A weak-inversion low-power active mixer for 2.4 GHz ISM band applications

A weak-inversion low-power active mixer for 2.4 GHz ISM band applications

This work describes a fully integrated active mixer designed in 0.18µm CMOS technology for 2.4 GHz Industrial, Scientific and Medical (ISM) band applications. The mixer uses a source driven local oscillator (LO) to integrate the RF-LO buffering with the active mixer, and weakly inverted input MOSFET...

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Bibliographic Details
Main Authors: Boon, Chirn Chye, Do, Manh Anh, Yeo, Kiat Seng, Cabuk, Alper, Do, Aaron V.
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2010
Subjects:
DRNTU::Engineering::Electrical and electronic engineering::Antennas, wave guides, microwaves, radar, radio
Online Access:https://hdl.handle.net/10356/90519
http://hdl.handle.net/10220/6233
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Institution: Nanyang Technological University
Language: English
Description
Summary:This work describes a fully integrated active mixer designed in 0.18µm CMOS technology for 2.4 GHz Industrial, Scientific and Medical (ISM) band applications. The mixer uses a source driven local oscillator (LO) to integrate the RF-LO buffering with the active mixer, and weakly inverted input MOSFETs to improve the gain and noise performance. The double-balanced quadrature mixer has a measured conversion gain of 32 dB with a double sideband (DSB) noise figure (NF) of 8.5 dB at 30 MHz intermediate frequency (IF) while consuming only 0.56 mA of current from a 1.8 V supply.

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