Avalanche breakdown protection by adaptive output power control

A. Bezooijen, van, F.E. van Straten, R. Mahmoudi, A.H.M. Roermund, van

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

15 Citations (Scopus)

Abstract

Cellular phone power amplifier transistors, implemented in low-cost silicon technology, suffer from destructive breakdown. Their breakdown voltage is insufficient to withstand the high collector voltages that occur under extremes. To avoid breakdown an adaptive output power control concept is proposed that makes use of the detected collector peak voltage to limit the output power once a threshold level is crossed. Output power is limited by reducing the effective power control voltage. It avoids opposite actuation of the protection loop and that of the power control loop. For a supply voltage of 5 V and a nominal output power of 2 W no breakdown is observed for a VSWR of 10 over all phases.
Original languageEnglish
Title of host publicationProceedings of the IEEE Radio and Wireless Symposium, 17-19 January 2006, San Diego, California
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages519-522
ISBN (Print)0-7803-9412-7
DOIs
Publication statusPublished - 2006
Eventconference; IEEE Radio and Wireless Symposium January 2006, San Diego, U.S. -
Duration: 1 Jan 2006 → …

Conference

Conferenceconference; IEEE Radio and Wireless Symposium January 2006, San Diego, U.S.
Period1/01/06 → …
OtherIEEE Radio and Wireless Symposium January 2006, San Diego, U.S.

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  • Cite this

    Bezooijen, van, A., van Straten, F. E., Mahmoudi, R., & Roermund, van, A. H. M. (2006). Avalanche breakdown protection by adaptive output power control. In Proceedings of the IEEE Radio and Wireless Symposium, 17-19 January 2006, San Diego, California (pp. 519-522). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/RWS.2006.1615208