PC oscilloscope for Linux
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From: Kari Laine on 28 Feb 2010 10:10 Hi, is there any PC Oscilloscope for which there exist Linux software under BSD or GPL or similar license? Naturally if the hardware (FPGA) is documented at circuit level - even better - witch I doubt. I am even open for self construction kits if they are well documented and working. They should use Xilinx FPGA though, for which there are free entry level tools. Then I must say that Daqarta is very nice product. I have been playing with it now and I am going to order it by the end of March. Any users of it know what kind of circuit I could use for the output to have more current and voltage available, than the sound card can provide? - op-amp ? - transistor ? I don't mind receiving direct mail. Best Regards Kari -- PIC - ARM - DISPLAYS - RELAYS - MODULES - CONVERTERS - I2C - SPI - KEYPADS - ACCESSORIES http://www.byvac.com (I am just a satisfied customer)
From: Bob Masta on 28 Feb 2010 08:48 On Sun, 28 Feb 2010 17:10:47 +0200, Kari Laine <klaine8(a)gmail.com> wrote: >Hi, > >is there any PC Oscilloscope for which there exist Linux software under >BSD or GPL or similar license? > >Naturally if the hardware (FPGA) is documented at circuit level - even >better - witch I doubt. > >I am even open for self construction kits if they are well documented >and working. They should use Xilinx FPGA though, for which there are >free entry level tools. > >Then I must say that Daqarta is very nice product. I have been playing >with it now and I am going to order it by the end of March. >Any users of it know what kind of circuit I could use for the output to >have more current and voltage available, than the sound card can provide? > >- op-amp ? >- transistor ? Thank you for the kind words about Daqarta. In the past, I've had users tell me that it runs OK under Wine, but I have never gotten into Linux myself. As far as output boosting, you can use any audio power amp, from a single chip on up to a rack-mount monster. I have one client whose research required long-duration high-level band-limited noise exposures. I set her up with dual "1000 watt" pro-level amps. (Probably putting out more like 100 watts continuous here.) Best regards, Bob Masta DAQARTA v5.10 Data AcQuisition And Real-Time Analysis www.daqarta.com Scope, Spectrum, Spectrogram, Sound Level Meter Frequency Counter, FREE Signal Generator Pitch Track, Pitch-to-MIDI DaqMusic - FREE MUSIC, Forever! (Some assembly required) Science (and fun!) with your sound card!
From: Rich Webb on 28 Feb 2010 08:55
On Sun, 28 Feb 2010 17:10:47 +0200, Kari Laine <klaine8(a)gmail.com> wrote: >Hi, > >is there any PC Oscilloscope for which there exist Linux software under >BSD or GPL or similar license? > >Naturally if the hardware (FPGA) is documented at circuit level - even >better - witch I doubt. > >I am even open for self construction kits if they are well documented >and working. They should use Xilinx FPGA though, for which there are >free entry level tools. There's http://www.knjn.com/Flashy.html which can be paired with any of their FPGA dev boards http://www.knjn.com/FPGA-FX2.html. Source is included for basic setup and data capture. Don't know how hard it would be to migrate it to Linux and gui-ize it. -- Rich Webb Norfolk, VA |