presentation best on management by malikzaka

VIEWS: 28 PAGES: 16

									GROUP MEMBERS
   SIKANDAR NAWAZ
  AHSAN ALI BUKHARI
     AHSAN IQBAL
    SHOAIB HASSAN
 IMPLEMENTING A
PARALLEL IIR FILTER
TRANSFER FUNCTION

    H(Z)= 1+2z-1+z-2
     1-0.75z-1+0.125z-2



           •
TRANSITION BAND FROM 0.4 Pi TO 0.90 Pi
    CUTTOFF FREQUENCY 0.95 Pi
         PHASE RESPONSE

                                                            Phase Response


                      0




                    -0.5




                     -1
  Phase (radians)




                    -1.5




                     -2




                    -2.5




                     -3




                           0   0.1   0.2   0.3   0.4                0.5               0.6   0.7   0.8   0.9
                                                   Normalized Frequency ( rad/sample)
REDUCTORS:-
  REDUCTOR NO 1:-
  REDUCTOR NO 2:-
  REDUCTOR NO 3:-
  REDUCTOR NO 4:-
  REDUCTOR NO 5:-
MULTIPLIERS

  MULTIPLIER NO 1:-
  MULTIPLIER NO 2:-
  MULTIPLIER NO 3:-
  MULTIPLIER NO 5:-
  MULTIPLIER NO 4:-
STORIING AND USING A
  PREVIOUS VALUE
module mainbody(check,ip,clk,op,previous);
                  input clk;
               input [7:0]ip;
                input check;
              output [15:0]op;
       wire [15:0]m1,m2,m3,m4,m5;
           output [7:0]previous;
             reg [7:0]previous;
         always @(posedge clk )
                    begin
               case (check)
           1'b0: previous = 8'b0;
                   endcase
                     end
           multiplier1 o1(ip,m1);
           multiplier2 o2(ip,m2);
           multiplier3 o3(ip,m3);
       multiplier4 o4(previous,m4);
       multiplier5 o5(previous,m5);
               reg [15:0]op;
          always @(posedge clk)
                    begin
     assign op=m1+m2-m3+m4+m5;
               case (check)
            1'b1: previous = ip;
            1'b1: previous = ip;
                   endcase
                     end
                 endmodule
THANKS

								
To top