Design of 1～4 GHz Broadband Low Noise Amplifier
Kai Yang · 2011
Utilizing negative feedback network and lossy matching network,a broadband low noise amplifier(LNA) operating at 1～4 GHz with good input and output VSWR and low noise figure was introduced.Based on E-PHEMT ATF-54143,the simulation result shown that the gain of the LNA is 21.30±0.35 dB,the noise figure in the design is less than 1.2 dB,the input and output return loss is better than-16.3 dB,and output power 1 dB compression point is larger than 13.2 dBm.And the test results match the design very well.