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X‐band dual channel transmit/receive module using heterojunction multilayer substrate
Author(s) -
Jang SungHoon,
Nam ByungChang,
Kim JongPhil,
Kim and SeonJoo
Publication year - 2014
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.28470
Subject(s) - monolithic microwave integrated circuit , electrical engineering , noise figure , substrate (aquarium) , fabrication , microwave , optoelectronics , ceramic , channel (broadcasting) , electronic engineering , materials science , engineering , capacitor , active electronically scanned array , multi band device , radar , telecommunications , antenna (radio) , voltage , cmos , oceanography , geology , medicine , amplifier , alternative medicine , bistatic radar , pathology , radar imaging , composite material
This article presents a X‐band dual channel transmit/receive (T/R) Module for AESA radar applications. Instead of the conventional low temperature cofired ceramic technology, we suggested the heterojunction (Ceramic + FR4) multilayer substrate. This structure makes a simple T/R Module fabrication process with low cost. Dual channel allows reducing the size and weight of the T/R Module. Substrates has RF cavities to attach each MMIC chips. RF cavity has a subcover to seal the MMIC and to give an additional area for charging capacitors. The T/R Module's output power is 10 W, efficiency 23%, and noise figure is under 3 dB. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:1850–1854, 2014
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