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From: "Michael A. Terrell"
Subject: Re: Which older Tek scopes are considered good buys? What specs to look
Date: Sat, 28 Sep 2002 20:14:52 -0400
Organization: I'm trying!
X-Mailer: Mozilla 4.61 [en]C-CCK-MCD (Win95; U)
References: <firstname.lastname@example.org> <email@example.com>
john jardine wrote:
> "Philip Pemberton" wrote in message news:...
> > I managed to get a Tektronix 466 dual-trace analog storage scope for GBP40
> > including service manual. Came with a spare implosion guard (plastic sheet
> > that covers the CRT) and screen visor (blue thing that wraps around the
> > screen). Not a bad scope. 100MHz bandwidth IIRC, very good for
> > microcontroller applications. Overkill for analog audio, though.
> > Just proves that a good scope can be had for a relative pittance. This thing
> > knocks the stuffing out of some of the more recent Tek and HAMEG scopes.
> > They sell for about GBP350 after being refurbed. Anyone got a spare Tek
> > Option 05 (TV Sync Separator) for the 46x series scopes? I want - nay, need
> > TV sync...
> > Later.
> Picked up a Tek 100MHz 7633 at the Blackpool radio rally also for
> £40. It had a knackered timebase switch barrel which was eventually
> cured by the taste of a soldering iron bit. Have now had 2 years
> faultless use out of it.
> Yesterday I was checking out part of a mixer circuit using a
> badly decoupled 74AC86. Noticed a low level 1Vpp signal on the scope
> screen, wound the T/B to max, then even had to press the x10 button,
> to see the very clean, perfectly triggered, 205MHz!!!, sine wave
> indication of the 74' chips self oscillation. I know it's passe' for
> some of you well equipped guys out there but having always had to use
> 30MHz scopes (tops), this was a revelation!.
> I enthuse ecstatically over it now but no doubt this scope will
> probably end up where the '464 and '465 went, along with the other
> scopes and all my other superceded kit ... the council dump.
> As a kid I'd have willingly sold my soul, for some guy down the road
> to pass on his hand-me-down equipment. There's seemingly nobody out
> there anymore (NG's honourably excluded of course) that has any
> Sometimes I feel like the last dinosaur from a past age ... I need to
> get out more and party! ;-).
And stay away from the Lebrea tar pits!
Michael A. Terrell
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