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Ansoft Designer / Ansys Designer 在线帮助文档：

Nexxim Simulator >
Nexxim Component Models >
Nexxim Ideal Microwave >
   Directional Coupler, 4-Port       

Directional Coupler, 4-Port

 

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Netlist Form

An instance of a 4-port directional coupler has the following Nexxim netlist syntax:

Axxx n1 n2 n3 n4 [COUPLING=val] [LOSS=val] [DIRECTIVITY=val]
[VSWRM=val] [VSWRC=val] [ZREF=val] COMPONENT=coupler4

n1, n2, n3 and n4 are the nodes connected to the coupler. The entry COMPONENT=coupler4 identifies the element as a 4-port directional coupler.

 


Four-Port Directional Coupler Instance Parameters

Parameter

Description

Units

Default

COUPLING

Coupling factor

dB

20

LOSS

Main arm insertion loss

dB

3

DIRECTIVITY

Directivity

dB

100

VSWRM

Voltage standing wave ratio of the main arm

dB

1

VSWRC

Voltage standing wave ratio of the coupled arm

dB

1

ZREF (R0)

Reference Impedance

Ohm

50

Netlist Example

Acoup4 11 21 13 44 COUPLING=25 COMPONENT=coupler4



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