Waveguide Couplers,

Crossguide Directional

   See Also:
W/G Couplers, Crossguide Directional, Dual
W/G Couplers, Loop
W/G Couplers, Multi-hole Directional
W/G Couplers, SLHD
W/G Couplers, 90° Hybrid 3dB Directional
Coax Couplers, Directional

ATM manufactures Crossguide directional couplers covering a wide frequency range in either brass or aluminum.  Multiple flange and Coaxial connector types and configurations are available.  For more information feel free to call us and discuss your needs with one of our design engineers.

TYPICAL SPECIFICATIONS
  • Full waveguide frequency range
  • Single Arm standard, Multiarm model available
  • Available in Aluminum or Copper/Brass
  • ATM's 300 series typically handles the full guide rating.  All other series typically handle the guide rating in the forward direction.
  • Coupling: 30, 40, or 50dB
    (other values available consult factory for details)
  • Internal termination rated at 2 watts.  In the reverse direction or when used as an injector the internal termination shouldn't see more than 2 watts CW

Electrical

Nominal Coupling: +/- 0.5dB
Frequency Sensitivity: +/- 1.00dB max.

Directivity: 20dB min.

VSWR  Waveguide: 1.05 max.  Coax: 1.25 max.

Applicable Mil-Specs

General:

Product Specific:

Mechanical

Construction: Aluminum or Brass/Copper per order

Pressure:
30 psi WR28 thru WR137 models
10 psi WR159 thru WR430 models

Connectors: Stainless Steel

Finish: Unique corrosion resistant 316 stainless steel epoxy coating IAW MIL-F-14072

 


CrossGuide Directional Coupler

Series 300

 4 Waveguide Ports

Standard Models
WG Size Freq (GHz) Standard
Model No.*

Dim A
(Inches)
WR430 1.70 - 2.60 430-300A-dB-2-2-2-2

7.50
WR284 2.60 - 3.95 284-300A-dB-6-6-6-6

7.50
WR229 3.30 - 4.90 229-300B-dB-2-2-2-2

7.00
WR187 3.95 - 5.85 187-300A-dB-6-6-6-6 6.50
WR159 4.90 - 7.05 159-300B-dB-2-2-2-2 6.00
WR137 5.85 - 8.20 137-300B-dB-2-2-2-2 6.00
WR112 7.05 - 10.0 112-300B-dB-6-6-6-6 4.20
WR90 8.20 - 12.4 90-300A-dB-6-6-6-6 4.00
WR75 10.0 - 15.0 75-300B-dB-6-6-6-6 3.75
WR62 12.4 - 18.0 62-300B-dB-6-6-6-6 3.50
WR51 15.0 - 22.0 51-300B-dB-6-6-6-6 3.10
WR42 18.0 - 26.5 42-300B-dB-6-6-6-6 2.20
WR34 22.0 - 33.0 34-300B-dB-6-6-6-6 2.20
WR28 26.5 - 40.0 28-300A-dB-6-6-6-6 2.00
Ordering Information

*The Model numbers listed above are the most common model numbers for size, material, coupling, and flanges however, these models can easily be altered to accommodate customer needs by following the Model # code system shown below:

      Typical Part #:         WGSize-300 Material-Coupling-Flange1-Flange2-Flange3-Flange4

In addition to W/G size, material, and flange layout, 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.
Example P/N:
187-300A-40-6-6-6-6 is: WR187-4 WG port Alum mat'l-40dB-Cover Flg-Cover Flg-Cover Flg-Cover Flg
See ATM Flange page for more information on flanges.



Crossguide Directional Coupler

Series 301

 3 Waveguide Ports
Standard Models
WG Size Freq GHz Standard
Model No.*

Dim A
(Inches)

 Dim B
(Inches)
WR430 1.70 - 2.60 430-301A-dB-2-2-2

7.50

 8.00
WR284 2.60 - 3.95 284-301A-dB-6-6-6

7.50

 5.00
WR229 3.30 - 4.90 229-301B-dB-2-2-2

7.00

 4.75
WR187 3.95 - 5.85 187-301A-dB-6-6-6 6.50 4.50
WR159 4.90 - 7.05 159-301B-dB-2-2-2 6.00 4.00
WR137 5.85 - 8.20 137-301B-dB-2-2-2 6.00 4.00
WR112 7.05 - 10.0 112-301B-dB-6-6-6 4.20 3.00
WR90 8.20 - 12.4 90-301A-dB-6-6-6 4.00 2.75
WR75 10.0 - 15.0 75-301B-dB-6-6-6 3.75 2.50
WR62 12.4 - 18.0 62-301B-dB-6-6-6 3.50 2.37
WR51 15.0 - 22.0 51-301B-dB-6-6-6 3.10 2.25
WR42 18.0 - 26.5 42-301B-dB-6-6-6 2.20 1.50
WR34 22.0 - 33.0 34-301B-dB-6-6-6 2.20 1.50
WR28 26.5 - 40.0 28-301A-dB-6-6-6 2.00 1.15
Ordering Information

