Difference between revisions of "Hantek DSO-2090"
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[[File: | [[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. | 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. | ||
Revision as of 22:40, 1 November 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)
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
TODO.
Extracting the firmware
TODO.
Resources
TODO.