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With Aluminum Black Case, ARM DSO203 Nano V2 / Quad Pocket Digital Oscillo​scope  487-2306-8482

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Product Details

ARM DSO203 Quad Pocket 4 channel Digital Oscillo​scope with Grey Aluminum Case


DSO203 is a pocket size 4 channel digital oscilloscope for common electronic engineering tasks. It's based on ARM cortex M3 (STM32VCT6), providing 72MS/s sampling rate with integrated FPGA and high speed ADC. Internal 2MB USB disk could be used to store waveform, user application and upgrade firmware.

1) 2 probe connectors
2) 4 inputs & 4 tracks (2 analog 2 digital)
3) A custom waveform output (including the built-in sine, square, triangle)
4) Built-in 2M USB disk
5) Very low power consumption

6)3" 240 × 400 widescreen color TFT LCD screen, STM32 is the master MCU, with the FPGA to implement the control and management of external ADC and data cache.
7)Analog channel circuit using unity gain> 150MHz op amp, so the actual 30MHz analog bandwidth is expected to do more.
8)36M+36M sampling frequency, the use of the ADC AD9288-40 chip, single-channel maximum sampling frequency of the 72M.
9)FIFO RAM has a maximum operating frequency of use of> 200MHz low-power FPGA to achieve.
10)The AD9288-40 Overclocking to achieve 72M+72M sampling frequency, so that the maximum single-channel sampling rate up to 144M.
11)As low power, low-cost, QFP package and other conditions of the FPGA, storage capacity is not large, so DSO203 sampling depth of the current situation for the multi-channel 4096 points per channel, single-channel work cases, 8192 points.
12)At the same time to reduce the size and easy to DIY manual welding, MCU and the FPGA are selected QFP100 package, ADC selected QFP48 package





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 probe 

Vertical resolution 

8 bit 

Input coupling 


Max input voltage 

80Vpp (x1 probe) / 400Vpp (x10 probe) 


4K per channel / 8K on single channel 

Software trigger type 

edge, pulse, level (to be added) 

Hardware trigger type 


Trigger source 


Trigger mode 

Auto, Normal, Single, SCAN, None 

Test Signal generater 

10Hz to 8Mhz 2.8Vpp Square Wave, duty circle 10~90% adjustable / 10Hz to 20Khz 2.8Vpp Sin, Square, Saw, Triangle wave 


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 


Lipo battery 


98 * 60 * 14.5 (mm) 


80g (without battery) 

Accessories within Pack 

2 mcx osilloscope probe

Package Includes:

- ARM Digital Oscilloscope (DSO203) (Including Battery)  × 1
- ×1/×10Probe  × 2

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