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GW Instek GDS-3154 - 150 MHz, 4CH Digital Storage Oscilloscope

150 MHz, 4CH Digital Storage Oscilloscope

GW Instek

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Category : Digital Oscilloscopes

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A Hi-tech DSO Platform

The GDS-3000 Series is a new platform of 4-input channels, 500MHz bandwidth, 5GSa/s sampling rate, and VPO waveform display. The split screen feature has been designed to meet the requirements of multi-window & multi-signal tests in the research and the manufacturing fields. The optional power analysis software and the optional serial bus analysis software are available to facilitate the engineer's tasks in testing and manufacturing of the associated products.

Three new differential probes, GDP-025, GDP-050 & GDP-100, and two new current probes, GCP-005 ,GCP-020 ,GCP-100 and GCP-530 & GCP-1030, are coming along with the GDS-3000 Series to provide total solutions for a wide variety of applications in the industry, service and education market sectors. The GDS-3000 Series, a high-tech platform carrying thoughtful features, brings very high customer value to both general purpose market and professional market.


  • 500/350/250/150MHz with 2/4 Channels
  • 5GSa/s RT or 100GSa/s ET Sampling Rate
  • Independent Memory for Each Channel 
  • VPO Technology 
  • Large 8-inch 800x600 Display 
  • Split Screen Function 
  • 3 Built-in Impedances (50Ω/75Ω/1MΩ)
  • Power Analysis Software (Optional)
  • Serial Bus Analysis Software for I2C, SPI and UART (Optional)

