HFSS Antenna Design Kit - edatop.com · Ansoft HFSS Antenna Design Kit Design Parameters ... Ref:...

© 2007 ANSYS, Inc. All rights reserved. 1 ANSYS, Inc. Proprietary

Ansoft HFSS Antenna Design Kit

Design Parameters

Arien Sligar


Wire Monopole

Design Parameters

Mo

no

po

le L

en

gthMonopole

Radius

Feed

Gap

Ref: Balanis, Constantine. “Linear Wire Antennas.” Antenna Theory, 2nd Ed. New York, Wiley, 1997.

Antenna Characteristics

Directivity Polarization Bandwidth

Low Linear Narrow


Wire Dipole

Design Parameters

Dip

ole

Le

ng

th

Feed

Gap

Dipole

Radius




Low Linear Narrow


Planar Dipole

Design Parameters

Substrate

Thickness

Substrate

Dimension Y

Substrate

Dimension X

Feed Gap

WidthDipole

Width




Low Linear Narrow


Rectangular Patch – Probe Fed

Design Parameters

Substrate

Thickness

Substrate

Dimension YSubstrate

Dimension X

Patch Dimension Y

Patch Dimension X Feed Along X

Feed Along Y

Coax Inner

Radius

Coax Outer

Radius

Ref: Balanis, Constantine. “Microstrip Antennas.” Antenna Theory, 2nd Ed. New York, Wiley, 1997.



Medium Linear Narrow


Rectangular Patch – Edge Fed

Design Parameters

Substrate

Thickness

Substrate


Dimension X

Patch Dimension Y

Patch Dimension X Feed Along X

Feed Along Y

Coax Inner

Radius

Coax Outer

Radius






Rectangular Patch – Edge Fed

Design Parameters

Substrate

Thickness

Substrate

Dimension Y

Patch

Dimension

Y





Edge Feed

WidthFeed

Length

Feed

Width

Edge Feed

Length


Rectangular Patch – Inset Fed

Design Parameters

Substrate

Thickness

Substrate

Dimension Y

Patch

Dimension

Y

Patch

Dimension X





Inset Gap

Inset

Distance

Feed

Width

Feed

Length


Elliptical Patch

Design Parameters

Substrate

Thickness

Substrate

Dimension Y

Substrate

Dimension X

Patch Dimension Y

Patch Dimension XFeed Along X

Feed Along Y

Coax Inner

Radius

Coax Outer

Radius






Elliptical Patch – Edge Fed

Design Parameters

Substrate

Thickness

Substrate

Dimension Y

Patch

Dimension

Y





Edge Feed

WidthFeed

Length

Feed

Width

Edge Feed

Length


Elliptical Patch – Inset Fed

Design Parameters

Substrate

Thickness

Substrate

Dimension Y

Patch

Dimension

Y





Inset Gap

Inset

Distance

Feed

Width

Feed

Length


Pyramidal Horn

Design Parameters

“b”“a”

Horn “b”

Horn “a”

Waveguide

Length

Horn

Flare

Length

Wall

Thickness



High Linear Moderate

Ref: Balanis, Constantine. “Aperture Antennas: Analysis, Design, and

Applications.” Modern Antenna Handbook. New York, Wiley, 2008.


Sectoral Horn - E-Plane

Design Parameters

“b”

“a”

Horn “b”

Waveguide

Length

Horn

Flare

Length

Wall

Thickness



Medium Linear Moderate




Sectoral Horn - H-Plane

Design Parameters

“b” “a”

Waveguide

Length

Horn

Flare

Length

Wall

Thickness

Horn “a”







Conical Horn

Design Parameters

Waveguide

Length

Horn

Flare

Length

Horn Radius

Waveguide

Diameter

Wall

Thickness



High Circular/Linear Moderate




Elliptical Horn

Design Parameters

Waveguide

Length

Horn

Flare

Length

Horn Radius

Major

Waveguide

Diameter

Wall

Thickness



High Circular/Linear Moderate



Ratio = Horn Radius

(Minor Axis/Major Axis)


Planar Sinuous

Design Parameters

Port

Extension

Height*

* Port Extension Height only applicable to 4 arm spirals

** Spiral antenna only supports 2 or 4 arms

Outer

Radius



Medium Dual-Circular Wide

Ref: Johnson, Richard. “Frequency Independent Antennas.”

Antenna Engineering Handbook, 3rd Ed. New York,

McGraw-Hill, 1993.


Cell 1

Cell 2

Cell 3

Cell 4

●●

●

●●

●

α + δ α + δ

α - δα - δ

Cell P

Cell 1

Cell 2

Cell 3

Cell 4

●●

●

●●

●

α + δ α + δ

α - δα - δ

Cell P

Planar Sinuous (cont.)

