Waveguide Couplers,

Broadwall Multi-hole Directional

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

ATM manufactures Waveguide multi-hole directional couplers in a variety of configurations, covering a full frequency range with multiple flange and coaxial connector types.  For more information feel free to call us and discuss your needs with one of our design engineers.
 

GENERAL SPECIFICATIONS ( All Options )

BROADWALL DIRECTIONAL COUPLERS

Electrical

Std.  Coupling Values:   3, 6, 10, 20, 30dB

Nominal Coupling:   +/- 0.70 (+/-1.0 for WR42, WR34, WR28)

Freq. Sensitivity:   +/- 0.60 (+/-0.75 for WR42, WR34, WR28)

VSWR

Primary Line max:   1.05 (1.10 for WR62, WR51, WR42, WR34, WR28)

Secondary W/G Line max:   1.10 (1.15 for WR42, WR34, WR28)

Secondary Coax Line max:   1.25 (1.4 for WR42, WR34, WR28)

Directivity:   40 dB typical, 30 min

RF Connectors: SMA \ Type-N, standard

Mechanical

Size:  See Tables

Body: Aluminum/Copper-Brass

Coax Connectors: Stainless Steel

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

Applicable Mil-Specs

General:

Product Specific:

 

4 Waveguide Port - Broadwall Directional Coupler
WG Size Freq. (GHz)

Standard

Model No.*

 Dim. A
inches		 Dim. B
inches		 Dim. C
inches
WR650 1.12 - 1.70 650-310A-dB-2-2-2-2 37.0 8.00 29.0
WR430 1.70 - 2.60 430-310A-dB-2-2-2-2 35.0 5.50 30.0
WR284 2.60 - 3.95 284-310A-dB-6-6-6-6 31.0 6.00 24.0
WR229 3.30 - 4.90 229-310A-dB-2-2-2-2 28.0 5.00 21.0
WR187 3.95 - 5.85 187-310A-dB-6-6-6-6 25.0 4.00 19.0
WR159 4.90 - 7.05 159-310A-dB-2-2-2-2 23.0 3.00 17.5
WR137 5.85 - 8.20 137-310A-dB-2-2-2-2 20.0 3.00 15.5
WR112 7.05 - 10.0 112-310A-dB-6-6-6-6 18.0 2.50 14.0
WR90 8.20 - 12.4 90-310A-dB-6-6-6-6 17.0 2.00 13.5
WR75 10.0 - 15.0 75-310A-dB-6-6-6-6 15.0 1.50 12.0
WR62 12.4 - 18.0 62-310A-dB-6-6-6-6 13.0 1.25 10.5
WR51 15.0 - 22.0 51-310A-dB-6-6-6-6 12.0 1.25 9.50
WR42 18.0 - 26.5 42-310A-dB-6-6-6-6 11.0 1.25 8.50
WR34 22.0 - 33.0 34-310A-dB-6-6-6-6 9.00 1.25 7.50
WR28 26.5 - 40.0 28-310A-dB-6-6-6-6 10.0 1.00 8.00
Ordering Information WR - Mod M - dB - F1 - F2 - F3 - F4
Broadwall Coupler, 4 W/G Port                

Example part number: 

137 -310 A -6 -2 -2 -2 -2
Waveguide Size: (WR)
WR28 thru WR650 available		              
Basic Model No.: (-Mod)
Material (M): A=Aluminum, B=Copper/Brass
Coupling (-dB): 3, 6, 10, 20 or 30 std.
Flange 1 (-F1): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke
Flange 2 (-F2): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke
Flange 3 (-F3): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke
Flange 4 (-F4): 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. However, these models can easily be altered to accommodate your needs by using the Model # code system to the left.

 

 

 3 Waveguide Port - Broadwall Directional Coupler
 WG Size Freq. (GHz)

Standard

Model No.*

 Dim. A
inches		 Dim. B
inches		 Dim. C
inches
WR284 2.60 - 3.95 284-304A-dB-6-6-6 50.25 6.00 2.66
WR229 3.30 - 4.90 229-304B-dB-2-2-2 42.00 6.81 1.84
WR187 3.95 - 5.85 187-304A-dB-6-6-6 34.62 6.44 1.81
WR159 4.90 - 7.05 159-304B-dB-2-2-2 32.50 4.50 1.56
WR137 5.85 - 8.20 137-304B-dB-2-2-2 26.50 3.06 1.56
WR112 7.05 - 10.0 112-304B-dB-6-6-6 18.62 3.06 1.56
WR90 8.20 - 12.4 90-304A-dB-6-6-6 16.68 2.50 1.50
WR75 10.0 - 15.0 75-304B-dB-6-6-6 15.00 2.50 1.25
WR62 12.4 - 18.0 62-304B-dB-6-6-6 13.75 2.18 0.66
WR51 15.0 - 22.0 51-304B-dB-6-6-6 11.50 1.25 0.66
WR42 18.0 - 26.5 42-304B-dB-6-6-6 9.50 1.25 0.75
WR34 22.0 - 33.0 34-304B-dB-6-6-6 9.00 1.25 0.75
WR28 26.5 - 40.0 28-304A-dB-6-6-6 8.00 1.12 0.75
Ordering Information WR - Mod M - dB - F1 - F2 - F3
Broadwall Coupler, 3 W/G Port              

