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From: Chuck Simmons
Organization: You jest.
X-Mailer: Mozilla 4.61 [en] (X11; U; Linux 2.0.33 i586)
Subject: Re: How to build your own Oscilloscope?
References: <0vcj9.172680$Jo.55878@rwcrnsc53> <firstname.lastname@example.org>
Date: Mon, 23 Sep 2002 01:45:55 GMT
NNTP-Posting-Date: Sun, 22 Sep 2002 18:45:55 PDT
Jim Yanik wrote:
> "laurence cope" wrote in
> > thats easy
> > if it's for audio a 20mhz dual beam analogue scope will do.
> > if it's for rf then a 300mhz scope will fit the bill.
> > if it's for digital signals or intermittent signal capture then it's
> > got to be a digital the more the sample rate the better.
> > I use a tektronix 2211 it's the best of both worlds it has a fairly
> > high sample rate and a medium wide bandwidth, it's both analogue and
> > digital on a crt and not tft.
> > Best of all it only cost =A3300.
> > I have also the latest digital 4 channel tek scope mega high sample
> > rate, tft, floppy drive, printer port, ethernet and serial comms, all=
> > the biz, it's on loan however.
> > Give me the 2211 anyday, it's far easier to drive, with the new tek i=
> > took ages to get round all the buttons.
> > L
> > "The little lost angel" wrote=
> > in message news:email@example.com...
> >> On 22 Sep 2002 11:20:19 -0700, firstname.lastname@example.org (Glenn Gundlach)
> >> wrote:
> >> >Just looked at eBay. Tek 475 dc-250 mHz less than $100. If you have=
> >> >a computer, I bet you can afford $100. Tek 3012 DPO starts at $3000=
> >> sorry to butt in but how does a newbie know if the oscope is working=
> >> or not? I want to get a scope but know next to nothing about chosing=
> >> one :D
> There's a difference between "dual-beam" and dual-TRACE o'scopes.
> A dual-BEAM scope has two separate electron guns generation 2 beams,and=
> each beam has it's own V deflection plates,sharing the H-deflection.
> A dual-TRACE scope chops or alternates between channels,displaying on t=
> SAME beam.
> dual-beam scopes are fairly rare. TEK 7844 was a dual beam scope.
> Jim Yanik,NRA member
> remove X to contact me
You forget the venerable 602?
... The times have been, =
That, when the brains were out, =
the man would die. ... Macbeth =
Chuck Simmons email@example.com
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