MODEL : GDS-820C,GDS-820S

        MODEL : GDS-840C,GDS-840S

 

             Digital Storage Oscilloscope

 

 

 

 

 

150MHz  /  250MHz   COLOR / MONO

 

               

SPECIFICATIONS

 

GDS-820C

GDS-820S

GDS-840C

GDS-840S

     DISPLAY  STSTEM
Display  Device

Color (320 x 240) 5,7 inch LCD   ( GDS-820C , GDS-820S)

Mono (320 x 240) 5,7 inch LCD   ( GDS-820S , GDS-840S)

Display Contrast Adjustable
Waveform Display Graticule 8 X 10 divisions (8 x 12 div, when menu off)
Display Mode

Dot, Vector, Accumulate

     VERTICAL  SYSTEM
Bandwidth

150MHz

250MHz

Channels 1ch, 2ch
Vertical Resolution 8-bit
Vertical Sensitivity 2mV/div~5V/div
Vertical Accuracy ±3%
Rise Time

<2.3ns

<1.4ns

Input Coupling AC, DC, GND
Input Impedance 1㏁ ±2%, ~22pF
Polarity Positive & Negative
Maximum Voltage Between Signal & Common at Input BNC 300V(DC+AC peak), CATⅡ
Waveform Signal Process

Ch1+Ch2, Ch1-Ch2, FFT

Offset Range

2mV/div~50mV/div : ±0.5V ; 100mV/div~500mV/div : ±5V

1V/div~5V/div : ±50V

BW Limit

20MHz(-3dB)

     HORIZONTAL  SYSTEM

Time Base Range

1ns/div~10s/div

Time Base Mode

MAIN, WINDOWS, WINDOW ZOOM, ROLL,X-Y

Time Base Accuracy

±0.01%

Delay Range

Pre-Trigger : 20 DIV 최대값 ; Post-Trigger : 1000 DIV

     SIGNAL  ACQUISITION  SYSTEM

Real-Time Sample Rate

100MS/s maximum on each channel

Equivalent Sample Rate

25GSa/s E.T  maximum on each channel

Record Length

125K/CH

Peak Detection

10ns

Acquisition Mode

Sample, Peak Detect, Average

Average

2, 4, 8, 16,ㆍㆍㆍㆍ256

     TRIGGER

Trigger Source

CH1, CH2, LINE, EXT.

Mode

AUTO-LEVEL, AUTO, NORMAL, SINGLE, TV,

TIME-DELAY, EVENT-DELAY, Edge, Pulse Width

Coupling

AC, DC, LF, HF, Noise Reject

Sensitivity

DC~25MHz : Approx 0.35div or 3.5mV

25MHz~150MHz : Approx1.5div or 10mV

DC~25MHz : Approx 0.35div or 3.5mV

25MHz~250MHz : Approx1.5div or 10mV

      X - Y  MODE

X-Axis Input / Y-Axis Input

CH1/CH2

Phase Shift

± 3° at 100KHz

     CURSOR & MEASUREMENT
Auto Voltage Measurement

Vpp, AVamp, AVavg, AVrms, AVhi, AVlo, AVmax, AVmin

Freq, Period, rise Time, Fall Time, Positive Width

Auto Time Measurement Negative Width, Duty Cycle
Cursor Measurement

Voltage difference between cursors (ΔV)/ Time difference between cursors(ΔT)/ Frequency difference between cursors(1/ΔT)

     FREQUENCY  COUNTER

Readout Resolution

6 digits

Accuracy

±50ppm(all frequency reference errors are included)& 1count errors

Frequency Range

AC Coupled, 10Hz minimum to rated bandwidth

Signal Soure

All available trigger source except the Pulse Width& VideoTrigger Mode

     EXTERNAL  TRIGGER

Range

±15V

Sensitivity

DC~30MHz : ~50mV ;30MHz~150MHz : ~100mV

DC~30MHz :~50㎷ ;30MHz~150MHz :~100㎷

25MHz~250MHz :~150㎷

Input Impedance

1㏁ ±2%, ~ 22pF

Maximum Input

300V CATⅡ(DC+AC peak)

      CONTROL  PANEL  FUNCTION

Autoset

"Autoset" can adjust vertical (Volt/div), horizontal (Sec/div)and Trigger level automatically

Save / Recall

Up to 15 sets of measurement conditions can be saved and recalled
Waveform Trace Save/Recall

2sets of waveform can be saved and recalled

    INTERFACE

RS-232C

GPIB

Printer Port

USB

Standard

Option

Standard

Standard

Standard Accessories power cord 1ea, manual , probes(10:1, 1:1)
DIMENSIONS & WEIGHT 310(W)x142(H)x245(D)mm ; Approx. 4.1㎏