Title :
A new wideband fully-differential LNA with Matched Input And Output Impedances
Author :
Godara, Balwant ; Lakys, Yahya ; Fabre, Alain
Author_Institution :
Inst. Super. d´´Electron. de Paris (ISEP), Paris, France
Abstract :
The aim of this paper is to introduce a new differential LNA, based on current conveyors. This new LNA offers the following notable advantages over existent topologies: total absence of passive elements and thus it is now the smallest area differential LNA; wideband performances, with stable frequency responses from 0 to 3GHz and wideband matched input and output impedances; easy gain control over wide ranges (0 to 20dB). Comparisons with other topologies prove that the new implementation greatly advances the state of the art. This amplifier is ideally suited to today´s multi-band receivers.
Keywords :
current conveyors; low noise amplifiers; current conveyors; gain control; input impedance; low noise amplifiers; multiband receivers; output impedance; passive element; stable frequency response; wideband fully-differential LNA; Broadband amplifiers; Circuit topology; Differential amplifiers; Gain control; Impedance matching; Low-noise amplifiers; Radio frequency; Radiofrequency amplifiers; Voltage control; Wideband; Fully dillerential Low-noise amplifiers; Gain control; Impedance matching; Wideband RF circuits;
Conference_Titel :
Optimization of Electrical and Electronic Equipment (OPTIM), 2010 12th International Conference on
Conference_Location :
Basov
Print_ISBN :
978-1-4244-7019-8
DOI :
10.1109/OPTIM.2010.5510572
