NDLI: Low-power switched transconductance mixer and LNA design for Wi-Fi and WiMAX applications in 65 nm CMOS

Content Provider	IET Digital Library
Author	Bhatt, Darshak Mukherjee, Jayanta Redouté, Jean Michel
Abstract	This study proposes a wide-band low-power low-noise amplifier (LNA) and switched transconductance (SwGm) mixer. The proposed mixer is realised with a fully differential complementary metal oxide semiconductor (CMOS) SwGm configuration. It provides a high bandwidth with a low noise figure (NF) and consumes a low amount of power. Moreover, an ultra-wideband LNA is designed by using a split-load inductive technique. The combination of the LNA and the mixer has provided competitive results in terms of power, bandwidth, NF, and gain. The LNA + mixer was designed and fabricated in the 65 nm radio frequency-CMOS technology. The proposed LNA achieves 2.5 ± 0.1 dB of NF and 17 ± 1.5 dB of gain over the band of 1–10 GHz and consumes 4.8 mW of power. The proposed SwGm mixer shows a maximum conversion gain (CG) of 10 dB, a minimum NF of 10 dB, and more than −8.5 dBm of third-order input intercept point (IIP3) over the band of 10 GHz. The implemented LNA + mixer achieves 19 dB of CG, 5 dB of NF, and −6 dBm of IIP3. The on-chip LNA and mixer consume only 1.65 mW and 530 μW, respectively, from a 1.2 V supply voltage.
Starting Page	1736
Ending Page	1744
Page Count	9
ISSN	17518725
Volume Number	12
e-ISSN	17518733
Issue Number	Issue 10, Aug (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/12/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2017.0798
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2018-04-17
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Amplifiers CMOS CMOS Integrated Circuit Demodulator Discriminators And Mixers Frequency 1 GHz to 10 GHz Fully Differential Complementary Metal Oxide Semiconductor LNA Design Low Noise Amplifier Low-power Switched Transconductance Mixer Mixers (Circuit) Modulator Noise Figure 10 DB Power 4.8 MW Size 65 Nm Split-load Inductive Technique Voltage 1.2 V Wi-Fi Widewide-band Low-power Low-noise Amplifier WiMax
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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