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Offset Shorts 1/8

23 Series
overview

The 23 series 1/8 offset shorts are banded waveguide components used for waveguide calibrations. Waveguide calibrations require an alternative calibration than a coaxial SOLT (Short-open-load-thru) because an open waveguide standard is generally not very reflective so the use of offset shorts is generally accepted as a substitute. Waveguide calibrations that use offset shorts include SSLT (Short-short-load-thru) and LRL/LRM (Line-Reflect-Line/Match).

The 23 series offset shorts are fitted with “precision flanges” that are fully compatible with standard flanges while maintaining accuracy and repeatability. The 1/8 offset section is designed to provide a phase balanced response over the desired waveguide frequency range.

Specifications

 Model

 Description*

Offset length (mm)

  Designation

 Cutoff frequency (GHz)

 23UA28-R

 1/8 Offset Short, US, 26.5 GHz – 40 GHz

1.50

WR28

21.1

 23UA42-R

 1/8 Offset Short, US, 17 GHz – 26.5 GHz

 2.25

WR42

 14.1

 23UA62-R

 1/8 Offset Short, US, 12.4 GHz – 18 GHz

 3.33

WR62

 9.49

 23UA90-R

 1/8 Offset Short, US, 8.2 GHz – 12.4 GHz

 4.82

 WR90

 6.56

 23UA112-R

 1/8 Offset Short, US, 7.05 GHz – 10 GHz

 6.02

 WR112

 5.26

 23UA137-R

 1/8 Offset Short, US, 5.85 GHz – 8.2 GHz

 7.36

 WR137

 4.301

 23UA187-R

 1/8 Offset Short, US, 3.95 GHz – 5.85 GHz

 10.05

 WR187

 3.152

 23UM40-R

 1/8 Offset Short, Metric, 3.3 GHz – 4.9 GHz

 12.0

 WR229

 2.577

 23UM48-R

 1/8 Offset Short, Metric, 3.95 GHz – 5.85 GHz

 10.05

 WR187

 3.152

 23UM70-R

 1/8 Offset Short, Metric, 5.85 GHz – 8.2 GHz

 7.36

 WR137

 4.301

 23UM84-R

 1/8 Offset Short, Metric, 7.05 GHz – 10 GHz

 6.02

 WR112

 5.26

 23UM100-R

 1/8 Offset Short, Metric, 8.2 GHz – 12.4 GHz

 4.82

 WR90

 6.56

 23UM120-R

 1/8 Offset Short, Metric, 10 GHz – 15 GHz

 4.01

 WR75

 7.87

 23UM140-R

 1/8 Offset Short, Metric, 12.4 GHz – 18 GHz

 3.33

 WR62

 9.49

 23UM220-R

 1/8 Offset Short, Metric, 17 GHz – 26.5 GHz

 2.25

 WR42

 14.1

 23UM320-R

 1/8 Offset Short, Metric, 26.5 GHz – 40 GHz

 1.50

 WR28

 21.1

* Note: US and metric are respect to pitch size for fastening screws

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