5 differences between rectangular and circular waveguide
Rectangular waveguides (e.g., WR-90) support TE10 dominant mode at 8.2–12.4GHz with 0.1dB/m loss, while circular waveguides handle TE11 mode but suffer higher attenuation (0.3dB/m). Rectangular types offer 30% wider bandwidth, whereas circular variants enable polarization rotation. Machining tolerances are stricter for circular guides (±0.0005″ vs. ±0.001″), and rectangular flanges resist misalignment better due to keyed […]
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