Design Parameters

11

1 and )(

)/(180sin)1(

PPP

PP

P

PP

P

RR

RrRLn

RrLn

Where φ and r are polar

coordinates

P is the cell number and τ is the

growth rate

Ref: Johnson, Richard. “Frequency Independent

Antennas.” Antenna Engineering Handbook, 3rd Ed.

New York, McGraw-Hill, 1993.


Planar Archimedean

Design Parameters

Port

Extension

Height*



Inner

Radius



Medium Circular Wide



McGraw-Hill, 1993.


Planar Archimedean (cont.)

Design Parameters

radiusinner

where,

0

)/1(

0

r

oefficientExpansionCrr ficientSpiralCoef

SpiralCoefficient

1 for Archimedes’ Spiral

2 for Fermat’s Spiral… etc

Can be any positive value

Spiral Coefficient



Can be any positive valueSpiral Coefficient = 1 Spiral Coefficient = 2

Inner

Radius

Offset

Angle

Ref: Johnson, Richard. “Frequency

Independent Antennas.” Antenna

Engineering Handbook, 3rd Ed. New York,

McGraw-Hill, 1993.


Planar Log-Spiral

Design Parameters

Port

Extension

Height*



Inner

Radius






McGraw-Hill, 1993.


Planar Log-Spiral (cont.)

Design Parameters

)2/()(

radiusinner

where,

0

0

atioExpansionRLna

r

err a

Offset Angle

r0



McGraw-Hill, 1993.


Conical Sinuous

Design Parameters

Port

Extension

Height*



Co

ne

He

igh

t



Medium Dual-Circular Wide



McGraw-Hill, 1993.


Conical Sinuous (cont.)

Design Parameters

11

1 and )(

)/(180sin)1(

PPP

PP

P

PP

P

RR

RrRLn

RrLn

Where φ and r are polar

coordinates

P is the cell number and τ is the

growth rate

Cell 1

Cell 2

Cell 3

Cell 4

●●

●

●●

●

α + δ α + δ

α - δα - δ

Cell P

Cell 1

Cell 2

Cell 3

Cell 4

●●

●

●●

●

α + δ α + δ

α - δα - δ

Cell P

Ref: Johnson, Richard. “Frequency Independent

Antennas.” Antenna Engineering Handbook, 3rd

Ed. New York, McGraw-Hill, 1993.


Conical Archimedean

Design Parameters

Port Extension

Height*



Co

ne

He

igh

t






McGraw-Hill, 1993.


Conical Archimedean (cont.)

Design Parameters

radiusinner

where,

0

)/1(

0

r

oefficientExpansionCrr ficientSpiralCoef

SpiralCoefficient



Can be any positive value

Spiral Coefficient



Can be any positive valueSpiral Coefficient = 1 Spiral Coefficient = 2

Inner

Radius

Offset

Angle

Ref: Johnson, Richard. “Frequency

Independent Antennas.” Antenna

Engineering Handbook, 3rd Ed. New

York, McGraw-Hill, 1993.


Conical Log-Spiral

Design Parameters

Port Extension

Height*



Co

ne

He

igh

t






McGraw-Hill, 1993.


Conical Log-Spiral (cont.)

Design Parameters

)2/()(

radiusinner

where,

0

0

atioExpansionRLna

r

err a

Offset Angle

r0



McGraw-Hill, 1993.


Linear Tapered Slot

Design Parameters

Substrate

Thickness



High Linear Wide

Ref: Johnson, Richard. “Slot Antennas.” Antenna Engineering Handbook, 3rd Ed. New York, McGraw-Hill, 1993.

Lto

tal

Wtotal

WtaperL

tap

er

Wbalun

Lbalun

Wstrip

Lstrip_offset

Feed_offset LfeedWslot


Vivaldi – Continuous

Design Parameters

Substrate

Thickness



High Linear Wide


Lto

tal

Wtotal

WtaperL

tap

er

WbalunLbalun

Wstrip

Lstrip_offset

Feed_offsetLfeed

Wslot


Vivaldi – Stepped

Design Parameters

Substrate

Thickness



High Linear Wide


Lto

tal

Wtotal

WtaperL

tap

er

WbalunLbalun

Wstrip

Lstrip_offset

Feed_offsetLfeed

Wslot


Log Periodic Toothed

Design Parameters

Substrate

Thickness

Substrate


Dimension X

δ

β

Port Gap

Width

R1

R2 a1

a2

Outer Radius = R1

1

11

n

n

n

n

R

a

R

R



Medium Linear Wide

Ref: Balanis, Constantine. “Frequency Independent Antennas: Spirals and

Log Periodics.” Modern Antenna Handbook. New York, Wiley, 2008.


