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NASA's Voyager 1 spacecraft has 3.7-m diameter antenna, 23-W transmitter, an frequency of 8.4 GHz. Voyager's signal is received by the Earth-based NAS Network using 34-m diameter antennas. As of 2020-12-28, Voyager 1 is about km from Earth. An antenna with area A has gain G₁B = 10 log(47A/X²). Assun

NASA's Voyager 1 spacecraft has 3.7-m diameter antenna, 23-W transmitter, an frequency of 8.4 GHz. Voyager's signal is received by the Earth-based NAS Network using 34-m diameter antennas. As of 2020-12-28, Voyager 1 is about km from Earth. An antenna with area A has gain G₁B = 10 log(47A/X²). Assun

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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NASA's Voyager 1 spacecraft has 3.7-m diameter antenna, 23-W transmitter, and operates at a frequency of 8.4 GHz. Voyager's signal is received by the Earth-based NASA Deep Space Network using 34-m diameter antennas. As of 2020-12-28, Voyager 1 is about 18,900,000,000 km from Earth. An antenna with area A has gain GdB 10 log (4T A/X²). Assuming free-space propagation, how much power is a Deep Space Network antenna receiving? Express the answer in dBm and watts with three significant figures. = AA batteries hold about 1 W-hr or 3,600 J of energy. The age of the universe is about 13.8 billion years with 1 yr = 365.25 24 60 60 sec. If you used the received power from Voyager 1, how many times the age of the universe would it take to fully charge one AA battery?
Transcribed Image Text:NASA's Voyager 1 spacecraft has 3.7-m diameter antenna, 23-W transmitter, and operates at a frequency of 8.4 GHz. Voyager's signal is received by the Earth-based NASA Deep Space Network using 34-m diameter antennas. As of 2020-12-28, Voyager 1 is about 18,900,000,000 km from Earth. An antenna with area A has gain GdB 10 log (4T A/X²). Assuming free-space propagation, how much power is a Deep Space Network antenna receiving? Express the answer in dBm and watts with three significant figures. = AA batteries hold about 1 W-hr or 3,600 J of energy. The age of the universe is about 13.8 billion years with 1 yr = 365.25 24 60 60 sec. If you used the received power from Voyager 1, how many times the age of the universe would it take to fully charge one AA battery?
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