DocumentCode
1834585
Title
A 130M to 1GHz digitally tunable RF LC-tracking filter for CMOS RF receivers
Author
Kanazawa, Yusuke ; Fujimoto, Yoshihisa ; Iizuka, Kunihiko
Author_Institution
Electron. Components & Device Dev. Group, Sharp Corp., Tenri
fYear
2008
fDate
3-5 Nov. 2008
Firstpage
469
Lastpage
472
Abstract
A widely tunable RF LC-tracking filter is developed for tackling the odd harmonic mixing problem in wideband CMOS RF receivers. The filter is composed of two cascaded RLC tanks, where proposed programmable transconductor stages with built-in LPF are used. IIP3 of 127.7 dBmuV and input-referred noise of 20.1 dBmuV over signal band of 5.6 MHz are confirmed by measurements. The chip, fabricated in 0.18 mum CMOS process, occupies 2.8 mm2 and draws 34-120mA from a 1.8V supply.
Keywords
CMOS integrated circuits; radio receivers; radiofrequency filters; tracking filters; current 34 mA to 120 mA; frequency 5.6 MHz; input-referred noise; odd harmonic mixing; programmable transconductor; tunable RF LC-tracking filter; voltage 1.8 V; wideband CMOS RF receivers; Active filters; Band pass filters; Digital filters; MIM capacitors; Power harmonic filters; Radio frequency; Receivers; Resistors; Transconductors; Tuning;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference, 2008. A-SSCC '08. IEEE Asian
Conference_Location
Fukuoka
Print_ISBN
978-1-4244-2604-1
Electronic_ISBN
978-1-4244-2605-8
Type
conf
DOI
10.1109/ASSCC.2008.4708829
Filename
4708829
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