Hantek DSO-2090

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Hantek DSO-2090
Probe connectors
USB and calibration points
PCB
PCB back
Xilinx CPLD
Analog mux/demux
JFET switch
Cypress FX2 USB interface
FX2 EEPROM

The Hantek DSO-2090 is an inexpensive USB-based oscilloscope. It has 2 channels, an analog bandwidth of 40MHz and 100MS/s sampling rate.

See Hantek DSO-2090/Info for more details (such as lsusb -vvv output) about the device.

Components

  • Xilinx XC95288XL CPLD
  • 50 MHz oscillator
  • 2 x ISSI IS61LV256 (32K SRAM)
  • 2 x HEF4052B (dual 4-channel analog mux/demux)
  • Cypress CY7C68013a (FX2)
  • Microchip 24LC02B (2K EEPROM for the FX2)
  • Calogic SST5912 (N-Channel Monolithic JFET)

Protocol

TODO.

Extracting the firmware

TODO.

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