Title :
Dual-loop cross-coupled feedback amplifier for low-IF integrated receiver architecture
Author :
Adiseno ; Ismail, M. ; Olsson, H.K.
Author_Institution :
Radio Electron. Lab./ELE, R. Inst. of Technol., Stockholm, Sweden
Abstract :
This paper presents a combined LNA and mixer suitable for low-IF architecture. This combination gives an improved linearity without consuming high bias-current. Simulations show an improvement in IIP3 by a factor of 3-7.4 dB, depending on the frequency, at a power consumption and a noise figure equivalent to that of the traditional configuration. The circuit presented here is a wideband circuit, which might be suitable for area-efficient multi-band receivers
Keywords :
feedback amplifiers; radio receivers; IIP3; LNA; area efficiency; dual-loop cross-coupled feedback amplifier; linearity; low-IF integrated receiver architecture; mixer; multi-band receiver; noise figure; power consumption; wideband circuit; Circuit simulation; Equations; Feedback amplifiers; Filters; Linearity; Noise figure; Noise measurement; Radio frequency; Receivers; Voltage;
Conference_Titel :
Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International Symposium on
Conference_Location :
Sydney, NSW
Print_ISBN :
0-7803-6685-9
DOI :
10.1109/ISCAS.2001.922275
