[Elecraft] K3 and Heathkit SB-610 monitor scope

[KC2UEE]

Thank you all for your replies.  I will only be using the 610 to monitor my
transmit waveform in sideband and AM.  I just wasn't sure how the 610 could
be used to monitor receive IF.  At this point, I don't think I'll bother
with that function for now.  Anyway, I was able to get a restored SB-610
from eBay for a fair price.  As for a spectrum scope, I'm still waiting to
see if Elecraft will release a stand alone unit.

73 de James K3JPS

On Wed, Apr 29, 2009 at 1:41 PM, Robert Dorchuck <w6vy at verizon.net> wrote:

> The SB-610 was basically a transmit monitor scope but could
> also be used to monitor receiver IF's up to 6KC (at least
> according to the manual) but I have never used one that way.
> In any case the IF on the K3 is to high.
>
> Bob  W6VY
>
>
> ----- Original Message -----
> From: <w5ov at w5ov.com>
> To: "Dave G4AON" <elecraft at astromag.co.uk>
> Cc: <elecraft at mailman.qth.net>
> Sent: Wednesday, April 29, 2009 10:07 AM
> Subject: Re: [Elecraft] K3 and Heathkit SB-610 monitor scope
>
>
> >
> > The SB610 is a transmit monitor scope. It is not a bandscope. The
> > model
> > SB620 was a bandscope.
> >
> > The SB610 is still very useful for monitoring your transmit signal
> > through
> > an amplifier for proper modulation and trapezoidal waveforms etc.
> > Good
> > luck finding parts.
> >
> > 73,
> >
> > Bob W5OV
> > ex- "One of the Hams at Heath"
> >
> >
> >
> >> James I am not sure you will get value for money from an SB-610,
> >> they
> >> date from the days when a decent oscilloscope was big and
> >> expensive.
> >> These days 'scopes with the capabilities to monitor your peaks are
> >> general purpose test items and don't cost much. The K3 also has a
> >> two
> >> tone test oscillator built in. The IF output of the K3 is quite low
> >> level and is centred on 8.215 MHz, not the final IF of 15 KHz.
> >>
> >> For my money, I would look for a general purpose oscilloscope for
> >> the
> >> shack and an SDR receiver ranging from the low cost Softrock IF, to
> >> LP-PAN or the more expensive general coverage ones. These will give
> >> you
> >> a panoramic view of the band and be far more useful than an SB-610,
> >> even
> >> if it could be converted to work at the K3 IF output.
> >>
> >> 73 Dave, G4AON
> >> K3/100 #80, Perseus SDR
> >> http://www.astromag.co.uk/k3/
> >> ----------------------------------
> >> I'm not very familiar with using monitor scopes, so please bear
> >> with me.
> >> I'm interested in picking up a used Heathkit SB-610 in order to
> >> monitor my
> >> sideband wave forms. From what I understand, all I'd need to do is
> >> connect
> >> the antenna out of the K3 to the SB-610, and the antenna input to
> >> the
> >> SB-610.
> >>
> >> Can anyone with experience with this scope know if it will work
> >> well with
> >> the K3? I think this SB-610 has a 455KHz coil installed as well. I
> >> do
> >> believe they can be switched out for a 4-6KHz coil for monitoring a
> >> receiver's final IF. I don't recall what the final IF of the K3 is
> >> operating at.
> >>
> >> 73 de James K3JPS
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