*The Model numbers listed above are the most common model numbers for size, material, coupling, and flanges however, these models can easily be altered to accommodate customer needs by following the Model # code system shown below:

     Typical Part #:        WGSize-301 Material-Coupling-Flange1-Flange2-Flange3

In addition to W/G size, material, and flange layout, 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.
Example P/N:
187-301A-40-6-6-6 is: WR187-3 WG port Alum mat'l-40dB-Cover Flg-Cover Flg-Cover Flg
See ATM Flange page for more information on flanges.

 

Crossguide Directional Coupler

Series 302

 2 Waveguide Ports

1 Type-N Port
Standard Models
WG Size Freq GHz Standard
Model No.*

Dim A
(Inches)

 Dim B
(Inches)		 Dim C
(Inches)
WR430 1.70 - 2.60 430-302A-dB-2-2

7.50

 5.00 8.00
Added 01-23-06 WR340 2.20 - 3.30 340-302A-dB-6-6

7.50

 4.00 8.00
WR284 2.60 - 3.95 284-302A-dB-6-6

7.50

 3.75 5.00
WR229 3.30 - 4.90 229-302B-dB-2-2

7.00

 3.50 4.75
WR187 3.95 - 5.85 187-302A-dB-6-6 6.50 3.25 4.50
WR159 4.90 - 7.05 159-302B-dB-2-2 6.00 3.00 4.00
WR137 5.85 - 8.20 137-302B-dB-2-2 6.00 3.00 4.00
WR112 7.05 - 10.0 112-302B-dB-6-6 4.20 2.10 3.00
WR90 8.20 - 12.4 90-302A-dB-6-6 4.00 2.00 2.75
WR75 10.0 - 15.0 75-302B-dB-6-6 3.75 1.87 2.50
WR62 12.4 - 18.0 62-302B-dB-6-6 3.50 1.75 2.37
Ordering Information

*The Model numbers listed above are the most common model numbers for size, material, coupling, and flanges however, these models can easily be altered to accommodate customer needs by following the Model # code system shown below:

         Typical Part #:        WGSize-302 Material -Coupling -Flange1 -Flange2
 

In addition to W/G size, material, and flange layout, 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.
Example P/N:
187-302A-40-6-6 is: WR187-2 WG port/1 Type-N port, Alum material-40dB-Cover Flg-Cover Flg
See ATM Flange page for more information on flanges.
 

 

Crossguide Directional Coupler

Series 303

 2 Waveguide Ports

1 SMA/Type-K Port

Standard Models
WG Size Freq GHz Standard
Model No.*

Dim A
(Inches)

 Dim B
(Inches)		 Dim C
(Inches)
WR430 1.70 - 2.60 430-303A-dB-2-2

7.50

 5.00 8.00
WR284 2.60 - 3.95 284-303A-dB-6-6

7.50

 3.75 5.00
WR229 3.30 - 4.90 229-303B-dB-2-2

7.00

 3.50 4.75
WR187 3.95 - 5.85 187-303A-dB-6-6 6.50 3.25 4.50
WR159 4.90 - 7.05 159-303B-dB-2-2 6.00 3.00 4.00
WR137 5.85 - 8.20 137-303B-dB-2-2 6.00 3.00 4.00
WR112 7.05 - 10.0 112-303B-dB-6-6 4.20 2.10 3.00
WR90 8.20 - 12.4 90-303A-dB-6-6 4.00 2.00 2.75
WR75 10.0 - 15.0 75-303B-dB-6-6 3.75 1.87 2.50
WR62 12.4 - 18.0 62-303B-dB-6-6 3.50 1.75 2.37
WR51 15.0 - 22.0 51-303B-dB-6-6 3.10 1.50 2.25
WR42 18.0 - 26.5 42-303B-dB-6-6 2.20 1.10 1.50
WR34 22.0 - 33.0 34-303B-dB-6-6** 2.20 1.10 1.50
WR28 26.5 - 40.0 28-303A-dB-6-6** 2.00 1.00 2.15

**These units are supplied with K-connectors only.
Ordering Information

*The Model numbers listed above are the most common model numbers for size, material, coupling, and flanges however, these models can easily be altered to accommodate customer needs by following the Model # code system shown below:

       Typical Part #:         WGSize-303 Material-Coupling-Flange1-Flange2
 

In addition to W/G size, material, and flange layout, 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.
Example P/N:
187-303A-40-6-6 is: WR187-2 WG port/1 Sma Port, Alum material-40dB-Cover Flg-Cover Flg
See ATM Flange page for more information on flanges.

 

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