SAG-1441544002-059-S1

Rev. 1.2

Description:
Model SAG-1441544002-059-S1 is a 3” D-Band Gaussianantenna that operates from 140 to 150 GHz. The Gaussianantenna delivers a 40 dBi nominal gain and 1.9 degree half
power beamwidth. The antenna supports both linear andcircular polarized waveforms and employs a corrugatedfeed horn to offer excellent aperture efficiency, high crosspolarization rejections, and low sidelobe levels. This model
is equipped with a 0.059” diameter circular waveguide andUG-387/U-M anti-cocking flange as its input port, which
support both linear and circular polarized waveforms. By
adding the mode transition, Eravant model number SWT-06059-SB, the input port becomes a standard
WR-06 waveguide, which can support only linear polarized waveform.

Features:••••

Applications:•••Center Fed
Low Sidelobes
Low Cross Polarization
Linear and Circular Polarization

Radar Systems
Communication Systems
Plasma Systems

SAGE Millimeter, Inc.

D Band Gaussian Optics Antenna, 0.059” Dia Circular Waveguide, 3”Electrical Specifications:Parameter
Frequency
Gain
3 dB BeamwidthSidelobes
Polarization
Return LossSpecification Temperature
Operating Temperature

Minimum
140 GHz

TypicalMaximum
150 GHz

40 dBi1.9˚-20 dB
Linear and Circular
15 dB+25 °C-40 °C+85 °C

Mechanical Specifications:
Item
Antenna Port
Material
FinishWeight
Lens Diameter
Dimensions
OutlineSpecification
0.059” Dia Circular Waveguide with UG-387/U-M Anti-Cocking Flange
AluminumBlack Anodized
1.66 lb
3.0”
3.67” (H) x 5.45” (L)AG-CD40-059-A

www.eravant.com | 501 Amapola Ave, Torrance, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: support@eravant.com
Copyright © 2021 by Eravant

Page | 1

SAG-1441544002-059-S1Rev. 1.2

Simulated Antenna Pattern @ 140 GHz
5040E-Plane

30H-Plane

Gain (dBi)20100-10-20-30-40-50-180-150-120-90-60-30
030
Boresight Angle (Degree)

6090120150180

Simulated Antenna Pattern @ 145 GHz

SAGE Millimeter, Inc.

D Band Gaussian Optics Antenna, 0.059” Dia Circular Waveguide, 3”

5040E-Plane

30H-Plane

20

Gain (dBi)

100-10-20-30-40-50-60-180-150-120-90-60-30030
Boresight Angle (Degree)

6090120150180

www.eravant.com | 501 Amapola Ave, Torrance, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: support@eravant.com
Copyright © 2021 by Eravant

Page | 2

SAG-1441544002-059-S1

Rev. 1.2

Simulated Antenna Pattern @ 150 GHz
5040E-Plane

30H-Plane

20Gain (dBi)

100-10-20-30-40-50-60-180-150-120-90-60-30
030
Boresight Angle (Degree)

6090120150

180

Simulated Gain vs. Frequency

SAGE Millimeter, Inc.

D Band Gaussian Optics Antenna, 0.059” Dia Circular Waveguide, 3”

45Gain (dBi)403530

25
140

141

142

143

144

145

146

147

148

149

150

Frequency (GHz)www.eravant.com | 501 Amapola Ave, Torrance, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: support@eravant.com
Copyright © 2021 by Eravant

Page | 3

SAG-1441544002-059-S1

Rev. 1.2

Simulated Return Loss vs. Frequency
0Return Loss (dB)

-5-10-15-20-25-30

140

141

142

143

144

145

146

147

148

149

150

Frequency (GHz)

Mechanical Outline: (Unless otherwise specified, all dimensions are in inches [millimeters])

SAGE Millimeter, Inc.

D Band Gaussian Optics Antenna, 0.059” Dia Circular Waveguide, 3”

www.eravant.com | 501 Amapola Ave, Torrance, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: support@eravant.com
Copyright © 2021 by Eravant

Page | 4

SAG-1441544002-059-S1

Rev. 1.2

Note:••

Eravant reserves the right to change the information presented without notice.
The operation frequency of the antenna can be extended to a wider range with small
performance degradation at the edges of the band.

Caution:•Foreign objects in the waveguide will affect device performance and may damage the antenna.

SAGE Millimeter, Inc.

D Band Gaussian Optics Antenna, 0.059” Dia Circular Waveguide, 3”

www.eravant.com | 501 Amapola Ave, Torrance, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: support@eravant.com
Copyright © 2021 by Eravant

Page | 5