GAO2090 USB PC Based Oscilloscope - Characteristic: • USB2.0 interface, no external power source required, easy to use. • be suitable for notebook computer-product line maintenance. • Dimensions (mm):190(L) x100(W) x35(H), be carried easily. • High performance, 100MS/s real-time sampling, 40MHz Bandwidth. • Operating System: Windows98,Windows Me, Windows NT, Windows 2000, Windows XP , VISTA • 23 measurement functions, PASS/FAIL Check, suitable for technical application. • Waveform average, persistence, intensity, invert, addition, subtraction, multiplication, division, X-Y plot. • Save waveform in the following: text file, jpg/bmp graphic file, MS excel/word file. • FFT • One computer can connect many DSO, extend channel easily. • LabviewVBVCDelphiC++Build Second Design instance. • GAO2090 USB PC Based Oscilloscope - Hardware Specifications: Channel 2 Channels Impedance 1MΩ 25pF Coupling AC/DC/GND Vertical resolution 8Bit Gain range 10mV-5V, 9Steps DC accuracy ±3% Timebase range 4ns-1h, 38 Steps Vertical adjustable Yes Input protection Diode clamping X-Y Yes Autoset Yes (30Hz to 40MHz) EXT. input DC -40MHz Trigger Mode Auto, Normal and Single Trigger Slope +/- Trigger level adjustable Yes Trigger Type Rising edge, falling edge Trigger Source CH1, CH2, EXT Pre/Post trigger 0-100% Buffer size 10K-32KB/Channel Shot bandwidth DC to 40MHz Max. Sample rate 100MS/s Sampling selection Yes Waveform Display port/line, waveform average, persistence, intensity Network Open/Close Vertical mode CH1, CH2, Dual, ADD Cursor measurement Yes Spectrum analyzer Channel 2 Channels Math FFT, addition, subtraction, multiplication, division. Bandwidth 40MHz If the product specification doesn’t meet your requirement, please contact us .About GAO TEK Inc. GAO Tek Inc. is a leading provider of test and measurement equipment, embedded development tools, telecommunication testers, electronic measurement instruments, video surveillance, alarm and other electronic products that serve the needs of electronic professionals internationally.