Log Periodic Toothed – Trapezoid

Design Parameters

Substrate

Thickness

Substrate


Dimension X

δ

β

Port Gap

Width

R1

R2

a1

a2

Outer Length = R1

1

11

n

n

n

n

R

a

R

R



Medium Linear Wide

Ref: Balanis, Constantine. “Frequency Independent Antennas: Spirals and

Log Periodics.” Modern Antenna Handbook. New York, Wiley, 2008.


PIFA

Design Parameters

Substrate

Dimension Y

Substrate

Dimension X

Substrate

Thickness

Antenna

Trace

Width

Feed Offset (from center of board)

Feed

Length

Antenna Length 1

Antenna

Length 2

Antenna

Offset Feed

Width



Low Linear Narrow

Ref: Wong, Kin-Lu. “PIFAs for Internal Mobile Phone Antennas.”

Planar Antennas For Wireless Communications. New York, Wiley,

2003.


PIFA - Shorting Pin

Design Parameters

Substrate

Thickness

Substrate


Dimension X

Patch Dimension YPatch Dimension X

Feed Along X

Feed Along Y

Coax Inner

Radius

Coax Outer

Radius

*Feed Along X and Y, and Shorting

Pin Location Along X and Y is

measured from center of patch






2003.


PIFA - Shorting Plate

Design Parameters

Substrate

Thickness

Substrate


Dimension X

Patch Dimension Y Patch Dimension X

Feed Along X

Feed Along Y

Coax Inner

Radius

Coax Outer

Radius

*Feed Along X and Y is measured

from center of patch

**Shorting plate width is always

measured from corner of patch

Shorting Plate

Width






2003.


Rectangular Waveguide - Open Ended

Design Parameters

“b”“a”

Waveguide

Length

Wall

Thickness







Circular Waveguide - Open Ended

Design Parameters

Waveguide

Radius

Waveguide

Length

Wall

Thickness



Medium Circular/Linear Moderate




Bowtie

Design Parameters

Inner

Width

Substrate

Dimension Y

Substrate

Dimension X

Outer

Width

Arm

Length

Port Gap

Width

Substrate

Thickness



Low Linear Moderate

Ref: Balanis, Constantine. “Wideband and Traveling-Wave Antennas.”

Modern Antenna Handbook. New York, Wiley, 2008.


Bowtie - Slot

Design Parameters

Inner

Width

Substrate

Dimension Y

Substrate

Dimension X

Outer Width

Arm

Length

Port Gap

Width

Substrate

Thickness



Low Linear Moderate



Port

Offset


Bowtie - Rounded

Design Parameters

Inner

Width

Substrate

Dimension Y

Substrate

Dimension X

Outer Width

Arm

Length

Port Gap

Width

Substrate

Thickness



Low Linear Moderate



Outer

Radius


Bicone

Design Parameters

Inner

Diameter

Cone

Height

Outer

Radius

Gap Port

LengthGap Port

Width



Low Linear Moderate




Discone

Design Parameters

Inner

Diameter

Cone

Height

Outer

Radius

Gap Port

LengthGap Port

Width



Low Linear Moderate




Helix – Axial Mode

Design Parameters

Helix

Spacing

Helix Diameter

Feed Pin

Height

Ground Plane

Width



High/Moderate Circular Moderate



Wire

Diameter


Helix – Axial Mode – Continuous Taper

Design Parameters

Helix

Spacing

Helix Diameter

Feed Pin

Height

Ground Plane

Width



High/Moderate Circular Moderate



Wire

Diameter


Helix – Normal Mode

Design Parameters

Helix

Spacing

Helix Diameter

Feed Pin

Height

Ground Plane

Width



Low Circular Low



Wire

Diameter


Helix – Quadrifilar Shorted

Design Parameters

Helix Height =

Helix Spacing

* Number of

Turns

Helix Diameter

Port

Height

Ground Plane

WidthAntenna Characteristics


Moderate Circular Moderate



Wire

Diameter


Helix – Quadrifilar Open

Design Parameters

Helix Height =

Helix Spacing

* Number of

Turns

Helix Diameter

Port

Height

Ground Plane

WidthAntenna Characteristics


Moderate Circular Moderate



Wire

Diameter


Slot Antenna

Design Parameters

Su

bstr

ate

Dim

en

sio

n Y




Low Linear Narrow

Substrate Dimension X

Slot Length

Slot Width

Feed offset


Slot Antenna – Microstrip Feed

Design Parameters

Su

bstr

ate

Dim

en

sio

n Y




Low Linear Narrow

Substrate Dimension X

Slot Length

Slot Width

Feed offset

Microstrip

Offset Length

Microstrip

Width

HFSS Antenna Design Kit - edatop.com · Ansoft HFSS Antenna Design Kit Design Parameters ... Ref:...

Documents

Transcript of HFSS Antenna Design Kit - edatop.com · Ansoft HFSS Antenna Design Kit Design Parameters ... Ref:...