Difference between revisions of "Hantek DSO-220"

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== Resources ==
== Resources ==
* [http://hantek.com.cn/About Hantek history (DSO-220 seems to have been their first scope)]
* [https://web.archive.org/web/20160304173102/http://www.hantek.org/asken/iaskdetail.aspx?id=2011041915123971 hantek.org: two different DSO-220 versions seem to exist]
* [https://www.mikrocontroller.net/topic/55637 Teardown from mikrocontroller.net]
== Resources (no longer available) ==


* [http://www.produktinfo.conrad.com/datenblaetter/100000-124999/121807-an-01-en-Abgleichanweisung_DSO_220USB.pdf Calibration instructions]
* [http://www.produktinfo.conrad.com/datenblaetter/100000-124999/121807-an-01-en-Abgleichanweisung_DSO_220USB.pdf Calibration instructions]
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** [http://www.hantek.com.cn/download/dso-220usb_v3.4.0.0.rar dso-220usb_v3.4.0.0.rar], [http://www.hantek.com/download/DSO220.5.0.0.1.rar DSO220.5.0.0.1.rar]
** [http://www.hantek.com.cn/download/dso-220usb_v3.4.0.0.rar dso-220usb_v3.4.0.0.rar], [http://www.hantek.com/download/DSO220.5.0.0.1.rar DSO220.5.0.0.1.rar]
** [http://www.hantek.com.cn/download/SecondDesignDSO-220USB_Ver5.0.0.1_English.rar SecondDesignDSO-220USB_Ver5.0.0.1_English.rar], [http://www.hantek.com.cn/download/SecondDesignDSO-220USB_Ver5.0.0.1_China.rar SecondDesignDSO-220USB_Ver5.0.0.1_China.rar]
** [http://www.hantek.com.cn/download/SecondDesignDSO-220USB_Ver5.0.0.1_English.rar SecondDesignDSO-220USB_Ver5.0.0.1_English.rar], [http://www.hantek.com.cn/download/SecondDesignDSO-220USB_Ver5.0.0.1_China.rar SecondDesignDSO-220USB_Ver5.0.0.1_China.rar]
* [http://www.hantek.com/english/lishi.asp Hantek history (DSO-220 seems to have been their first scope)]
* [http://www.hantek.org/asken/iaskdetail.aspx?id=2011041915123971 hantek.org: two different DSO-220 versions seem to exist]
* [https://www.mikrocontroller.net/topic/55637 Another teardown]


[[Category:Device]]
[[Category:Device]]
[[Category:Oscilloscope]]
[[Category:Oscilloscope]]
[[Category:Planned]]
[[Category:Planned]]

Revision as of 20:24, 21 June 2020

Voltcraft DSO-220

The Voltcraft DSO-220 is a USB-based, 2-channel oscilloscope with an analog bandwidth of 20MHz and 60MS/s sampling rate.

This is a rebadged Hantek DSO-220.

See Voltcraft DSO-220/Info for more details (such as lsusb -vvv output) about the device.

Hardware

The PCB does not look professionally assembled; both my unit and the unit in the mikrocontroller.net teardown linked below appear to have most components, including SMD ones, hand-soldered. There are clear reworks present, with SMD resistors bridging between through-hole pads on the underside of the board.

  • Main chip: Xilinx XC95144XL CPLD (JTAG IDCODE 0x59608093) (datasheet)
  • USB: Cypress EZ-USB AN2131QC (datasheet)
  • I2C EEPROM: Unknown (marking masked on all photos I've seen)
  • SRAM (64KB): 2x ISSI IS62LV256L-15T 32K x 8 Low Voltage CMOS Static RAM (datasheet)
  • ADC: Texas Instruments ADC1175-50 8-Bit, 50 MSPS, 125mW A/D Converter (datasheet)
  • Per-channel mux: 74HC4052 Dual 4-channel analog multiplexer/demultiplexer (datasheet)
  • Crystal: 60MHz

There is an unpopulated JTAG header for the CPLD labeled J8. Its pinout is as follows:

  1. +3.3V (pin 1 has a square pad)
  2. TCK
  3. TDI
  4. TDO
  5. TMS
  6. GND

Photos

  • Top w/ USB + CAL

  • Bottom

  • Top w/ probe connectors

  • Top case removed

  • PCB, top

  • PCB, chip markings

  • PCB, markings

  • PCB, bottom

  • PCB, example of reworks

  • Inner case

Protocol

TODO.

Resources

Resources (no longer available)

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