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Netlist Form

An instance of an ideal gain/loss model has the following Nexxim netlist syntax:

Axxx n1 n2 [GAIN=val] [LFC=val] [HFC=val] [HROF=val]
[ISWR=val] [OSWR=val] [INPUT_PHASE=val] [OUTPUT_PHASE=val] [PG=val]
[BEL=val] [FMIN=val] [MGO=val] [PGO=val] [RN=val]
[RO=val] COMPONENT=gain_loss

n1 and n2 are the nodes connected to the gain/loss model. The entry COMPONENT=gain_loss identifies the element as an ideal gain/loss model.

**Ideal Gain/Loss Model Instance Parameters**
Parameter	Description	Units	Default
GAIN	Gain or loss (MS21)	dB	0
LFC	Low frequency cutoff	Hz	0
LROF	Low frequency roll-off slope	None	0
HFC	High frequency cutoff	Hz	0
HROF	High frequency roll-off factor	None	0
ISWR	Input standing wave ratio	None	1
OSWR	Output standing wave ratio	None	1
INPUT_PHASE	Input reflection phase	Degree	0
OUTPUT_PHASE	Output reflection phase	Degree	0
PG	Input-to-output phase delay	Degree	0
BEL	Band edge limit	dB	-3
FMIN	Minimum noise figure	dB	0
MGO	Magnitude of optimum noise figure reflection coefficient	None	0
PGO	Phase of optimum noise figure reflection coefficient	Degree	0
RN	Real equivalent normalized noise resistance	Ohm	0
RO (R0)	Reference impedance	Ohm	50

Notes

1. This component may be used as an amplifier, a filter, or an attenuator.

2. The formulation is ideal with S12=0.

3. The GAIN element will compute the noise properties when the noise parameters FMIN, MGO, PGO, and RN are specified.


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Ideal Gain/Loss Model

Netlist Form

Netlist Example

Notes