Hantek DSO-2250

The Hantek DSO-2250 is an inexpensive USB-based oscilloscope. It has 2 channels, an analog bandwidth of 100MHz and 250MS/s sampling rate.

See Hantek DSO-2250/Info for more details (such as lsusb -vvv output) about the device.

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

Hardware

• Xilinx SPARTAN XC3S50AN
• 100 MHz oscillator
• Cypress CY7C68013A (FX2)
• 2 x ISSI IS61LV5128AL (512K SRAM)
• Microchip 24LC0281 (FX2 EEPROM)
• 54286 9CTG4 (near the 1Khz 2VPP signal gen)
• HC244SJ - octal buffer / line driver?

Input stage:

Per channel:

• MAX4547 Bidirection RF Video Switch
• 3 x Forward Relay PL-5 (relays)

Photos

TODO.

Protocol

See Hantek_DSO-2xxx/52xx#Protocol.

Extracting the firmware

See Hantek_DSO-2xxx/52xx#Extracting_the_firmware.

Resources

• Manual
• Vendor software
• SDK