A 2.4-GHz CMOS driver amplifier based on multiple-gated transistor and resistive source degeneration for mobile WiMAX

Jongsik Kim; Tae Wook Kim; Minsu Jeong; Boeun Kim; Hyunchol Shin

doi:10.1109/ASSCC.2006.357899

A 2.4-GHz CMOS driver amplifier based on multiple-gated transistor and resistive source degeneration for mobile WiMAX

Jongsik Kim, Tae Wook Kim, Minsu Jeong, Boeun Kim, Hyunchol Shin

Department of Electrical and Electronic Engineering

Research output: Contribution to conference › Paper › peer-review

10 Citations (Scopus)

Abstract

A CMOS driver amplifier employs two design techniques to improve its linearity in wide output power level. First, multiple-gated transistor (MGTR) technique with two auxiliary transistors extends the linear region further compared with MGTR with single auxiliary transistor. Second, resistive source degeneration significantly suppresses the unwanted 2^nd-harmonic feedback effect caused by an inductive source degeneration. A 2.4-GHz differential driver amplifier has been implemented in 0.18μm CMOS for Mobile WiMAX and Korean WiBro applications. It shows that the linear region with OIP3 of ≥+20dBm is extended up to an output power of - 5dBm, while achieving a maximum OIP3 of +28dBm, OP_1dB of +7.8dBm, and a power gain of 9.2dB with dc power consumption of 1.8V and 18.7mA.

Original language	English
Pages	255-258
Number of pages	4
DOIs	https://doi.org/10.1109/ASSCC.2006.357899
Publication status	Published - 2006
Event	2006 IEEE Asian Solid-State Circuits Conference, ASSCC 2006 - Hangzhou, China Duration: 2006 Nov 13 → 2006 Nov 15

Other

Other	2006 IEEE Asian Solid-State Circuits Conference, ASSCC 2006
Country/Territory	China
City	Hangzhou
Period	06/11/13 → 06/11/15

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials

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10.1109/ASSCC.2006.357899

Cite this

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abstract = "A CMOS driver amplifier employs two design techniques to improve its linearity in wide output power level. First, multiple-gated transistor (MGTR) technique with two auxiliary transistors extends the linear region further compared with MGTR with single auxiliary transistor. Second, resistive source degeneration significantly suppresses the unwanted 2nd-harmonic feedback effect caused by an inductive source degeneration. A 2.4-GHz differential driver amplifier has been implemented in 0.18μm CMOS for Mobile WiMAX and Korean WiBro applications. It shows that the linear region with OIP3 of ≥+20dBm is extended up to an output power of - 5dBm, while achieving a maximum OIP3 of +28dBm, OP1dB of +7.8dBm, and a power gain of 9.2dB with dc power consumption of 1.8V and 18.7mA.",

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AU - Shin, Hyunchol

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A 2.4-GHz CMOS driver amplifier based on multiple-gated transistor and resistive source degeneration for mobile WiMAX

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