E sada kako zastititi ulaz kartice:
http://forum.allaboutcircuits....wthread.php?t=12149&page=2
http://xoscope.sourceforge.net/hardware/hardware.html
http://www.sillanumsoft.org/hardware.htm
(
http://www.sonsivri.com/forum/index.php?topic=9283.0)
E sada malo vise o poslednjoj slici.
To je skinuto sa sajta ljudi koji su napravili "Visual Analyser"
i na tom sajtu moze da se nadje zanimljiv projekat tj. hardware.
Napravili su "USB osciloskop" - iskoristili AD cip PCM2902 i
dodali mu jos to na slici kao zastitu.
(PCM2902 = stereo audio codec with USB interface, single-ended analog input/output and s/pdif)
--------
Moze neko da proba da skine
http://www.sillanumsoft.org/Download/oscillo-USBP.pdf
Ja se na dialup-u nacekao i ne mogu da otvorim.
Mozda se tu jos nesto zanimljivo krije.
Jos nesto
MAX input magnitude 200V (with 10X)
Both Audible and Visible Overrange Detection
Protection, when signal is present but no power supply
http://www.sonsivri.com/forum/index.php?topic=10964.0 (samo za clanove foruma)
http://www.virtins.com/page3.html
Multi-Instrument
RMS, dBV, dBu, dBSPL, dBA, dBB, dBC, Freq. Counter,RPM,Duty Cycle,F/V Meters,
Spectrum 3D Plot, Data Logger, LCR Meter...
[Ovu poruku je menjao PedjaZ dana 14.09.2009. u 22:15 GMT+1]