A high-isolation linear folded mixer for ISM band in UMC 180NM CMOS technology

MCMRR (Mixer common mode rejection ratio); Oscillators (electronic); Common mode rejection ratio; Current mirrors; Feed through; Folded mixers; Folded structures; Inter-modulation products; Local oscillators; Radio frequencies; CMOS integrated circuits

Abstract :

[en] This paper presents an integrated radio frequency (RF) downconversion folded mixer that operates in the 2.4 GHz industrial, scientific, and medical (ISM) band by using UMC 180 nm RF CMOS. It is implemented by using a double-balanced transconductance switch (GmSw) configuration. The proposed mixer converts the incoming signal to a small signal RF current followed by a PMOS current mirror structure. The circuit can operate with a power supply of less than 1.8 V. A superior isolation is achieved by incorporating a novel folded structure with a CMOS local oscillator (LO) stage. The proposed folded mixer achieves 7 dB of conversion gain and 8.5 dBm of the third order input intermodulation product. The highest measured isolation between the LO-IF, RF-IF, and LO-RF ports is 50, 45, and 65 dB, respectively. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:2461–2466, 2016. © 2016 Wiley Periodicals, Inc.

Disciplines :

Electrical & electronics engineering

Author, co-author :

Bhatt, D.; IITB-Monash Research Academy, IIT Bombay, India

Mukherjee, J.; Department of Electrical Engineering, IIT Bombay, India

Redouté, Jean-Michel ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes microélectroniques intégrés

Language :

English

Title :

A high-isolation linear folded mixer for ISM band in UMC 180NM CMOS technology

Publication date :

2016

Journal title :

Microwave and Optical Technology Letters

ISSN :

0895-2477

eISSN :

1098-2760

Publisher :

John Wiley and Sons Inc.

Volume :

Issue :

Pages :

2461-2466

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 04 February 2019

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