Example part number: 

75 -304 B -10 -6 -6 -6
Waveguide Size: (WR)
WR28 thru WR284 available		            
Basic Model No.: (-Mod)
Material (M): A=Aluminum, B=Copper/Brass
Coupling (-dB): 3, 6, 10, 20 or 30 std.
Flange 1 (-F1): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke
Flange 2 (-F2): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke
Flange 3 (-F3): 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. However, these models can easily be altered to accommodate your needs by using the Model # code system to the left.


 

 

2 WG Ports, 1 SMA Port - Broadwall Directional Coupler
WG Size Freq. (GHz)

Standard

Model No.*

Dim. A
inches

Dim. B
inches

Dim. C
inches
WR430 1.70 - 2.60 430-305A-dB-2-2 60.00 3.76 5.00
WR284 2.60 - 3.95 284-305A-dB-6-6 50.25 2.55 2.66
WR229 3.30 - 4.90 229-305B-dB-2-2 42.00 2.22 2.25
WR187 3.95 - 5.85 187-305A-dB-6-6 34.62 1.81 2.00
WR159 4.90 - 7.05 159-305B-dB-2-2 32.50 1.82 1.75
WR137 5.85 - 8.20 137-305B-dB-2-2 26.50 1.56 1.75
WR112 7.05 - 10.0 112-305B-dB-6-6 18.62 1.38 1.75
WR90 8.20 - 12.4 90-305A-dB-6-6 16.68 1.20 1.75
WR75 10.0 - 15.0 75-305B-dB-6-6 15.00 1.17 1.50
WR62 12.4 - 18.0 62-305B-dB-6-6 13.75 1.05 1.00
WR51 15.0 - 22.0 51-305B-dB-6-6 11.50 0.97 0.75
WR42 18.0 - 26.5 42-305B-dB-6-6** 9.50 0.84 0.75
WR34 22.0 - 33.0 34-305B-dB-6-6** 9.00 0.84 0.75
WR28 26.5 - 40.0 28-305A-dB-6-6** 8.00 0.79 0.88
Ordering Information WR - Mod M - dB - F1 - F2
Broadwall Coupler, SMA            

Example part number: 

90 -305 A -30 -6 -6
Waveguide Size: (WR)
WR28 thru WR430 available		          
Basic Model No.: (-Mod)
Material (M): A=Aluminum, B=Copper/Brass
Coupling (-dB): 3, 6, 10, 20 or 30 std.
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. However, these models can easily be altered to accommodate your needs by using the Model # code system to the left.

 

** These units are supplied with 2.9mm (K-type) connectors - square flange.

 

 

 
2 WG Ports, 1 Type-N Port - Broadwall Directional Coupler
 WG Size Freq. (GHz)

Standard

Model No.*

 Dim. A
inches		 Dim. B
inches		 Dim. C
inches
WR430 1.70 - 2.60 430-306A-dB-2-2 60.00 4.12 5.00
WR284 2.60 - 3.95 284-306A-dB-6-6 50.25 2.91 2.66
WR229 3.30 - 4.90 229-306B-dB-2-2 42.00 2.58 2.25
WR187 3.95 - 5.85 187-306A-dB-6-6 34.62 2.17 2.00
WR159 4.90 - 7.05 159-306B-dB-2-2 32.50 2.18 1.75
WR137 5.85 - 8.20 137-306B-dB-2-2 26.50 1.92 1.75
WR112 7.05 - 10.0 112-306B-dB-6-6 18.62 1.73 1.75
WR90 8.20 - 12.4 90-306A-dB-6-6 16.68 1.56 1.75
WR75 10.0 - 15.0 75-306B-dB-6-6 15.00 1.52 1.50
WR62 12.4 - 18.0 62-306B-dB-6-6 13.75 1.41 1.00
Ordering Information WR - Mod M - dB - F1 - F2
Broadwall Coupler, Type-N            

Example part number: 

112 -306 B -30 -6 -6
Waveguide Size: (WR)
WR62 thru WR430 available		          
Basic Model No.: (-Mod)
Material (M): A=Aluminum, B=Copper/Brass
Coupling (-dB): 3, 6, 10, 20 or 30 std.
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. However, these models can easily be altered to accommodate your needs by using the Model # code system to the left.

 

 

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