Difference between revisions of "Hantek DSO-2090"
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Uwe Hermann (talk | contribs) (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
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
Protocol
TODO.
Extracting the firmware
TODO.