Difference between revisions of "Hantek DSO-2090"

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(Add two missing DSO-2090 photos to page.)
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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)
==== 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 ==
== Photos ==

Revision as of 02:16, 19 June 2012

Hantek DSO-2090

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

Protocol

TODO.

Extracting the firmware

TODO.