Design and implementation of a broad-band high gain low noise amplifier for 3G/4G applications

The main aim of the paper is designing and implementing a broadband low-noise-amplifier (LNA) based on compensated matching network techniquein order to get high stable gain, low noise figure, cost smaller sizefor 3G/4G communication system applications at 2 GHz with bandwidth 600MHz. Advanced Design System simulates proposed circuit (ADS).The implementation was done class A bias transistor BFU 730F lower Noise Figure (NFmin) 0.62 dB. Collectorcurrent measured be 5.8mA base current 19.1μA supply voltage 2.25V. new design dB 17.8dB amplifier gain. microstrip lines (MSL) techniques were used improve LNA’s stability achieve good result. LNA board implemented assembled FR4 botton layer material. results are virtually non existence equivalent between simulated results.