DIY Digital Storage Oscilloscope

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DIY Digital Storage Oscilloscope

Overview

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Features

  • [Feature 1]
  • [Feature 2]
  • [Feature 3]

Technical Details

  • Intel Altera EP1C3T100C6 Cyclone FPGA
    • 2910 Logic Elements, 52KB RAM, 65 I/O
  • Texas Instruments ADS5204
    • Low power, Dual 10-Bit, 40MSPS ADC
    • With PGA with gain of 0dB to 18dB (= linear gain of 0 to 63)
  • Texas Instruments DAC7821
    • 12-bit, Parallel Input DAC
    • 10MHz BW, 20.4 MSPS update rate
  • FTDI FT232R USB to UART Bridge
    • 3.3V, 5V tolerant
  • Analog Devices AD8066 Dual Opamp
    • 145 MHz FastFET
  • Analog Devices LMH6644 Quad Opamp
    • 130MHz, 75mA Rail-to-Rail Output

Build Process

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Results

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dso PCBs cropped.jpg
DSO_soldered_PCB_back.jpg
DSO_soldered_PCB_front.jpg

Last modified: 3 Dec 2025