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'PICO oscilloscope [OT]'
1997\11\23@185454 by Peter Gee

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Hi everyone.
I am wondering if anyone on the list has had experience with the PICO range of parallel-oscilloscopes.  The product, which is about the size of a DB25 shell plugs into computer's parallel port, and has a BNC connector on it for a single channel.  Software then displays the results on the screen.
I am considering it is because it is cheaper than a CRO and takes up no bench space.



Cheers

1997\11\24@045713 by Keith Dowsett

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At 10:52 AM 11/24/97 +1100, you wrote:
>Hi everyone.
>I am wondering if anyone on the list has had experience with the PICO
range of parallel-oscilloscopes.  The product, which is about the size of a
DB25 shell plugs into computer's parallel port, and has a BNC connector on
it for a single channel.  Software then displays the results on the screen.
>I am considering it is because it is cheaper than a CRO and takes up no
bench space.

I think you'll find the bandwidth rather limiting. IIRC they run less than
1M samples per second.

Our electronics lab has recently invested in a rather nice digital 'scope.
It's got a front panel like a conventional scope but is only 4 inches
thick. We were using it to look at microsecond pulses without any problems.
They're not horribly expensive and they take up very little bench space.

I just wish I could justify buying one for myself :-(

Keith.

1997\11\24@073812 by Chris Savage

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I'm sure they're fine 'for indication purposes' as long as you're not
expecting to use it for any serious high speed work.

We use a Pico ADC-200 which is one of the more expensive jobs in a Vero
box. It's reasonable for the price and a lot less bother to get traces off
than with the Tektronix and Philips s/w I have previously used. But there's
no question the Wayne Kerr 40MS/s DSOs currently being dumped in various
outlets at £400 are streets ahead on performance.

At 10:52 24/11/97 +1100, Peter Gee wrote:
>Hi everyone.
>I am wondering if anyone on the list has had experience with the PICO
range of parallel-oscilloscopes.  The product, which is about the size of a
DB25 shell plugs into computer's parallel port, and has a BNC connector on
it for a single channel.  Software then displays the results on the screen.
>I am considering it is because it is cheaper than a CRO and takes up no
bench space.
>
>
>
>Cheers
>
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Chris Savage                    spam_OUTchrisTakeThisOuTspamcti-vision.demon.co.uk
Software Engineer               +44 385 396 993
CTIVision Ltd, Egham, UK
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1997\11\24@144443 by Leon Heller

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In message <.....01BCF8C7.248B71B0KILLspamspam@spam@pgee.chem.utas.edu.au>, Peter Gee
<Peter.GeespamKILLspamUTAS.EDU.AU> writes
>Hi everyone.
>I am wondering if anyone on the list has had experience with the PICO range of
>parallel-oscilloscopes.  The product, which is about the size of a DB25 shell
>plugs into computer's parallel port, and has a BNC connector on it for a single
>channel.  Software then displays the results on the screen.
>I am considering it is because it is cheaper than a CRO and takes up no bench
>space.

I don't have any experience of the Pico products, but they've been sold
in the UK for several years. From their adverts, they are basically a
range of ADCs, connected to the parallel port. The problem with the
cheapest unit (it costs #49 (UK)) is that it is *very* slow, compared
with a conventional 'scope. Even the more expensive ADC-100, which costs
#199, only gives a 100 kHz sampling rate, which means that it can only
display signals at up to 50 kHz. The 50 MSPS ADC 200-50, which is
equivalent to a 25 MHz 'scope, costs #499. I'd be inclined to buy a good
second-hand 'scope; I can get a 200 MHz Tek 475 for #500.

Leon
--
Leon Heller: .....leonKILLspamspam.....lfheller.demon.co.uk http://www.lfheller.demon.co.uk
Amateur Radio Callsign G1HSM    Tel: +44 (0) 118 947 1424
See http://www.lfheller.demon.co.uk/rcm.htm for details of a
low-cost reconfigurable computing module using the XC6216 FPGA

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