Difference between revisions of "Hantek DSO-2250"

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== Photos ==
== Photos ==


TODO.
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<gallery>
[[File:Dso2250-signal-gen.jpg]]
File:Dso2250-Xilinx.jpg|<small>Xilinx SPARTAN XC3S50AN CPLD</small>
File:Dso2250-signal-gen.jpg|<small>1khz 2VPP signal generation circuitry and Cypress main EEPROM (U807)</small>
</gallery>
</gallery>



Revision as of 02:40, 24 March 2013

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:

Photos

Protocol

See Hantek_DSO-2xxx/52xx#Protocol.

Extracting the firmware

See Hantek_DSO-2xxx/52xx#Extracting_the_firmware.

Resources