DB (η) = 10 log (0.5) = -3 dBWe know that,\(\eta = \frac{G}{D}\) In dB: (η)dB = (G)dB – (D)dB(G)dB = (η)dB + (D)dB= -3 dB + 30 dB= 27 dB

"> DB (η) = 10 log (0.5) = -3 dBWe know that,\(\eta = \frac{G}{D}\) In dB: (η)dB = (G)dB – (D)dB(G)dB = (η)dB + (D)dB= -3 dB + 30 dB= 27 dB

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The directivity of a prime-focal parabolic reflector antenna is 30 dBi. If the efficiency of the antenna is 50%, the gain of the antenna is:

General Knowledge General Awareness in General Knowledge . 7 months ago

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Given:Directivity (D) = 30 dBi, η = 50% = 0.5In DB (η) = 10 log (0.5) = -3 dBWe know that,\(\eta = \frac{G}{D}\) In dB: (η)dB = (G)dB – (D)dB(G)dB = (η)dB + (D)dB= -3 dB + 30 dB= 27 dB

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Posted on 13 Nov 2024, this text provides information on General Knowledge related to General Awareness in General Knowledge. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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