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Recent content by Malek Lamari

  1. M

    Azure RTOS for STM32H7 family of MCUs

    Hi all, STMicroelectronics just introduced the Azure RTOS for its STM32H7 family of MCUs. It is still in beta phase, but it includes the ThreadX RTOS plus FileX filesystem and USBX (USB device and host stack) and NetXDuo networking stack. The port is currently supported for STM32H7 family of...
  2. M

    PCI Express Soft IP Core

    PCI Express uses high speed serdes systems which are technology-dependent. For that reason it is often hard-coded in the FPGA fabric.
  3. M

    Verilog code for pid controller

    He asks about PID design, not PID tuning !
  4. M

    how to assign voltages using 0-16 hexadecimal numbers

    Hi, use an R2R DAC. http://www.avr-asm-tutorial.net/avr_gra/r2r_buffered.gif here more clear image: **broken link removed** change the values of the resistors to assign the voltages that you wanted
  5. M

    TSOP2238 Library for Altium

    Hi, I am looking for a library for the TSOP2238 IR receiver for Altium. I can't find it in google, please help :sad:
  6. M

    [MOVED] RF pulse transmitter and receiver of 10km radius

    But radio of china uses a +10kW tower with a very high gain antenna. Bocbranch, you can do the calculation using the rule of what called link budget: PRX = PTX + PTX + GTX + GRX - LTX - LFS - LP - LRX PRX = received power (dBm) PTX = transmitter output power...
  7. M

    need idea for a for loop like hardware implementation

    Hi, use a state machine (FSM).
  8. M

    Heterodyne transmitter design

    Hi, so the input signal must be sampled at IF (70 MHz) and feed to the first stage up-converter witch will translate it to IF_2 (800MHz-2GHz) wich in turn will be feed to the second stage mixer/upconverter so that it will be translated to the desired 30GHz band. LO_1 = (800MHz-2GHz) - 70MHz LO_2...
  9. M

    BRAM ROM Implementation in VHDL

    Where is the problem then :) do what you are talking about ! generate the core using CoreGenerator, then instantiate it in your design and assign to the WEA (write enable of port A) in the port mapping a constant value '0' (this pin is active high). and don't forget when generating the code to...
  10. M

    Design of a Battery-free Wireless Sensor Node

    great ! "take intou account copper lines" ==> you mean that circuit lines can have microstrip filter effects that can attenuate the power ? thnaks :)
  11. M

    Design of a Battery-free Wireless Sensor Node

    thanks, so, in the case of TV signal, witch antenna is the most suitable ? Yagi ? in first stage, i am planing to prototype the system, can i use typical components (not SMD ones) ? thanks in advance :)
  12. M

    Design of a Battery-free Wireless Sensor Node

    great, now what about feasibility of a system that harvest power from TV signals ?
  13. M

    Design of a Battery-free Wireless Sensor Node

    In the ADS model of the circuit, the load was replaced with a DC current generator of 5uA. why? how did you calculate it ? tanks :)
  14. M

    Design of a Battery-free Wireless Sensor Node

    Hi, a good quality project. can i ask you about the power of the output of the source ?
  15. M

    testing xilinx spartan board.

    Hi, Use onboard LEDs and 7-segment display
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