Servicing superheterodynes

Contents include: The Principles Underlying the Operation of the Superheterodyne Receiver; The Generation of and the Relation between Harmonics; Explanation of the Different Types of Superheterodyne Circuits; Function and Characteristics of Individual Parts of the Superheterodyne Receiver; Special Circuits and Tube Applications; Troubles and Symptoms Encountered in Superheterodynes; Application of Test Oscillators, and Intermediate Peak Frequencies of Commercial Receivers.