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System software, User Manuals, and App Notes for free download
The software distributions are complete and are the most recent versions
The last column contains the file size in bytes


Product Software  (links to tables of interest below)
    USBxCH 24 bit 4 chan A/D
    PARxCH/GPS 24 bit 1/4/8 chan A/D with GPS
    SER1CH-UA low power RS232 serial A/D
    VREF-399 precision voltage reference
    Legacy PAR24B, DSPA64/HLF, DSP32C, Old software

Documents
    Product Flyers
    User Manuals
    App Notes and Papers
    Miscellaneous


What's new as of ...

    2010/10/05 PARxCH and USB4CH Linux versions now Fedora 13 (kernel 2.6.33)
    2010/09/20 Multi USB4CH support, Pak2Asc CSV output
    2010/04/01 Earthworm 7.4 support added to product Extras
    2009/11/10 USB4CH introduced with DVM/Scope/Blast software

To download from ...
    Microsoft Internet Explorer, right click and select Save Target As...
    Mozilla Firefox, right click and select Save Link As...


System Software

USBxCH 24 bit A/D's with GPS Timing
Category Description Rev File # bytes
Product Flyer USBxCH 2012/01/01 flyusbxch.pdf 154,885
User Manual USBxCH 2010/05/31 manusbxch.pdf 1,599,161
System Software Windows XP/7 2010/10/05 usbwin.zip 13,381,496
System Software Linux 2.6.33.3-85.fc13.i686.PAE (Fedora 13) 2010/10/05 usblnx.tar 8,560,640
Note: USB4CH system software includes drivers, USBxCH apps, and utilities.


PARxCH 24 bit A/D's with GPS Timing
Category Description Rev File # bytes
Product Flyer PARxCH
PARGPS
2012/01/06
2012/01/04
flyparxch.pdf
flypargps.pdf
48,672
48,027
User Manual PARxCH
PARGPS
2007/02/01
2007/12/09
manparxch.pdf
manpargps.pdf
83,874
38,891
System Software Windows 2K/XP 2010/10/05 parwin.zip 8,620,816
System Software Linux 2.6.33.3-85.fc13.i686.PAE (Fedora 13) 2010/10/05 parlnx.tar 6,164,480
System Software DOS (no GPS support) 2010/10/05 pardos.zip 1,493,256
Note: The same software and driver works for PAR1CH, PAR4CH, PAR8CH. Utilities and PARxCH apps are included.


SER1CH-UA 24 bit low power A/D
Category Description Rev File # bytes
Product Flyer SER1CH-UA specs 2012/01/01 flyser1chua.pdf 151,643
User Manual SER1CH-UA 2007/11/24 manser1chua.pdf 1,064,233
System Software Windows XP/7 2008/12/10 serwin.zip 2,542,266
System Software Linux 2.6.21-1.3194.fc7 (Fedora 7) 2008/12/10 serlnx.tar 1,454,080
Note: The same software works for SER1CH-UA -BANA, -DSUB, -1in. Utilities and SER1CH-UA apps are included.


VREF-399 Test Instrument
Category Description Rev File # bytes
Product Flyer Precision voltage reference 2012/01/01 flyvref399.pdf 103,175
User Manual VREF-399 2010/01/15 manvref399.pdf 678,437
Note: No software is required for the VREF-399. It is a standalone system.


Documents

Product Flyers
Product Description Rev File # bytes
USBxCH A/D 24 bit, 4 chan, USB 2012/01/01 flyusbxch.pdf 154,885
SER1CH-UA A/D 24 bit, 1 chan, RS232 serial 2012/01/01 flyser1chua.pdf 151,643
VREF-399 VREF-399 precision voltage reference 2012/01/01 flyvref399.pdf 103,175
PARxCH A/D 24 bit, 1/4/8 chan, parallel 2012/01/06 flyparxch.pdf 48,672
PARGPS GPS timing for PARxCH 2012/01/04 flypargps.pdf 48,027
AMP4CH-DF Amplifier for PARxCH 2012/01/05 flyamp4chdf.pdf 47,729


User Manuals
Product Description Rev File # bytes
USBxCH A/D, 24 bit, 4 chan, USB 2010/05/31 manusbxch.pdf 1,599,161
SER1CH-UA A/D, 24 bit, 1 chan, RS232 serial 2007/11/24 manser1chua.pdf 1,064,233
VREF-399 Precision voltage reference 2010/01/15 manvref399.pdf 678,437
PARxCH A/D, 24 bit, 1/4/8 chan, parallel 2007/02/01 manparxch.pdf 83,874
PARGPS GPS timing module 2007/12/09 manpargps.pdf 38,891
Note: User Manuals are complete except for circuit diagrams (included only with product purchase).


App Notes and Papers
Category Description Rev File # bytes
App Note Precision sine waves with the DSP32C 1998/01/01 appsine32c.pdf 86,365
Utility Generic FFT routines in C 1998/09/28 fft.zip 80,805
Utility Digital output with the PC parallel port 1998/04/23 setport.zip 9,360
         
Paper Scaling and Biasing Analog Signals 2007/11/24 scalebias.pdf 361,490


Miscellaneous
Product Description Rev File # bytes
Seismic Unix SR OUT/DAT to SU format (Linux) 2.0 sr2su.tgz 80,976
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