DocumentCode
3277939
Title
A current bleeding mixer based on Gilbert-cell featuring LO amplification
Author
Xuan, Kai ; Tsang, Kim Fung ; Lee, Shu Chuen ; Lee, Wah Ching
Author_Institution
Dept. of Electron. Eng., City Univ. of Hong Kong, Hong Kong, China
fYear
2009
fDate
9-11 Sept. 2009
Firstpage
137
Lastpage
140
Abstract
A high gain and low noise mixer based on current bleeding topology is implemented. The high performance is attributed to the effect of current injection and local oscillator (LO) amplification. The conversion gain of the mixer is 17.5 dB at -14 dBm LO power and the noise figure is 10.5 dB. The proposed topology dramatically relieves the typically high power requirement of LO. The mixer is implemented by a 0.18-¿m CMOS process. The operating frequency is 2.4 GHz with 10 MHz intermediate frequency. The circuit drains 12 mA current from a 1.5 V supply voltage.
Keywords
CMOS integrated circuits; mixers (circuits); oscillators; CMOS; Gilbert-cell; current 12 mA; current bleeding mixer; current injection; frequency 10 MHz; frequency 2.4 GHz; gain 17.5 dB; local oscillator amplification; noise figure; noise figure 10.5 dB; size 0.18 mum; voltage 1.5 V; Hemorrhaging;
fLanguage
English
Publisher
ieee
Conference_Titel
SOC Conference, 2009. SOCC 2009. IEEE International
Conference_Location
Belfast
Print_ISBN
978-1-4244-4940-8
Electronic_ISBN
978-1-4244-4941-5
Type
conf
DOI
10.1109/SOCCON.2009.5398076
Filename
5398076
Link To Document