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DIY Oscilloscope Kits

DSO 138 Oscilloscope DIY Kit

DSO 138 Oscilloscope DIY Kit

Note: This is an old model. For new purchase, DSO138mini is recommended for its better structure and reliability. Please see DSO138mini Oscilloscope DIY Kit

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
  • Save/recall waveform

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See more pictures:
Overview / Assembled / In Use

Important Notes

It is assumed that users have adequate soldering skills and troubleshooting skills to assemble the DSO138 kits. It is not guaranteed that you will end up with a working device. However, we make as much effort as we can to approach that goal.

A DC 9V power supply (not included) is required to run the device. The power jack on the mainboard accepts a standard 5.5mm/2.1mm DC plug.

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

Horizontal

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

Trigger

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

Display

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

      • Power Supply

      • 9V DC (8 - 12V acceptable)
      • Supply Current: 120mA

      Physical

      • Dimension: 117mm X 76mm X 15mm
      • Weight: 70 gram (not including cables)
SKU NumberContents
13803K

One DSO138 kit with all SMD parts pre-soldered
One BNC-clip cable
Users Manual (English)

13804K

One DSO138 kit with only the major IC chip (the MCU) pre-soldered
One BNC-clip cable
Users Manual (English)

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