A Fully Integrated Low Power Transmitter in an 802.11bTransceiver System

Xia Lingli; Li Weinan; Zheng Yongzheng; Huang Yumei; Hong Zhiliang

J. Semicond. > 2008, Volume 29 > Issue 9 > 1753-1757

PAPERS

A Fully Integrated Low Power Transmitter in an 802.11bTransceiver System

Xia Lingli, Li Weinan, Zheng Yongzheng, Huang Yumei and Hong Zhiliang

+ Author Affiliations

Abstract: A fully integrated low power transmitter for an IEEE 802.11b transceiver system is implemented in SMIC 0.18μm technology.The direct-conversion transmitter includes two Chebyshev I low pass filters,two PGAs,a SSB mixer,and a PA driver.The transmitter provides a gain control of 32dB in 3dB steps.The maximum output power is -3.4dBm and the EVM is 6.8%.The power consumption of the transmitter is only 57.6mW with a 1.8V power supply.The chip area of the transmitter is 1.6mm×1.6mm.

Key words: 802.11b, direct-conversion, class A & C amplifier

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Received: 18 August 2015 Revised: 15 May 2008 Online: Published: 01 September 2008

A fully integrated low power transmitter for an IEEE 802.11b transceiver system is implemented in SMIC 0.18μm technology.The direct-conversion transmitter includes two Chebyshev I low pass filters,two PGAs,a SSB mixer,and a PA driver.The transmitter provides a gain control of 32dB in 3dB steps.The maximum output power is -3.4dBm and the EVM is 6.8%.The power consumption of the transmitter is only 57.6mW with a 1.8V power supply.The chip area of the transmitter is 1.6mm×1.6mm.

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