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Recent content by roomy

  1. R

    full adder counter in vhdl code

    hello i need help for my code in test bench .. the code is use IEEE.STD_LOGIC_1164.ALL; entity ff_vhdl is Port(a,b : in std_logic_vector(3 downto 0); cin : in std_logic; s: out std_logic_vector(3 downto 0); cout : out std_logic); end ff_vhdl; architecture structural...
  2. R

    DATA acquisition in Rate Generator usb -1208ls

    hello. every one i have already used DATA Acquisition. but when i use rate Generator. to run i have got a message can not configure my data acquisition (usb-1208ls) please help ......... i send attached thanks
  3. R

    Using laptop in data acqusition and control

    HI, EVERYONE , can anyone has an idea how to used solenoid by using laptop in data acquistion and control. the idea if i have four different colour all go to the tank but before that there is solenoid in each one . how can i control these colour ... THNKS
  4. R

    formula for low pass filter

    i dont have this book is it 1/2piFC OR 1/1+2PIFCR
  5. R

    formula for low pass filter

    hello , can any one write down the formula equation for output low pass filter thanks
  6. R

    DMA controller in microprocessor

    hello, what is the advantages of using DMA controller in microprocessor system to transfer data from memory of video graphic card to main computer memory . thanks
  7. R

    PWM signals could be used within vehicle

    hello, how PWM signals could be used within a vehicle break control system to deliver braking force to a wheel and how control system would convert the braking force into actual PWM control value and i would like improve by a ddition of closed-loop. thanks ..
  8. R

    interrupts functions and advantage

    Hello, How interrupts work in detail and advantage and disadvantage of using interrupts to interface with input device like a video camera ,,
  9. R

    compressor effect in audio signal

    compressor can make the audio of more consistent level and eliminate inconsistencies developed by for example when the singer moving closer to and further froma microphone and also the block diagarm we can used diode as the ninju wrote above but i read about this and i found the tremolo...
  10. R

    compressor effect in audio signal

    i think the compressor can be reduced the out put waveform by reduction amplifier .also this block diagram i posted can be corrected .if any comment please send to this
  11. R

    compressor effect in audio signal

    Thanks every one but i still confused by how a clean audio signal modify by analogue components to give compressed signal effect
  12. R

    compressor effect in audio signal

    hi , do you have block diagram for this compressor effect . thanks
  13. R

    compressor effect in audio signal

    Hello, how a clean audio signal modify by analogue components to give compressed signal effect . thanks
  14. R

    Audio (balance and unbalance line)

    Thankyou. if i said any noise that gets induced into the line will be common to both positive and negative sides in order to cancelled when it arrives it is destination .is this can be correct . which is the method by using differential amplifier to balance line be generated from unbalance...
  15. R

    Audio (balance and unbalance line)

    HI,EVERYONE how can balance line be geneated from unbalanced audio signal? also another question how is the noise induced inaudio cable reduced by use of balance line, i need more information about the above questions, thank
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