Difference between revisions of "Hantek DSO-2250"

From sigrok
Jump to navigation Jump to search
Line 34: Line 34:
File:Dso2250-main-xtal.jpg|<small>Xilinx main oscillator</small>
File:Dso2250-main-xtal.jpg|<small>Xilinx main oscillator</small>
File:Dso2250-ext channel.jpg|<small>External trigger channel</small>
File:Dso2250-ext channel.jpg|<small>External trigger channel</small>
File:Dso2250-buffer.jpg|<small>Octal buffer/line driver?</small>
File:Dso2250-buffer.jpg|<small>Octal buffer/line driver for SRAM?</small>
File:Dso2250-unknown.jpg|<small>unknown connect(P3) and unknown stage(U4 and U10)</small>
File:Dso2250-unknown.jpg|<small>unknown connect(P3) and unknown stage(U4 and U10)</small>
File:Dso2250-capture-channel.jpg|<small>Input channel MAX4547(U7) ?(U9) ?(U33)</small>
File:Dso2250-capture-channel.jpg|<small>Input channel MAX4547(U7) ?(U9) ?(U33)</small>

Revision as of 11:33, 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

  • Main chip:Xilinx SPARTAN XC3S50AN
  • Main Oscillator: 100MHz 100.000 YX NH
  • USB: Cypress CY7C68013A-100AXC (FX2)
  • 512K x 8 High-speed CMOS static RAM: 2x ISSI IS61LV5128AL-10TLI (datasheet)
  • I2C EEPROM: Microchip 24LC02BI (for the USB VID/PID of the Cypress FX2)
  • Main Power Supply? (near the 1Khz 2VPP signal gen): TPS54286 (datasheet)
  • HC244SJ - octal buffer / line driver? (U23)

Input stage (per channel):

Photos

Protocol

See Hantek_DSO-2xxx/52xx#Protocol.

Extracting the firmware

See Hantek_DSO-2xxx/52xx#Extracting_the_firmware.

Resources