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Features

• Low Ellipticity Ratio
• Precision Electroformed
• Linear to Linear Polarization Versions
• Linear to Circular Polarization Versions

Each transition consists of a short length of rectangular waveguide and a stepped or tapered section leading into circular waveguide.

Models are available optionally fitted with combinations of rectangular port flanges, circular port flanges, resistive elements and dielectric elements. The standard rectangular flange types are listed in the table below. Alternative flange types can be fitted to order. The circular waveguide ports are fitted with the flange as detailed below or to customers requirements as other flange styles are available to special order.

The simple rectangular to circular waveguide transition will launch linearly polarized waves into the circular waveguide section (10643 to 32643). However, line reflections from the circular waveguide section may interact with the incident wave resulting in cross polarization.

If cross polarization is undesirable then the transition selected should be one fitted with a resistive film element to absorb the cross polarized waves (models 10644 to 32644).

For circular polarization, the transitions are fitted with resistive film element and have an extended circular waveguide section containing a dielectric quarter wave plate (models 10648 to 32648).

              
ModelFrequency Range (GHz)WaveguideOverall Length ARectangular Port Flange TypeCircular Port Flange DimensionsWeight (kg) Series 643/4 Only
WGRWRSeries 643 & 644Series 648BCD
(PCD)
EH
1064*2.6 - 3.951032284241on request5985-99-083-1560/00101466.91321173.914.3
11A64*3.22 - 4.911A40229178330UDR 401015.493759.691.9
1264*3.94 - 5.991248187140249UAR 48895.480748.771.5
1364*4.64 - 7.051358159120on requestUAR 58895.480741.421.1
1464*5.38 - 8.181470137102232UAR 70764.460.3735.810.8
1564*6.58 - 10.0158411282.5222UBR 84603.252728.580.3
1664*8.2 - 12.5161009076174UBR 100563.248623.360.25
1764*9.84 - 15.0171207564149UBR 120563.248619.350.2
1864*11.9 - 18.0181406251120UBR 140503.241616.10.1
1964*14.5 - 22.0191805151120UBR 180503.241613.250.1
2064*17.6 - 26.7202204277.5141UBR 220503.241510.930.1
2164*21.7 - 33.0212603467.5122.5UBR 260503.24158.760.1
2264*26.4 - 40.1223202851.579.5UG-599/U443.2353.57.240.06
2364*33.0 - 50.1234002246on requestUG-383/UFixing detail as for UG-383/U5.80.06
2464*39.3 - 59.724500194368UG-383/U MOD4.850.05
2564*49.9 - 75.8256201533.561.5UG-385/UFixing detail as for UG-385/U3.860.03
2664*60.5 - 92.026740122851.5UG-387/UFixing detail as for UG-387/U3.120.03
2764*73.8 - 11227900102843UG 387/U MOD2.570.03
2864*92.3 - 140281200828on requestUG 387/U MOD2.030.03
2964*114 - 1732914006Dimensions available on
request
3064*145 - 2203018005
3164*172 - 2613122004
3264*217 - 3303226003