Low DC power monolithic cascode LNAs for 1.6 and 5.2 GHz wireless applications

Two monolithic on chip matched cascode low noise amplifiers for 1.6 and 5.2 GHz were fabricated in a standard GaAs MESFET technology. At 1.6 GHz a 50 Ω noise figure of 1.7 dB and an associated gain of 17.5 dB was measured at a DC power dissipation of only 1.6 mW. For the 5.2 GHz LNA a 50 Ω noise figure of 2.0 dB and an associated gain of 12 dB was measured at a DC power consumption of 6 mW.