Difference between revisions of "Loto OSC802"

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(New Device)
 
(Random fixes, set status to "planned", it's unclear whether someone actively works on a libsigrok driver; if yes, please set to "in progress" again.)
 
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[[File:Logo osc802.png|thumb|right|Loto OSC802]]
{{Infobox oscilloscope
| image              = [[File:Loto_OSC802.jpg|180px]]
| name                = Loto OSC802
| status              = planned
| source_code_dir    =
| channels            = 1
| samplerate          = 1ch @ 80MHz
| samplerate_equiv    =
| bandwidth          = 20MHz
| vertical_resolution =
| triggers            = Hardware
| input_impedance    =
| memory              = 64K/channel
| display            =
| connectivity        = USB
| features            =
| website            = [http://www.rockemb.com/index.php?m=content&c=index&a=show&catid=96&id=105 rockemb.com]
}}


The [https://www.amazon.com/Loto-Instruments-Oscilloscope-OSC802%EF%BC%8C80M-Sampling%EF%BC%8C25M/dp/B07K2Y6GQ4/ref=sr_1_1?ie=UTF8&qid=1548641941&sr=8-1&keywords=osc802] is a USB-based, 2-channel oscilloscope with an analog bandwidth of 20MHz and 80MS/s sampling rate.  
The '''Loto OSC802''' is a USB-based, 2-channel oscilloscope with an analog bandwidth of 20MHz and 80MS/s sampling rate.


See [[Loto OSC802/Info]] for more details (such as '''lsusb -v''' output) about the device.
See [[Loto OSC802/Info]] for more details (such as '''lsusb -v''' output) about the device.


For more information about the devices in Loto's USB oscilloscope series, see [[Loto OSCxxx]].
See [[Loto OSCxxx series]] for information common to all devices in this series.


== Hardware ==
== Hardware ==


* '''Main chip''': [http://www.xilinx.com/support/documentation/spartan-3an_data_sheets.htm Xilinx Spartan XC3S50AN] ([http://www.xilinx.com/support/documentation/data_sheets/ds557.pdf datasheet])
* '''Main chip''': [https://www.intel.com/content/www/us/en/products/programmable/cpld/max-ii.html Altera MAX II EPM240] ([https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/dp/max2/epm240.pdf pin info] [https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/max2/max2_mii5v1.pdf device handbook])
* '''Main oscillator''': 100MHz 100.000 YX NH
* '''8-Bit, 80 MSPS Dual A/D Converter''': Analog Devices AD9288 ([https://www.analog.com/media/en/technical-documentation/data-sheets/ad9288.pdf datasheet])
* '''Main oscillator''': 80MHz 80.000 YX NH
* '''USB''': Cypress CY7C68013A-100AXC (FX2LP)
* '''USB''': Cypress CY7C68013A-100AXC (FX2LP)
* '''512K x 8 high-speed CMOS static RAM''': 2x [http://www.issi.com/products-asynchronous-sram.htm ISSI IS61LV5128AL-10TLI] ([http://www.issi.com/pdf/61LV5128AL.pdf datasheet])
* '''64K x 16 high-speed CMOS static RAM''': 2x [http://www.issi.com/products-asynchronous-sram.htm ISSI IS61LV6416-8TI] ([http://www.issi.com/WW/pdf/61LV6416_L.pdf datasheet])
* '''I2C EEPROM''': Microchip 24LC02BI (for the USB VID/PID of the Cypress FX2LP)
* '''I2C EEPROM''': Microchip 24LC02BI (for the USB VID/PID of the Cypress FX2LP)
* '''Main power supply (3v3 to 1v2)?''' (near the 1kHz 2VPP signal gen): [http://www.ti.com/product/tps54286 TPS54286] ([http://www.ti.com/lit/gpn/tps54286 datasheet])
* '''Main power supply''': [https://www.chinahao.com/product/559725327304/ TESLA A0505S-1W-DC isolation power chip 5V ]
* '''Octal buffer / line driver for level shifting SRAM (U23)''': HC244SJ


'''Input stage (per channel):'''
'''Input stage (per channel):'''


* '''Quad/dual, low-voltage, bidirectional RF video switch''': [http://www.maxim-ic.com/datasheet/index.mvp/id/1727 Maxim MAX4547] ([http://datasheets.maxim-ic.com/en/ds/MAX4545-MAX4547.pdf datasheet])
* '''Analog Multiplexer/Demultiplexer''': [http://www.ti.com/lit/ds/symlink/cd4051b.pdf CD4052]
* '''Relay''': 3x [http://en.forward-relays.com/images/down/101.pdf Forward Relays PL-5]


== Photos ==
== Photos ==


<gallery>
<gallery>
 
File:Loto_OSC802_01.jpg|<small>Inside</small>
File:Loto_OSC802_02.jpg|<small>Core part</small>
File:Loto_OSC802_03.jpg|<small>Back</small>
File:Loto_OSC802_04.jpg|<small>Communication part</small>
</gallery>
</gallery>


== Protocol ==
== Protocol ==


See [[Loto OSCxxx#Protocol]].
See [[Loto OSCxxx series#Protocol]].


== Resources ==
== Resources ==


* [http://www.hantek.com.cn/english/down_list.asp?Unid=14 Manual]
* [http://www.rockemb.com/uploadfile/2019/0220/20190220114957785.pdf Brochure]
* [http://www.hantek.com.cn/english/down_list.asp?Unid=14 Vendor software]
* [http://www.rockemb.com/index.php?m=content&c=index&a=show&catid=96&id=105 Vendor website]
* [http://www.hantek.com.cn/english/down_list.asp?Unid=14 SDK]
* [http://www.youtube.com/watch?v=2VMgilxtKLI Teardown video]


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

Latest revision as of 15:36, 15 December 2019

Loto OSC802
Loto OSC802.jpg
Status planned
Channels 1
Samplerate 1ch @ 80MHz
Analog bandwidth 20MHz
Triggers Hardware
Memory 64K/channel
Connectivity USB
Website rockemb.com

The Loto OSC802 is a USB-based, 2-channel oscilloscope with an analog bandwidth of 20MHz and 80MS/s sampling rate.

See Loto OSC802/Info for more details (such as lsusb -v output) about the device.

See Loto OSCxxx series for information common to all devices in this series.

Hardware

Input stage (per channel):

  • Analog Multiplexer/Demultiplexer: CD4052

Photos

  • Inside

  • Core part

  • Back

  • Communication part

Protocol

See Loto OSCxxx series#Protocol.

Resources

Retrieved from "https://sigrok.org/w/index.php?title=Loto_OSC802&oldid=14678"