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Title: Feed-forward digital phase and amplitude correction system

Phase and amplitude modifications in repeatable RF pulses at the output of a high power pulsed microwave amplifier are made utilizing a digital feed-forward correction system. A controlled amount of the output power is coupled to a correction system for processing of phase and amplitude information. The correction system comprises circuitry to compare the detected phase and amplitude with the desired phase and amplitude, respectively, and a digitally programmable phase shifter and attenuator and digital logic circuitry to control the phase shifter and attenuator. The phase and amplitude of subsequent are modified by output signals from the correction system. 11 figs.
Inventors:
;
Issue Date:
OSTI Identifier:
6816934
Assignee:
Duly Research, Inc., Rancho Palos Verdes, CA (United States) PTO; EDB-94-168765
Patent Number(s):
US 5365190; A
Application Number:
PPN: US 8-055314
Contract Number:
FG03-90ER80907
Resource Relation:
Patent File Date: 3 May 1993
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; MICROWAVE AMPLIFIERS; CORRECTIONS; CONTROL SYSTEMS; DATA PROCESSING; DESIGN; DIGITAL SYSTEMS; LOGIC CIRCUITS; PHASE SHIFT; AMPLIFIERS; ELECTRONIC CIRCUITS; ELECTRONIC EQUIPMENT; EQUIPMENT; MICROWAVE EQUIPMENT; PROCESSING 426000* -- Engineering-- Components, Electron Devices & Circuits-- (1990-)