Overview of communication system blocks. RF oscillator types and circuits. Loop gain analysis. Negative resistance analysis. Voltage controlled Oscillators (VCO). RF active mixers. Gilbert cell. Conversion loss. Nonlinear effects. Mixers applications in modulation, demodulation and frequency conversion. Tuner and resonant circuits. RF filter design: LPF, HPF, BPF and BSF. RF power amplifiers. RLC high-frequency system model. Impedance matching and transformations. Automatic gain control (AGC) circuits. Design of Low Noise Amplifiers (LNA). RF and IF tuned amplifiers. Phase locked loop design and applications. PCB RF design. Case studies. Project on the design, implementation and testing of RF circuits.