TY - BOOK AU - Tucker,D.G. TI - Circuits with periodically-varying parameters: including modulators and parametric amplifiers T2 - Trends and developments in engineering series U1 - 621.3815 PY - 1964/// CY - Princeton ; N.J. PB - Van Nostrand KW - Electronic circuits KW - Parametric amplifiers KW - Modulation (Electronics) N1 - Include bibliography and index ER -