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MODEL : GDS-820C,GDS-820S MODEL : GDS-840C,GDS-840S Digital Storage Oscilloscope
150MHz / 250MHz COLOR / MONO
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| SPECIFICATIONS | ||||
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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 |
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| BW Limit |
20MHz(-3dB) |
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| HORIZONTAL SYSTEM | ||||
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Time Base Range |
1ns/div~10s/div |
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Time Base Mode |
MAIN, WINDOWS, WINDOW ZOOM, ROLL,X-Y |
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Time Base Accuracy |
±0.01% |
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Delay Range |
Pre-Trigger : 20 DIV 최대값 ; Post-Trigger : 1000 DIV |
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| SIGNAL ACQUISITION SYSTEM | ||||
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Real-Time Sample Rate |
100MS/s maximum on each channel |
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Equivalent Sample Rate |
25GSa/s E.T maximum on each channel |
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Record Length |
125K/CH |
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Peak Detection |
10ns |
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Acquisition Mode |
Sample, Peak Detect, Average |
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Average |
2, 4, 8, 16,ㆍㆍㆍㆍ256 |
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| TRIGGER | ||||
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Trigger Source |
CH1, CH2, LINE, EXT. |
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Mode |
AUTO-LEVEL, AUTO, NORMAL, SINGLE, TV, TIME-DELAY, EVENT-DELAY, Edge, Pulse Width |
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Coupling |
AC, DC, LF, HF, Noise Reject |
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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 |
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| X - Y MODE | ||||
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X-Axis Input / Y-Axis Input |
CH1/CH2 |
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Phase Shift |
± 3° at 100KHz |
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| CURSOR & MEASUREMENT | ||||
| Auto Voltage Measurement |
Vpp, AVamp, AVavg, AVrms, AVhi, AVlo, AVmax, AVmin Freq, Period, rise Time, Fall Time, Positive Width |
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| 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) |
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| FREQUENCY COUNTER | ||||
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Readout Resolution |
6 digits |
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Accuracy |
±50ppm(all frequency reference errors are included)& 1count errors |
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Frequency Range |
AC Coupled, 10Hz minimum to rated bandwidth |
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Signal Soure |
All available trigger source except the Pulse Width& VideoTrigger Mode |
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| EXTERNAL TRIGGER | ||||
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Range |
±15V |
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Sensitivity |
DC~30MHz : ~50mV ;30MHz~150MHz : ~100mV |
DC~30MHz :~50㎷ ;30MHz~150MHz :~100㎷ 25MHz~250MHz :~150㎷ |
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Input Impedance |
1㏁ ±2%, ~ 22pF |
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Maximum Input |
300V CATⅡ(DC+AC peak) |
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| CONTROL PANEL FUNCTION | ||||
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Autoset |
"Autoset" can adjust vertical (Volt/div), horizontal (Sec/div)and Trigger level automatically |
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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 |
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| INTERFACE | ||||
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RS-232C GPIB Printer Port USB |
Standard Option Standard Standard |
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| Standard Accessories | power cord 1ea, manual , probes(10:1, 1:1) | |||
| DIMENSIONS & WEIGHT | 310(W)x142(H)x245(D)mm ; Approx. 4.1㎏ | |||
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