Page 172 of Product Catalog by Maury Microwave

coaxial components directional couplers eia rigid line ­ high directivity description these precision directional couplers are designed utilizing eia rigid coaxial transmission line connectors in 7/8 and 1-5/8 line sizes on the mainline with a type n female secondary line output they provide the ability to perform precision swept frequency measurements in the larger coaxial line sizes these units offer high directivity and an accurate sample of forward or reflected power for use in variety of measurement applications for optimum accuracy maury precision bullets inner conductor connectors noted in the chart are recommended for use with these couplers individual support stands are available also as noted in the chart for convenient bench mounting coaxial components 2049m frequency range ghz model 7/8 eia 1-5/8 eia a dim 0.75 1.5 1.0 2.0 1.5 3.0 1.7 2.3 support stand bullet b dimension 2049c 2049d 2049e 2049m 2149g 2002a 2.31 2149c 2149d 2149e 2149m 2149g 2102a 3.42 7.88 7.04 6.51 6.51 specifications frequency range see chart coupling 10 db nominal frequency sensitivity ± 1.0 db 1 tracking unit to unit when paired 0.3 db directivity 40 db minimum 2 vswr maximum 1.10 primary 1.15 secondary 3 ii nominal impedance 50 ohm power handling 30 watts 4 i connectors primary line ­ see chart secondary line ­ type n female dimensions 1 2 see figure a page 159 for coupling curve frequency sensitivity spec does not apply 46 db minimum >50 db typical for models 2049m and 2149m maury 3 4 maximum vswr for models 2049e and m 2149 e and m is 1.15 primary 1.20 secondary conservatively rated consult us on higher power applications microwave 160

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