Difference between revisions of "Hantek DSO-2090"
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[[File:Dso2090-case-top-small.jpg|thumb|right|Hantek DSO-2090]] | [[File:Dso2090-case-top-small.jpg|thumb|right|Hantek DSO-2090]] | ||
The [http://www.hantek.com.cn/english/produce_list.asp?unid=62 Hantek DSO-2090] is an inexpensive USB-based oscilloscope. It has 2 channels, an analog bandwidth of 40MHz and 100MS/s sampling rate. | The [http://www.hantek.com.cn/english/produce_list.asp?unid=62 Hantek DSO-2090] is an inexpensive USB-based oscilloscope. It has 2 channels, an analog bandwidth of 40MHz and 100MS/s sampling rate. | ||
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See [[Hantek DSO-2090/Info]] for more details (such as '''lsusb -vvv''' output) about the device. | See [[Hantek DSO-2090/Info]] for more details (such as '''lsusb -vvv''' output) about the device. | ||
== | == Hardware == | ||
* Xilinx XC95288XL CPLD | * Xilinx XC95288XL CPLD | ||
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* Microchip 24LC02B (2K EEPROM for the FX2) | * Microchip 24LC02B (2K EEPROM for the FX2) | ||
* Calogic SST5912 (N-Channel Monolithic JFET) | * Calogic SST5912 (N-Channel Monolithic JFET) | ||
== Photos == | |||
<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> | |||
</gallery> | |||
== Protocol == | == Protocol == | ||
Revision as of 00:14, 25 May 2012
The Hantek DSO-2090 is an inexpensive USB-based oscilloscope. It has 2 channels, an analog bandwidth of 40MHz and 100MS/s sampling rate.
See Hantek DSO-2090/Info for more details (such as lsusb -vvv output) about the device.
Hardware
- Xilinx XC95288XL CPLD
- 50 MHz oscillator
- 2 x ISSI IS61LV256 (32K SRAM)
- 2 x HEF4052B (dual 4-channel analog mux/demux)
- Cypress CY7C68013a (FX2)
- Microchip 24LC02B (2K EEPROM for the FX2)
- Calogic SST5912 (N-Channel Monolithic JFET)
Photos
Hantek DSO-2090
Probe connectors
USB and calibration points
PCB
PCB back
Xilinx CPLD
Analog mux/demux
JFET switch
Cypress FX2 USB interface
FX2 EEPROM
Protocol
TODO.
Extracting the firmware
TODO.