Difference between revisions of "Hantek DSO-2250"
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== Photos == | == Photos == | ||
<gallery> | <gallery> | ||
File:Dso2250-Xilinx.jpg|<small>Xilinx SPARTAN XC3S50AN CPLD</small> | |||
File:Dso2250-signal-gen.jpg|<small>1khz 2VPP signal generation circuitry and Cypress main EEPROM (U807)</small> | |||
</gallery> | </gallery> | ||
Revision as of 02:40, 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
Xilinx SPARTAN XC3S50AN CPLD
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.