Design of a reconfigurable dual-band mixer for IMT-A and UWB systems

Author

Li, Tao ; Huang, Fengyi ; Li, Jia ; Tang, Xusheng

Author_Institution

Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China

Volume

2

fYear

2010

fDate

20-23 Sept. 2010

Firstpage

1

Lastpage

4

Abstract

This paper presents the design and analysis of a reconfigurable dual-band down-conversion mixer for IMT-Advanced (3.4~3.6 GHz) and UWB (4.2~4.8 GHz) applications. The proposed mixer is based on folded double-balanced Gilbert cell which is well-known for its low voltage, simplicity and well-balanced performances. The mixer adopts capacitive cross-coupling technique for input matching and performance improvement. Switched capacitors and resistors are added to shift the working bands. Designed in SMIC 0.13-μm process, the simulation results show flat conversion gains of 9.65 to 9.75 dB and 9.75 to 9.90 dB, single-sideband noise figures of 12.2 dB and 12.8 dB for IMT-Advanced and UWB applications, respectively. The input third-order intercept points are about 7.3 dBm for both of the frequency bands. The mixer core dissipates 4.8 mW under 1.2 V supply, and the total area of the layout is 0.76×0.65 mm².

Keywords

mixers (circuits); switched capacitor networks; ultra wideband communication; IMT-A; SMIC; UWB system; cross coupling technique; frequency 3.4 GHz to 4.8 GHz; power 4.8 mW; reconfigurable dual band down conversion mixer; reconfigurable dual band mixer; switched capacitor; switched resistor; voltage 1.2 V; 1f noise; Dual band; Impedance matching; Mixers; Noise figure; Switches; Topology;

fLanguage

English

Publisher

ieee

Conference_Titel

Ultra-Wideband (ICUWB), 2010 IEEE International Conference on

Conference_Location

Nanjing

Print_ISBN

978-1-4244-5305-4

Electronic_ISBN

978-1-4244-5306-1

Type

conf

DOI

10.1109/ICUWB.2010.5614772

Filename

5614772