A circular copper waveguide has a radius of 0.6 cm and is filled with a Teflon having & 2.25 and tan 8-0.0002. Identify the first four propagating modes and their cutoff frequencies. For the dominant mode, calculate the total attenuation at 12 GHz.

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A circular copper waveguide has a radius of 0.6 cm and is filled with a Teflon having
&₁-2.25 and tan 8-0.0002. Identify the first four propagating modes and their cutoff
frequencies. For the dominant mode, calculate the total attenuation at 12 GHz.
Transcribed Image Text:A circular copper waveguide has a radius of 0.6 cm and is filled with a Teflon having &₁-2.25 and tan 8-0.0002. Identify the first four propagating modes and their cutoff frequencies. For the dominant mode, calculate the total attenuation at 12 GHz.
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