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Type:

Style:

Waveguide Material:

Type / Style Flange 1:

Type / Style Flange 2:

Flange Profile:

Flange Plating:

Operating Frequency Range:

EIA Waveguide Size (WR):

VSWR:

:1

Coupling:

dB

Directivity:

dB

Length:

Help with RF Waveguide Couplers specifications:

Type and Style
   Type       
   Your choices are...         
   Unidirectional       The single directional coupler is a 3-port device that has a main line input and output and a coupled line that has a coupled output and an internal termination on the 4th port. Power passing from input to output is coupled to the coupled output and any reflected power from the main line output is coupled to the termination. The coupled output is thus isolated from the main output. A uni-directional coupler has the reverse coupled port internally terminated. 
   Bidirectional       The bi-directional coupler is a 4-port device identical to the uni-directional coupler, but with the termination removed from the 4th port. Main line power is coupled to the forward output of the secondary line and reflected power is coupled to the reflected output. It must be noted that for isolation to be attained, coupled outputs must be obtained through well-matched terminations at each port. A bidirectional coupler is not internally terminated at the reverse coupled port. It is intended to allow the transmission of forward and reflected signals. 
   Dual Directional       The dual directional coupler is a 4-port device that is constructed of 2 single directional couplers described above. They can either be connected back-to- back in series, with the main line output of the forward coupler connected to the output of the second coupler, or integrated into one device with a single main line and 2 secondary lines. The advantage of this integration is a more compact unit (shorter), and because there is only one main line, insertion loss is less and higher isolation is more easily attained. 
   Other       Other unlisted coupler types. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Style       
   Your choices are...         
   Standard       Standard couplers are couplers with two terminals. Normally these couplers are made of straight waveguide sections. 
   Crossguide       Crossguide couplers have two branches with four terminals. 
   Loop       Loop couplers are a special type of coupler normally used in antennas.  A coaxial connector serves are one of the terminals. 
   Multihole       A waveguide directional coupler with more than one output. It can be used to measure the microwave energy traveling through a waveguide system. 
   Other       Other unlisted or proprietary coupler style. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Waveguide Specifications
   Waveguide Material       
   Your choices are...         
   Aluminum       Waveguides are made of aluminum. 
   Brass       Waveguides are made of brass. 
   Bronze       Waveguides are made of bronze. 
   Copper       Waveguides are made of copper. 
   Silver       Waveguides are made of silver. 
   Other       Other unlisted materials. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Type / Style Flange 1       
   Your choices are...         
   UG       Union guide (UG) is the military standard MIL-DTL-3922 for a range of flange types. 
   CMR       CMR flanges are miniature versions of connector pressurized rectangular (CPR) flanges. 
   CPRG       CPRG flanges are grooved versions of connector pressurized rectangular (CPR) flanges.    
   CPRF       CPRF flanges are flat versions of connector pressurized rectangular (CPR) flanges.  
   Cover or Plate       Cover or plate flanges are square, flat UG style flanges. 
   Choke       Chokes flanges are UG style flanges with an o-ring groove and a choke cavity. 
   Other       Other unlisted flange types. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Type / Style Flange 2       
   Your choices are...         
   UG       Union guide (UG) is the military standard MIL-DTL-3922 for a range of flange types. 
   CMR       CMR flanges are miniature versions of connector pressurized rectangular (CPR) flanges. 
   CPRG       CPRG flanges are grooved versions of connector pressurized rectangular (CPR) flanges.  
   CPRF       CPRF flanges are flat versions of connector pressurized rectangular (CPR) flanges.  
   Cover or Plate       Cover or plate flanges are square, flat UG style flanges. 
   Choke       Chokes flanges are UG style flanges with an o-ring groove and a choke cavity. 
   Other       Other unlisted flange types. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Flange Profile       
   Your choices are...         
   Rectangular       Flanges are rectangular. 
   Square       Flanges are square. 
   Circular       Flanges are circular. 
   Other       Other unlisted flange shapes. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Flange Plating       
   Your choices are...         
   Non-plated       Flanges are not plated. 
   Cadmium       Flanges have cadmium plating. 
   Nickel       Flanges have nickel plating. 
   Rhodium       Flanges have rhodium plating. 
   Silver       Flanges have silver plating. 
   Tin       Flanges have tin plating. 
   Other       Other unlisted plating material or type. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Performance
   Operating Frequency Range:       The frequency range for which the device will meet all guaranteed specifications. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   EIA Waveguide Size (WR)       Waveguide sizes are approved by the Electronic Industry Alliance (EIA). 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   VSWR       Voltage standing wave ratio (VSWR) is a unit less ratio ranging from one to infinity, expressing the amount of reflected energy at the input or output of the device.  A value of one indicates that all of the energy will pass through, while any other value indicates that a portion of the energy will be reflected. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Coupling:       A measure that gives the amount by which the signal in the main guide is greater than that coupled to the secondary waveguide. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Directivity:       A measure of the ratio between the power coupled to the secondary guide, for signals traveling in the two possible directions along the main guide. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Length       This is the waveguide length or height. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
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