for this unit. I guess only a
> hundred
> > > were made. It has a bnc off the back, but can't find where exactly to
> > > connect the wire to the radio. I have had excellent help, but still not
> > > working. The radio is fine and so is the DRO. When I am on 14 Mhz it
> reads
> > > 17Mhz.Any takers out there??
> > > Tim
> > >
> > >
> > >
> > >
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