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Recent content by primozb

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    GSM passive receiver normal burst detection

    I can now answer this question to myself. The problem was in bad frequency offset value. Solved.
  2. P

    GSM passive receiver normal burst detection

    Hi I am experimenting with capturing bursts from my mobile phone on uplink. What I basically did is that I followed this paper where a concept of GSM passive receiver is described in this document link. In one sentence, the described concept is to locate start of normal burst by correlating...
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    Which free editor is best for VHDL/Verilog?

    I use Eclipse with veditor plugin (https://sourceforge.net/projects/veditor/)
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    MMCME2 problem in PL

    In my experience such strange kind of problems (in simulation works, implemented design does not) were some times related to tools optimizations. In such strange cases I usually check implemented design (Open Implemented design) and check where nets and primitives of related logic are. p.s. I...
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    Pins on the Zynq FPGA

    For the peripherals (UART, SPI, I2C, CAN, USB, ...) that are part of Zynq micro-controller (part of PS) you can select if peripherals pins are MIO or EMIO. MIO pins are predefined, you can pick pins from predefined sets of possible pin connections for the particular PS peripheral. If you run...
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    [SOLVED] timing constraints in zynq 7020

    ZYNQ is SoC (system on chip). Aside PL (FPGA fabric) there is also uController (CPU and some peripherals). Among those uController peripherals there are 2x I2C (master or slave) controllers ready to use. You don't need to do any FPGA time constraint for uController peripherals, you just connect...
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    [moved] camera interfacing with fpga

    There is open source project to interface Rasberry Pi camera module to Xilinx ZYNQ PL. There you could find some starting points for how to interface camera module to get picture frames into FPGA. Search also in forums for how to interface MIPI camera module (Rasberry Pi camera is MIPI CSI-2) to...
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    [moved] camera interfacing with fpga

    Rasberry Pi camera module is one option which can be interfaced with Spartan6 SERDES fabiric.
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    Can I use wavelet transform for video compression

    Discrete WT tree structure suits very well to digital computation. Signal or video (ADC count row or pixel color row) doesn't matter. Once you have DWT coefficients you decide which way to compress (Run Length, ...).
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    Tabula spacetime routing technology

    Hi, I came across this **broken link removed** technology info (or Google for Tabula Spacetime routing). On link there is a nice video presentation explaining this new technology benefits. I am working with HDL (Xilinx chips and tools) long enough, to learn that the major challenge of writing...

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