DC Amplifiers, Darlington, differential amplifiers, operational amplifiers, power amplifiers (Class A, B, C, Push-Pull). Active and passive filters, ADC, DAC and PLL circuits. Analysis and design of BJT, jFET and MOSFET circuits (graphical analysis, equivalent circuits, small signal amplifiers with resonators, tuned and non-tuned amplifiers, feedback, oscillators, AM modulation-demodulation, DSB, SSB, FM, stereo emission and reception).