3 modes of transmission of waveguide
Waveguides transmit signals via TE (Transverse Electric) modes (e.g., TE10 dominant in WR-90), TM (Transverse Magnetic) modes (like TM11 with cutoff frequency 6.56GHz), and hybrid modes (combining E/H fields). TE10 operates at 8.2–12.4GHz with lowest attenuation (0.1dB/m), while higher-order modes (TE20/TM11) cause dispersion losses >3dB/m. Precision machined flanges maintain VSWR <1.1 by suppressing unwanted modes. […]
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