デジタル オシロスコープ SDS 200A

softDSP社のデジタル オシロスコープSDS 200Aと、その制御ソフトウェアSoftScopeの使用方法について解説します。

SDS 200A ハードウェア仕様

Input

Input  
Max. sample rate Realtime sampling: 100MS/s using one channel, 50MS/s using two channels
Equivalent sampling: 5GS/s
Channels 2
Bandwidth 200 MHz (-3dB)
Single shot bandwidth: 50MHz
20MHz bandwidth limiting function is available
Vertical resolution 9 bits/channel
Gain range 10mV ~ 10V/div @ x1 probe
(10mV, 20mV, 50mV, 100mV, 200mV, 500mV, 1V, 2V, 5V, 10V/div 1,2,5 sequence)
100mV ~ 100V/div @ x10 probe
1V ~ 1000V/div @ x100 probe
10V ~ 10kV/div @x1000 probe
Range 8 divisions
Offset level +/-4 divisions
Coupling AC, DC, GND (S/W)
Offset increments 0.02 div
Impedance 1M ohm
DC accuracy +/-3%
Input protection 42Vpk (DC + peak AC < 10 kHz, without external attenuation)
Display Mode Y-T, X-Y
※太字部分はSDS 200との差異

Timebase

Timebase  
Timebase range 2ns/div ~ 10s/div
( 2ns, 4ns, 10ns, 20ns, 40ns, 100ns, 200ns, 400ns, 1us, 2us, 4us, 10us, 20us, 40us, 100us, 200us, 400us, 1ms, 2ms, 4ms, 10ms, 20ms, 40ms, 100ms, 200ms, 400ms, 1s, 2s, 4s, 10s /div 1-2-4 sequence)
Acquisition mode Equivalent sampling: 2ns/div ~ 4us/div
Realtime sampling: 10us/div ~ 400ms/div
Roll mode: 1s/div ~ 10s/div
Peak detection
Range 10 divisions
Pre/Post trigger 0% ~ 1000%
Time resolution 200ps
Buffer size 10K ~ 512K samples
※太字部分はSDS 200との差異

Trigger

Trigger  
Type Edge trigger: Rising edge, falling edge
Logic trigger: AND, NAND, OR, NOR, XOR, XNOR
Pulse trigger: Less than width, more than width (10ns ~ 167ms)
Delay trigger: By event (1~16,777,215), by time (1us ~ 167ms)
Mode Auto, Normal and Single
HF Rejection Yes
Autoset Yes
Range 10 divisions
Trigger level +/-4 divisions
Settabillity 0.02 div increments
※太字部分はSDS 200との差異

Math

Math  
Measurements vp-p,-vmax,-vmin,-vmean,-vrms,-vamp,-vhigh,-vlow,-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-
Cursor Time/frequency difference, voltage difference
Frequency only in FFT mode
Math Addition, Subtraction, Multiplication, Division
FFT Rectangular, Hanning, Hamming, Blackman Window

Physical

Physical  
Interface Universal Serial Bus (USB)
Power No external power source required. Bus-powered from USB
Dimensions 5.1" x 4.4" x 1.5" (130 × 112 × 38mm)

参考