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Type: Posts; User: joniengr

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  1. Replies
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    Closed: Re: ADC output bit rate and PCB layout

    "Series 7 is specified for 950 MBPS DDR LVDS speed, 910 MBPS has little margin. It's suggested to use digital phase alignment to adjust the receiver timing."

    I guess the effective DCO will be 455...
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    Closed: Re: ADC output bit rate and PCB layout

    Hi,

    I guess it is ok to sample the ADC data at both positive and negative edges in FPGA, right ? Do the FPGA or ZYNQ have LVDS I/O to take the data in at 455 MHz ? How about the layout...
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    Closed: ADC output bit rate and PCB layout

    Hi,

    I am considering AD9257 ADC for my application. The ADC chip is octal which means 8 ADC on chip. The resolution is 14 bits and sampling rate is 65 MSPS. Each channel has serial LVDS output....
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    Closed: Re: Understanding the USB Protocol

    Hi,

    I guess UART-USB bridge is USB CDC class which is limited by the data rate close to Low Speed 1.5 Mbps. Is this limitation of UART or limitation of USB CDC ? Is it possible to achieve Full...
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    Closed: Understanding the USB Protocol

    Hi,

    I am trying to understand the connection between the two USB classes CDC and HID and four types of following data transfers.

    Control Transfer
    Isochronous Transfer
    Interrupt Transfer...
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    417

    Closed: Re: Data acquisition using PIC starter kit

    Actually I have PIC18F2550 in house and PIC programmer. For learning purpose I would like to start working with that. The aim is to get throughput of 50 kilo sample per second with a string of 10...
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    Closed: Re: Data acquisition using PIC starter kit

    Thanks for your reply. I guess I would go with 50 kilo sample per second at the first stage and consider USB Full Speed for communication.

    - Sampling rate: 50 kilo samples per second
    - String:...
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    Closed: Re: Sampling Jitter of 1 ns

    Actually I need to sample a pulse from accelerator meter which is around 1 to 5 ns. I need to sample the peak value. I am looking for peak hold device which can hold the peak value for few micro...
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    Closed: Sampling Jitter of 1 ns

    Hi,

    I would like to capture a jitter of 1 ns. I am looking for sample and hold IC which can hold the peak up to 1 micro second or more. Is there any recommendations on this ?
  10. Replies
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    417

    Closed: Re: Data acquisition using PIC starter kit

    Hi,

    There is a little change in application requirement. I would have 500 kilo 12 bit samples per second and I need to send 10-12 character string with each sample to the PC. I guess USB full...
  11. Replies
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    417

    Closed: Data acquisition using PIC starter kit

    I am having my project requirement to sample the analog data at the rate of 2 Mega samples per second streaming data and send to the PC. I am thinking to use PIC starter kit with USB or Ethernet with...
  12. Replies
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    1,131

    Closed: Re: Soldering on Battery Terminals

    Hi,

    I am trying to get conclusion for soldering the batteries for electric cycle. Do I really need to do spot weld with nickel ?
  13. Replies
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    1,704

    Closed: Re: GPU with general purpose operating system

    Hi, is there any software exist at commercial level which tells the GPU to share the load of CPU having Windows OS ?
  14. Replies
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    1,704

    Closed: Re: GPU with general purpose operating system

    Hi, I guess some core i7 have 8 cpu cores while others have 4 cpu cores, please correct me here.

    Back to the original question: If there is no such general purpose OS exist for GPU based system...
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    1,704

    Closed: GPU with general purpose operating system

    Hi,

    I guess Intel core i5 and core i7 both have 4 processor cores on their chip. The only difference is that there is multi-threading option in core i7. Am I right here ? I am wondering to have...
  16. Replies
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    1,131

    Closed: Re: Soldering on Battery Terminals

    Hi, You mean that conductive resin glue method is better then spot welding ?
  17. Replies
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    1,131

    Closed: Soldering on Battery Terminals

    Hi,

    I am wondering if it is OK to solder directly the battery cell terminals for electric cycle. I am going to replace new cells in the battery. I have watched a video in which they do Spot...
  18. [SOLVED]Closed: TP-Link Gigabit PCI Express Network Adapter - Unstable

    Hi,

    I have attached TP LINK Gigabit PCI Express Network Adapter - TG-3468 in the PCI Express slot of the motherboard on Desktop Windows 10 machine. It appears in the device manage. I need to...
  19. Closed: Maximum number of steps in step recorder windows 10

    Hi,

    I am looking for how many maximum numbers of steps upon mouse click can be recorded in step recorder in windows 10 ?
  20. Closed: Re: Ethernet vs USB discussion and/or comparison

    What is the maximum possible data rate for 1G Ethernet after removing all TCP packet overheads ?
    What is the maximum possible data rate for USB 3.0 after removing packet overheads ?
  21. Closed: Ethernet vs USB discussion and/or comparison

    Hi,

    I am looking for discussion and/or comparison between 1Gbps Ethernet and USB 3.0 with their future perspectives.

    1G Ethernet has bit rate 1 G bits per second while USB 3.0 has 5 G bits...
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    Closed: Re: SD Card not showing 4 GB

    Thanks. It works now.

    diskpart
    list disk
    select disk <disk number>
    create partition primary

    or

    diskpart
  23. Replies
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    Closed: Re: SD Card not showing 4 GB

    Formatting does not work. Nothing comes when I right click on SD Card icon in My Computer and click Quick Format. Is there any way to reset the SD card to factory setting.
  24. Replies
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    Closed: Re: SD Card not showing 4 GB

    Hi,

    Yes diskpart works. It delete the small allocated potion (192 MB) and combine it with 3.5 GB un-allocated. Now the un-allocated portion is 3.69 GB. But there is still problem. Upon right...
  25. Replies
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    Closed: Re: SD Card not showing 4 GB

    There is no important data in SD card. I guess windows 7 blocking something when it comes to delete partition and make new volume and shrink for SD cards etc.

    Is there any free software to...
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