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DSO138 was designed as a training oscilloscope kit. It contains only
the basical oscilloscope functions with no fancy features. Simplicity
in structure and easiness in assembly/operation are among the main
targets of the design. For these purpose DSO138 uses mostly
through-hole parts. The heart of DSO138 is a Cortex-M3 ARM processor
(STM32F103C8) from ST. It uses 2.4-inch TFT LCD (320 X 240 dotmatrix,
262K colors) as its display element and displays nice and clear
waveforms. Detailed assembly instructions are provided in combination
with troubleshooting guide and schematc. Source codes are also
available to allow user to add their own features.

This DSO138 Kit has all the SMD parts pre-soldered. The MCU has been
pre-programmed and no re-programming required.

DSO138 is partially open-sourced. This opens the possibility for
users to add different features or develop new applications on the

Major features of DSO138:

* Analog bandwidth: 0 - 200KHz
* Sampling rate: 1Msps max
* Sensitivity: 10mV/Div - 5V/Div
* Sensitivity error: < 5%
* Vertical resolution: 12-bit
* Timebase: 10us/Div - 500s/Div
* Record length: 1024 points
* Built-in 1KHz/3.3V test signal
* Waveform frozen (HOLD) function available

Please note that a 9V DC power supply is required to run DSO138. The
Power supply is not included in the kit.

Specification: Vertical

* Number of Channel: 1
* Analog Bandwidth: 0 - 200KHz
* Sensitivity: 10mV/Div - 5V/Div
* Sensitivity error: < 5%
* Resolution: 12-bit
* Input Impedance: 1M ohm
* Maximum Input voltage: 50Vpk
* Coupling: DC, AC, GND


* Max Real-time Sampling Rate: 1Msps
* Timebase: 10us/Div - 500s/Div
* Record Length: 1024


* Trigger Modes: Auto, Normal, Single
* Trigger Types: Rising/falling edge
* Trigger Position: 1/2 of buffer size fixed


* 2.4-inch color TFT LCD with 320 x 240 resolution

Power Supply

* 9V DC (8 - 12V acceptable, not included)
* Supply Current: 120mA


* Dimension: 117mm X 76mm X 15mm
* Weight: 70 gram (not including cables)


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General information

Manufacturer JYE Tech
Product type Metrology
Item number5998361
Manufacturer no.JYE-13801K

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Returns and warranty

Warranty 24 month Bring-in
30-day right of return

30-day right of return

This product may be returned within 30 days after shipment or collection. A minimum of 10% will be deducted from opened products. Unfortunately, we cannot accept a product if it is damaged, incomplete or missing its original packaging.

Returns and warranty

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JYE Tech JYE DSO 138 DIY Kit (Bausatz) JYE Tech JYE DSO 138 DIY Kit (Bausatz)