Overview. Lawrence E. Larson received the BS in Electrical Engineering from Cornell University, Ithaca, and a PhD from UCLA. From 1980 to 1996 he was at Hughes Research Laboratories in Malibu, CA, where he directed the development of high-frequency microelectronics in GaAs, InP and Si/SiGe and MEMS technologies.
Sep 30, 2015 · The envelope detector always works even when the audio is taken from a product detector in synchronous mode. In a receiver AGC is implemented by controlling IF stages gain by (a) second gate of a dual-gate MOSFET (MOS tetrode), (b) by the top "storey" of a cascode of (c) simply by controlling bias of a bipolar transistor.