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// Chapter 6 example 15
//------------------------------------------------------------------------------
clc;
clear;
// Given data
f2 = 20; // pump frequency in GHz
f1 = 2; // signal frequency in GHz
// Calculations
Gp = (f1+f2)/f1; // power gain if parametric amp. operated as USB up-converter
Gp_dB = 10*log10(Gp); // power gain in dB
Gp_lsb = (f2-f1)/f1; // power gain if parametric amp. operated as LSB up-converter
Gp_db_lsb = 10*log10(Gp_lsb )// power gain in dB
// output
mprintf('Power gain of parametric amplifier when operated as USB up-converter = %3.1f dB\n Power gain of parametric amplifier when operated as LSB up-converter = %3.1f dB',Gp_dB,Gp_db_lsb)
//------------------------------------------------------------------------------
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