Text this: A PAE of 17.5% Ka-band balanced frequency doubler with conversion gain of 20 dB

  _____     _____   __    __    ______    ______  
 /  ___||  |  ___|| \ \\ / //  /_   _//  /_   _// 
| // __    | ||__    \ \/ //    -| ||-     | ||   
| \\_\ ||  | ||__     \  //     _| ||_    _| ||   
 \____//   |_____||    \//     /_____//  /__//    
  `---`    `-----`      `      `-----`   `--`