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A 2.24 mW 74 dBΩ-Gain, dc to 600 MHz-BW differential baseband amplifier for 60 GHz wireless applications

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3 Author(s)
Horng-Yuan Shih ; Dept. of Electr. Eng., Tamkang Univ., Taipei, Taiwan ; Chun-Fan Chen ; Sheng-Kai Lin

A low power, wideband and high linearity current-mode based differential baseband amplifier with a bandwidth from dc to 600 MHz applied for 60 GHz zero-IF RF receiver is presented. The wideband differential baseband amplifier is realized in a 90 nm CMOS process. A series-series feedback technique and a Q-enhanced active inductor are adopted in the current-mode baseband amplifier for achieving wideband and high linearity under a small current consumption. The measured maximum BW of 600 MHz, gain of 74 dBΩ and OIP3 of +12.5 dBV are realized with power consumption of only 2.24 mW under a supply voltage of 1.4 V. The measured performance shows the baseband amplifier fulfills the requirements for 60 GHz zero-IF RF transceivers.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:23 ,  Issue: 3 )