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E‐band transformer‐based differential 4‐way power‐combining amplifier
Author(s) -
Thian Mury
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.28433
Subject(s) - amplifier , electrical engineering , transformer , dbm , electronic engineering , engineering , microwave , rf power amplifier , power bandwidth , direct coupled amplifier , telecommunications , cmos , operational amplifier , voltage
This article presents the design and implementation of a differential 4‐way power‐combining amplifier operating at E‐band. The proposed 4‐way power combiner facilitates short interconnects to the power amplifier (PA) cells, thereby resulting in reduced loss. Simple C‐L‐C and L‐C networks are deployed to compensate inductive loading due to the routing lines that would otherwise introduce mismatch and subsequently increase overall loss. Realized in SiGe technology, the PA prototype delivered 13.2 dBm output‐referred 1‐dB compression point and 14.3 dBm saturated output power when operated from a single 3.3 V DC supply at 75 GHz. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:1764–1770, 2014