EMC FLEX BLOG A site dedicated to Automotive EMC Testing for Electronic Modules

Wavelength

16. December 2020 06:17 by Christian in Troubleshooting
Wavelength at 1 GHz = 1 foot

Rule of thumb: Wavelength at 1 GHz = 1 foot

(3 * 10meter/second)/(109 cycles/second) = 3 * 10-1 meters = 0.3 meters = 30cm

30 cm / 2.54 cm/inch = 11.81 inches

FrequencyWavelength
1 GHz1 ft
100 MHz10 ft
200 MHz5 ft
400 MHz2 1/2 ft
10 GHz1/10th feet = 1 1/4 inch
18 GHz1/20th feeth = 5/8 inch
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