INDEX 



79 



Power spectral densities, 11 



Reciprocal imbedding, 59 



Reduction of number of terminal pairs, 32, 



56 

 Robinson, F. N. H., 3 

 Rothe, H., 46, 47 



Scattering-matrix representation, 69 

 Self-power spectral densities, 10 

 SemideJBnite matrix, 11, 16 

 Signal-to-noise ratio, 1, 73 

 Single-frequency noise performance, 1, 73 

 Spectral densities, cross-power, 10 



power, 11 



self-power, 10 

 Spot-noise figure, 2 



Stationary-value problem, eigenvalue formu- 

 lation of, 21 



matrix formulation of, 19 

 Stationary values of exchangeable power, 

 22 



T-matrix representation, 34, 39, 40 

 Terminal-voltage and current vector, 38 

 Thevenin representation, 14 

 Trace of characteristic-noise matrix, 23 

 Transformation, lossless, 9, 12, 19, 61 

 w-to-w-terminal-pair network, 6, 25 

 »-to-one-terminal-pair network, 6, 18 

 Transformation from one matrix representa- 

 tion to another, 35 

 Transformation network, 12 

 Transistor amplifiers, 59 

 Twiss, R. Q., 26 



Unilateral ampUfier, 71 



Unilateral amplifier with U > 1, 71 



Unilateral gain U, 59 



Vacuum tube, 59, 66 

 van der Ziel, A., 2, 68 

 Vector, noise column, 47, 66 



Wideband amplifiers, 74 



