Electronic CommunicationsFor subjects in communication electronics, Roddy and Coolen have updated the book across the board and have suggested computer applications for problem-solving where appropriate. Pitch on a par with Tomasi, especially in use of mathematical formulas. |
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amplifier amplitude amplitude modulation antenna audio balanced modulator band band-pass bandwidth baseband bias binary bit-error C₁ Calculate capacitance capacitor carrier frequency channel codeword coefficient component constant crystal curve decibels demodulator detector Determine diode DSBSC encoded envelope detector equation equivalent circuit equivalent noise temperature error example Figure filter Fourier frequency modulation function gain given harmonic hence impedance inductance input load low-pass low-pass filter mixer modulated wave modulating signal modulation index noise bandwidth noise power noise voltage oscillator output voltage peak phase angle phase modulation phase shift plot polar Problem Q-factor quency R₁ range reactance receiver resistance resistor resonant result sampling Section shown in Fig shows side frequency sideband signal-to-noise ratio sinusoidal spectral density spectrum tion transistor transmission transmitted tuned circuit unipolar unmodulated V₁ voltage waveform zero