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- W2912863869 abstract "In this paper, we present a low power variable gain LNA for 5G communication at 38 GHz in 90 nm CMOS process. Compared with traditional current-steering amplifier, proposed VGA is a three-stage current-steering amplifier and uses PMOS current-steering device to replace NMOS device. Using PMOS current-steering device can make the input and output impedance stable under gain switching. In addition, linearity isn't limited on current-steering device. Furthermore, we use the $g_{m}$ -boost technique to improve gain and cancel out parasitic capacitance. The measured peak gain is 18.89 dB at 36.5 GHz and 3-dB bandwidth is $pmb{34. 7sim 39.2} mathbf{GHz}$ . Under different gain states, the peak gain is 18.89, 16.54 and 8.4, respectively at 36.5 GHz. The measured IP1dB is −20/-15/-7 dBm under different gain states. The measured lowest N.F. is 6.74 dB at 39 GHz at high gain mode. Total DC power consumption is only 15.62 mW for 2 V supplied voltage. To our best knowledge, this VGLNA has lowest DC power and compact area at Ka-Band." @default.
- W2912863869 created "2019-02-21" @default.
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- W2912863869 date "2018-11-01" @default.
- W2912863869 modified "2023-09-23" @default.
- W2912863869 title "A 38 GHz Low Power Variable Gain LNA Using PMOS Current-Steering Device and G<inf>m</inf>-Boost Technique" @default.
- W2912863869 doi "https://doi.org/10.23919/apmc.2018.8617525" @default.
- W2912863869 hasPublicationYear "2018" @default.
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