7.32. Data has to be transmitted from a remote space probe via an RF link. The baseband data signal has a bandwidth of 1.5 MHz and a normalized power of watt. CW modulation is used to transfer the data signal on to an RF carrier. The RF channel introduces a power loss of 60 dB and adds white noise with a psd of n/2 = 10-¹2 watt/Hz. For proper decoding of the data, it is required that (S/N) at the output of the receiver be >20 dB. The power source on the space probe can supply an average power of 10 watts to the RF transmitter on board. Design a suitable CW modulation/demodulation scheme for this application.
7.32. Data has to be transmitted from a remote space probe via an RF link. The baseband data signal has a bandwidth of 1.5 MHz and a normalized power of watt. CW modulation is used to transfer the data signal on to an RF carrier. The RF channel introduces a power loss of 60 dB and adds white noise with a psd of n/2 = 10-¹2 watt/Hz. For proper decoding of the data, it is required that (S/N) at the output of the receiver be >20 dB. The power source on the space probe can supply an average power of 10 watts to the RF transmitter on board. Design a suitable CW modulation/demodulation scheme for this application.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Please design it using Am or fm or pm or ssb or dsb-sc
Transcribed Image Text:7.32. Data has to be transmitted from a remote space probe via an RF link.
The baseband data signal has a bandwidth of 1.5 MHz and a normalized
power of watt. CW modulation is used to transfer the data signal on to
an RF carrier. The RF channel introduces a power loss of 60 dB and
adds white noise with a psd of n/2 = 10-¹2 watt/Hz. For proper decoding
of the data, it is required that (S/N) at the output of the receiver be
>20 dB. The power source on the space probe can supply an average
power of 10 watts to the RF transmitter on board. Design a suitable CW
modulation/demodulation scheme for this application.
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