Per-Olof Brandt
Ericsson
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Publication
Featured researches published by Per-Olof Brandt.
IEEE Journal of Solid-state Circuits | 2004
Jeffrey B. Johnson; Alvin J. Joseph; David C. Sheridan; Ramana M. Maladi; Per-Olof Brandt; Jonas Persson; Jesper Andersson; Are Bjorneklett; Ulrika Persson; Fariborz Abasi; Lars Tilly
This paper discusses and illustrates the key device design issues for SiGe BiCMOS HBTs suitable for wireless power amplifier (PA) applications. Experimental results addressing ruggedness, ac performance, and safe operating area for high-breakdown SiGe HBTs built in several generations of BiCMOS technology are presented. Implications of recent high-performance SiGe HBT scaling achievements for BiCMOS technologies targeting wireless PA applications are considered. Circuit results for GSM, PCS, GPRS, and EDGE front-end modules have been obtained. A one-chip solution is demonstrated, including control circuitry and switching functionality, that supports all GPRS, PCS, and EDGE modes featuring output power at 33.8 dBm and overall power added efficiency of 37% withstanding voltage standing wave ratio conditions of 15:1.
Archive | 2004
Per-Olof Brandt; Jonas Persson
Archive | 2008
Per-Olof Brandt
Archive | 2003
Per-Olof Brandt; Jesper Olsander
Archive | 2001
Per-Olof Brandt
Archive | 2005
Jonas Persson; Per-Olof Brandt
Archive | 1998
Tomas Bolin; Per-Olof Brandt; Ulrik Imberg
Archive | 1998
Per-Olof Brandt
Archive | 2004
Lars Sundström; Per-Olof Brandt
Archive | 2001
Per-Olof Brandt
