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| GDS-3152 | GDS-3154 | GDS-3252 | GDS-3254 | GDS-3352 | GDS-3354 | |
| Vertical | ||||||
| Input Channels | 2Ch+EXT | 4Ch+EXT | 2Ch+EXT | 4Ch+EXT | 2Ch+EXT | 4Ch+EXT |
| Bandwidth | DC~150MHz（-3dB） | DC~250MHz（-3dB） | DC~350MHz（-3dB） | |||
| Rise Time | 2.3ns | 1.4ns | 1ns | |||
| Vertical Resolution | 8 bits | |||||
| Vertical Resolution@ 1MΩ | 2mV~5V/div | |||||
| Vertical Resolution@ 50/75Ω | 2mV~1V/div | |||||
| Input Coupling | AC, DC, GND | |||||
| Input Impedance | 1MΩ// 16pF | |||||
| DC Gain Accuracy | ±（3% X |reading| + 0.1div+ 1mV） | |||||
| Polarity | Normal and inverted | |||||
| Maximum Input Impedance @1MΩ | 300V （DC+AC peak）, CAT I | |||||
| Maximum Input Impedance @50/75Ω | 5 Vrms ,CAT I | |||||
| OffsetPositionRange | 2mV/div ~ 100mV/div: ±0.5V 200mV/div ~ 5V/div: ±25V | |||||
| Bandwidth Limit | 20MHz （-3dB） | 100MHz （-3dB） | 200MHz （-3dB） | |||
| Waveform Signal Processing | Addition, Subtraction, multiplication, division, FFT, FFTrms | |||||
| Trigger | ||||||
| Source | Dual channel: CH1, CH2, Line, Ext ; 4 channel: CH1, CH2, CH3, CH4, Line, Ext | |||||
| Trigger Mode | Auto （Auto （supports Roll Mode for 100 ms/div and slower）, Normal, Single | |||||
| Trigger Type | Edge, Pulse Width, Video, Runt, Rise & Fall, Alternative, Event-Delay （1~65,535） events, Time-Delay（10nS~10S）, I2C, SPI, UART | |||||
| TriggerHold-off Range | 10ns~10s | |||||
| Coupling | AC, DC, LF rej, HF rej, Noise rej | |||||
| Sensitivity | DC~50MHz approx. 1div or 1.0mV 50MHz~150MHz approx. 1.5div or 15mV 150MHz~350MHz approx. 2div or 20mV | |||||
| EXT Trigger | ||||||
| Range | ±15V | |||||
| Sensitivity | DC~150MHz pprox.100mV 150MHz~250MHz approx. 150mV 250MHz~350MHz approx. 150mV | |||||
| Input Impedance | 1MΩ±3%, ~16pF | |||||
| Horizontal | ||||||
| Range | 1ns/div~100s/div （1-2-5steps）; ROLL: 100ms/div~100s/div | |||||
| Pre-Trigger | 10div maximum | |||||
| Post-Trigger | 1,000div | |||||
| Accuracy | ±20 ppm over any ≧1 ms time interval | |||||
| Signal Acquisition System | ||||||
| Real Time Sample Rate | 2.5GSa/s | 5GSa/s | 2.5GSa/s | 5GSa/s | 5GSa/s | 5GSa/s |
| Equivalent Time Sample Rate | 100GSa/s maximum for all models | |||||
| Record Length | 25k points | |||||
| Acquisition Mode | Normal, Average, Peak Detect, High resolution, Single | |||||
| Normal: Acquire sampled values | ||||||
| Average: From 2 to 256 waveforms included in average | ||||||
| Peak Detect: Catches glitches as narrow as 2ns at all sweep speeds | ||||||
| Hi Res: Real-time boxcar averaging reduces random noise and increases vertical resolution | ||||||
| X-Y Mode | ||||||
| X-axis input | Channel 1; Channel 3 | |||||
| Y-axis input | Channel 2; Channel 4 | |||||
| Phase Shift | ±3° at 100kHz | |||||
| Cursors and Measurement | ||||||
| Cursors | Amplitude, Time, Gating available | |||||
| Automatic Measurement | 28 sets: Vpp, Vamp, Vavg, Vrms, Vhi, Vlo, Vmax, Vmin, Rise Preshoot/ Overshoot, Fall Preshoot/Overshoot, Freq, Period, Rise Time, Fall Time, Positive Width, Negative Width, Duty Cycle, Phase, eight different delay measurements （FRR, FRF, FFR, FFF, LRR, LRF, LFR, LFF） | |||||
| Cursors Measurement | ?V, ?T | |||||
| Auto Counter | 6digits, range from 2Hz minimum to the rated bandwidth | |||||
| Power Measurements （optional） | ||||||
| Power Quality Measurements | VRMS, V Crest Factor, Frequency, IRMS, I Crest Factor, True Power, Apparent Power, Reactive Power, Power Factor, Phase Angle. | |||||
| Harmonics | Freq, Mag, Mag rms, Phase, THD-F, THD-R, RMS | |||||
| Ripple Measurements | Vripple, Iripple | |||||
| In-rush Current | First peak, second peak | |||||
| Control Panel Functions | ||||||
| Autoset | Single-button, automatic setup of all channels for vertical, horizontal and trigger systems, with undo autoset | |||||
| Auto-Range | Allows users to quickly move from test point to test point without having to reset the oscilloscope for each test point | |||||
| Save Setup | 20 sets | |||||
| Save Waveform | 24 sets | |||||
| Display System | ||||||
| TFT LCD | 8" TFT LCD SVGA color display （LED backlight） | |||||
| Display Resolution | 800 horizontal × 600 vertical （SVGA） | |||||
| Interpolation | Sin（x）/x and equivalent time sampling | |||||
| Waveform Display | Dots, Vectors, Variable persistence, infinite persistence | |||||
| Display Graticule | 8 x 10 divisions | |||||
| Display Brightness | Adjustable | |||||
| Interface | ||||||
| RS-232C port | DB-9port | |||||
| USB port | 2 sets USB 2.0 high-speed host port; 1setUSB 2.0 high speed device port | |||||
| Ethernet | RJ-45 port, 10/100Mbps | |||||
| VGAVideoPort | DB-15port, SVGA monitor output | |||||
| Line Output | 3.5mm stereo output jack for Go/NoGo audio alarm | |||||
| GPIB（Optional） | USB to GPIB converter | |||||
| Go/NoGo BNC | Maximum 5V /10mA TTL open collector ouput | |||||
| Kensington Style Lock | Rear panel security slot connects to standard Kensington style lock | |||||
| Power Source | ||||||
| LineVoltageRange | AC 100V ~ 240V, 48Hz ~ 63Hz, Auto selection | |||||
| Miscellaneous | ||||||
| Multi-language Menu | Available | |||||
| On-line Help | Available | |||||
| Time clock | Time and Data ,Provide the Data/Time for saved data | |||||
| Dimensions and Weight | 400（W） x 200（H） x 130（D）, approx. 4 kg. | |||||
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