Hagen, Jon B. Radio-frequency electronics : circuits and applications / Jon B. Hagen. - 2nd ed. - Cambridge ; New York : Cambridge University Press, c2009. - xii, 438 p. : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 9780521889742 (hbk.) Subjects--Topical Terms: Radio circuits. Dewey Class. No.: 621.38412 / HAG 2009