Код: Выделить всё
//============================================================================
//ФОРМИРОВАТЕЛЬ АНАЛИТИЧЕСКОГО СИГНАЛА НА ОСНОВЕ КВАДРАТУРНОГО ПРЕОБРАЗОВАТЕЛЯ
//============================================================================
wire signed [23:0]DOut_I;
wire signed [23:0]DOut_Q;
QUADRATUR_MIXER DIGITAL (
.clk(clk),
.DATA_I(fir_data_I[23:0]),
.DATA_Q(fir_data_Q[23:0]),
.cosine(ncos[15:0]),
.sine(ncos[15:0]),
.DATA_I_OUT(DOut_I), //25bit
.DATA_Q_OUT(DOut_Q) //
);Код: Выделить всё
`timescale 1 ns / 1 ns
//============================================================================
//ФОРМИРОВАТЕЛЬ АНАЛИТИЧЕСКОГО СИГНАЛА НА ОСНОВЕ КВАДРАТУРНОГО ПРЕОБРАЗОВАТЕЛЯ
//============================================================================
module QUADRATUR_MIXER(
input wire clk,
input wire signed [22:0]DATA_I,
input wire signed [22:0]DATA_Q,
input wire signed [22:0]cosine,
input wire signed [22:0]sine,
output wire signed [23:0]DATA_I_OUT,
output wire signed [23:0]DATA_Q_OUT
);
//===================================================================
wire signed [22:0]I_cosine;
Mixer #(.WIDTH(23))mix_cos_I( //I * cos
.clk(clk),
.ADC_Data(DATA_I[22:0]),
.DDS_Data(cosine[22:0]), // input signed [WIDTH-1:0]
.OUT_Mixer(I_cosine[22:0]) // output [19:0]
);
wire signed [22:0]Q_sine;
Mixer #(.WIDTH(23))mix_sin_Q(// Q * sin
.clk(clk),
.ADC_Data(DATA_Q[22:0]),
.DDS_Data(sine[22:0]), // input signed [WIDTH-1:0]
.OUT_Mixer(Q_sine[22:0]) // output [19:0]
);
assign DATA_I_OUT = I_cosine + Q_sine;//A
//===================================================================
wire signed [22:0]Q_cosine;
Mixer #(.WIDTH(23))mix_cos_Q(// Q * cos
.clk(clk),
.ADC_Data(DATA_Q[22:0]),
.DDS_Data(cosine[22:0]), // input signed [WIDTH-1:0]
.OUT_Mixer(Q_cosine[22:0]) // output [19:0]
);
wire signed [22:0]M_I_sine;
Mixer #(.WIDTH(23))mix_sin_I( // I * -sin
.clk(clk),
.ADC_Data(DATA_I[22:0]),
.DDS_Data(~sine[22:0]), // input signed [WIDTH-1:0]
.OUT_Mixer(M_I_sine[22:0]) // output [19:0]
);
assign DATA_Q_OUT = Q_cosine + M_I_sine;//B
endmodule