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Directional Broadwall Multi Hole

Ka-Band Broadwall Multi-Hole Directional Couplers

Waveguide Multi-Hole Couplers For Ka-Band

Narda-MITEQ manufactures Waveguide multi-hole directional couplers in a variety of configurations, covering Ka-Band frequency range with multiple flange and coaxial connector types.

Pressure sealed Ka-Band Multi-Hole Broadwall Directional Couplers are also available for microwave applications that require sealed systems.

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: +/-1.00dB
Freq. Sensitivity: +/-0.40dB
VSWR
Primary Line max: 1.10
Secondary W/G Line max: 1.15
Secondary Coax Line max: 1.40
Directivity: 40 dB typical, 30 min

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.
Options
Pressure Sealed Units: Add "/PT" to model number.
Example P/N: 34ka-310A-30-6-6-6-6
Sealed P/N: 34ka-310A-30-6-6-6-6/PT
Note: Pressure sealed units will hold 15 psi assuming all waveguide and coax ports are mated and sealed.

 

4 Waveguide Port - Broadwall Directional Coupler
Ka-Band, Downlink 18.3 - 20.2GHz, Uplink 27.5 - 31.0GHz
Waveguide Broadwall Multi-Hole Directional Coupler - Series 310
Waveguide Broadwall Multi-Hole Directional Coupler - Series 310
4-Way Broadwall Multi-Hole Directional Coupler - Series 310 - Diagram
4-Way Broadwall Multi-Hole Directional Coupler - Series 310 - Diagram
 WG Size Freq. (GHz) Standard
Model No.*		 Dim A
Inches		 Dim B
Inches		 Dim C
Inches
 WR51  18.3 - 20.2  51ka-310A-dB-6-6-6-6  12.0  1.25   9.50
 WR42  18.3 - 20.2  42ka-310A-dB-6-6-6-6  11.0  1.25  8.50
 WR34  27.5 - 31.0  34ka-310A-dB-6-6-6-6  9.0  1.25  7.50
 WR28  27.5 - 31.0  28ka-310A-dB-6-6-6-6  10.0  1.25  8.00
Ordering Information
Broadwall Coupler, 4 Waveguide Ports for Ka-Band
 WR -Mod M -dB -F1 -F2 -F3 -F4
Example part number:  34ka -310 A -30 -6 -6 -6 -6
Waveguide Size: (WR)
WR28 thru WR51 available		              
Basic Model No.: (-Mod)            
Material (M): A=Aluminum, B=Copper/Brass          
Coupling (-dB): 3, 6, 10, 20 or 30 std          
Flange 1 (-F1): 6=Cover, 7=Choke      
Flange 2 (-F2): 6=Cover, 7=Choke      
Flange 3 (-F3): 6=Cover, 7=Choke  
Flange 4 (-F4): 6=Cover, 7=Choke
See Narda-MITEQ 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 for your needs by using the Model # code system at left.

The dimensions shown are for units with coupling values of 20dB or higher; for lower coupling values (3, 6, 10 dB) the "A" and "C" dimensions could be larger, contact factory.

Option: Add /PT to part number for pressure sealed unit to 15 psi.

 

3 Waveguide Port - Broadwall Directional Coupler
Ka-Band, Downlink 18.3 - 20.2GHz, Uplink 27.5 - 31.0GHz
3-Port Broadwall Multi-Hole Coupler - Series 304
3-Port Broadwall Multi-Hole Coupler - Series 304
3-Port Broadwall Multi-Hole Coupler - Series 304 - Diagram
3-Port Broadwall Multi-Hole Coupler - Series 304 - Diagram
 WG Size Freq. (GHz) Standard
Model No.*		 Dim A
Inches		 Dim B
Inches		 Dim C
Inches		 Outline
Drawing
 WR51 18.3 - 20.2 51ka-304B-dB-6-6-6  11.50  1.25  0.66 Dwg
 WR42 18.3 - 20.2 42ka-304B-dB-6-6-6  9.50  1.25  0.75 Dwg
 WR34 27.5 - 31.0 34ka-304B-dB-6-6-6  9.00  1.25  0.75 Dwg
 WR28 27.5 - 31.0 28ka-304B-dB-6-6-6  8.00  1.25  0.75 Dwg
Ordering Information
Broadwall Coupler, 3 Waveguide Port for Ka-Band
 WR -Mod M -dB -F1 -F2 -F3
Example part number:  34ka -304 A -30 -6 -6 -6
Waveguide Size: (WR)
WR28 thru WR51 available		            
Basic Model No.: (-Mod)          
Material (M): A=Aluminum, B=Copper/Brass        
Coupling (-dB): 3, 6, 10, 20 or 30 std        
Flange 1 (-F1): 6=Cover, 7=Choke    
Flange 2 (-F2): 6=Cover, 7=Choke    
Flange 3 (-F3): 6=Cover, 7=Choke
See Narda-MITEQ 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 for your needs by using the Model # code system at left.

Option: Add /PT to part number for pressure sealed unit to 15 psi.

 

2 Waveguide Port, 1 SMA - Broadwall Directional Coupler
Ka-Band, Downlink 18.3 - 20.2GHz, Uplink 27.5 - 31.0GHz
2-Port, 1 SMA Broadwall Directional Coupler - Series 305
2-Port, 1 SMA Broadwall Directional Coupler - Series 305
2-Port, 1 SMA Waveguide Broadwall Directional Coupler - Series 305 - Diagram
2-Port, 1 SMA Waveguide Broadwall Directional Coupler - Series 305 - Diagram
 WG Size Freq. (GHz) Standard
Model No.*		 Dim A
Inches		 Dim B
Inches		 Dim C
Inches		 Outline
Drawing
 WR51 18.3 - 20.2 51ka-305A-dB-6-6  11.50  0.97  0.66 Dwg
 WR42 18.3 - 20.2 42ka-305A-dB-6-6**  9.50  0.84  0.75 Dwg
 WR34 27.5 - 31.0 34ka-305A-dB-6-6**  9.00  0.84  0.75 Dwg
 WR28 27.5 - 31.0 28ka-305A-dB-6-6**  8.00  0.79  0.88 Dwg
Ordering Information
Broadwall Coupler, 2 Waveguide Ports, 1 SMA for Ka-Band
 WR -Mod M -dB -F1 -F2
Example part number:  34ka -305 A -30 -6 -6
Waveguide Size: (WR)
WR28 thru WR51 available		          
Basic Model No.: (-Mod)        
Material (M): A=Aluminum, B=Copper/Brass      
Coupling (-dB): 3, 6, 10, 20 or 30 std      
Flange 1 (-F1): 6=Cover, 7=Choke  
Flange 2 (-F2): 6=Cover, 7=Choke
See Narda-MITEQ 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 for your needs by using the Model # code system at left.

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

Option: Add /PT to part number for pressure sealed unit to 15 psi.