> I think you're talking about the Vellemann "pocket" oscilloscopes (you
have to wear the special trousers! :-)

yep -- so those are not worth the money -- are they scopes at all or just
toys? :-)

> I'm pretty sure you do get a probe with the 10MHz version, and it doesn't
have an RS232 interface, so there's not much point in
> supplying a cable (or was that what you meant - the lack of the
interface?)

both, I meant it does not do the same as the 'proper' 40MHz one, as a
digital scope espected to be able to extract the data it captured -- maybe I
am just too optimistic :-)

> You get a soft case I believe.  As a matter of interest, do you know what
the 40MHz version's RS232 interface does?  Maplin's
> information barely mentions it, so I wonder how much use it is.

I thought you can use your PC as a store, so you can analyze the signals
(and the logic) in a 'long tape' format. Currently I am using my sound card
as a 2ch analog input for 'scope' (record the signal to WAV and see it using
a WAV editor -- quite handy actually, but limitad bandwidth). Anyway, what
is that RS232 interface for?

BTW: I was just thinking on this (but has to time to build or lot of money
to buy)
http://www.bitscope.com/design/

Tamas



On 06/09/06, Howard Winter <HDRW@h2org.demon.co.uk> wrote:
>
> Tama,
>
> On Tue, 5 Sep 2006 12:42:13 +0100, Tamas Rudnai wrote:
>
> > Some retailer says that if you use other type of cable then you loose
> the
> > warranty. I do not like tricks like that. Like in Maplin there are two
> LCD
> > o'scopes, one of them is 10MHz, the other one is 40MHz, but it turns out
> > that 10MHz means 10MHz sampling so you can measure 2MHz only. That was
> the
> > first shock, the other one was that the price of the 10MHz was quite ok,
> but
> > they do not provide couple of things (probes, case, rs232 etc) with the
> > device as with the 40MHz one (well, 12MHz :-) ) so that if you buy all
> the
> > stuff the price is pretty much the same... Why they doing this? I'd
> rather
> > buy something more expensive but been told the exact price before my
> > decision than having the feeling that I've been set up again.
>
> I think you're talking about the Vellemann "pocket" oscilloscopes (you
> have to wear the special trousers! :-)
>
> I'm pretty sure you do get a probe with the 10MHz version, and it doesn't
> have an RS232 interface, so there's not much point in supplying a cable (or
> was that what you meant - the lack of the interface?)  You get a soft case
> I believe.  As a matter of interest, do you know what the 40MHz version's
> RS232 interface does?  Maplin's information barely mentions it, so I
> wonder how much use it is.
>
> Cheers,
>
>
> Howard Winter
> St.Albans, England
>
>
> --
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