Difference between revisions of "Hantek DSO-2250"
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<gallery> | <gallery> | ||
File:Dso2250-case-top.jpg|<small>Hantek DSO-2250</small> | |||
File:Dso2250-probe-inputs.jpg|<small>Probe Inputs</small> | |||
File:Dso2250-case-rear.jpg|<small>USB Connect and 1Khz calibration</small> | |||
File:Dso2250-Xilinx.jpg|<small>Xilinx SPARTAN XC3S50AN CPLD</small> | File:Dso2250-Xilinx.jpg|<small>Xilinx SPARTAN XC3S50AN CPLD</small> | ||
File:Dso2250-RAM.jpg|<small>512Kx2 SRAM</small> | File:Dso2250-RAM.jpg|<small>512Kx2 SRAM</small> | ||
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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?</small> | ||
File:Dso2250-capture-channel.jpg|<small>Input channel</small> | File:Dso2250-unknown-connect.jpg|<small>Misc. connect</small> | ||
File:Dso2250-capture-channel.jpg|<small>Input channel MAX4547(U7) ?(U9) ?(U33)</small> | |||
File:Dso2250-capture-channels.jpg|<small>Input channels front</small> | File:Dso2250-capture-channels.jpg|<small>Input channels front</small> | ||
File:Dso2250-Cypress.jpg|<small>FX2 and EEPROM</small> | File:Dso2250-Cypress.jpg|<small>FX2 and EEPROM</small> | ||
Revision as of 07:54, 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:
- MAX4547 Bidirection RF Video Switch
- 3 x Forward Relay PL-5 (relays)
Photos
Hantek DSO-2250
Probe Inputs
USB Connect and 1Khz calibration
Xilinx SPARTAN XC3S50AN CPLD
512Kx2 SRAM
DSO-2250 PCB top view
DSO-2250 PCB bottom view
Xilinx main oscillator
External trigger channel
Octal buffer/line driver?
Misc. connect
Input channel MAX4547(U7) ?(U9) ?(U33)
Input channels front
FX2 and EEPROM
1khz 2VPP signal generation circuitry and Cypress main EEPROM (U807)
Protocol
See Hantek_DSO-2xxx/52xx#Protocol.
Extracting the firmware
See Hantek_DSO-2xxx/52xx#Extracting_the_firmware.