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Rectangular Waveguide to Coax Adapters

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click here to view PDF:  Rectangular Waveguide To Coax Adapters

 Space Machine & Engineering offers a standard product line of Waveguide to Coax Adapters covering waveguide sizes WR28 thru WR975 with different type connectors. Connector and flange types are made to customer specifications. See Appendix E for Connector Options and Appendix G for Flange Options. Custom waveguide flanges and sizes to your own specifications are also possible. Contact us for details. 

For most of the models a typical VSWR is 1.20:1 and insertion loss is 0.2 dB max. 

A chromate coating is standard, but other types of plating are available upon request, including Silver and Gold plating. Rectangular Waveguide to Coax Adapters can be supplied unpainted, or they can be painted our standard Space Machine Gray, or you can specify your own paint requirements. Space Machine & Engineering can apply any special marking requirements you may have. 

See the chart below for information about how to specify Waveguide to Coax Adapter.

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Model

WR #

Frequency (GHz)

A

B

WCA28-

28

26.50 - 40.00

0.96

0.34

WCA34-

34

22.00 - 33.00

1.00

0.36

WCA42-

42

18.00 - 26.50

1.00

0.39

WCA51-

51

15.00 - 22.00

1.20

0.43

WCA62-

62

12.40 - 18.00

1.85

0.45

WCA75-

75

10.00 - 15.00

2.00

0.50

WCA90-

90

8.20 - 12.40

2.00

0.54

WCA102-

102

7.00 - 11.00

2.00

0.60

WCA112-

112

7.05 - 10.00

2.00

0.63

WCA137-

137

5.85 - 8.20

2.20

0.66

WCA159-

159

4.90 - 7.05

2.25

0.76

WCA187-

187

3.95 - 5.85

2.34

0.88

WCA229-

229

3.30 - 4.90

2.53

1.04

WCA284-

284

2.60 - 3.95

3.36

1.23

WCA340-

340

2.20 - 3.30

3.50

1.50

WCA430-

430

1.70 - 2.60

4.00

1.71

WCA510-

510

1.45 - 2.20

5.00

2.01

WCA650-

650

1.12 - 1.70

6.00

2.49

WCA770-

770

0.96 - 1.45

7.50

2.95

WCA975-

975

0.75 - 1.12

8.25

3.61

 

wr* - add HW, RH or TW to the part number if ordering heavy wall waveguide tubing (HW), reduced height waveguide tubing (RH) or thin wall waveguide tubing (TW). See appendix A for waveguide physical dimensions. Example: WCA75TW-A01SF-CP 

Ordering Information

WCA wr* -m f cnt -p f

Waveguide To Coax Adapter, WR112, Bronze, Cover Flange, SMA Female Connector, Chromated, Paint Space Machine Gray.

             

Example part number:   

WCA 112 -B 01 SF -C

P

Series (WCA):

             

Waveguide Size (wr): WR28 thru WR975

             

Material (m): A – Aluminum,

B – Bronze, C – OFHC Copper , O – Other

             

Flange (f): See Appendix G

             

Connector (cnt): See Appendix E

             

Plating (-p): C – Chromate, S – Silver,

G – Gold, O – Other, N – None 

             

Finish (f): P – Paint Space Machine Gray,

N – None, O – Other

             

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