Model-Specific

• GDS-3502
  • Channels: 2 + Ext
  • Bandwidth: DC – 500MHz (-3dB)
  • Calculated Rise Time: 700ps

• GDS-3504
  • Channels: 4 + Ext
  • Bandwidth: DC – 500MHz (-3dB) (Note: The bandwidth of the 75Ω input impedance is limited to 150MHz only)
  • Calculated Rise Time: 700ps

Common

• Vertical
  • Resolution: 8 bit
  • Sensitivity: @1MΩ: 2mV~5V/div; @50/75Ω: 2mV~1V/div
  • Input Coupling: AC, DC, GND
  • Input Impedance: 1MΩ//15pF
  • DC Gain Accuracy: ±3% full scale
  • Polarity: Normal & Invert
  • Maximum Input Voltage: @1 MΩ: 300Vrms, CAT I; @50/75 Ω: 5 Vrms max
  • Offset Position Range: 2mV/div~100mV/div : ±0.5V; 200mV/div~5V/div : ±25V
  • Bandwidth Limit: Dependent on the oscilloscope bandwidth (BW)
    • BW=150: Full/20MHz
    • BW=250: Full/20MHz/100MHz
    • BW=350: Full/20MHz/100MHz/200MHz
    • BW=500: Full/20MHz/100MHz/200MHz/350MHz

• Trigger
  • Waveform Signal Process: Add, subtract, multiply, and divide waveforms, FFT, FFTrms, Integration*, Differentiation* (*: App installation required)
  • FFT: Spectral magnitude. Set FFT Vertical Scale to Linear RMS or dBV RMS, and FFT Window to Rectangular, Hamming, Hanning, or Blackman-Harris.
  • Sources: CH1, CH2, CH3, CH4, Line, EXT
  • Modes: Auto (supports Roll Mode for 100 ms/div and slower), Normal, Single Sequence
  • Type: Edge, Pulse Width(Glitch), Video, Pulse Runt, Rise & Fall(Slope), Alternate, Event-Delay(1~65535 events), Time-Delay(Duration) (10ns~10s), 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.
  • SPI (optional): Trigger on SS, MOSI, MISO, or MOSI and MISO on SPI buses.
  • I2C (optional): Trigger on Start, Repeated Start, Stop, Missing ACK, Address (7 or 10 bit), Data, or Address and Data on I²C 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.
  • Holdoff range: 10ns to 10s
  • Coupling: AC, DC, LF rej., HF rej., Noise rej.
  • Sensitivity:
    • GDS-31XX ~ GDS-33XX: DC~ 50MHz Approx. 1div or 10mV; 50MHz~150MHz Approx. 1.5div or 15mV; 150MHz~350MHz Approx. 2div or 20mV
    • GDS-350X: DC~ 50MHz Approx. 1div or 1.0mV; 50MHz~ 150MHz Approx. 1.5div or 15mV; 150MHz~ 350MHz Approx. 2div or 20mV; 350MHz – 500MHz Approx. 2.5div or 25mV
  • Range: ±15V
  • Sensitivity:
    • GDS-31XX GDS-33XX: DC~ 150MHz Approx. 100mV; 150MHz~ 250MHz Approx. 150mV; 250MHz~ 350MHz Approx. 150mV; 350MHz 500MHz Approx. 200mV
  • Input Impedance: 1MΩ±3%, ~16pF

• Timebase
  • Timebase Range:
    • GDS-315X, GDS-325X, GDS-335X: 1ns/div ~ 100s/div (1-2-5 increments); ROLL: 100ms/div~ 100s/div
    • GDS-350X: 1ns/div~100s/div (1-2.5-5 increments); ROLL: 100ms/div~ 100s/div
  • Pre-trigger: 10 div maximum
  • Post-trigger: 1000 div maximum. The number of divisions depends on the time division.
  • Timebase Accuracy: ≥1 ms time interval ±20 ppm over

• X-Y Mode
  • X-Axis Input: Channel 1; Channel 3
  • Y-Axis Input: Channel 2; Channel 4
  • Phase Shift: ±3° at 100kHz

• Acquisition
  • Real Time Sample Rate:
    • 150/250/350MHz models: 5GSa/s (MAX)
    • 150/250MHz models with 2CH: 2.5GSa/s
    • 500MHz models: 4GSa/s (MAX), 2GSa/s per channel
  • ET Sample Rate: 100GSa/s maximum for all models
  • Record Length: 25k points/channel
  • Mode: Normal, Average, Peak Detect, High Resolution, Single Sequence
  • Peak (Glitch) Detection: 2ns (MAX)
  • Normal: Acquire sampled values.
  • Average: From 2 to 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, and nine different delay measurements (FRR, FRF, FFR, FFF, LRR, LRF, LFR, LFF, Phase)
  • Cursors measurement: Voltage difference between cursors (ΔV), Time difference between cursors (ΔT)
  • Auto counter: 6 digits, range from 2Hz minimum to the rated bandwidth

• Power Measurements (Option)
  • Power Quality Measurements: V RMS, I RMS, True Power, Apparent Power, Reactive Power, Frequency, Power Factor, Phase Angle, V Crest Factor, I Crest Factor, (+)V Peak, (-)V Peak, (+)I Peak, (-)I Peak, DC Voltage, DC Current, Impedance, Resistance, Reactance
  • Harmonics: Frequency (Hz), Magnitude (%), Mag. RMS (A), Phase (°), Limit (A), Limit (%), Pass | Fail, Max all, Windows (A), 200% Limit, POHC Limit, THD-F, THD-R, RMS, Overall, POHC, POHL, Input Power, Power Factor, Fundamental Current, Harmonic 3, Harmonic 5
  • Ripple Measurements: Ripple, Noise, 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 you 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
  • TFT LCD Type: 8″ TFT LCD SVGA color display
  • Display Resolution: 800 horizontal x 600 vertical pixels (SVGA)
  • Waveform Interpolation: sin(x)/x Equivalent Time Sampling
  • Display Mode: YT, XY
  • Display Graticule: 8 x 10 divisions
  • Waveform Update Rate: 3,500 waveforms per second maximum

• Interface
  • RS232C: 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 (LAN): RJ-45 connector, 10/100Mbps
  • SVGA Video Port: DB-15 female connector, monitor output for display on SVGA monitors
  • GPIB: GPIB to USB adapter (Option)
  • Go-NoGo: BNC, 5V Max, 10mA CMOS 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
  • Power Consumption: 96VA
  • Miscellaneous
    Multi-language menu: Available
  • On-line help: Available
  • Time clock: Time and Date, Provide the Date/Time for saved data

• Dimensions
  • 400W x 200H x 130D, Approx. 4kg

Probe Specifications

• Model-specific Probe Specifications

• • GTP-501R
    • Applicable to: GDS-3502/GDS-3504
    • Bandwidth: DC 500MHz
    • Rise Time: 0.7ns
    • Input Capacitance: ~11.5pF @ 100MHz
    • Compensation Range: 8~20pF