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[[File:Rocktech bm102 mugshot.png|thumb|right|Rocktech BM102]] | |||
The [http://www.rockemb.com/chanpinzixun/xunishiboqi/113.html Rocktech BM102] is a USB-based, 2-channel oscilloscope with an analog bandwidth of 20MS/s and 50MS/s sampling rate. | The [http://www.rockemb.com/chanpinzixun/xunishiboqi/113.html Rocktech BM102] is a USB-based, 2-channel oscilloscope with an analog bandwidth of 20MS/s and 50MS/s sampling rate. | ||
This device appears to be a rebadge of the [[SainSmart DDS120]] (or vice versa). The [[Rocktech BM102/Info|lsusb]] is exactly the same, the PCB is exactly the same (both have a "656517" and "102LJT1402" silkscreen), and the components used appear to be the same as well. | |||
The device was apparently [https://translate.google.de/translate?sl=auto&tl=en&js=y&prev=_t&hl=en&ie=UTF-8&u=https%3A%2F%2Fweb.archive.org%2Fweb%2F20140520231246%2Fhttp%3A%2F%2Fbbs.21ic.com%2Ficview-350047-1-1.html&edit-text=&act=url created by someone named "buudai"] in 2012 (also reflected in the [[Rocktech BM102/Info|lsusb]] and in the former [https://web.archive.org/web/20130403082149/http://www.buudai.com/ buudai.com] website). | |||
See [[Rocktech BM102/Info]] for more details (such as '''lsusb -v''' output) about the device. | See [[Rocktech BM102/Info]] for more details (such as '''lsusb -v''' output) about the device. | ||
== Hardware == | == Hardware == | ||
* '''USB''': [http://www.cypress.com/documentation/datasheets/cy7c68013a-cy7c68014a-cy7c68015a-cy7c68016a-ez-usb-fx2lp-usb Cypress CY7C68013A-100AXC] (FX2LP) ([http://www.cypress.com/file/138911/download datasheet]) | |||
* '''Dual 8bit, 100MSPS ADC''': [https://translate.google.com/translate?hl=en&sl=zh-CN&tl=en&u=http%3A%2F%2Fwww.mxtronics.com%2Fn107%2Fn124%2Fn181%2Fn184%2Fc692%2Fcontent.html MXTronix MXT2088] ([http://www.mxtronics.com/n107/n124/n181/n184/c692/attr/2630.pdf datasheet]) | |||
* '''64-kbyte I²C EEPROM''': [http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en010831 Microchip 24LC64I] ([http://ww1.microchip.com/downloads/en/DeviceDoc/21189f.pdf datasheet]) | |||
* 4x '''CMOS differential 4-channel analog mux/demux with logic-level conversion''': [http://www.ti.com/product/cd4052b/description Texas Instruments CD4052B(M)] ([http://www.ti.com/lit/gpn/cd4052b datasheet]) | |||
* '''Crystal''': 24MHz | |||
== Photos == | == Photos == | ||
<gallery> | <gallery> | ||
File:Rocktech bm102 device top.jpg|<small>Device, top</small> | |||
File:Rocktech bm102 device bottom.jpg|<small>Device, bottom</small> | |||
File:Rocktech bm102 pcb top.jpg|<small>PCB, top</small> | |||
File:Rocktech bm102 pcb bottom.jpg|<small>PCB, bottom</small> | |||
File:Rocktech bm102 cypress fx2.jpg|<small>Cypress FX2</small> | |||
File:Rocktech bm102 mxt2088.jpg|<small>MXTronix MXT2088</small> | |||
File:Rocktech bm102 microchip 24lc64i.jpg|<small>Microchip 24LC64I</small> | |||
File:Rocktech bm102 cd4052bm.jpg|<small>TI CD4052BM</small> | |||
File:Rocktech bm102 ams1117-3.3.jpg|<small>AMS1117-3.3</small> | |||
File:Rocktech bm102 unknown ic.jpg|<small>Unknown IC</small> | |||
</gallery> | </gallery> | ||
== Protocol == | == Protocol == | ||
See [[SainSmart DDS120#Protocol]]. | |||
== Firmware == | == Firmware == | ||
See [[SainSmart DDS120#Firmware]]. | |||
== Resources == | == Resources == | ||
| Line 20: | Line 45: | ||
* [http://www.360customs.de/en/2014/10/usb-oszilloskop-sainsmart-dds120-2-kanal-20mhz-50msps-buudairocktech-bm102/ Detailed description of the hardware] | * [http://www.360customs.de/en/2014/10/usb-oszilloskop-sainsmart-dds120-2-kanal-20mhz-50msps-buudairocktech-bm102/ Detailed description of the hardware] | ||
* [http://www.rockemb.com/chanpinzixun/xunishiboqi/113.html Vendor product page] | * [http://www.rockemb.com/chanpinzixun/xunishiboqi/113.html Vendor product page] | ||
* [http://m5.img.dxcdn.com/CDDriver/CD/sku.271544.rar Vendor software] (linked from [http://www.dx.com/p/bm102-bm102-50mhz-2-ch-usb-analog-oscilloscope-silver-grey-271544 dx.com]) | |||
[[Category:Device]] | [[Category:Device]] | ||
[[Category:Oscilloscope]] | [[Category:Oscilloscope]] | ||
[[Category:Supported]] | [[Category:Supported]] | ||
Latest revision as of 00:30, 2 November 2016
The Rocktech BM102 is a USB-based, 2-channel oscilloscope with an analog bandwidth of 20MS/s and 50MS/s sampling rate.
This device appears to be a rebadge of the SainSmart DDS120 (or vice versa). The lsusb is exactly the same, the PCB is exactly the same (both have a "656517" and "102LJT1402" silkscreen), and the components used appear to be the same as well.
The device was apparently created by someone named "buudai" in 2012 (also reflected in the lsusb and in the former buudai.com website).
See Rocktech BM102/Info for more details (such as lsusb -v output) about the device.
Hardware
- USB: Cypress CY7C68013A-100AXC (FX2LP) (datasheet)
- Dual 8bit, 100MSPS ADC: MXTronix MXT2088 (datasheet)
- 64-kbyte I²C EEPROM: Microchip 24LC64I (datasheet)
- 4x CMOS differential 4-channel analog mux/demux with logic-level conversion: Texas Instruments CD4052B(M) (datasheet)
- Crystal: 24MHz
Photos
Device, top
Device, bottom
PCB, top
PCB, bottom
Cypress FX2
MXTronix MXT2088
Microchip 24LC64I
TI CD4052BM
AMS1117-3.3
Unknown IC
Protocol
See SainSmart DDS120#Protocol.
Firmware
See SainSmart DDS120#Firmware.