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Recent content by kavitha_bonthu

  1. K

    Digital signal processing on FPGA

    Hello, Any one working on FPGA-based digital signal processing in Malaysia.. Thank you
  2. K

    Information regarding timing recovery in QPSK demodulator

    Regading timing recovery Hello every body Need information regarding timing recovry in QPSK demodulator Thank you
  3. K

    QPSK-OFDM Transmitter and QPSK transmitter

    Regarding OFDM hello every body I would like to know the difference in transmitted power for QPSK-OFDM Transmitter and QPSK transmitter in same conditions Does QPSK-OFDM system requires more power tha n QPSK system??? Regards
  4. K

    Xilinx FFT ipcore with ADC question

    xilinx adc Hello............ You can compute the FFt of a real signal by giving imaginary part to be zero.......... So for xilinx FFT core you can just give the ADC o/p to real input and make Imaginary input to be always zero........ Hope you get my point........
  5. K

    Regarding DQPSK demodulator

    Hello every body...... I have a doubt in DQPSK demod. In any QPSK/DQPSK modultor transmitted signal is COSINE(fc+(2i-1)*pi/4); We are using DQPSK modulator and needed to demodulate the data......... we are using non choherent demodulator. Can any one help in non choherent demodulator...
  6. K

    REgarding PSK and ASK - help needed

    REgarding PSK and ASK Hello every body Can any body clarify my doubt. Theoretically speaking any PSKmodulted signal have constant amplitude.Where as in ASK amplitude of the signal shifts praportional to Base band signal. My doubt is in Practical cases we use pulse shsping filters in order to...
  7. K

    Need books foe OFDM,OFDMA basics

    ofdma basics Hello every body please suggest me good books for learning basics of OFDMA and OFDM Thank you
  8. K

    Looking for a detailed block diagram of QPSK modulator

    Hello every body In QPSK modulator block where do we use raised cosine filter for shaping the signal. I would be glad if any body give me the detailed block diagram of QPSK modulator Thank you
  9. K

    Writing code for different bit rates in one of application

    Re: Writing code for different bit rates in one of applicati Does altera have Muxing buffers. If so u can try using global muxing buffers.
  10. K

    What's the best book on equalisers?

    Hello every body Can any one tell me the best book for learning basics about equalisers What are the main applications and What are the main parameters to be considered to design an equaliser Thank you in advance
  11. K

    Regarding dualport RAM

    Hello kalyan srinivas Thanks for your info .... Which SRAM you are using is it possible to send your HDL code
  12. K

    Regarding dualport RAM

    Hello every body I want to program external Synchronous dualport Ram through FPGA(xilinx) We have tied thye CE(active low) to always low. All other signal s are programmed correctly,still out put is not coming. is it must to toggle CE. We are using Cyprus Synchronous dualport Ram(512kx18).
  13. K

    Xilinx System Generator Help!!

    rom block in system generator insted of giving the eqation in the block ROm, you can enter the data in square brackets seperated by , Ex:[x,y,z].
  14. K

    how to stop a counter

    can you elobarate the question
  15. K

    setting baudrate for vhdl code of uart

    uart vhdl hello every body I need HDL code for UART. Need to send the samples(14 bit width) which are coming in to the FPGA,To PC using UART
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