Hantek DSO-2090

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Hantek DSO-2090

The Hantek DSO-2090 is a USB-based, 2-channel oscilloscope with an analog bandwidth of 40MHz and 100MS/s sampling rate.

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

For more information about the devices in Hantek's USB oscilloscope series, see Hantek DSO-2xxx/52xx.

Hardware

  • Xilinx XC95288XL CPLD
  • 50 MHz oscillator
  • 2x ISSI IS61LV256 (32K SRAM)
  • 2x HEF4052B (dual 4-channel analog mux/demux)
  • Cypress CY7C68013A (FX2LP)
  • Microchip 24LC02B (2K EEPROM for the FX2LP)
  • Calogic SST5912 (N-Channel Monolithic JFET)

Input stage:

Per channel:

  • HEF4052B (dual 4-channel analog mux/demux)
  • Calogic SST5912 (N-Channel Monolithic JFET)
  • 3x Forward Relay PL-5 (relays)

Photos

  • Device, top

  • Probe connectors

  • USB and calibration points

  • PCB, front

  • PCB, back

  • Xilinx CPLD

  • Analog mux/demux

  • JFET switch

  • Cypress FX2LP USB interface

  • FX2LP EEPROM

  • Mux 2

  • RAM

  • Input stage

Protocol

See Hantek_DSO-2xxx/52xx#Protocol.

Extracting the firmware

See Hantek_DSO-2xxx/52xx#Extracting_the_firmware.

Resources

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