Re: 434 oscilloscope.
From: BaggySac (BaggySac_at_hotmail.com)
Date: 06/23/04
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Date: Wed, 23 Jun 2004 10:30:38 -0400
oh well - I can always run it until it drops! I use it infrequently anyways
and mostly for audio... When it goes I'll come back here for sage advice on
an affordable alternative.
"Jim Yanik" <jyanik@abuse.gov> wrote in message
news:Xns95115E081AF09jyanikkuanet@204.117.192.21...
> "BaggySac" <BaggySac@hotmail.com> wrote in
> news:6F5Cc.26965$Nz.1125787@news20.bellglobal.com:
>
> > yes - I know it is an old beast, but it works flawlessly, so if I can
> > get it to do the job for me, why not? I suspect newer ones are a few
> > beer and cheesies worth...
> >
> > thx.
> >
> > "Jim Yanik" <jyanik@abuse.gov> wrote in message
> > news:Xns9510C3ECA5D8Djyanikkuanet@204.117.192.21...
> >> "BaggySac" <BaggySac@hotmail.com> wrote in
> >> news:HE1Cc.23611$Nz.1018304@news20.bellglobal.com:
> >>
> >> > I have this old tektronics scope. I did find a primer for scopes on
> >> > tektronic web site, but I cannot ind specs on the scope - like
> >> > bandwidth.
> >> >
> >> >
> >> >
> >>
> >> 434 has 25 Mhz analog non-storage BW.
> >> Stored writing rate depends on a few variables.
> >>
> >> FYI,These scopes have been out of production for a LONG time.
> >> You can get an approximate date of manufacture by checking date codes
> >> on various parts
> >> The format is ww-yy;last 2 digits of month,and year.I'd check the CRT
> >> date code,then ICs,timing caps,pots.
> >>
> >>
> >> minor nitpick;TektroniX,not -ics
> >>
> >> --
> >> Jim Yanik
> >> jyanik-at-kua.net
> >
> >
> >
>
>
> WRT age;
> The stored writing rate depends on the CRT's flood guns,and
eventually,they
> wear out.And such old scopes are hard to get parts for repairs.
> Plastic parts outgass,get brittle and break.
>
> The 434 PS was a wierd one,too.The HV assy was one of the weak points on
> this model.
>
> --
> Jim Yanik
> jyanik-at-kua.net
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