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Nexxim Simulator >
Nexxim Component Models >
Nexxim Ideal Microwave >
   Ideal Gain/Loss Model       

Ideal Gain/Loss Model

 

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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


Netlist Example

Again2 11 21 GAIN=3 COMPONENT=gain_loss

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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