Difference between revisions of "Hantek DSO-2250"

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* Xilinx SPARTAN XC3S50AN  
* Xilinx SPARTAN XC3S50AN  
* 100 MHz oscillator
* 100 MHz oscillator
* Cypress CY7C68013A (FX2)
* '''USB''': Cypress CY7C68013A-100AXC (FX2)
* 2 x ISSI IS61LV5128AL (512K SRAM)
* 2 x ISSI IS61LV5128AL (512K SRAM)
* Microchip 24LC0281 (FX2 EEPROM)
* Microchip 24LC0281 (FX2 EEPROM)
Line 17: Line 17:
'''Input stage:'''
'''Input stage:'''


Per channel:
* '''Quad/Dual, Low-Voltage, Bidirectional RF Video Switch''': [http://www.maxim-ic.com/datasheet/index.mvp/id/1727 Maxim MAX4547] ([http://datasheets.maxim-ic.com/en/ds/MAX4545-MAX4547.pdf datasheet])
* '''Quad/Dual, Low-Voltage, Bidirectional RF Video Switch''': [http://www.maxim-ic.com/datasheet/index.mvp/id/1727 Maxim MAX4547] ([http://datasheets.maxim-ic.com/en/ds/MAX4545-MAX4547.pdf datasheet])
* Unknown (relay switch? U33)
* Unknown (relay switch? U33)

Revision as of 08:42, 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
  • USB: Cypress CY7C68013A-100AXC (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:

Photos

Protocol

See Hantek_DSO-2xxx/52xx#Protocol.

Extracting the firmware

See Hantek_DSO-2xxx/52xx#Extracting_the_firmware.

Resources