Short Length, High Directivity Couplers - Single

Electrical Specifications:
Standard coupling values are 30, 40, and 50dB *
Other coupling values available but length of unit may change
Coupling Accuracy +/-0.5dB
Frequency Sensitivity +/-0.5dB
Directivity 25min, 30 typical
VSWR Primary Arm 1.05
 Secondary Arm 1.25 (1.40 for WR28, WR34, WR42)

Ordering Information

          Typical Part #:                      WGSize-331 Material -Coupling(dB) -Flange1 -Flange2
         

Example: P/N: 112–331A–40–6–6 is: WR112 short length coupler Alum Material – 40dB –Cover Flg – Cover Flg

The Model numbers listed below are the most common model numbers for size, material, and flanges however, these models can easily be altered to accommodate customer needs by following the Model # code system shown above.  In addition the customer must choose the coupling value appropriate for application (30dB, 40dB, or 50dB) and insert it in the model number where dB is listed

Standard Models

WG Size

Freq (GHz)*

Standard
Model No.

Length
(Inches)

Outline

Dwg.

WR430

1.82 - 2.18

430-331A-dB-2-2

26.00

WR340

2.78 - 3.22

340-331A-dB-2-2

19.00

WR284

2.90 - 3.10

284-331A-dB-6-6

16.00

WR229

3.60 - 4.30

229-331A-dB-2-2

14.00

WR187

4.00 - 4.50

187-331A-dB-6-6

12.00

WR159

5.80 - 6.50

159-331A-dB-2-2

9.00

WR137

5.80 - 6.50

137-331A-dB-2-2

7.00

WR137

7.20 - 7.80

137-332A-dB-2-2

7.00

WR137

7.90 - 8.40

137-333A-dB-2-2

7.00

WR112

7.20 - 7.80

112-332A-dB-6-6

5.50

WR112

8.50 - 9.50

112-331A-dB-6-6

5.50

WR102

8.20 - 9.80

102-331A-dB-6-6

4.75

WR90

8.16 - 9.84

90-331A-dB-6-6

4.00

Dwg

WR75

10.7 - 12.7

75-331A-dB-6-6

3.00

Dwg

WR75

13.5 - 14.5

75-332A-dB-6-6

3.00

Dwg

WR62

15.0 - 18.0

62-331A-dB-6-6

3.00

Dwg

WR51

18.2 - 21.0

51-331A-dB-6-6

3.00

WR42

17.7 - 21.0

42-331A-dB-6-6

3.00

WR34

27.8 - 32.2

34-331A-dB-6-6

2.75

WR28

27.3 - 32.7

28-331A-dB-6-6

2.50

Dwg

WR28

36.0 - 40.0

28-332A-dB-6-6

2.50

Dwg

*These units are designed for approximately 40% bandwidth, consult factory for other specifications

Electrical Specifications:

? Standard coupling values are 30, 40, and 50dB *
* Other coupling values available but length of unit may change
 ? Coupling Accuracy +/-0.5dB
 ? Frequency Sensitivity +/-0.5dB
 ? Directivity 25min, 30 typical
 ? VSWR Primary Arm 1.05, Secondary Arm 1.25

Ordering Information

     Typical Part #: WGSize-331D Material -Coupling(dB)F -Coupling(dB)R -Flange1 -Flange2


                                               Example: P/N 51-331DA-30F-30R-6-6 is
              WR51 dual high dir coup Alum Mat'l -30dB Forward -30dB Reflected -Cover Flg -Cover Flg

The Model numbers listed below are the most common model numbers for size, material, and flanges however, these models can easily be altered to accommodate customer needs by following the Model # code system shown above.  In addition the customer must choose the coupling value appropriate for application (30dB, 40dB, or 50dB) and insert it in the model number where dB is listed

Standard Models

WG Size

Freq (GHz)

Standard
Model No.

Length
(Inches)

Outline

Dwg.

WR137

5.80 - 6.50

137-331DA-dBF-dBR-2-2

WR137

7.20 - 7.80

137-332DA-dBF-dBR-2-2

WR137

7.90 - 8.40

137-333DA-dBF-dBR-2-2

WR112

8.50 - 9.50

112-331DA-dBF-dBR-6-6

WR102

8.20 - 9.80

102-331DA-dBF-dBR-6-6

WR90

8.16 - 9.84

90-331DA-dBF-dBR-6-6

WR75

13.5 - 14.5

75-331DA-dBF-dBR-6-6

WR62

15.0 - 18.0

62-331DA-dBF-dBR-6-6

5.63

WR51

18.2 - 21.0

51-331DA-dBF-dBR-6-6

5.00

Dwg

WR51

15.0 - 17.5

51-332DA-dBF-dBR-6-6

5.00

Dwg

WR42

17.7 - 21.0

42-331DA-dBF-dBR-6-6

WR34

27.8 - 32.2

34-331DA-dBF-dBR-6-6

WR28

27.3 - 32.7

28-331DA-dBF-dBR-6-6

WR28

36.0 - 40.0

28-332DA-dBF-dBR-6-6

*These units are designed for approximately 40% bandwidth, consult factory for other specifications