Journal
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS
Volume 69, Issue 6, Pages 2586-2591Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSII.2022.3165820
Keywords
Bandwidth; Topology; Switching converters; 5G mobile communication; Switches; Modulation; Inductors; Envelope tracking; supply modulator; power amplifier; 5G communication
Categories
Funding
- National Natural Science Foundation of China [62104207]
- Guangdong Basic and Applied Basic Research Foundation [2022A1515010557]
- Shenzhen Science and Technology Program [KQTD20200909114730003]
- Guangdong Provincial Key Laboratory of Future Networks of Intelligence
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This article provides a brief tutorial on designing a high efficiency envelope-tracking supply modulator using recent techniques. It discusses the design challenges for 5G communication applications and explores detailed techniques such as topology derivation, multi-level and fast-speed switching converter design considerations, voltage step-up and -down function implementations, linear amplifier bandwidth improvements, and measurement setups, offering design guidelines and considerations.
This brief provides a brief tutorial on designing a high efficiency envelope-tracking supply modulator with recent techniques. Design challenges for 5G communication applications are given. Detailed techniques covering topology derivation, multi-level and fast-speed switching converter design considerations, voltage step-up and -down function implementations, linear amplifier bandwidth improvements and measurement setup are discussed, providing design guidelines and considerations.
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