Cheap 0.36 dB broadband multipath LNA

17 January 2014

A two-path low-noise amplifier (LNA) designed for the planned MeerKAT radio telescope is presented. The LNA has a noise figure (NF) of less than 0.36 dB and input return loss of less than 12 dB from 0.7 to 1.8 GHz. It consumes 100 mW of power and costs about $10 to manufacture.