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  • hexawing Tuesday, June 14, 2011 1:33 AM Reply

    * Pocket size and light weight
    * Two 72Mhz analog channels and two digital channels
    * Signal Generator
    * Auto Measurement
    * Various Triggering Option
    * Easy waveform storage
    * Firmware upgrade
    * User application


    Analog channel * 2 [CH_A] [CH_B]
    Digital channel * 2 [CH_C] [CH_D]
    Vertical Scale 20mV-10V/div (1-2-5 step) on x1 probe / 200mV -100V/div (1-2-5 step) on x10 probe
    Vertical resolution 8 bit
    Input coupling AC/DC
    Max input voltage 80Vpp (x1 probe) / 400Vpp (x10 probe)
    Storage 4K per channel / 8K on single channel
    Software trigger type edge, pulse, level (to be added)
    Hardware trigger type edge
    Trigger source CH1/CH2/EXT
    Trigger mode Auto, Normal, Single, SCAN, None
    Test Signal generator 0Hz to 8Mhz 2.8Vpp Square Wave, duty circle 10~90% adjustable / 10Hz to 20Khz 2.8Vpp Sin, Square, Saw, Triangle wave
    Storage: internal 2MB USB disk, BMP, DAT file
    Auto measure Vmax, Vmin, Vpp, Vavr, Vrms, Freq, Period, Pulse, Duty
    Cursor measurement Level, Voltage
    Display mode CH1, CH2, EXT, CH1+CH2, CH1-CH2, CH1*CH2
    Sampling mode real time
    Sampling rate 30S/s – 72MS/s
    Power Lipo battery
    Dimension 98 * 60 * 14.5 (mm)
    Weight 80g (without battery)
    Accesories within Pack 2 mcx osilloscope probe, 2 mcx digital probe
    Posts(18) | Reviews | Tip post

  • inielsen Tuesday, June 14, 2011 2:38 AM Reply
    ... That seems to be the specs of the DSO Quad? Which cost slightly more. While I agree it looks extremely similar on the outside (almost identical price), are you sure they are 100% compatible on the inside?

    Because the DSO can be firmware upgraded. Afaik they significantly boosted the specs by an optimizing firmware upgrade.

    My point is; I would value the ability to do firmware upgrades much more than saving some money.
    Posts(22) | Reviews | Tip post

  • ATN22 Friday, July 1, 2011 11:48 AM Reply
    According to a lot of research I did, DSO Quad, DS-203 and DSO203 are all the same hardware ... the manufacturer only sell one product of this type. The names variation depends on the seller... maybe the name is related to the software version.

    Since DX sells it at the lowest price I have found, I bough one ... It is upgradable using DSO QUAD system ver.1.50 and APP ver.2.50, so I gues there really is no difference between the brands.
    Posts(6) | Reviews | Tip post

    post edited by ATN22 on 8/2/2011 at 8:31 AM
  • Sergunoid Thursday, October 27, 2011 8:30 AM Reply
    A questions to subject owners:
    do they (developers) solved measure range problem? As stated here: http://www.seeedstudio.com/wiki/index.php?title=DSO_Quad

    Measurement voltage from 0.2~10V. - Pending for a opt-coupler. So, settings less than 0.2V/Div are not accessable? Or did they fix it? What are real V ranges for this device?
    Posts(19) | Reviews | Tip post

  • KluviM Wednesday, December 3, 2014 3:47 AM Reply
    What is the sampling rate for digital(binary) inputs ? (B+C?)
    Analog inputs (A+B) have 72MS/s each or together?
    And what is comparator level for binary?
    Posts(21) | Reviews | Tip post

    post edited by KluviM on 12/3/2014 at 3:50 AM
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