User manual

DSO-2020 USB
Appendix A: Specification
User’s Manual 57
Max. Input
Specifications Table:
Input
Max. sample rate
Real-time sampling:48MS/s
Channels 2 Channels
Bandwidth
20MHz (-3dB)
Vertical resolution 8 bits/channel
Gain range
20mV～5V/div@x1 probe(20mV,50mV,100mV,200mV,
500mV,1V,2V,5V/div 1,2,5 sequence)
200mV～50V/div@x10 probe
2V～500V/div@x100 probe
20V～5KV/div@x1000 probe
Range 8 divisions
Offset level +/-4 divisions
Coupling DC
Offset increments 0.02 div
Impedance 1M ohm
DC accuracy +/-3%
-5V～+5V(without external attenuation)
Display Mode Y-T, X-Y
Timebase
Timebase range
1ns/div～5000s/div(1,2,5 sequence)
Acquisition mode Real-time sampling.
Range 10 divisions
Buffer Size
MAX.1M samples
Trigger
Type Edge trigger: Rising edge, Falling edge
Mode Auto, Normal and Single
Autoset Yes
Range 8 divisions
Trigger level +/-4 divisions
Settabillity 0.02 div increments
Math
Measurements
Vp-p, Vmax, Vmin, Vmean, Vrms, Vamp, Vtop, Vbase,
Vmid,positive overshoot, negative overshoot, cycle mean, cycle
RMS, period, frequency, positive pulse width, negative pulse
width, rise time (10%~90%), fall time (10%~90%), positive duty
cycle, negative duty cycle
Math Addition, Subtraction, Multiplication, Division
FFT Rectangular, Hanning, Hamming, Blackman Window
Square Output