Difference between revisions of "Hantek DSO-2250"
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more | [[File:Hantek DSO-2090.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. | |||
See [[Hantek DSO-2090/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]]. | |||
== 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) | |||
'''Input stage:''' | |||
Per channel: | |||
* HEF4052B (dual 4-channel analog mux/demux) | |||
* Calogic SST5912 (N-Channel Monolithic JFET) | |||
* 3 x [http://en.forward-relays.com/images/down/101.pdf Forward Relay PL-5] (relays) | |||
== 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> | |||
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> | |||
== Protocol == | |||
See [[Hantek_DSO-2xxx/52xx#Protocol]]. | |||
== Extracting the firmware == | |||
See [[Hantek_DSO-2xxx/52xx#Extracting_the_firmware]]. | |||
== Resources == | |||
TODO. | |||
[[Category:Device]] | |||
[[Category:Oscilloscope]] | |||
[[Category:Supported]] | |||
Revision as of 04:14, 12 March 2013
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.
For more information about the devices in Hantek's USB oscilloscope devices, see Hantek DSO-2xxx/52xx.
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)
Input stage:
Per channel:
- HEF4052B (dual 4-channel analog mux/demux)
- Calogic SST5912 (N-Channel Monolithic JFET)
- 3 x Forward Relay PL-5 (relays)
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
Mux 2
RAM
Input stage
Protocol
See Hantek_DSO-2xxx/52xx#Protocol.
Extracting the firmware
See Hantek_DSO-2xxx/52xx#Extracting_the_firmware.
Resources
TODO.