  GDS-3152 GDS-3154 GDS-3252 GDS-3254 GDS-3352 GDS-3354 GDS-3502 GDS-3504
Input Channels 2Ch+EXT 4Ch+EXT 2Ch+EXT 4Ch+EXT 2Ch+EXT 4Ch+EXT 2Ch+EXT 4Ch+EXT
Bandwidth DC~150MHz(-3dB) DC~250MHz(-3dB) DC~350MHz(-3dB) DC~500MHz(-3dB)
Rise Time 2.3ns 1.4ns 1ns 700ps
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// 15pF  
DC Gain Accuracy ±(3% X |Readout| + 0.1div + 1mV)
Polarity Normal, Invert
Maximum Input Voltage @1MΩ 300V (DC+AC Peak), CAT I
Maximum Input Voltage @50/75Ω 5 VRMS max, CAT I
Offset Position Range  2mV/div ~ 100mV/div : ±0.5V ;200mV/div ~ 5V/div : ±25V
Bandwidth Limit GDS-3152/3154:20MHz
GDS-3252/3254: 20MHz/100MHz (-3dB) GDS-3352/3354: 20MHz/100MHz/
200MHz  (-3dB)
GDS-3502/3504: 20MHz/ 100MHz/ 200MHz/ 350MHz (-3dB)
Waveform Signal Process Add, subtract, multiply, and divide waveforms, FFT, FFTrms
  FFT: Spectral magnitude.
Set FFT Vertical Scale to Linear RMS or dBV RMS, and FFT Window to Rectangular, Hamming, Hanning or Blackman-Harris.
Source 2 CH model: CH1, CH2, Line, EXT
4 CH model: CH1, CH2, CH3, CH4, Line, EXT
Trigger Mode Auto (supports Roll Mode for 100 ms/div and slower), Normal, Single 
Trigger Type Edge, Pulse Width, Video, Runt, Rise & Fall, Alternate, Event-Delay(1~65,535 events), 
I²C, SPI, UART(optional)
  Runt: Trigger on a pulse that crosses one threshold but fails to cross a second threshold before crossing the first again.
  I²C (optional)
Trigger on Start, Repeated Start, Stop, Missing ACK, Address (7 or 10 bit), Data, or Address and Data on I²C buses 
  SPI (optional)
Trigger on SS, MOSI, MISO, or MOSI and MISO on SPI buses 
  UART (optional)
Trigger on Tx Start Bit, Rx Start Bit, Tx End of Packet, Rx End of Packet, Tx Data, Rx Data, Tx Parity Error, and Rx Parity Error
Trigger Holdoff Range  10ns~10s
Coupling AC, DC, LF rej., Hf rej., Noise rej.
Sensitivity DC ~ 50MHz Approx. 1div or 10mV
50MHz ~ 350MHz Approx. 1.5div or 15mV
EXT Trigger  
Range ±15V
Sensitivity DC ~ 150MHz  Approx. 100mV ;150MHz ~ 250MHz  Approx. 150mV 
250MHz ~ 350MHz  Approx. 150mV ;350MHz ~ 500MHz  Approx. 200mV 
Input Impedance 1MΩ±3%, ~16pF
Range 1ns/div ~ 100s/div (1-2-5 increments;GDS-3502/3504:1-2.5-5 increments); ROLL : 100ms/div ~ 100s/div
Pre-trigger 10 div maximum
Post-trigger 1,000 div
Accuracy ±20 ppm over any ≧1 ms time interval
X-Y Mode  
X-Axis Input Channel 1; Channel 3
Y-Axis Input Channel 2; Channel 4
Phase Shift ±3° at 100kHz 
Signal Acquisition  
Real Time Sample Rate 2.5GSa/s 5GSa/s 2.5GSa/s 5GSa/s 5GSa/s 5GSa/s 4GSa/s 4GSa/s
ET Sample Rate 100GSa/s maximum for all models
Record Length 25k points/ channel
Acquisition Mode Normal, Average, Peak detect, High resolution, Single
  Normal: Acquire sampled values.
  Average: From 2 ~256 waveforms included in average.
  Peak Detect: Captures glitches as narrow as 2 ns at all sweep speeds
  Hi Res: Real-time boxcar averaging reduces random noise and increases vertical resolution.
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 angle, and eight different delay measurements (FRR, FRF, FFR, FFF, LRR, LRF, LFR, LFF)
Cursors measurement Voltage difference between cursors ( ∆V) Time difference between cursors ( ∆T)
Auto counter 6 digits, range from 2Hz minimum to the rated bandwidth
Power Measurements (option)  
Power Quality VRMS, VCrest Factor, Frequency, IRMS, ICrest Factor, True
Measurements Power, Apparent power, Reactive power, Power factor, Phase angle.
Harmonics Freq, Mag, Mag rms, Phase, THD-F, THD-R, RMS
Ripple Measurements V ripple ,I ripple 
In-rush current First peak, Second peak
Control Panel Function   
Autoset Single-button, automatic setup of all channels for vertical, horizontal and trigger systems, with undo autoset
Auto-Range Allow users to quickly move from test point to test point without having to reset the oscilloscope for each test point
Save Setup 20 set
Save Waveform 24 set
Display System  
TFT LCD Type 8 TFT LCD SVGA color display
Display Resolution 800 horizontal × 600 vertical pixels (SVGA)
Interpolation Sin(x)/x & Equivalent time sampling
Waveform Display Dots, vectors, variable persistence, infinite persistence
Display Graticule 8 x 10 divisions
Display Brightness Adjustable
RS-232C DB-9 male connector
USB Port  2 sets USB 2.0 High-speed host port ; 1 set USB High-speed 2.0 device port 
Ethernet Port  RJ-45 connector, 10/100Mbps
SVGA Video Port  DB-15 female connector, monitor output for display on SVGA monitors
GPIB GPIB to USB Adapter (GUG-001 Option)
Go/NoGo BNC 5V Max/10mA TTL Open collector output
Internal flash disk 64MB
Kensington Style Lock Rear-panel security slot connects to standard Kensington-style lock.
Line output 3.5mm stereo jack for Go/NoGo audio alarm
Power Source  
Line Voltage range AC 100V ~ 240V, 48Hz ~ 63Hz, Auto selection
Multi-language menu Available
On-line help Available
Time clock Time and Data, Provide the Data/Time for saved data
Dimensions & Weight 400(W) X 200(H) X 130(D)mm, approx 4 kg

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