rlc electronics, inc. 83 radio circle, mount kisco, new york 10549 telephone 914-241-1334 fax 914-241-1753 e-mail: sales@rlcelectronics.com www.rlcelectronics.com specifications subject to change without notification. toleran ces unless otherwise specified ar e .xx +/- .02, xxx +/- .005 specials requiring closer tolerances, different frequency ranges, special connectors, different materials, finishes, etc. can be furnishe d upon request. waveguide broadwall coupler rlc electronics offers a standard range of multi-hole broadwall directional couplers covering the frequencies from 40 ghz to 2.6 ghz in standard waveguide sizes. the electrical characteristics of high directivity and coupling flatness are achieved by using a precise machined coupling hole pattern and a precision load in the secondary arm. non standard configurations or sel ected electrical parameters are available on request. wbc-1-2-3-4-5 waveguide size frequency dimensions a b c wr-28 26.50 - 40.00 9.00 1.25 0.90 wr-42 18.00 - 26.5 10.5 1.38 0.90 wr-62 12.40 - 18.00 12.5 2.00 1.00 wr-75 10.00 - 15.00 14.00 2.00 1.00 wr-90 8.20 - 12.40 17.00 2.00 1.25 wr-137 5.85 - 8.20 22.00 3.00 1.50 wr-284 2.60 - 3.95 46.00 6.50 2.50 vswr: primary: 1.1:1 max secondary: 1.15:1 max coupling values: 10, 20, 30, 40, 50 db +/- 1 db directivity: 35 db min flange type: 1 = cover 2 = choke 3 = cprf 4 = cmr to designate coupler, (1) waveguide size (2) coupling value (3) flange 1 (4) input flange 2 (5) coupled output flange, or r= sma(f), n= n(f)
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