VHDL implementation of a polyphase filter bank with polyphase filter and 5ndft
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  1. library ieee;
  2. USE ieee.std_logic_1164.all;
  3. USE work.POLY_FIR_PKG.all;
  4. package coeff_fir is
  5. CONSTANT fir_coeffs_generated : vect_polyfir_coeffs_in := (X"04",X"00",X"00",X"00",X"00",X"00",X"ff",X"ff",X"ff",X"fe",X"fe",X"fe",X"fd",X"fd",X"fc",X"fc",X"fb",X"fb",X"fa",X"fa",X"f9",X"f9",X"f9",X"f8",X"f8",X"f8",X"f7",X"f7",X"f7",X"f8",X"f8",X"f8",X"f9",X"f9",X"fa",X"fb",X"fc",X"fe",X"ff",X"01",X"02",X"04",X"07",X"09",X"0b",X"0e",X"10",X"13",X"16",X"19",X"1c",X"1f",X"22",X"25",X"27",X"2a",X"2d",X"30",X"32",X"35",X"37",X"39",X"3b",X"3d",X"3f",X"40",X"41",X"42",X"42",X"42",X"42",X"42",X"42",X"41",X"40",X"3f",X"3d",X"3b",X"39",X"37",X"35",X"32",X"30",X"2d",X"2a",X"27",X"25",X"22",X"1f",X"1c",X"19",X"16",X"13",X"10",X"0e",X"0b",X"09",X"07",X"04",X"02",X"01",X"ff",X"fe",X"fc",X"fb",X"fa",X"f9",X"f9",X"f8",X"f8",X"f8",X"f7",X"f7",X"f7",X"f8",X"f8",X"f8",X"f9",X"f9",X"f9",X"fa",X"fa",X"fb",X"fb",X"fc",X"fc",X"fd",X"fd",X"fe",X"fe",X"fe",X"ff",X"ff",X"ff",X"00",X"00",X"00",X"00",X"00",X"04");
  6. end package coeff_fir;