A communication system delivers an output given by: u(t)= A x [cos(2 t)...
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A communication system delivers an output given by: u(t)= A x [cos(2 × × × t) + a x cos(2 × × fm × t)] × [cos(2 × × fe × t + c)] with fe >> fm. Hence, determine the following: (i) Discrete spectral frequencies of the output, u.(t) (ii) Corresponding to the output voltage u(t), rms power-levels (in watts) of the spectral components in a load of R, ohm (iii) (iv) (v) Total rms output signal power (S, in W) dissipated in R, ohm Input SNR (in dB), given the noise power-level at the output as PN. (in pW) and the noise figure of the stage is NF dB Input signal power level in dBm, given the power gain of the stage is G dB Assume the values in the Data Table as listed below: A in a mV 1 0.5 Data Table fm in Hz fc in Hz (phic) in R, in (PN). radians ohm p/4 in pW 5000 1000000 1000 100 G NF dB dB 4 15 A communication system delivers an output given by: u(t)= A x [cos(2 × × × t) + a x cos(2 × × fm × t)] × [cos(2 × × fe × t + c)] with fe >> fm. Hence, determine the following: (i) Discrete spectral frequencies of the output, u.(t) (ii) Corresponding to the output voltage u(t), rms power-levels (in watts) of the spectral components in a load of R, ohm (iii) (iv) (v) Total rms output signal power (S, in W) dissipated in R, ohm Input SNR (in dB), given the noise power-level at the output as PN. (in pW) and the noise figure of the stage is NF dB Input signal power level in dBm, given the power gain of the stage is G dB Assume the values in the Data Table as listed below: A in a mV 1 0.5 Data Table fm in Hz fc in Hz (phic) in R, in (PN). radians ohm p/4 in pW 5000 1000000 1000 100 G NF dB dB 4 15
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Related Book For
Taxation Of Individuals And Business Entities 2023 Edition
ISBN: 9781265790295
14th Edition
Authors: Brian Spilker, Benjamin Ayers, John Barrick, Troy Lewis, John Robinson, Connie Weaver, Ronald Worsham
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