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Recent content by tronix

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    Why and Why not use modulation to transmite signal ?

    Hey RatanaReth Why 1. As SSP said antenna size typing error I think?....(it is directly proportional) 2. The baseband channel is not always in best shape to be transmitted e.g. more often than not the channel is band pass and signal is low pass so one needs to transfer the...
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    One hot encoding with combo logic

    One hot encoding hey "one hot encoding" means that you provide separate output f/f for each state. This means at one time only one will be active. Let sat you are designing a 3 bit counter.Normally the output will be of two bits(with one don't care) but with "one hot encoding" output will be...
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    4-bit down counter circuit

    hey brons Just an advice that homework is something where you are supposed to put your own efforts. :D Regards tronix
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    Help me solve a problem from Proakis

    Re: proakis problem Hey y(-3)=x(9)=0 y(-2)=x(4)=0 y(-1)=x(1)=1 y(0)=x(0)=1 y(1)=x(1)=1 y(2)=x(4)=0 and similarly zero for all other values of n So y(n)=1 for n=-1,0,1 =0 elsewhere Regards tronix
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    How to design 4bit divider circuit??

    4-bit divider circuit Hey I think you can not divide a 4bit by 4bit without using a register. You will need one register to store the quotient value and other to store the remainder. Ther are algorithmsfor doing so which use shifting of bits (you can find them in Computer system Organisation by...
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    Check my Z transform problem solution

    Z transform problem Hey mondunno Yes I checked and found the result to be correct (there was an error in the text) Thanks a lot Regards tronix
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    Check my Z transform problem solution

    Hi all I needed to calculate Inverse Z of: H(z)=1/(1-2r*cosΦ*/z+r²/z²) I calculated the answer ro be : r^n*sin(n+1)Φ/sinΦ Whereas Answer given in a text is : r^n*cos(n+1)Φ/cosΦ I need the right the result to progress. Can someone confirm the right answer? Regards tronix
  8. T

    What is the best way to start learning digital design

    Hey My vote is for Digital Circuit and Design by Morris Mano Regards tronix
  9. T

    Which one is better for designing circuits, NAND or NOR ?

    Re: NAND or NOR Hey Rogger123 You can have a look at this The choice depends on logic used eg in CMOS Logic Nand is preferred as it ocuppies less space and NOR is used in pseudo-logic again for same reason (you can refer to CMOS Logic text in Sedra Smith for explanation). Regards tronix
  10. T

    Program in C to read data from a serial port.

    Hey all Thanks for suggestions. I found the code on beyondlogic.org and its working perfect. **broken link removed** Regards and Thanks tronix
  11. T

    Program in C to read data from a serial port.

    Hey all I was having the similar query as posted by Daniz40. I used the example of inportb command as given in help of turboC and supplied data to serial port by using a microcontroller. But it displayed the default 0x0 as the data read. Can someone identify the problem here. Regards tronix
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    How do we calculate the resonant frequency of series circuit?

    Resonant Frequency` Hi watertreader I would suggest a general method to calculate resonant frequency without getting into weather the ckt a series one or a parellel one. Calculate Source V/I (or Impedence when looked into powersource terminals). Equate imaginary part of this impedence to...
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    How to implement 4:1 mux and 2:1 mux as a Nor gate?

    Interview Q Hi p_shinde Look what a nor gate does.Assume A and B are inputs. If B zero it passes the (A complement) to output. if B is one then output is '0'. Now connect B to select A' to LSB input and logic 1 to MSB input Regards tronix
  14. T

    How to make XOR gate using 2x1 multiplexer?

    ways to build an xor gate out of nand gates I think perfectly okay a solution Added after 1 minutes: similar to what nand_gates wrote and perfectly okay
  15. T

    What is the best software for VHDL?

    hey Xilinx ISE is good.Its quite a heavy software as compared to many others but then thats a small price paid for advantages like graphical input testbench and performance. Regards tronix

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