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Old 2nd May 2007, 02:16 AM   #1
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Default About a Diy pc oscilloscope found on the Net

Hello

I've found this pc oscilloscope web page;

http://scopeonpc.tripod.com/adc.htm

Any one try this ADC for pc scope ?

Is there any freeware to do spectrum analysing (FFT) who would work with that PC parallel port ADC ?

Thank

Gaetan, Canada
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Old 2nd May 2007, 05:10 AM   #2
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This one looks a lot better:

http://www.fpga4fun.com/Hands-on_Flashy.html

I_F
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Old 2nd May 2007, 06:39 AM   #3
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Quote:
Originally posted by I_Forgot
This one looks a lot better:

http://www.fpga4fun.com/Hands-on_Flashy.html

I_F
Hello

No need of 100mhz, I will use the scope only for audio bandwidth.

I find that scope so much simple to built ; http://scopeonpc.tripod.com/adc.htm

But I need a software to do spectrum analysing (FFT) with that scope, since the ADC of this scope use the PC parallel port input, I can't use those spectrum analysing software who use the sound card.

Thank

Gaetan
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Old 7th May 2007, 09:54 PM   #4
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Hi

I did found two pc scope plans with higher Samples/sec rate.

http://www.geocities.com/lptscope/hw.html

http://www.volny.cz/elecon/lptoscill...loscope_m.html


Gaetan
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Old 8th May 2007, 01:30 AM   #5
percy is offline percy  United States
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Quote:
Originally posted by I_Forgot
This one looks a lot better:

http://www.fpga4fun.com/Hands-on_Flashy.html

I_F
thanks for the link. thats a great project.

if you have other links to such PC based oscilloscopes even if they are in the 10-20Mhz range please do post them, I am really interested.
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Old 8th May 2007, 05:18 AM   #6
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A 100 MHz sample rate in a digital scope will provide about 20 MHz useable BW.

An audio BW scope is so nearly useless, even for audio, that it would hardly be worth the bother to make one. Always get the most BW you can.

I_F
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Old 17th June 2007, 02:25 AM   #7
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Hi

I found a web site using a Pic for a Pc scope but I don't understand how he program it.

Here's the link;

http://www.semifluid.com/?p=24

Gaetan
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Old 17th June 2007, 02:44 AM   #8
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June, 2007 issue of "Nuts and Volts" Magazine, page 5 ad: http://www.link-instruments.com ... US$800 buckerroos ... Oh brother, wherefore art thou, Dan Kaminski
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Old 17th June 2007, 04:55 AM   #9
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For those fortunate enuff to be running a Mac... i have the older OS 9 version running on an old beige G3. Will use any I/O you have (built in or an external FW or USB box)

http://www.channld.com/mts.html

dave
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Old 17th June 2007, 12:14 PM   #10
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Holy Cow! an Apple Scope, free for the downloading! ... that's the whole software ball of wax for using just about any audio interface as an audio 'scope ... any Apple based multichannel audio input/output device would work for an easy ~50k to ~200k+ 'scope range ... from this: http://www.digitalaudio.dk/ax24.htm to this: http://www.m-audio.com/products/en_us/JamLab-main.html
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