#include "systemc-ams.h"#include "../PHC/phc.h"#include "../LP1/lp1.h"#include "../VCO/vco.h"SC_MODULE(pll) {      sca_sdf_in<double>   ref;   sca_sdf_out<double>  lpo, vcoo;      sca_sdf_signal<double>  pco;      SC_CTOR(pll) {         phc i_phc("phc");      i_phc.in1(ref);      i_phc.in2(vcoo);      i_phc.out(pco);      i_phc.kpc = 3.72;         lp1 i_lp1("lp1");      i_lp1.in(pco);      i_lp1.out(lpo);      i_lp1.fp = 112e3;      i_lp1.h0 = 1.0;            vco i_vco("vco");      i_vco.in(lpo);      i_vco.out(vcoo);      i_vco.out.set_delay(1);  // feedback loop!      i_vco.gain = 1.0;      i_vco.kvco = 3e4;      i_vco.fc = 7e6;      i_vco.vfc = 0.0;   }}; // pll