Compact Layout Redesign of Output Matching Network of a 5.8-GHz SiGe Power Amplifier

Compact Layout Redesign of Output Matching Network of a 5.8-GHz SiGe Power Amplifier

This letter presents a general design methodology for compact layout of lumped element radio frequency (RF)/microwave matching networks based on partially overlapped inductors. We demonstrate the compact layout design approach on the output matching network of a TowerJazz 5.8-GHz SiGe power amplifie...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters Vol. 29; no. 12; pp. 791 - 794
Main Authors: Dong, Xuanyi, Masse, Chris, Rotella, Francis M., Weisshaar, Andreas
Format: Journal Article
Language:English
Published: IEEE 01-12-2019
Subjects:
Compact layout redesign
Couplings
footprint reduction
Impedance matching
Inductance
Inductors
Layout
Magnetic separation
matching network
power amplifier (PA)
Silicon germanium
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Summary:This letter presents a general design methodology for compact layout of lumped element radio frequency (RF)/microwave matching networks based on partially overlapped inductors. We demonstrate the compact layout design approach on the output matching network of a TowerJazz 5.8-GHz SiGe power amplifier (PA) IP block fabricated in the 180-nm SBC18QH process. Our redesigned matching network achieves approximately a 20% footprint reduction. Small-signal measurements of PAs with original and compact output matching network designs, respectively, show virtually identical broadband performance.
ISSN:1531-1309
1558-1764
DOI:10.1109/LMWC.2019.2948479