Title :
A 60-GHz broadband Gilbert-cell down conversion mixer in a 65-nm CMOS
Author :
Jun Shi ; Lianming Li ; Tie Jun Cui
Author_Institution :
Sch. of Inf. Sci. & Eng., Southeast Univ., Nanjing, China
Abstract :
This paper presents a 60 GHz broadband Gilbert-cell down conversion mixer in a 65 nm CMOS. To enhance the mixer gain, bandwidth, and noise performance, an inter-stage inductor is introduced between the switching pair and the transconductance stage. Driven by a 48 GHz 0-dBm LO, the mixer achieves a conversion gain of 14 dB. The measured IF 3dB bandwidth is about 4GHz and the input 1dB compression point is about -10dBm. Besides, simulation results show that the noise figure is lower than 12 dB and the input referred IP3 point is about 2.5 dBm. The mixer draws 11mA (Gilbert-cell) and 21mA (IF buffer) from a 1.2V supply.
Keywords :
CMOS analogue integrated circuits; field effect MIMIC; millimetre wave mixers; CMOS; bandwidth; broadband Gilbert-cell down conversion mixer; compression point; current 11 mA; current 21 mA; frequency 48 GHz; frequency 60 GHz; gain 14 dB; interstage inductor; mixer gain enhancement; noise figure; noise performance; size 65 nm; switching pair; transconductance stage; voltage 1.2 V; CMOS integrated circuits; Mixers; Q measurement; Transistors; 60GHz; Gilbert-cell mixer; inter-stage inductor;
Conference_Titel :
Electron Devices and Solid-State Circuits (EDSSC), 2013 IEEE International Conference of
Conference_Location :
Hong Kong
DOI :
10.1109/EDSSC.2013.6628077
