MINIATURE HIGH EFFICIENCY CHANNELIZED RECEIVERS

THIS PROJECT SEEKS TO DEMONSTRATE A STATE OF THE ART WIDEBAND CHANNELIZED RECEIVER FRONT END, USING NEWLY DEVELOPED GAAS MMIC TECHNOLOGY. BROADBAND CHANNELIZED RECEIVERS ARE NEEDED FOR HIGH PROBABILITY OF INTERCEPT IN THE INCREASINGLY DENSE EW ENVIRONMENT. THEY ARE NOT WIDELY USED DUE TO DEFICIENCIES IN SIZE, WEIGHT, DC CONSUMPTION AND COST. USING NEWLY DEVELOPED SUCCESSIVE DETECTION LOG VIDEO AMPLIFIERS AND LUMPED ELEMENT FILTERS IN MMIC FORM, ORDER OF MAGNITUDE IMPROVEMENT ON THE LISTED DEFICIENCIES WILL BE DEMONSTRATED. AN EXAMPLE IS A 0.5-18 GHZ TEN CHANNEL RECEIVER WITH 60 DB DYNAMIC RANGE CONSUMING LESS THAN 10 WATTS, WHILE OCCUPING 3X3X1 INCHES. A FINE RESOLUTION RECEIVER FOR SECOND CHANNELIZATION IS ALSO PROPOSED. AN ADDED BENEFIT IS THE VERY HIGH SPEED ACHIEVABLE. RADAR PULSES DOWN TO 20 NSEC MAY BE DETECTED WITH NEGLIGIBLE SHADOW TIME.