RECTANGULAR WAVEGUIDE SPECIFICATIONS EIA WG Designation Recommended Operating Range for TE1,0 Mode Range In Cut-Off for TE1,0 Mode Range In Frequency (GHz-Sec) Wavelength (cm) Frequency (GHz-Sec) Wavelength (cm) WR137 5.85-8.20 5.12-3.66 4.285 6.996 1.47-1.05 1.48-1.17 WR102 7.00-11.00 4.28-2.72 5.786 5.182 1.65-1.05 1.78-1.18 WR112 7.05-10.00 4.25-2.99 5.260 5.700 1.49-1.05 1.51-1.17 Recommended Power Rating (At One Atmosphere) cw(KW) WR90 R/H 8.20-12.40 3.66-2.42 6.560 4.572 1.60-1.06 1.68-1.18 WR90 8.20-12.40 3.66-2.42 6.560 4.572 1.60-1.06 1.68-1.18 WR75 R/H 10.00-15.00 2.99-2.00 7.847 3.820 1.57-1.05 1.64-1.17 WR75 10.00-15.00 2.99-2.00 7.847 3.820 1.57-1.05 1.64-1.17 WR62 12.40-18.00 2.42-1.66 9.490 3.160 1.53-1.05 1.55-1.18 WR28 26.50-40.00 1.13-.75 21.10 1.422 1.59-1.05 1.65-1.17 10.0 8.0 5.0 4.0 6.0 4.8 2 3.0 2.4 1.8 2.8 2.2 1.8 1.4 0.5 0.4 peak(KW) Theoretical Attenuation lowest to highest frequency (dB/100 ft.) DIMENSIONS (Inches) 1.987-1.562 2.955-2.348 3.516-2.217 5.285-3.333 2.776-2.154 4.173-3.238 10.47-9.254 4.238-2.995 6.506-4.502 7.806-5.950 5.121-3.577 7.698-5.377 6.451-4.743 9.700-7.131 23.02-15.77 34.46-23.59 1980 1020 1280 340 760 280 620 460 100 Wall Thickness Nominal Inside Tol. ± Outside Tol. ± 1.372 x .622 0.004 1.500 x .750 .004 .064 1.020 x .510 0.005 1.148 x .638 .005 .064 1.122 x .497 0.004 1.250 x .625 .004 .064 .900 x .200 0.003 1.000 x .300 .003 .050 .900 x .400 0.003 1.000 x .500 .003 .050 .750 x .200 0.003 .850 x .300 .003 .050 .750 x .375 0.003 .850 x .475 .003 .050 .622 x .311 0.002 .702 x .391 .003 .040 .280 x .140 0.001 .360 x .220 .002 .040 DOUBLE RIDGE WAVEGUIDE SPECIFICATIONS Waveguide Size MIL-W-23351 Dash No. WRD 475D24 4-033 4-034 4-035 4-036 WRD 580D28 WRD 650D28 WRD 750D24 WRD 180C24 WRD 584 4-037 4-038 4-039 4-040 4-045 4-046 4-047 4-048 Material Aluminum Alloy Brass Copper Silver Alloy Aluminum Alloy Brass Copper Silver Alloy Aluminum Alloy Brass Copper Silver Alloy Aluminum Alloy Brass Copper Silver Alloy Aluminum Alloy Brass Copper Silver Alloy Aluminum Recommended Frequency Range TE1.0 Mode (GHz) (3) Cut-Off Frequency for TE1.0 Mode (GHz) 4.75 - 11.0 3.961 5.80 - 16.00 4.892 6.50 - 18.00 5.348 7.50 - 18.00 6.239 18.00 - 40.00 14.995 5.80 - 18.40 4.467 (1) =√ . Theoretical Attenuation Decibels/Foot 0.0487 0.0481 0.0324 0.0347 0.100 0.098 0.067 0.070 0.106 0.105 0.070 0.076 0.0964 0.0951 0.0641 0.0686 0.358 0.353 0.238 0.255 0.188 (2) Recommended Power Rating (at One Atmosphere) cw (KW) peak (KW) DIMENSIONS (Inches) A B C D E F R1 R2 8.0 85 1.090 0.506 1.190 0.606 0.272 0.215 0.043 0.030 5.2 32 0.780 0.370 0.880 0.470 0.200 0.120 0.043 0.015 4.0 25 0.721 0.321 0.821 0.421 0.173 0.101 0.022 0.020 4.8 35 0.691 0.321 0.791 0.421 0.173 0.136 0.027 0.020 0.8 5 0.288 0.134 0.368 0.214 0.072 0.057 0.011 0.015 4 30 0.720 0.310 0.925 0.510 0.180 0.064 0.043 0.015 Courtesy of Continental Microwave & Tool Company, Inc. and Microwave Development Co. (MDC) Teledyne TWT Products • 11361 Sunrise Park Drive • Rancho Cordova, CA 95742 • 916.638.3344 • www.teledynemicrowave.com 16