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數(shù)字示波器

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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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