Hantek DSO-2090
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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
- Detailed teardown and design overview by Fabio Baltieri.