SAT-333-35828-C1

Rev. 1.2

Description
Model SAT-333-35828-C1 is a WR-28 orthomode transducer(OMT) that operates between 24 and 42 GHz. The OMTseparates a circular or elliptical polarized waveform into twolinear, orthogonal waveforms or combines two linear polarized
waveforms into one circular or elliptical polarized waveform orvice versa. The OMT also supports either vertical or horizontal
polarized waveguide forms. The OMT shows high port isolation while providing a low insertion loss. TheOMT is configured with a 0.358” diameter circular waveguide for the antenna port and two WR-28
waveguides for the horizontal and vertical ports. All ports have standard UG-599/U flanges with 4-40
threaded holes.

Features:••••

Applications:

Full Waveguide Band Operation
High Port Isolation
High Crosspol Rejection
Low Insertion Loss•••••

5G Systems
Radar Systems
Communication Systems
Antenna Ranges
Circular and Linear Waveform Separation
and Combination

Electrical Specifications:Parameter
Frequency Range
Insertion Loss (H to A Port)
Insertion Loss (V to A Port)
Isolation (H to V Port)
Return Loss (H Port)
Return Loss (V Port)
Return Loss (A Port, Vertical)
Return Loss (A Port, Horizontal)
Specification Temperature
Operating Temperature

Minimum
24 GHzTypicalSAGE Millimeter, Inc.

WR-28 Orthomode Transducer, 24 to 42 GHz, Circular Waveguide Port

Maximum
42 GHz0.5 dB
0.5 dB
40 dB
15 dB
15 dB
15 dB
15 dB
+25 ˚C-40 ˚C+85 ˚C

Mechanical Specifications:
Item
Antenna Port
Horizontal and Vertical Ports
Flange Type
Material
FinishWeightOutlineSpecification
0.358” Diameter Circular WaveguideWR-28 WaveguideUG-599/U Threaded Flange 4-40 Threaded Holes
AluminumGold Plated2.6 Oz
AT-AC-358-F

www.eravant.com | 501 Amapola Ave, Torrance, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: sales@eravant.com
Copyright © 2017 by Eravant

Page | 1

SAT-333-35828-C1

Rev. 1.2

00-1-4Insertion Loss (H)

-2

-8-12

Insertion Loss (dB)-3
Insertion Loss (V)-16-4-20-5Isolation

-24

-6-28

-7-32

-8-36-9-40-10Cross Polarization and Isolation (dB)

Typical Performance vs. Frequency-4427282930

313233343536373839404142Frequency (GHz)

Typical Return Loss vs. Frequency

SAGE Millimeter, Inc.

WR-28 Orthomode Transducer, 24 to 42 GHz, Circular Waveguide Port

0
Return Loss (Antenna Horizontal Port)
Return Loss (Antenna Vertical Port)-5

Return Loss (Horizontal Port)-10

Return Loss (Vertical Port)

Return Loss (dB)

-15
-20
-25
-30
-35
-40
-45
27

28.5

30

31.5

33

34.5

36

37.5

39

40.5

42Frequency (GHz)www.eravant.com | 501 Amapola Ave, Torrance, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: sales@eravant.com
Copyright © 2017 by EravantPage | 2

SAT-333-35828-C1

Rev. 1.2

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

Note:• All data presented is collected from a sample lot. Actual data may vary unit to unit, slightly.
• All testing was performed under +25˚C case temperature.
• Eravant reserves the right to change the information presented without notice.

SAGE Millimeter, Inc.

WR-28 Orthomode Transducer, 24 to 42 GHz, Circular Waveguide PortCaution:• Any foreign objects in the waveguide will cause performance degradation and possible device
damage.

www.eravant.com | 501 Amapola Ave, Torrance, CA 90501
Phone: 424-757-0168 | Fax: 424-757-0188 | Email: sales@eravant.com
Copyright © 2017 by Eravant

Page | 3