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Transformer, Impedance Model

Netlist Form

An instance of a transformer, impedance model, has the following Nexxim netlist syntax:

Axxx n1 n2 n3 n4 R1=val R2=val COMPONENT=trfnc

n1 through n4 are the nodes connected to the transformers. COMPONENT=trfnc identifies the element.

**Transformer, Impedance Model Instance Parameters**
Parameter	Description	Units	Default
R1	Impedance seen from coil 1 when R2 is connected to coil 2	Ohm	50
R2	Impedance seen from coil 2 when R1 is connected to coil 1	Ohm	50

Atrfnc 1 2 3 4 R1=50 R2=12.5

1. The relative polarity can be reversed by entering a negative value for R1 or R2.

2. The turns ratio N is related to the impedance levels R1 and R2 through:

_.


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