TY - RPRT TI - High-Efficiency Inductive Output Tubes Using a Third Harmonic Drive on the Grid AU - Freund, H. P. AU - Ives, R. Lawrence AU - Sessions, Walter D. PY - 2020 DO - 10.1109/tps.2020.3027202 UR - https://www.osti.gov/biblio/1774084 ID - 1774084 ER -