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Recent content by abdoo

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    implementing Mixed signal design in FPGA

    Hi all, I'm trying to implement a Mixed signal system in an FPGA it consist of: -guassian generation module in verilog (16 bit outputs) coded in SV -Low pass filter (input/output are real typed) = coded in SV -SDM modulator (input real, output is bits)=coded in SV the problem is...
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    Orcad schematic power supply

    Thank you yassin, i had readed the datasheet, but it does not explain how it work (it is about performance and components) i had some question about the circuitery: what is the role of the two diods D1 D4 in the schematic the schottky diode output is directly connected to the V+ pinout ( so...
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    Orcad schematic power supply

    Thank you claus, what is the role of the AP1684!, i did not fnd it in ordcad
  4. A

    Orcad schematic power supply

    Hi all, I'm trying to design a driver for a LED. i had found this schematic: can anybody helps me to undrstand this input 230, LED (6W).
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    Using DPI-C sin function with ModelSim 10.1c

    Hi all, I'm new in using DPI methodology to import C function with ModelSim I'm writing a SystemVerilog code that generate sine wave it useid "sin" function that i had imported using : import "DPI-C" pure function real sin (input real rTheta); but i'm when simulating my code the tool...
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    isuue in the output of my sigma delta modulator

    Thank you Fvm yes i know this but even near minimum and maximum i did not see the pulse density.
  7. A

    isuue in the output of my sigma delta modulator

    hi, i'm trying to design a sigma delta modulator using matlab i'm expecting a digital stream where impulse frequency changes for ex when applying a sine wave as input but what i found is a bit stream with constant frequency i had attached the matlab code, the sample time is Fs *...
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    system Verilog code for sigma delta modulator

    hi all, is there any system Verilog code for a 1 st order sigma delta modulator?
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