LNA Results

TF

Transfer function. When ports are used as described earlier, the transfer function describes the relationship between input voltage and output current.

Y

Complex Y admittance parameter matrix, I = YV

where I = vector of output currents, V = vector of input voltages

Z

Complex Z impedance parameter matrix, V = ZI

S

Complex S scattering parameter matrix, B = SA

where E_i = vector of incident waves, E_r = vector of reflected waves,
V = E_i + E_r, I = (E_i - E_r)/Z₀, Z₀ = characteristic impedance,
A = E_i/Z₀, B = E_r/Z₀

GD

Real Group Delay,

where φ_ij=phase(S_ij)

RHOi

Complex Reflection coefficient,

RTLi

Real Return loss

VSWRi

Real Voltage standing wave ratio,

Onoise

N×N matrix of square roots of noise power spectra (Volt/Hz^½ or Amp/Hz^½).

Inoise

Input-referred noise.

FMIN

Real Minimum noise figure power ratio. FMIN is derived from fundamental noise quantities.

NF

Real Noise figure power ratio. NF is derived from fundamental noise quantities. The reference temperature for the source (port) used in NF calculations is 27 degrees Celsius.

NT

Real Equivalent noise temperature,

RN

Real Equivalent normalized noise resistance ratio. RN is derived from fundamental noise quantities.

RNU

Real Equivalent un-normalized noise resistance,

GOPT

Complex Optimum noise figure reflection coefficient,

YOPT

Complex Optimum noise figure source admittance,

_{where Go and Bo are derived from fundamental noise quantities.}

ZOPT

Complex Optimum noise figure source impedance,

ABCDij

Complex ABCD parameters (chain parameters).

Hij

Complex Hybrid parameters

Gij

Complex Inverse Hybrid parameters, G = H^-1

GA

Available power gain,

GFMN

Gain when the input impedance (Zopt) is used to achieve minimum
noise figure (FMIN)

GMAX

Real Maximum available gain,

GML

Complex Optimum gain reflection coefficient for Load at maximum available gain (GMax),

where

and

GMS

Complex Optimum gain reflection coefficient for Source at maximum available gain (GMax), _,

where

and

GP

Power gain,

TG

Transducer power gain,

MSG

Real Maximum stable gain,

UPG

Unilateral power gain,

YMS

Source admittance at maximum available gain (GMAX),

where Z_S is the source impedance.

YML

Load admittance at maximum available gain (GMAX),

where Z_L is the load impedance.

ZMS

Source impedance at maximum available gain (GMAX)

ZML

Load impedance at maximum available gain (GMAX),

YIN

Input admittance with port 2 terminated,

where Y_L is the load admittance.

YOUT

Output admittance with port 1 terminated,

where Y_S is the source admittance.

ZIN

Input impedance with port 2 terminated,

where Z_L is the load impedance.

ZOUT

Output impedance with port 1 terminated,

where Z_S is the source impedance.

B1

B1 term of the stability factor,_.

where_.

K

Real Stability factor k

MU

Real Stability factor mu

KCSR

Real Stability circle radius for Source,

KCLR

Real Stability circle radius for Load,

KCSO

Complex Stability circle origin for Source,

KCLO

Complex Stability circle origin for Load

VGIO

Complex Voltage gain input-output,

VGIN

Complex Voltage gain insertion,

VGSL

Complex Voltage gain source-load,