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160 Passaic Ave Fairfield NJ 973-808-9113
ULTRA-FLAT DIRECTIONAL COUPLERS

3.30 to 18.00 GHz

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Standard Coupling value 10, 20 or 30 dB (Others on special order)

ULTRA-FLAT DIRECTIONAL COUPLERS

     This series of ultra-flat broadwall couplers is designed for precision measurements in microwave circuits when the ultimate in flatness of coupled output power is required.  A unique design concept of combining tow Tchebycheff coupling arrays is incorporated to achieve this uniform output.  The coupling sensitivity is plus or minus 0.2 dB maximum over the full waveguide operating range.
     Standard values of couples are offered.  Other special coupling values are available on special request.  Alternate materials and flanges are available.  See flange section.  For power ratings of built-in terminations, refer to ratings on Page 33 (-54 series).  Finish is instrument gray enamel.

General Specifications:

Standard Coupling value ........ 10, 20 or 30 dB (Others on special order)
Standard Average Coupling ..  0.3 dB
Coupling Sensitivity  ............... 0.2 dB max.
Minimum Directivity  40 dB
Main Line VSWR 1.10 maximum
Secondary Line VSWR 1.20 maximum
Important ordering information:
When ordering, add dB coupling value to model number: i.e., to order a WR-90 size 20 dB coupler, specify 673-20.
WG
Size
Frequency
Range, GHz
Equivalent
Flange Type
WG
Mtl.
Inches
A
Inches
B
Inches
C
Model
No.
WR-229 3.30 to 4.90 CMR-229 Style BR 53.69 2.25 5.00 2973
WR-187 3.95 to 5.85 UG-149A/U Cover BR 46.50 2.13 3.50 373
WR-159 4.90 to 7.05 CMR-159 Style BR 38.75 2.00 3.25 5973
WR-137 5.85 to 8.20 UG-344/U Cover BR 35.38 1.75 3.00 473
WR-112 7.05 to 10.0 UG-51/U Cover BR 32.63 1.75 3.00 573
WR-102 7.00 to 11.0 UG-1493/U Cover BR 34.50 1.75 3.00 0273
WR-90 8.20 to 12.4 UG-39/U Cover BR 24.00 1.50 2.25 673
WR-75 10.0 to 15.0 WR-75 BR Cover BR 29.00 1.00 2.25 7573
WR-62 12.4 to 18.0 UG-419/U Cover BR 20.38 1.00 2.25 773

Please call if you need any further assistance or information.

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 160 Passaic Ave Fairfield NJ 973-808-9113

 P.O. BOX 718, West Caldwell, NJ (973) 808-9113 Fax (973) 808-1524

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