Page 95 - Waveguides Product Selection Guide

Waveguide Size

Cutoff Cutoff Inside Inside Inside Wall
EIA IEC Minimum Maximum Frequency Frequency Dimension Dimension
WR-(size) R(size) Frequency Frequency TE10 TE20 "a" "b" Tolerance Thickness
(GHz) (GHz) (in) (in) (±) (in)
2300 3 0.32 0.49 0.256 0.51 23 11.5 0.02 0.15
2100 4 0.35 0.53 0.28 0.56 21 10.5 0.02 0.125
1800 5 0.41 0.62 0.32 0.65 18 9 0.02 0.125
1500 6 0.49 0.75 0.39 0.78 15 7.5 0.015 0.125
1150 8 0.64 0.96 0.51 1.02 11.5 5.75 0.015 0.125
975 9 0.75 1.12 0.6 1.21 9.75 4.875 0.01 0.125
770 12 0.96 1.46 0.76 1.53 7.7 3.85 0.01 0.125
650 14 1.12 1.7 0.908 1.82 6.5 3.25 0.01 0.08
510 18 1.45 2.2 1.157 2.31 5.1 2.55 0.01 0.08
430 22 1.7 2.6 1.372 2.74 4.3 2.15 0.008 0.08
340 26 2.2 3.3 1.736 3.47 3.4 1.7 0.005 0.08
284 32 2.6 3.95 2.078 4.15 2.84 1.34 0.005 0.08
229 40 3.3 4.9 2.577 5.15 2.29 1.145 0.005 0.064
187 48 3.95 5.85 3.152 6.3 1.872 0.872 0.005 0.064
159 58 4.9 7.05 3.711 7.42 1.59 0.795 0.004 0.064
137 70 5.85 8.2 4.301 8.6 1.372 0.622 0.004 0.064
112 84 7.05 10 5.259 10.51 1.122 0.497 0.004 0.064
102 7 11 5.785 11.57 1.02 0.51 0.003 0.064
90 100 8.2 12.4 6.557 13.11 0.9 0.4 0.003 0.05
75 120 10 15 7.868 15.73 0.75 0.375 0.003 0.05
62 140 12.4 18 9.486 18.97 0.622 0.311 0.002 0.04
51 180 15 22 11.574 23.14 0.51 0.255 0.002 0.04
42 220 18 26.5 14.047 28.1 0.42 0.17 0.002 0.04
34 260 22 33 17.328 34.71 0.34 0.17 0.002 0.04
28 320 26.5 40 21.08 42.15 0.28 0.14 0.002 0.04
22 400 33 50 26.34 52.69 0.224 0.112 0.001 0.04
19 500 40 60 31.36 62.78 0.188 0.094 0.001 0.04
15 620 50 75 39.86 79.74 0.148 0.074 0.001 0.04
12 740 60 90 48.35 96.74 0.122 0.061 0.0005 0.04
10 900 75 110 59.01 118 0.1 0.05 0.0005 0.04
8 1200 90 140 73.6 147.53 0.08 0.04 0.0003 0.02
7 1400 110 170 90.9 181.5 0.065 0.0325 0.0002 0.02
5 1800 140 220 115.7 231.42 0.051 0.0255 0.0002 0.02
4 2200 172 260 137.243 274.485 0.043 0.0215 0.0002 0.02
3 2600 220 330 173.571 347.143 0.034 0.017 0.0002 0.02

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