The book describes the current state of the technology of signal generation of various forms (sinusoidal and pulsed) in a wide range of frequencies (from infraniznyh to tens of GHz) and amplitudes .. Particular attention is paid to the description of serial oscillators of sinusoidal and pulse signals, functional generators, generators with digital synthesis of signal form and generators of signals of arbitrary form. Many examples of the use of signal generators in the research, testing and debugging of modern telecommunications, communication and radar equipment, as well as in the technique of physical experiment are given. The publication is designed for researchers, engineers, graduate students, teachers and students of universities and universities .