New insight into subharmonic oscillation mode of GaAs power amplifiers under severe output mismatch condition. - James F. Imbornone; Michael T. Murphy; Robert S. Donahue; Eugene Heaney (IEEE J. Solid State Circuits, 1997)

A wide-band linear amplitude modulator for polar transmitters based on the concept of interleaving delta modulation. - Pierce Nagle; Phil Burton; Eugene Heaney; Finbarr McGrath (IEEE J. Solid State Circuits, 2002)