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Multi-Instrument - Oscilloscope
Sound Card Oscilloscope
Specifications

1. ADC Hardware Related Specifications

Sound Card based systems:

1) Scan Time: 100 µs~500 s (computer memory dependent).

2) Bandwidth: 10 Hz - 96 kHz (sound card dependent).

3) Maximum Allowable Input Voltage (if connected directly): about 3 V (sound card dependent).

4) Selectable sampling frequency (up to 200 kHz), sampling bit resolution (8, 16 or 24 bits) and sampling channels (one or two) (sound card dependent)

5) Four trigger modes: Auto, Normal, Single and Slow.

6) Support triggering by rising edge, falling edge, or both at a specified trigger level or for a specified amount of change, in the selected input channel.

7) Support pre-triggering and post triggering from 0 to 100% of the specified record length.

8) Continuously monitor the input signal such that no trigger event is missed before data collection

9) Support calibration of the input channels with the input gain setting automatically being taken into account. Re-calibration is not necessary even if the gain setting changes.

Non Sound Card based systems:

Please refer to the respective hardware manual.

2. Can be used as a transient signal recorder to capture and store data continuously into the hard disk for up to 2 gigabytes.

3. Five view types: Real time waveform of Channel A and Channel B, Real time waveform of Channel A + Channel B, Real time waveform of Channel A - Channel B, Real time waveform of Channel A × Channel B, Real time Lissajous Pattern for Channel A and Channel B.

4. Independent X axis and Y axis zooming and scrolling.

5. WAV files and properly formatted TXT files can be imported for display and analysis.

6. Collected measurement data can be saved as WAV files or exported as TXT files.

7. Data curve can be printed out directly or saved as BMP files.

8. Support adding notes to the measurement data.

9. Fast display refresh rate: about 50 frames per second (tested with a sound card under Windows XP SP2 on IBM ThinkPad R51 Laptop PC with Intel Pentium M processor 1.60 GHz, with scan time=10 ms and FFT size=1024 and both the Oscilloscope and the Spectrum Analyzer running under "Auto" trigger mode). Thus data are displayed and analyzed in "true" real time.

10. The colors of display, font size, screen refresh rate are configurable.

11. Number of points to be collected per scan can be fine tuned at one point's resolution.

12. Display the Maximum, Minimum, Mean, RMS values of the data per scan. Therefore it can be used as a voltmeter.

13. Support one cursor reader and two markers which stick to the measurement data.

14. Five chart types: Line, Scatter, Column, Bar, and Step. Line width is adjustable.

15. Support combining data from individual channels of different wave files and extracting part of data from a wave file.

16. Support normal and inverted display of a waveform.

17. Up to five reference curves can be set for each channel. The reference curve can be configured by either copying the current curve, or loading a properly formatted text file or a previously saved reference file from the hard disk.

18. Support digital filtering such as low pass, high pass, band pass, band stop and arbitrary. The filter class can be FFT, FIR or IIR.

19. Support loading long WAV file frame by frame, either manually or automatically.

20. Each frame of data is time stamped with accuracy in minisecond.

21. The data in the graph can be copied into the clipboard as text and later paste into other software such as Microsoft Excel for further analysis. The image of the graph can be copied into the clipboard as Bitmap image and later paste into other software such as Microsoft Word.

22. The waveform displayed in the Oscilloscope can be played or cyclically played via the default computer sound card, if the sampling rate and bit resolution of the waveform is compatible with the sound card.

23. The screen display can also work in “Roll” mode.

24. Support waveform conversion between acceleration, velocity and displacement.

25. Support engineering unit conversion.

26. Support auto setting of sampling parameters such as sampling frequency, scan time and full-scale ADC range.

27. Support digital persistence (phosphorescent, rainbow) mode and equivalent time sampling mode.

28. Support mixed signal (analog and digital) display.

29. Supports Multilingual User Interface under Windows 2000, XP, 2003, Vista, 7,8 and above. Currently supported languages are English, French, German, Italian, Portuguese, Spanish, Russian, Simplified Chinese, Traditional Chinese, Japanese and Korean.


Examples

USB Oscilloscope Sine and Square
Sine and square waves

USB Oscilloscope Persistence Phosphorescent
50MHz sinewave sampled at 200MHz with Oscilloscope in persistence mode

USB Oscilloscope Persistence Frequency Sweep
 Frequency sweep captured under oscilloscope persistence mode

USB Oscilloscope Persistence Amplitude Sweep Sine
Amplitude sweep (sine) captured under oscilloscope persistence mode

USB Oscilloscope Persistence Amplitude Sweep Square
Amplitude sweep (square) captured under oscilloscope persistence mode

USB Oscilloscope Amplitude Modulation
Amplitude Modulation measurement

USB Oscilloscope Frequency Modulation
Frequency Modulation measurement

USB Oscilloscope Lissajous Pattern
Lissajous Pattern

USB Oscilloscope PAL
PAL signal measurement



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