GigaHertz 2003. Proceedings from the Seventh Symposium
 G. G Ewing; â€śHigh â€“Efficiency Radio-frequency Power Amplifiersâ€ť; Corvallis Oregon; USA; Oregon State University; 1964.
 N. O. Sokal and A. D. Sokal; â€śClass E a new class of highefficiency tuned single-ended switching power amplifiersâ€ť; IEEE J. Soild-State Circuits; vol. SC-10; No. 3; pp. 168-176; June 1975.
 H. Zirath and D. B. Rutledge; â€śAn LDMOS VHF Class-E power Amplifier Using a High-Q Novel Variable Inductorâ€ť; IEEE Transactions on Microwave Theory and Techniques; Vol. 47; No. 12; pp. 2534-2538; December 1999.
 A. J. Wilkinsin and J. K. A. Everard; â€śTransmission-Line Load- Network Topology for Class-E Power Amplifierâ€ť; IEEE Transactions on Microwave Theory and Techniques; Vol. 49; No. 6; pp. 1202-1204; June 2001.
 S. C. Cripps; â€śRF Power Amplifiers for Wireless Communicationsâ€ť; Artech House; Boston; 1999.
 F. H. Raab; â€śIdealized Operation of the Class E Tuned Power Amplifierâ€ť; IEEE Transactions on Circuits and Systems; Vol. CAS-24; No. 12; pp. 725-735; December 1977.
 S. Kee; â€śThe Class E/F Family of Harmonic-Tuned SwitchingPower amplifiersâ€ť; Ph.D. Dissertation; Department of Electrical Engineering; Caltech â€“ Pasadena; 2002.