Title :
A 1.2 V, 0.87–3.7 GHz Wideband Low-Noise Mixer Using a Current Mirror for Multiband Application
Author :
Na, DaeHoon ; Kim, Tae Wook
Author_Institution :
Sch. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea
Abstract :
A low-noise, ultra-wideband (UWB) mixer using a current mirror is proposed for multiband applications. The proposed mixer combines the advantages of both a passive mixer and an active mixer such as a low noise figure, low supply voltage operation, and high gain as well as wideband operation by switching the mirroring node of the current mirror. Moreover, the characteristic of wideband operation of the current mirror allows UWB operation. The proposed mixer operates from 870 MHz to 3.7 GHz. The fully integrated UWB mixer is fabricated in 0.13 μm CMOS technology with IIP3 of -13 ~ - 10 dBm, gain of 13.5 ~ 14 dB, and noise figure of 2.9 ~ 6.5 dB. It consumes 16.8 mW of power with a supply voltage of 1.2 V in the band from 870 MHz to 3.7 GHz.
Keywords :
CMOS analogue integrated circuits; current mirrors; low noise amplifiers; mixers (circuits); CMOS technology; UWB mixer; active mixer; current mirror; frequency 0.87 GHz to 3.7 GHz; gain 13.5 dB to 14 dB; multiband application; noise figure 2.9 dB to 6.5 dB; passive mixer; power 16.8 mW; size 0.13 micron; voltage 1.2 V; wideband low-noise mixer; CMOS integrated circuits; Gain; Mirrors; Mixers; Noise; Noise measurement; Transistors; CMOS mixer; current mirror;
Journal_Title :
Microwave and Wireless Components Letters, IEEE
DOI :
10.1109/LMWC.2011.2182186
