---

sdata.h File Reference

More...

#include "global.h"
#include "device.h"

Go to the source code of this file.

Compounds
class	sdata
	sdata holds linear circuit data, including scattering matrix, noise correlation matrix, and source vector. More...
class	ydata
	ydata holds linear circuit data in admittance form: admittance matrix, voltage source vector, and current noise correlation matrix. More...
class	ydata_ptr
	ydata_ptr is like ydata, except it only holds pointers to admittance matrix, voltage source vector, and current noise correlation matrix held elsewhere. More...
class	zdata
	zdata holds linear circuit data in impedance form: impedance matrix, voltage source vector, and voltage noise correlation matrix. More...
Functions
void	compute_passive_noise (sdata &d, double freq, double Temp)
	Calculate the noise matrix for a passive element from the scattering matrix, temperature, and frequency. More...
void	compute_passive_noise (ydata &d, double freq, double Temp)
	Calculate the noise matrix for a passive element from the admittance matrix, temperature, and frequency. More...
void	compute_passive_noise (zdata &d, double freq, double Temp)
	Calculate the noise matrix for a passive element from the impedance matrix, temperature, and frequency. More...
double	passive_noise_temp (double freq=device::f, double Temp=device::T)
	Calculate the effective passive noise temperature, including quantum noise, as a fuction of physical temperature and frequency. More...

---

Detailed Description

Author(s):

Jonas Zmuidzinas , John Ward , Frank Rice

Date:

November 5, 1997

Definition in file sdata.h.

---

Function Documentation

void compute_passive_noise ( zdata & d, double freq, double Temp ) [inline]

Calculate the noise matrix for a passive element from the impedance matrix, temperature, and frequency. Parameters: d   the known impedance matrix and noise matrix to be calculated freq   the frequency Temp   the temperature of the passive device Definition at line 409 of file sdata.h. Referenced by current_sink::recalc(), voltage_source::recalc(), generator::recalc(), attenuator::recalc(), and current_sink::recalc_S().

void compute_passive_noise ( ydata & d, double freq, double Temp ) [inline]

Calculate the noise matrix for a passive element from the admittance matrix, temperature, and frequency. Parameters: d   the known admittance matrix and noise matrix to be calculated freq   the frequency Temp   the temperature of the passive device Definition at line 398 of file sdata.h.

void compute_passive_noise ( sdata & d, double freq, double Temp ) [inline]

Calculate the noise matrix for a passive element from the scattering matrix, temperature, and frequency. Parameters: d   the known scattering matrix and noise matrix to be calculated freq   the frequency Temp   the temperature of the passive device Definition at line 387 of file sdata.h.

double passive_noise_temp ( double freq = device::f, double Temp = device::T )

Calculate the effective passive noise temperature, including quantum noise, as a fuction of physical temperature and frequency. Parameters: freq   the frequency, defaults to device::f Temp   the temperature, defaults to device::T Returns: the noise temperature in standard units Definition at line 62 of file sdata.cc.

---

Please direct comments and corrections to supermix@submm.caltech.edu
Go to the supermix home page
Generated by 1.2.7