23#ifndef FILTERMODELCONFIG_H
24#define FILTERMODELCONFIG_H
55 const double vmin, vmax;
56 const double denorm, norm;
64 const double voice_voltage_range;
65 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 for (
int i = 0; i < 5; i++)
126 const int idiv = 2 + i;
127 const int size = idiv << 16;
128 const double n = idiv;
130 summer[i] =
new unsigned short[size];
132 for (
int vi = 0; vi < size; vi++)
134 const double vin = vmin + vi /
N16 / idiv;
135 summer[i][vi] = getNormalizedValue(opampModel.
solve(n, vin));
150 for (
int i = 0; i < 8; i++)
152 const int idiv = (i == 0) ? 1 : i;
153 const int size = (i == 0) ? 1 : i << 16;
154 const double n = i * nRatio;
156 mixer[i] =
new unsigned short[size];
158 for (
int vi = 0; vi < size; vi++)
160 const double vin = vmin + vi /
N16 / idiv;
161 mixer[i][vi] = getNormalizedValue(opampModel.
solve(n, vin));
175 for (
int n8 = 0; n8 < 16; n8++)
177 const int size = 1 << 16;
178 const double n = n8 / nDivisor;
180 volume[n8] =
new unsigned short[size];
182 for (
int vi = 0; vi < size; vi++)
184 const double vin = vmin + vi /
N16;
185 volume[n8][vi] = getNormalizedValue(opampModel.
solve(n, vin));
199 for (
int n8 = 0; n8 < 16; n8++)
201 const int size = 1 << 16;
203 resonance[n8] =
new unsigned short[size];
205 for (
int vi = 0; vi < size; vi++)
207 const double vin = vmin + vi /
N16;
208 resonance[n8][vi] = getNormalizedValue(opampModel.
solve(resonance_n[n8], vin));
214 unsigned short** getVolume() {
return volume; }
215 unsigned short** getResonance() {
return resonance; }
216 unsigned short** getSummer() {
return summer; }
217 unsigned short** getMixer() {
return mixer; }
219 virtual Integrator* buildIntegrator() = 0;
221 inline unsigned short getOpampRev(
int i)
const {
return opamp_rev[i]; }
222 inline double getVddt()
const {
return Vddt; }
223 inline double getVth()
const {
return Vth; }
226 inline unsigned short getNormalizedValue(
double value)
const
228 const double tmp =
N16 * (value - vmin);
229 assert(tmp > -0.5 && tmp < 65535.5);
230 return static_cast<unsigned short>(tmp + 0.5);
233 inline unsigned short getNormalizedCurrentFactor(
double wl)
const
236 assert(tmp > -0.5 && tmp < 65535.5);
237 return static_cast<unsigned short>(tmp + 0.5);
240 inline unsigned short getNVmin()
const
242 const double tmp =
N16 * vmin;
243 assert(tmp > -0.5 && tmp < 65535.5);
244 return static_cast<unsigned short>(tmp + 0.5);
247 inline int getNormalizedVoice(
float value)
const
249 return static_cast<int>(getNormalizedValue(getVoiceVoltage(value)));
Definition FilterModelConfig.h:40
void buildVolumeTable(const OpAmp &opampModel, double nDivisor)
Definition FilterModelConfig.h:173
const double Vdd
Transistor parameters.
Definition FilterModelConfig.h:47
unsigned short * mixer[8]
Lookup tables for gain and summer op-amps in output stage / filter.
Definition FilterModelConfig.h:69
const double Ut
Thermal voltage: Ut = kT/q = 8.61734315e-5*T ~ 26mV.
Definition FilterModelConfig.h:49
void buildResonanceTable(const OpAmp &opampModel, const double resonance_n[16])
Definition FilterModelConfig.h:197
double uCox
Transconductance coefficient: u*Cox.
Definition FilterModelConfig.h:50
const double Vddt
Vdd - Vth.
Definition FilterModelConfig.h:51
double currFactorCoeff
Current factor coefficient for op-amp integrators.
Definition FilterModelConfig.h:62
const double C
Capacitor value.
Definition FilterModelConfig.h:43
unsigned short opamp_rev[1<< 16]
Reverse op-amp transfer function.
Definition FilterModelConfig.h:76
const double Vth
Threshold voltage.
Definition FilterModelConfig.h:48
void buildMixerTable(const OpAmp &opampModel, double nRatio)
Definition FilterModelConfig.h:148
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:104