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Recent content by chinara

  1. C

    Recommend a FIFO chip

    I need a FIFO chip You also can use cpld to build a fifo
  2. C

    Why we care about set-up time violations in FPGA analysis?

    Re: FPGA Timing Analysis Because if hold time is zero, it should be enough.
  3. C

    Transmission Line interview problem?

    I think it should be 0.5V. Added after 1 minutes: Because the resistance of the line is 50 and load is also 50 so no reflection. But the source resistance is 50 as well. So only 0.5v is on the line and the load.
  4. C

    Need help for Ethernet Switch and VLAN.

    Why read documents. How about ask me directily
  5. C

    Where is network processor generally used?

    Re: network processor I have a lot experience on this. Any questions?
  6. C

    ---->Interrupt Enabling for Parallel Port

    You may firstly check which Message is bound with the interrupt vector. Then trap that Message to trigger your function.
  7. C

    Control parallel port over LAN or internet ?

    It is a little like the network share printer. I think it is easy to implement.
  8. C

    resistance to voltage converter

    convert resistance to voltage Use regulator, such as 7805, to convert the 50V to 5V. The you should make sure the current is not too high.
  9. C

    what is hot-topic in digital design now?

    I believe the channel decode is another high profit field.
  10. C

    Glitches at transitions in DAC

    Re: Question about DAC I believe this depend on the current circle between the DAC and the receiver. If the current circle is broken by a slot, a error data may be produced.
  11. C

    Cross talk problem connected to the transformer

    Re: Cross talk problem I do not have much experience on Audio circuit. But, from you pcb, I have several questions: First, it seems that the pcb do not have a dedicated layer for gnd, and is this ok for the current circle? Second, the power filter capcitors is a little far from the chip, is...
  12. C

    UTOPIA to Ethernet. How?

    Fpga may be a good solution. The Mot CPU with Utopia and Ethernet could run at line speed, espeically in Utopia, limited by the performance of CPM. I have designed a device that could transfer 24 ethernet ports to ATM. Please go and see the web site www.raisecom.com
  13. C

    use serial devices in VxWorks

    Yes, I have. What is your question?
  14. C

    How to make a USB Storage Reader without PC ??????

    I think you could use some embedded processor with USB.

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