User Manual

3
I Product Intro
DS203 is a 5-trace 4-channel digital oscilloscope for common electronic engineering tasks. Its CPU is
based on ARM Cortex M3, adopting FPGA to manage the control & data buffering of ADC. A built-in 2MB USB
disk enables users to store waveforms & upgrade firmware. It also provides 4 application areas, convenient for
users to load & upgrade at most 4 kinds of application firmware.
II General Safety Rules
To ensure your safety & avoid any damage to the device/connected products, please read the following
precautions carefully. To avoid any possible dangers, please use this product according to the rules.
Avoid fire & physical injury.
Use appropriate power cord. Please use dedicated power cord which is certified in the country/region.
Connect & disconnect properly. Do not plug/unplug when the probe(s)/test lead(s) is connected to the
voltage source. Before you plug/unplug current probes, please disconnect power to the circuit-under-test.
Observe all terminal ratings. To avoid fire/electric shock, please observe ratings & symbols on the
product. Please read the user’s manual carefully to know detailed info of the ratings before connecting the device.
Do not operate in humid environment.
Do not operate in inflammable/explosive environment.
Please keep the surface of the product clean & dry.
III Major Functions
Pocket-size oscilloscope DS203 helps you test, adjust & present electronic designs. Its functions include:
▼ 8M Hz bandwidth，8-bit precision
▼ 2 analog channels: (CH_A, CH_B), 2 digital channels (CH_C, CH_D)
▼ Calculation channels: [CH_A]+[CH_B], [CH_A]-[CH_B], [CH_C]|[CH_D],
[CH_C]&[CH_D],REC_A, REC_B, REC_C, REC_D
▼ Sampling rate of any analog channel can reach 72 MS/s
▼ Record length of any channel can reach 4096 bits
▼ Users can save waveforms and upgrade firmware with a built-in 2M USB disk.
IV Operation Precaution
▌Temperature：
Operating Condition：+0°C to +50°C
Non-operating Condition：-20 °C to +60 °C
▌Humidity：
Operating Condition：high temperature：40 °C to 50 °C，0% to 60% RH
Operating Condition：low temperature：0 °C to 40 °C，10 to 90%RH
Non-operating Condition：high temperature：40 °C to 60 °C，5 to 60% RH
Non-operating Condition：low temperature：0 °C to 40 °C，5 to 90% RH
▌Parameters
Max transient-withstanding voltage is ± 400 V peak value.
Measure voltage range
Measure frequency range
Max input voltage of logic probe is ±15 V peak value.