Difference between revisions of "Hantek DSO-2250"
Jump to navigation
Jump to search
Uwe Hermann (talk | contribs) (Fixes, additions. Drop photos of other device.) |
|||
| Line 26: | Line 26: | ||
TODO. | TODO. | ||
<gallery> | <gallery> | ||
[[File:Dso2250-signal-gen.jpg]] | |||
</gallery> | </gallery> | ||
Revision as of 03:34, 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
TODO.
Protocol
See Hantek_DSO-2xxx/52xx#Protocol.
Extracting the firmware
See Hantek_DSO-2xxx/52xx#Extracting_the_firmware.