23#ifndef FILTERMODELCONFIG_H
24#define FILTERMODELCONFIG_H
46 static constexpr double Ut = 26.0e-3;
55 const double vmin, vmax;
56 const double denorm, norm;
61 const double voice_voltage_range;
62 const double voice_DC_voltage;
70 unsigned short* summer[5];
71 unsigned short* volume[16];
72 unsigned short* resonance[16];
82 inline double getVoiceVoltage(
float value)
const
84 return value * voice_voltage_range + voice_DC_voltage;
111 void setUCox(
double new_uCox);
124 const double r_N16 = 1. /
N16;
126 for (
int i = 0; i < 5; i++)
128 const int idiv = 2 + i;
129 const int size = idiv << 16;
130 const double n = idiv;
131 const double r_idiv = 1. / idiv;
133 summer[i] =
new unsigned short[size];
135 for (
int vi = 0; vi < size; vi++)
137 const double vin = vmin + vi * r_N16 * r_idiv;
138 summer[i][vi] = getNormalizedValue(opampModel.
solve(n, vin));
153 const double r_N16 = 1. /
N16;
155 for (
int i = 0; i < 8; i++)
157 const int idiv = (i == 0) ? 1 : i;
158 const int size = (i == 0) ? 1 : i << 16;
159 const double n = i * nRatio;
160 const double r_idiv = 1. / idiv;
162 mixer[i] =
new unsigned short[size];
164 for (
int vi = 0; vi < size; vi++)
166 const double vin = vmin + vi * r_N16 * r_idiv;
167 mixer[i][vi] = getNormalizedValue(opampModel.
solve(n, vin));
181 const double r_N16 = 1. /
N16;
183 for (
int n8 = 0; n8 < 16; n8++)
185 const int size = 1 << 16;
186 const double n = n8 / nDivisor;
188 volume[n8] =
new unsigned short[size];
190 for (
int vi = 0; vi < size; vi++)
192 const double vin = vmin + vi * r_N16;
193 volume[n8][vi] = getNormalizedValue(opampModel.
solve(n, vin));
207 const double r_N16 = 1. /
N16;
209 for (
int n8 = 0; n8 < 16; n8++)
211 const int size = 1 << 16;
213 resonance[n8] =
new unsigned short[size];
215 for (
int vi = 0; vi < size; vi++)
217 const double vin = vmin + vi * r_N16;
218 resonance[n8][vi] = getNormalizedValue(opampModel.
solve(resonance_n[n8], vin));
224 unsigned short** getVolume() {
return volume; }
225 unsigned short** getResonance() {
return resonance; }
226 unsigned short** getSummer() {
return summer; }
227 unsigned short** getMixer() {
return mixer; }
229 inline unsigned short getOpampRev(
int i)
const {
return opamp_rev[i]; }
230 inline double getVddt()
const {
return Vddt; }
231 inline double getVth()
const {
return Vth; }
234 inline unsigned short getNormalizedValue(
double value)
const
236 const double tmp =
N16 * (value - vmin);
237 assert(tmp > -0.5 && tmp < 65535.5);
238 return static_cast<unsigned short>(tmp + 0.5);
241 inline unsigned short getNormalizedCurrentFactor(
double wl)
const
244 assert(tmp > -0.5 && tmp < 65535.5);
245 return static_cast<unsigned short>(tmp + 0.5);
248 inline unsigned short getNVmin()
const
250 const double tmp =
N16 * vmin;
251 assert(tmp > -0.5 && tmp < 65535.5);
252 return static_cast<unsigned short>(tmp + 0.5);
255 inline int getNormalizedVoice(
float value)
const
257 return static_cast<int>(getNormalizedValue(getVoiceVoltage(value)));
Definition FilterModelConfig.h:38
void buildVolumeTable(const OpAmp &opampModel, double nDivisor)
Definition FilterModelConfig.h:179
const double Vdd
Positive supply voltage.
Definition FilterModelConfig.h:48
unsigned short * mixer[8]
Lookup tables for gain and summer op-amps in output stage / filter.
Definition FilterModelConfig.h:69
void buildResonanceTable(const OpAmp &opampModel, const double resonance_n[16])
Definition FilterModelConfig.h:205
double uCox
Transconductance coefficient: u*Cox.
Definition FilterModelConfig.h:51
const double Vddt
Vdd - Vth.
Definition FilterModelConfig.h:50
double currFactorCoeff
Current factor coefficient for op-amp integrators.
Definition FilterModelConfig.h:65
const double C
Capacitor value.
Definition FilterModelConfig.h:41
unsigned short opamp_rev[1<< 16]
Reverse op-amp transfer function.
Definition FilterModelConfig.h:76
static constexpr double Ut
Transistor parameters.
Definition FilterModelConfig.h:46
const double Vth
Threshold voltage.
Definition FilterModelConfig.h:49
void buildMixerTable(const OpAmp &opampModel, double nRatio)
Definition FilterModelConfig.h:151
const double N16
Fixed point scaling for 16 bit op-amp output.
Definition FilterModelConfig.h:59
void buildSummerTable(const OpAmp &opampModel)
Definition FilterModelConfig.h:122
double solve(double n, double vi) const
Definition OpAmp.cpp:33
void reset() const
Definition OpAmp.h:102