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Ansoft Designer / Ansys Designer 在线帮助文档:


System Simulator >
System Component Models >
Filters >
   Pole Zero Band Pass Filter (POLEZEROBPF)       

Pole Zero Band Pass Filter (POLEZEROBPF)

 

[spacer]

 


Properties

Description

Units

Default

Range

RP

RP1, RP2, RP3,...:List of real parts of the poles

None

0

-INF, INF

IP

IP1, IP2, IP3, ...: List of imaginary parts of the poles

None

0

-INF, INF

RZ

RZ1, RZ2, RZ3, ...: List of real parts of the zeros

None

0

-INF, INF

IZ

IZ1, IZ2, IZ3, ...: List of imaginary parts of the zeros

None

0

-INF, INF

FC

Center frequency

Hz

Required

> 0

BW

3-dB bandwidth

Hz

Required

> 0

GF

Gain factor

None

1

-INF, INF

R1

Resistive part of reference impedance at port 1

Ohm

50.

>0

X1

Reactive part of reference impedance at port 1

Ohm

0.

-INF,INF

R2

Resistive part of reference impedance at port 2

Ohm

50.

>0

X2

Reactive part of reference impedance at port 2

Ohm

0.

-INF, INF


 

Notes

1. The transfer function is:


where





and F is the analysis frequency.

2. At least one pole must be supplied.

Netlist Form

POLEZEROBPF:NAME n1 n2 RP1=val RP2=val...

IP1=val IP2=val ... FC=val BW=val [GF=val] [R1=val] [X1=val] [R2=val] [X2=VAL]

Netlist Example

POLEZEROBPF:1 1 2 RP1=-0.1564 IP1=0.9877 RP2=-0.5164

+ IP2=-0.9877 RP3=-0.454 IP3=0.891 RP4=-0.454

+ IP4=-0.891 RP5=-0.7071 IP7=0.454 RP8=-0.891 IP8=-0.454

+ RP9=-0.988 IP9=0.156 RP10=-0.988 IP10=-0.156

+ FC=1kHz BW=0.5kHz




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