Waveguide Couplers,

Dual-Arm Crossguide Directional

   See Also:
W/G Couplers, Crossguide Directional
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 model also 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

 

 


         Dual Crossguide Directional Couplers -  2 Waveguide Ports
 2 Coax Type-N (F) Ports


The above illustration shows Fwd coupling at Arm 1,
Rev. coupling at Arm 2

WG Size Freq GHz Standard
Model No.*

Dim A
(Inches)

 Dim B
(Inches)		 Dim C
(Inches)		 Dim D
(Inches)		 Dim E
(Inches)
WR430 1.70 - 2.60 430-302A-dBF-dBR-2-2

12.00

 5.00 8.00 3.38 5.25
WR284 2.60 - 3.95 284-302A-dBF-dBR-6-6

8.75

 3.75 5.00 2.75 3.25
WR229 3.30 - 4.90 229-302B-dBF-dBR-2-2

7.50

 3.50 4.75 2.42 2.67
WR187 3.95 - 5.85 187-302A-dBF-dBR-6-6 6.75 3.25 4.50 2.25 2.25
WR159 4.90 - 7.05 159-302B-dBF-dBR-2-2 6.13 3.00 4.00 2.08 1.97
WR137 5.85 - 8.20 137-302B-dBF-dBR-2-2 6.00 3.00 4.00 1.75 1.75
WR112 7.05 - 10.0 112-302B-dBF-dBR-6-6 4.75 2.10 3.00 1.63 1.50
WR90 8.20 - 12.4 90-302A-dBF-dBR-6-6 4.25 2.00 2.75 1.50 1.25
WR75 10.0 - 15.0 75-302B-dBF-dBR-6-6 4.00 1.87 2.50 1.45 1.10
WR62 12.4 - 18.0 62-302B-dBF-dBR-6-6 3.75 1.75 2.38 1.33 1.10
Ordering Information WR -Mod -M -dB Dir -dB Dir -F1 -F2
Dual-Arm Crossguide Coupler, Type-N                  

Example part number: 

90 -302 A -30 F -30 R -6 -6
Waveguide Size: (WR)
WR62 thru WR430 available		                
Basic Model No.: (-Mod)                
Material (M):
A=Aluminum, B=Copper/Brass		              
Arm 1 Coupling Value (-dB):
 30, 40, & 50 dB Std.**		            
Arm 1 Coupling Direction (Dir):
 F=Forward, R=Reverse, forward direction is standard		        
Arm 2 Coupling Value (-dB):
 30, 40, & 50 dB Std.**		          
Arm 2 Coupling Direction (Dir):
 F=Forward, R=Reverse, reverse direction is standard		      
Flange 1 (-F1): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke      
Flange 2 (-F2): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke
 See ATM Standard Flange page for more info.		    

* The Standard Model Numbers above are the most common parts ordered for size, material and flange.

Standard models have a coupling configuration of: Forward Coupling at the Coax port on arm 1 (see diagram above) and Reverse coupling at the Coax port on arm 2.  However, These models can easily be altered to accommodate your needs by using the Model # code system to the left.


**Insert desired coupling value (30, 40 or 50dB) where dB is listed in the model number.
 


         Dual Crossguide Directional Couplers -  2 Waveguide Ports
 2 Coax SMA (F) Ports

The above illustration shows Fwd coupling at Arm 1,
Rev. coupling at Arm 2

WG Size Freq GHz Standard
Model No.*

Dim A
(Inches)

 Dim B
(Inches)		 Dim C
(Inches)		 Dim D
(Inches)		 Dim E
(Inches)
WR430 1.70 - 2.60 430-303A-dBF-dBR-2-2

12.00

 7.00 18.00 3.38 5.25
WR284 2.60 - 3.95 284-303A-dBF-dBR-6-6

8.75

 3.75 5.00 2.75 3.25
WR229 3.30 - 4.90 229-303B-dBF-dBR-2-2

7.50

 3.50 4.75 2.42 2.67
WR187 3.95 - 5.85 187-303A-dBF-dBR-6-6 6.75 3.25 4.50 2.25 2.25
WR159 4.90 - 7.05 159-303B-dBF-dBR-2-2 6.13 3.00 4.00 2.08 1.97
WR137 5.85 - 8.20 137-303B-dBF-dBR-2-2 6.00 3.00 4.00 1.75 1.75
WR112 7.05 - 10.0 112-303B-dBF-dBR-6-6 4.75 2.10 3.00 1.63 1.50
WR90 8.20 - 12.4 90-303A-dBF-dBR-6-6 4.25 2.00 2.75 1.50 1.25
WR75 10.0 - 15.0 75-303B-dBF-dBR-6-6 4.00 1.87 2.50 1.45 1.10
WR62 12.4 - 18.0 62-303B-dBF-dBR-6-6 3.75 1.75 2.38 1.33 1.10
WR51 15.0 - 22.0 51-303B-dBF-dBR-6-6 3.50 1.50 2.25 1.20 1.10
WR42 18.0 - 26.5 42-303B-dBF-dBR-6-6 3.25 1.10 1.50 1.08 1.10
WR34 22.0 - 33.0 34-303B-dBF-dBR-6-6 3.00 1.10 1.50 1.08 1.10
WR28 26.5 - 40.0 28-303B-dBF-dBR-6-6 4.00 1.00 2.15 1.00 2.00
Ordering Information WR -Mod -M -dB Dir -dB Dir -F1 -F2
Dual-Arm Crossguide Coupler, SMA                  

Example part number: 

90 -303 A -30 F -30 R -6 -6
Waveguide Size: (WR)
WR28 thru WR430 available		                
Basic Model No.: (-Mod)                
Material (M):
A=Aluminum, B=Copper/Brass		              
Arm 1 Coupling Value (-dB):
 30, 40, & 50 dB Std.**		            
Arm 1 Coupling Direction (Dir):
 F=Forward, R=Reverse, forward direction is standard		        
Arm 2 Coupling Value (-dB):
 30, 40, & 50 dB Std.**		          
Arm 2 Coupling Direction (Dir):
 F=Forward, R=Reverse, reverse direction is standard		      
Flange 1 (-F1): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke      
Flange 2 (-F2): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke
 See ATM Standard Flange page for more info.		    

* The Standard Model Numbers above are the most common parts ordered for size, material and flange.

Standard models have a coupling configuration of: Forward Coupling at the Coax port on arm 1 (see diagram above) and Reverse coupling at the Coax port on arm 2.  However, These models can easily be altered to accommodate your needs by using the Model # code system to the left.


**Insert desired coupling value (30, 40 or 50dB) where dB is listed in the model number.

 

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