Combined linear and Δ-modulated switched-mode PA supply modulator for polar transmitters

Jennifer Kitchen; Wlng Yee Chu; Ilker Deligoz; Sayfe Kiaei; Bertan Bakkaloglu

doi:10.1109/ISSCC.2007.373598

Combined linear and Δ-modulated switched-mode PA supply modulator for polar transmitters

Jennifer Kitchen, Wlng Yee Chu, Ilker Deligoz, Sayfe Kiaei, Bertan Bakkaloglu

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

30 Scopus citations

Abstract

A combined linear and Δ-modulated switched-mode PA supply modulator for polar transmitters is designed in a 0.25μm CMOS process. The modulator follows the input envelope and achieves 20dB output DR, a maximum efficiency of 75.5%, and 75dB SNDR for envelope signals up to 4MHz occupied RF BW. For a 1625kb/s 8PSK RF input at 900MHz, polar modulation of a GSM-900 PA provides 10dB ACPR improvement.

Original language	English (US)
Title of host publication	2007 IEEE International Solid-State Circuits Conference, ISSCC - Digest of Technical Papers
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	82-84
Number of pages	3
ISBN (Print)	1424408539, 9781424408535
DOIs	https://doi.org/10.1109/ISSCC.2007.373598
State	Published - 2007
Event	54th IEEE International Solid-State Circuits Conference, ISSCC 2007 - San Francisco, CA, United States Duration: Feb 11 2007 → Feb 15 2007

Publication series

Name	Digest of Technical Papers - IEEE International Solid-State Circuits Conference

Other

Other	54th IEEE International Solid-State Circuits Conference, ISSCC 2007
Country/Territory	United States
City	San Francisco, CA
Period	2/11/07 → 2/15/07

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/ISSCC.2007.373598

Cite this

Kitchen, J., Chu, W. Y., Deligoz, I., Kiaei, S., & Bakkaloglu, B. (2007). Combined linear and Δ-modulated switched-mode PA supply modulator for polar transmitters. In 2007 IEEE International Solid-State Circuits Conference, ISSCC - Digest of Technical Papers (pp. 82-84). Article 4242275 (Digest of Technical Papers - IEEE International Solid-State Circuits Conference). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISSCC.2007.373598

Combined linear and Δ-modulated switched-mode PA supply modulator for polar transmitters. / Kitchen, Jennifer; Chu, Wlng Yee; Deligoz, Ilker et al.
2007 IEEE International Solid-State Circuits Conference, ISSCC - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., 2007. p. 82-84 4242275 (Digest of Technical Papers - IEEE International Solid-State Circuits Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kitchen, J, Chu, WY, Deligoz, I, Kiaei, S & Bakkaloglu, B 2007, Combined linear and Δ-modulated switched-mode PA supply modulator for polar transmitters. in 2007 IEEE International Solid-State Circuits Conference, ISSCC - Digest of Technical Papers., 4242275, Digest of Technical Papers - IEEE International Solid-State Circuits Conference, Institute of Electrical and Electronics Engineers Inc., pp. 82-84, 54th IEEE International Solid-State Circuits Conference, ISSCC 2007, San Francisco, CA, United States, 2/11/07. https://doi.org/10.1109/ISSCC.2007.373598

Kitchen J, Chu WY, Deligoz I, Kiaei S , Bakkaloglu B. Combined linear and Δ-modulated switched-mode PA supply modulator for polar transmitters. In 2007 IEEE International Solid-State Circuits Conference, ISSCC - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc. 2007. p. 82-84. 4242275. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference). doi: 10.1109/ISSCC.2007.373598

Kitchen, Jennifer ; Chu, Wlng Yee ; Deligoz, Ilker et al. / Combined linear and Δ-modulated switched-mode PA supply modulator for polar transmitters. 2007 IEEE International Solid-State Circuits Conference, ISSCC - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., 2007. pp. 82-84 (Digest of Technical Papers - IEEE International Solid-State Circuits Conference).

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abstract = "A combined linear and Δ-modulated switched-mode PA supply modulator for polar transmitters is designed in a 0.25μm CMOS process. The modulator follows the input envelope and achieves 20dB output DR, a maximum efficiency of 75.5%, and 75dB SNDR for envelope signals up to 4MHz occupied RF BW. For a 1625kb/s 8PSK RF input at 900MHz, polar modulation of a GSM-900 PA provides 10dB ACPR improvement.",

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Combined linear and Δ-modulated switched-mode PA supply modulator for polar transmitters

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