This second, updated edition of the best-selling Radio-Frequency Electronics introduces the basic concepts and key circuits of radio-frequency systems. It covers the fundamental principles applying to all radio devices, from wireless single-chip data transceivers to high-power broadcast transmitters. This new edition is extensively revised and expanded throughout, including additional chapters on radar, digital modulation, GPS navigation, and S-parameter circuit analysis. New worked examples and end-of-chapter problems are included to aid and test understanding of the topics covered, as well as numerous extra figures to provide a visual aid to learning. Key topics covered include filters, amplifiers, oscillators, modulators, low-noise amplifiers, phase lock loops, transformers, waveguides, and antennas. Assuming no prior knowledge of radio electronics, this is a perfect introduction to the subject. It is an ideal textbook for junior or senior courses in electrical engineering, as well as an invaluable reference for professional engineers in this area.power. amplifiers. An amplifier is a circuit designed to impose a specified voltage waveform, V(t), or, sometimes, a specified ... In a public address system, an audio amplifier produces a scaled-up copy of the microphone voltage (the input signal) and ... aresistance-controlleda1 circuits in which transistors (or vacuum tubes) are used as electronically variable resistors to ... Such circuits span the range from monolithic op-amps to the output amplifiers in high-power microwave transmitters .
|Author||:||Jon B. Hagen|
|Publisher||:||Cambridge University Press - 2009-06-11|