Difference between revisions of "Hantek DSO-2250"

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(Fixes, additions. Drop photos of other device.)
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[[File:Hantek DSO-2090.jpg|thumb|right|Hantek DSO-2090]]
The [http://www.hantek.com.cn/english/produce_list.asp?unid=64 Hantek DSO-2250] is an inexpensive USB-based oscilloscope. It has 2 channels, an analog bandwidth of 100MHz and 250MS/s sampling rate.
 
The [http://www.hantek.com.cn/english/produce_list.asp?unid=62 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.
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 devices, see [[Hantek DSO-2xxx/52xx]].
For more information about the devices in Hantek's USB oscilloscope series, see [[Hantek DSO-2xxx/52xx]].


== Hardware ==
== Hardware ==
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* 2 x ISSI IS61LV5128AL (512K SRAM)
* 2 x ISSI IS61LV5128AL (512K SRAM)
* Microchip 24LC0281 (FX2 EEPROM)
* Microchip 24LC0281 (FX2 EEPROM)
54286 9CTG4 (near the 1Khz 2VPP signal gen)
* 54286 9CTG4 (near the 1Khz 2VPP signal gen)
HC244SJ - octal buffer / line driver?
* HC244SJ - octal buffer / line driver?


'''Input stage:'''
'''Input stage:'''
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== Photos ==
== Photos ==


TODO.
<gallery>
<gallery>
File:Dso2090-case-top-small.jpg|<small>Hantek DSO-2090</small>
File:Dso2090-case-front-small.jpg|<small>Probe connectors</small>
File:Dso2090-case-back-small.jpg|<small>USB and calibration points</small>
File:Dso2090-pcb-front-small.jpg|<small>PCB</small>
File:Dso2090-pcb-back-small.jpg|<small>PCB back</small>
File:Dso2090-cpld-small.jpg|<small>Xilinx CPLD</small>
File:Dso2090-mux1-small.jpg|<small>Analog mux/demux</small>
File:Dso2090-jfet-small.jpg|<small>JFET switch</small>
File:Dso2090-fx2-small.jpg|<small>Cypress FX2 USB interface</small>
File:Dso2090-eeprom-small.jpg|<small>FX2 EEPROM</small>
File:Dso2090-mux2-small.jpg|<small>Mux 2</small>
File:Dso2090-ram-small.jpg|<small>RAM</small>
File:Dso2090-inputstage.jpg|<small>Input stage</small>
</gallery>
</gallery>


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== Resources ==
== Resources ==


TODO.
* [http://www.hantek.com.cn/english/down_list.asp?Unid=14 Manual]
* [http://www.hantek.com.cn/english/down_list.asp?Unid=14 Vendor software]
* [http://www.hantek.com.cn/english/down_list.asp?Unid=14 SDK]


[[Category:Device]]
[[Category:Device]]
[[Category:Oscilloscope]]
[[Category:Oscilloscope]]
[[Category:Supported]]
[[Category:Supported]]

Revision as of 23:43, 12 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

TODO.

Protocol

See Hantek_DSO-2xxx/52xx#Protocol.

Extracting the firmware

See Hantek_DSO-2xxx/52xx#Extracting_the_firmware.

Resources